Ceramic PCB

FAQ

  • What certifications do PCB factories have?

    All of our products are IPC rated with ISO 14001; ISO 9001; CE; ROHS certificates, etc. Our products are widely used in communication, medical equipment, industrial control, power supply, consumer electronics and aerospace, automotive industry and other fields.

  • How many layers is a Ceramic PCB？

    According to the different needs, different processes, our factory can do ceramic circuit boards, can do the traditional process layer 2-8 layers, using low temperature co-fired ceramic (LTCC) and high temperature co-fired ceramic (HTCC), can reach 10-20 layers, or even higher. In actual application we will choose according to the customer, the type of process required and demand.

  • Commonly used ceramic circuit board processes

    Using the common ceramic circuit board thick film process, it is an advanced printed circuit board manufacturing technology with the advantages of easy multi-layer wiring, low cost, high temperature resistance, corrosion resistance, good mechanical strength, etc., which is widely used in the fields of electronics, communications, aerospace and so on.

  • Is it possible to produce a ceramic PCB with only a picture and no Gerber file?

    We can't produce without gerber file, we produce based on Gerber. Or if you have any samples, we can also clone based on the samples, if so, we can send 3-5 samples to our company, and then evaluate the price of making samples for you.

  • What is your delivery time?

    The fastest delivery time we can support is 12 hours. 1 hour for prompt quotation. 4 hours for prompt engineering. This depends on your product requirements and quantity. In addition, lead time will be included in your quote.

  • Where are your circuit boards manufactured?

    As a global PCB manufacturer, our factories are located in Guangzhou, China and Shenzhen, China, utilizing the strengths of each region to best serve you.

Introduction

Ceramic circuit board is a kind of circuit board made by using ceramic material as the substrate