{"id":4135,"date":"2025-08-20T08:34:00","date_gmt":"2025-08-20T00:34:00","guid":{"rendered":"https:\/\/www.topfastpcb.com\/?p=4135"},"modified":"2025-08-19T15:47:31","modified_gmt":"2025-08-19T07:47:31","slug":"pcb-hasl-and-lead-free-hasl-processes","status":"publish","type":"post","link":"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/","title":{"rendered":"HASL-processer f\u00f6r PCB och blyfri HASL"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_74 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Inneh\u00e5llsf\u00f6rteckning<\/p>\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#HASL_process\" >HASL-process<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#11_Differences_between_HASL_and_lead-free_HASL\" >1.1 Skillnader mellan HASL och blyfri HASL<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#12_Core_HASL_Process_Flow\" >1.2 HASL-processens k\u00e4rnfl\u00f6de<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#121_Pre-Treatment_Stage\" >1.2.1 F\u00f6rbehandlingssteg<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#122_Flux_Application\" >1.2.2 Flux-till\u00e4mpning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#123_Hot_Air_Leveling_Key_Steps\" >1.2.3 Viktiga steg f\u00f6r varmluftsutj\u00e4mning<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#124_Quality_Inspection\" >1.2.4 Kvalitetsinspektion<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#13_Process_Advantages_and_Limitations\" >1.3 Processens f\u00f6rdelar och begr\u00e4nsningar<\/a><ul class='ez-toc-list-level-4' ><li class='ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#Advantages\" >F\u00f6rdelar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#Limitations\" >Begr\u00e4nsningar<\/a><\/li><\/ul><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#ENIG_Electroless_Nickel_Immersion_Gold_Process\" >ENIG (Electroless Nickel Immersion Gold) process<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#21_Process_Principles\" >2.1 Processprinciper<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#22_Advantages\" >2.2 F\u00f6rdelar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#23_Challenges\" >2.3 Utmaningar<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-15\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#OSP_Organic_Solderability_Preservative\" >OSP (organiskt konserveringsmedel f\u00f6r l\u00f6dbarhet)<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-16\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#31_Process_Principles\" >3.1 Processprinciper<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-17\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#32_Advantages\" >3.2 F\u00f6rdelar<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-18\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#33_Limitations\" >3.3 Begr\u00e4nsningar<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-19\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#Process_Selection_Guide\" >Guide f\u00f6r val av process<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-20\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#41_Comparison\" >4.1 J\u00e4mf\u00f6relse<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-21\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#42_Recommendations\" >4.2 Rekommendationer<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-22\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#43_Topfast_Capabilities\" >4.3 Topfast-kapacitet<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"HASL_process\"><\/span>HASL-process<span class=\"ez-toc-section-end\"><\/span><\/h2><p>HASL (Hot Air Solder Leveling) \u00e4r en av de mest klassiska och kostnadseffektiva ytbehandlingsprocesserna inom m\u00f6nsterkortstillverkning och spelar en viktig roll inom elektronikindustrin. Denna process inneb\u00e4r att man t\u00e4cker kopparytan med ett tenn-blylegeringsskikt f\u00f6r att ge tillf\u00f6rlitlig l\u00f6dningsprestanda och oxidationsskydd f\u00f6r m\u00f6nsterkort.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-1.jpg\" alt=\"HASL-process\" class=\"wp-image-4137\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-1.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-1-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-1-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"11_Differences_between_HASL_and_lead-free_HASL\"><\/span>1.1 Skillnader mellan HASL och blyfri HASL<span class=\"ez-toc-section-end\"><\/span><\/h3><p>HASL (Hot Air Solder Leveling) \u00e4r en av de mest klassiska och kostnadseffektiva ytbehandlingsteknikerna inom <a href=\"https:\/\/www.topfastpcb.com\/sv\/\">Tillverkning av kretskort<\/a>. Denna process bel\u00e4gger kopparytor med ett tenn-blylegeringsskikt f\u00f6r att ge tillf\u00f6rlitlig l\u00f6dbarhet och oxidationsbest\u00e4ndighet. Med \u00f6kande milj\u00f6krav har blyfri HASL blivit industristandard.<\/p><p><strong>Skillnader i materialsammans\u00e4ttning<\/strong>:<\/p><ul class=\"wp-block-list\"><li>Traditionell HASL anv\u00e4nder legeringen Sn63\/Pb37 (63 % tenn + 37 % bly), sm\u00e4ltpunkt: 183 \u00b0C.<\/li>\n\n<li>Blyfri HASL anv\u00e4nds fr\u00e4mst:<\/li>\n\n<li>SAC305 (96,5 % tenn + 3 % silver + 0,5 % koppar), sm\u00e4ltpunkt: 217\u2013220 \u00b0C<\/li>\n\n<li>SnCu0,7 (99,3 % tenn + 0,7 % koppar), sm\u00e4ltpunkt: 227 \u00b0C<\/li>\n\n<li>Ren tenn (Sn100), sm\u00e4ltpunkt: 232 \u00b0C<\/li><\/ul><p><strong>J\u00e4mf\u00f6relse av processegenskaper<\/strong>:<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Fastighet<\/th><th>Blyad HASL<\/th><th>Blyfri HASL<\/th><\/tr><\/thead><tbody><tr><td>Sm\u00e4ltpunkt<\/td><td>183 \u00b0C<\/td><td>217\u2013232 \u00b0C<\/td><\/tr><tr><td>L\u00f6dningstemperatur<\/td><td>200\u2013210 \u00b0C<\/td><td>240\u2013255 \u00b0C<\/td><\/tr><tr><td>Ytfinish<\/td><td>Ljus<\/td><td>Relativt tr\u00e5kig<\/td><\/tr><tr><td>Mekanisk styrka<\/td><td>God duktilitet (h\u00f6g slagt\u00e5lighet)<\/td><td>H\u00e5rd men sk\u00f6r<\/td><\/tr><tr><td>V\u00e4tbarhet<\/td><td>Utm\u00e4rkt (kontaktvinkel &lt;30\u00b0)<\/td><td>Bra (kontaktvinkel 35\u201345\u00b0)<\/td><\/tr><tr><td>Efterlevnad av milj\u00f6lagstiftningen<\/td><td>Inneh\u00e5ller bly (37%)<\/td><td>Blyinneh\u00e5ll: 0,1% (RoHS-kompatibel)<\/td><\/tr><tr><td>Kostnad<\/td><td>L\u00e4gre<\/td><td>15-20% h\u00f6gre<\/td><\/tr><tr><td>Till\u00e4mplighet<\/td><td>Allm\u00e4nt \u00e4ndam\u00e5l<\/td><td>Kr\u00e4ver h\u00f6gre l\u00f6dtemperaturer<\/td><\/tr><\/tbody><\/table><\/figure><p><strong>Praktiska prestandaskillnader<\/strong>:<\/p><ul class=\"wp-block-list\"><li><strong>L\u00f6dbarhet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Blyhaltig HASL ger b\u00e4ttre l\u00f6daktivitet med kortare v\u00e4tningstid (1-2 sek)<\/li>\n\n<li>Blyfri HASL kr\u00e4ver starkare flussmedel och noggrannare temperaturkontroll<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Tillf\u00f6rlitlighet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Blyhaltiga l\u00f6dfogar uppvisar b\u00e4ttre motst\u00e5ndskraft mot termisk utmattning (fler temperaturcykler)<\/li>\n\n<li>Blyfria l\u00f6dfogar bibeh\u00e5ller h\u00f6gre mekanisk h\u00e5llfasthet efter l\u00e5ngvarig \u00e5ldring<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Processf\u00f6nster<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Blyhaltig HASL har ett bredare processf\u00f6nster (\u00b110 \u00b0C)<\/li>\n\n<li>Blyfri HASL kr\u00e4ver str\u00e4ngare temperaturkontroll (\u00b13 \u00b0C)<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Professionellt tips: Topfast optimerar parametrarna f\u00f6r blyfri HASL f\u00f6r att uppn\u00e5 99,5% l\u00f6dutbyte och samtidigt uppfylla IPC-6012 klass 3-standarder.<\/p><\/blockquote><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"12_Core_HASL_Process_Flow\"><\/span>1.2 HASL-processens k\u00e4rnfl\u00f6de<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Som professionell tillverkare av m\u00f6nsterkort anv\u00e4nder Topfast helautomatiska HASL-produktionslinjer med strikta standardiserade processer:<\/p><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"121_Pre-Treatment_Stage\"><\/span>1.2.1 F\u00f6rbehandlingssteg<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Kemisk reng\u00f6ring<\/strong>:<\/li>\n\n<li>Surt reng\u00f6ringsmedel (pH 2-3) avl\u00e4gsnar kopparoxider<\/li>\n\n<li>Temperaturkontroll: 40\u201350 \u00b0C, varaktighet: 2\u20133 minuter<\/li>\n\n<li>Mikroetsning s\u00e4kerst\u00e4ller en ytj\u00e4mnhet p\u00e5 Ra 0,3\u20130,5 \u03bcm.<\/li>\n\n<li><strong>Sk\u00f6ljning<\/strong>:<\/li>\n\n<li>Trefas motstr\u00f6ms sk\u00f6ljning (DI-vattenresistivitet &gt;15M\u03a9\u00b7cm)<\/li>\n\n<li>Torkning med varmluft (60\u201380 \u00b0C)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"122_Flux_Application\"><\/span>1.2.2 Flux-till\u00e4mpning<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li>Till\u00e4mpningsmetoder:<\/li>\n\n<li>Skumning (traditionell): Fluxtjocklek 0,01-0,03 mm<\/li>\n\n<li>Spray (avancerad):Mer enhetlig, 30% mindre fl\u00f6desf\u00f6rbrukning<\/li>\n\n<li>Flux-typer:<\/li>\n\n<li>Reng\u00f6ringsfri kolofoniumbaserad (ROH)<\/li>\n\n<li>Fast inneh\u00e5ll: 8-12%, syrav\u00e4rde: 35-45mgKOH\/g<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"123_Hot_Air_Leveling_Key_Steps\"><\/span>1.2.3 Viktiga steg f\u00f6r varmluftsutj\u00e4mning<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>F\u00f6rv\u00e4rmning<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Blyhaltig: 130\u2013140 \u00b0C<\/li>\n\n<li>Blyfri: 150\u2013160 \u00b0C<\/li>\n\n<li>Varaktighet: 60-90 sekunder<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Doppning av l\u00f6dning<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Temperatur p\u00e5 l\u00f6dgryta:<ul class=\"wp-block-list\"><li>Blyhaltig: 210\u00b15\u00b0C<\/li>\n\n<li>Blyfri: 250\u00b15 \u00b0C<\/li><\/ul><\/li>\n\n<li>Vila-tid: 2-4 sekunder (\u00b10,5 sekunders precision)<\/li>\n\n<li>Neds\u00e4nkningsdjup: 3-5 mm<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Nivellering av varmluft<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Parametrar f\u00f6r luftknivar:<ul class=\"wp-block-list\"><li>Tryck: 0,3-0,5MPa<\/li>\n\n<li>Temperatur: 300\u2013350 \u00b0C<\/li>\n\n<li>Vinkel: 4\u00b0 ned\u00e5tlutning<\/li>\n\n<li>Lufthastighet: 20-30m\/s<\/li><\/ul><\/li>\n\n<li>Bearbetningstid: 1-2 sek<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Kylning<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Forcerad luftkylning (hastighet: 2\u20133 \u00b0C\/sek)<\/li>\n\n<li>Slutlig temperatur &lt;60 \u00b0C<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"124_Quality_Inspection\"><\/span>1.2.4 Kvalitetsinspektion<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li>AOI online (100% t\u00e4ckning):<\/li>\n\n<li>Inspektion av l\u00f6dtjocklek (1\u201340 \u03bcm)<\/li>\n\n<li>Detektering av ytdefekter (l\u00f6dkulor, exponerad koppar etc.)<\/li>\n\n<li>Provtagningstest:<\/li>\n\n<li>L\u00f6dbarhetstest (245 \u00b0C, 3 sekunder)<\/li>\n\n<li>Adhesionstest (tejpmetod)<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Teknologiskt genombrott: Topfasts kv\u00e4veskyddade blyfria HASL-process minskar l\u00f6doxidationen fr\u00e5n 5% till 1,5%, vilket avsev\u00e4rt f\u00f6rb\u00e4ttrar l\u00f6dutbytet.<\/p><\/blockquote><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"13_Process_Advantages_and_Limitations\"><\/span>1.3 Processens f\u00f6rdelar och begr\u00e4nsningar<span class=\"ez-toc-section-end\"><\/span><\/h3><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Advantages\"><\/span>F\u00f6rdelar<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Kostnadseffektivitet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>L\u00e5g investering i utrustning (~1\/3 av ENIG)<\/li>\n\n<li>Betydande materialkostnadsbesparingar (40-60% billigare \u00e4n ENIG)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>L\u00f6dningens tillf\u00f6rlitlighet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>T\u00e5l &gt;3 omsm\u00e4ltningscykler (topp 260 \u00b0C)<\/li>\n\n<li>H\u00f6g dragh\u00e5llfasthet i fogen (blyad: 50-60MPa; blyfri: 55-65MPa)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Bred till\u00e4mpbarhet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>L\u00e4mplig f\u00f6r olika padstorlekar (min. 0,5 mm delning)<\/li>\n\n<li>Kompatibel med genomg\u00e5ende h\u00e5l- och SMT-processer<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Lagringsprestanda<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>12 m\u00e5naders h\u00e5llbarhet (RH &lt;60%)<\/li>\n\n<li>Utm\u00e4rkt oxidationsbest\u00e4ndighet (48-timmars saltspraytest)<\/li><\/ul><h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Limitations\"><\/span>Begr\u00e4nsningar<span class=\"ez-toc-section-end\"><\/span><\/h4><ul class=\"wp-block-list\"><li><strong>Begr\u00e4nsningar f\u00f6r finplantering<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Ej l\u00e4mplig f\u00f6r BGA\/QFN-komponenter med 0,4 mm stigning<\/li>\n\n<li>Risk f\u00f6r \u00f6verbryggning av l\u00f6dningar i konstruktioner med fin pitch<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Planaritetsfr\u00e5gor<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Ytj\u00e4mnhet: 15\u201325 \u03bcm (p\u00e5verkar HDI-montering)<\/li>\n\n<li>Tjockleksvariation upp till 20 \u03bcm mellan stora\/sm\u00e5 dynor<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Termisk stress<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>H\u00f6gtemperaturprocesser (s\u00e4rskilt blyfria) kan p\u00e5verka material med h\u00f6gt Tg<\/li>\n\n<li>H\u00f6gre risk f\u00f6r skevhet f\u00f6r tunna skivor (&lt;0,8 mm)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Milj\u00f6h\u00e4nsyn<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Blyhaltigt HASL ej RoHS-kompatibelt<\/li>\n\n<li>Blyfri HASL f\u00f6rbrukar mer energi (30\u201350 \u00b0C h\u00f6gre temperaturer)<\/li><\/ul><p>Beh\u00f6ver du professionellt HASL-st\u00f6d? <a href=\"https:\/\/www.topfastpcb.com\/sv\/contact\/\">Kontakta Topfasts ingenj\u00f6rer<\/a> f\u00f6r kundanpassade l\u00f6sningar<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-3.jpg\" alt=\"HASL-process\" class=\"wp-image-4139\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-3.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-3-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-3-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"ENIG_Electroless_Nickel_Immersion_Gold_Process\"><\/span>ENIG (Electroless Nickel Immersion Gold) process<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"21_Process_Principles\"><\/span>2.1 Processprinciper<span class=\"ez-toc-section-end\"><\/span><\/h3><p>ENIG bildar ett sammansatt skyddsskikt genom elektrol\u00f6s f\u00f6rnickling och doppguld:<\/p><ul class=\"wp-block-list\"><li>Nickellager: 3\u20136 \u03bcm (7\u20139 % fosfor)<\/li>\n\n<li>Guldskikt: 0,05\u20130,1 \u03bcm<\/li><\/ul><p><strong>Viktiga parametrar<\/strong>:<\/p><ul class=\"wp-block-list\"><li>Nickelbadets temperatur: 85\u201390 \u00b0C<\/li>\n\n<li>Pl\u00e4teringshastighet: 15-20 \u03bcm\/h<\/li>\n\n<li>Guldbadets temperatur: 80\u201385 \u00b0C<\/li>\n\n<li>pH: Nickelbad 4,5-5,0, guldbad 5,5-6,5<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"22_Advantages\"><\/span>2.2 F\u00f6rdelar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Fantastisk planhet<\/strong> (Ra&lt;0,1 \u03bcm):<\/li><\/ul><ul class=\"wp-block-list\"><li>Idealisk f\u00f6r BGA\/CSP med 0,3 mm delning<\/li>\n\n<li>Pad-koplanaritet &lt;5 \u03bcm\/m<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Oxideringsbest\u00e4ndighet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>18 m\u00e5naders h\u00e5llbarhetstid<\/li>\n\n<li>J-STD-003B klass 3-certifierad<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Elektrisk konduktivitet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Guldresistivitet: 2,44 \u03bc\u03a9\u00b7cm<\/li>\n\n<li>Kontaktmotst\u00e5nd &lt;10 m\u03a9<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"23_Challenges\"><\/span>2.3 Utmaningar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Problem med svart padda<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Orsaker: Nickel\u00f6veretsning eller onormalt fosforinneh\u00e5ll<\/li>\n\n<li>L\u00f6sning:Topfasts patenterade passivering minskar andelen svarta ytor till 0,1%.<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Kostnadsfaktorer<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>H\u00f6ga materialkostnader (volatilitet i guldpriset)<\/li>\n\n<li>Komplex process (8-10 steg)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>L\u00f6dfogens h\u00e5llfasthet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Sk\u00f6rt Ni-Au IMC-lager<\/li>\n\n<li>Dragh\u00e5llfasthet ~40-45MPa<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Topfasts ENIG uppn\u00e5r en tjockleksj\u00e4mnhet p\u00e5 \u00b110 %, vilket \u00f6vertr\u00e4ffar branschstandarden p\u00e5 \u00b115 %.<\/p><\/blockquote><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"OSP_Organic_Solderability_Preservative\"><\/span>OSP (organiskt konserveringsmedel f\u00f6r l\u00f6dbarhet) <span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"31_Process_Principles\"><\/span>3.1 Processprinciper<span class=\"ez-toc-section-end\"><\/span><\/h3><p>OSP bildar en 0,2\u20130,5 \u03bcm organisk skyddsfilm p\u00e5 ren koppar, som inneh\u00e5ller:<\/p><ul class=\"wp-block-list\"><li>Bensotriazolf\u00f6reningar<\/li>\n\n<li>Imidazolf\u00f6reningar<\/li>\n\n<li>Karboxylsyror<\/li><\/ul><p><strong>Processfl\u00f6de<\/strong>:<\/p><ol class=\"wp-block-list\"><li>Reng\u00f6ring med syra (5% H2SO4, 2 min)<\/li>\n\n<li>Mikroetsning (Na2S2O8, avl\u00e4gsnar 1\u20132 \u03bcm koppar)<\/li>\n\n<li>OSP-behandling (40\u201350 \u00b0C, 1\u20132 min)<\/li>\n\n<li>Torkning (60\u201380 \u00b0C varmluft)<\/li><\/ol><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"32_Advantages\"><\/span>3.2 F\u00f6rdelar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Kostnadseffektivt<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>60% billigare \u00e4n HASL<\/li>\n\n<li>L\u00e5g investering i utrustning (~1\/5 av ENIG)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Signalintegritet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Stabil dielektricitetskonstant (\u0394Dk &lt;0,02)<\/li>\n\n<li>Idealisk f\u00f6r h\u00f6gfrekvensapplikationer (&gt;10GHz)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Milj\u00f6v\u00e4nlig<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Inga tungmetaller<\/li>\n\n<li>F\u00f6renklad rening av avloppsvatten<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"33_Limitations\"><\/span>3.3 Begr\u00e4nsningar<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>F\u00f6nster f\u00f6r l\u00f6dbarhet<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>M\u00e5ste anv\u00e4ndas inom 24 timmar efter \u00f6ppnandet<\/li>\n\n<li>Endast l\u00e4mplig f\u00f6r 1 omsm\u00e4ltningscykel (utbytet sjunker 30% f\u00f6r andra omsm\u00e4ltningen)<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Sv\u00e5righeter vid inspektion<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Sv\u00e5rt att m\u00e4ta filmtjockleken optiskt<\/li>\n\n<li>Kr\u00e4ver s\u00e4rskild ICT-behandling<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>F\u00f6rvaringsf\u00f6rh\u00e5llanden<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Vakuumf\u00f6rpackning kr\u00e4vs (RH &lt;30%)<\/li>\n\n<li>F\u00f6rvaringstemperatur: 15\u201330 \u00b0C<\/li><\/ul><blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>Topfast&amp;#8217s f\u00f6rb\u00e4ttrade OSP f\u00f6rl\u00e4nger h\u00e5llbarheten fr\u00e5n 3 till 6 m\u00e5nader och klarar 2 omfl\u00f6descykler.<\/p><\/blockquote><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"600\" height=\"402\" src=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-2.jpg\" alt=\"HASL-process\" class=\"wp-image-4138\" srcset=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-2.jpg 600w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-2-300x201.jpg 300w, https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process-2-18x12.jpg 18w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/figure><\/div><h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Process_Selection_Guide\"><\/span>Guide f\u00f6r val av process<span class=\"ez-toc-section-end\"><\/span><\/h2><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"41_Comparison\"><\/span>4.1 J\u00e4mf\u00f6relse<span class=\"ez-toc-section-end\"><\/span><\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Parameter<\/th><th>HASL<\/th><th>ENIG<\/th><th>OSP<\/th><\/tr><\/thead><tbody><tr><td>Kostnad<\/td><td>$<\/td><td>$$$<\/td><td>$<\/td><\/tr><tr><td>Planhet<\/td><td>\u25b3 (15\u201325 \u03bcm)<\/td><td>\u25ce (&lt;5\u03bcm)<\/td><td>\u25cb (&lt;10 \u03bcm)<\/td><\/tr><tr><td>L\u00f6dbarhet<\/td><td>\u25ce (3 \u00e5terfl\u00f6den)<\/td><td>\u25cb (5 \u00e5terfl\u00f6den)<\/td><td>\u25b3 (1-2 \u00e5terfl\u00f6den)<\/td><\/tr><tr><td>H\u00e5llbarhet<\/td><td>12 m\u00e5nader<\/td><td>18 m\u00e5nader<\/td><td>6 m\u00e5nader<\/td><\/tr><tr><td>Min. H\u00f6jd<\/td><td>0,5 mm<\/td><td>0,3 mm<\/td><td>0,4 mm<\/td><\/tr><tr><td>Milj\u00f6v\u00e4nlig<\/td><td>Blyfri OK<\/td><td>Utm\u00e4rkt<\/td><td>Utm\u00e4rkt<\/td><\/tr><tr><td>Till\u00e4mpningar<\/td><td>Konsumentelektronik<\/td><td>IC-kretsar med h\u00f6g densitet<\/td><td>Snabbsvarv<\/td><\/tr><\/tbody><\/table><\/figure><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"42_Recommendations\"><\/span>4.2 Rekommendationer<span class=\"ez-toc-section-end\"><\/span><\/h3><ul class=\"wp-block-list\"><li><strong>Konsumentelektronik<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>Blyfri HASL (b\u00e4sta kostnads-\/prestanda)<\/li>\n\n<li>Kontrollera l\u00f6dpastavolymen f\u00f6r komponenter med fin pitch<\/li><\/ul><ul class=\"wp-block-list\"><li><strong><a href=\"https:\/\/www.topfastpcb.com\/sv\/products\/hdi-pcb\/\">HDI-styrelser<\/a><\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>ENIG (\u00f6verl\u00e4gsen planhet)<\/li>\n\n<li>Strikt kvalitetskontroll av nickel<\/li><\/ul><ul class=\"wp-block-list\"><li><strong><a href=\"https:\/\/www.topfastpcb.com\/sv\/products\/high-speed-pcb\/\">Kretskort f\u00f6r h\u00f6ga hastigheter<\/a><\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>OSP\/ENIG (b\u00e4ttre signalintegritet)<\/li>\n\n<li>Undvik HASL&#8217;s oj\u00e4mna yta<\/li><\/ul><ul class=\"wp-block-list\"><li><strong>Prototyptillverkning<\/strong>:<\/li><\/ul><ul class=\"wp-block-list\"><li>OSP (snabbast m\u00f6jliga leveranstid)<\/li>\n\n<li>S\u00e4kerst\u00e4lla montering i r\u00e4tt tid<\/li><\/ul><h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"43_Topfast_Capabilities\"><\/span>4.3 Topfast-kapacitet<span class=\"ez-toc-section-end\"><\/span><\/h3><p>Kompletta l\u00f6sningar f\u00f6r ytfinish:<\/p><ul class=\"wp-block-list\"><li>20 automatiserade HASL-linjer (500 000 m\u00b2\/m\u00e5nad)<\/li>\n\n<li>10 ENIG-linjer (\u00b18 % tjockleksj\u00e4mnhet)<\/li>\n\n<li>5 OSP-linjer (nanof\u00f6rst\u00e4rkta tillg\u00e4ngliga)<\/li>\n\n<li>100% inline-inspektion (AOI+SPI)<\/li><\/ul><p><a href=\"https:\/\/www.topfastpcb.com\/sv\/contact\/\">Ladda ner PCB Surface Finish Selection Guide<\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>HASL varmluftsutj\u00e4mningsprocess, inklusive legeringssammans\u00e4ttning, processfl\u00f6de och prestandaskillnader mellan blyhaltigt och blyfritt HASL. En detaljerad analys av egenskaper och till\u00e4mpningsscenarier f\u00f6r ENIG-elektropl\u00e4tering och OSP-antioxidationsprocesser. Som en professionell PCB-tillverkare har Topfast omfattande ytbehandlingsprocesser och ett robust kvalitetskontrollsystem, vilket g\u00f6r det m\u00f6jligt f\u00f6r oss att tillhandah\u00e5lla optimala ytbehandlingsl\u00f6sningar f\u00f6r olika elektroniska produkter.<\/p>","protected":false},"author":1,"featured_media":4136,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[112],"tags":[351,260],"class_list":["post-4135","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-knowledge","tag-hasl-processes","tag-pcb-manufacturing-process"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>PCB HASL and Lead-Free HASL Processes - Topfastpcb<\/title>\n<meta name=\"description\" content=\"Topfast provides professional and reliable PCB manufacturing services. PCB surface treatment processes: detailed comparison of material differences, process flows, and performance characteristics between HASL and lead-free HASL; professional analysis of the applicable scenarios for ENIG gold plating and OSP processes.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PCB HASL and Lead-Free HASL Processes - Topfastpcb\" \/>\n<meta property=\"og:description\" content=\"Topfast provides professional and reliable PCB manufacturing services. PCB surface treatment processes: detailed comparison of material differences, process flows, and performance characteristics between HASL and lead-free HASL; professional analysis of the applicable scenarios for ENIG gold plating and OSP processes.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\" \/>\n<meta property=\"og:site_name\" content=\"Topfastpcb\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-20T00:34:00+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"402\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Skriven av\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6258\u666e\u6cd5\u65af\u7279\" \/>\n\t<meta name=\"twitter:label2\" content=\"Ber\u00e4knad l\u00e4stid\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minuter\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\"},\"author\":{\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\"},\"headline\":\"PCB HASL and Lead-Free HASL Processes\",\"datePublished\":\"2025-08-20T00:34:00+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\"},\"wordCount\":1036,\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg\",\"keywords\":[\"HASL Processes\",\"PCB Manufacturing Process\"],\"articleSection\":[\"Knowledge\"],\"inLanguage\":\"sv-SE\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\",\"url\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\",\"name\":\"PCB HASL and Lead-Free HASL Processes - Topfastpcb\",\"isPartOf\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg\",\"datePublished\":\"2025-08-20T00:34:00+00:00\",\"description\":\"Topfast provides professional and reliable PCB manufacturing services. PCB surface treatment processes: detailed comparison of material differences, process flows, and performance characteristics between HASL and lead-free HASL; professional analysis of the applicable scenarios for ENIG gold plating and OSP processes.\",\"breadcrumb\":{\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#breadcrumb\"},\"inLanguage\":\"sv-SE\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg\",\"width\":600,\"height\":402,\"caption\":\"HASL process\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.topfastpcb.com\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"PCB HASL and Lead-Free HASL Processes\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.topfastpcb.com\/#website\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"name\":\"Topfastpcb\",\"description\":\"Topfast Prime Choice for Global Electronics Manufacturing\",\"publisher\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.topfastpcb.com\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"sv-SE\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.topfastpcb.com\/#organization\",\"name\":\"Topfastpcb\",\"url\":\"https:\/\/www.topfastpcb.com\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"sv-SE\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"contentUrl\":\"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png\",\"width\":144,\"height\":56,\"caption\":\"Topfastpcb\"},\"image\":{\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a\",\"name\":\"\u6258\u666e\u6cd5\u65af\u7279\",\"sameAs\":[\"http:\/\/www.topfastpcb.com\"],\"url\":\"https:\/\/www.topfastpcb.com\/sv\/blog\/author\/admin\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PCB HASL and Lead-Free HASL Processes - Topfastpcb","description":"Topfast provides professional and reliable PCB manufacturing services. PCB surface treatment processes: detailed comparison of material differences, process flows, and performance characteristics between HASL and lead-free HASL; professional analysis of the applicable scenarios for ENIG gold plating and OSP processes.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/","og_locale":"sv_SE","og_type":"article","og_title":"PCB HASL and Lead-Free HASL Processes - Topfastpcb","og_description":"Topfast provides professional and reliable PCB manufacturing services. PCB surface treatment processes: detailed comparison of material differences, process flows, and performance characteristics between HASL and lead-free HASL; professional analysis of the applicable scenarios for ENIG gold plating and OSP processes.","og_url":"https:\/\/www.topfastpcb.com\/sv\/blog\/pcb-hasl-and-lead-free-hasl-processes\/","og_site_name":"Topfastpcb","article_published_time":"2025-08-20T00:34:00+00:00","og_image":[{"width":600,"height":402,"url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg","type":"image\/jpeg"}],"author":"\u6258\u666e\u6cd5\u65af\u7279","twitter_card":"summary_large_image","twitter_misc":{"Skriven av":"\u6258\u666e\u6cd5\u65af\u7279","Ber\u00e4knad l\u00e4stid":"5 minuter"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#article","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/"},"author":{"name":"\u6258\u666e\u6cd5\u65af\u7279","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a"},"headline":"PCB HASL and Lead-Free HASL Processes","datePublished":"2025-08-20T00:34:00+00:00","mainEntityOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/"},"wordCount":1036,"publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg","keywords":["HASL Processes","PCB Manufacturing Process"],"articleSection":["Knowledge"],"inLanguage":"sv-SE"},{"@type":"WebPage","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/","url":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/","name":"PCB HASL and Lead-Free HASL Processes - Topfastpcb","isPartOf":{"@id":"https:\/\/www.topfastpcb.com\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage"},"image":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage"},"thumbnailUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg","datePublished":"2025-08-20T00:34:00+00:00","description":"Topfast provides professional and reliable PCB manufacturing services. PCB surface treatment processes: detailed comparison of material differences, process flows, and performance characteristics between HASL and lead-free HASL; professional analysis of the applicable scenarios for ENIG gold plating and OSP processes.","breadcrumb":{"@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#breadcrumb"},"inLanguage":"sv-SE","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/"]}]},{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#primaryimage","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2025\/08\/HASL-process.jpg","width":600,"height":402,"caption":"HASL process"},{"@type":"BreadcrumbList","@id":"https:\/\/www.topfastpcb.com\/blog\/pcb-hasl-and-lead-free-hasl-processes\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.topfastpcb.com\/"},{"@type":"ListItem","position":2,"name":"PCB HASL and Lead-Free HASL Processes"}]},{"@type":"WebSite","@id":"https:\/\/www.topfastpcb.com\/#website","url":"https:\/\/www.topfastpcb.com\/","name":"Topfastpcb","description":"Topfast Prime Choice for Global Electronics Manufacturing","publisher":{"@id":"https:\/\/www.topfastpcb.com\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.topfastpcb.com\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"sv-SE"},{"@type":"Organization","@id":"https:\/\/www.topfastpcb.com\/#organization","name":"Topfastpcb","url":"https:\/\/www.topfastpcb.com\/","logo":{"@type":"ImageObject","inLanguage":"sv-SE","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/","url":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","contentUrl":"https:\/\/www.topfastpcb.com\/wp-content\/uploads\/2026\/02\/cropped-topfast-logo.png","width":144,"height":56,"caption":"Topfastpcb"},"image":{"@id":"https:\/\/www.topfastpcb.com\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.topfastpcb.com\/#\/schema\/person\/39870874f1c329f3cd3693593dbdce3a","name":"\u6258\u666e\u6cd5\u65af\u7279","sameAs":["http:\/\/www.topfastpcb.com"],"url":"https:\/\/www.topfastpcb.com\/sv\/blog\/author\/admin\/"}]}},"_links":{"self":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts\/4135","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/comments?post=4135"}],"version-history":[{"count":1,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts\/4135\/revisions"}],"predecessor-version":[{"id":4140,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/posts\/4135\/revisions\/4140"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/media\/4136"}],"wp:attachment":[{"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/media?parent=4135"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/categories?post=4135"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.topfastpcb.com\/sv\/wp-json\/wp\/v2\/tags?post=4135"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}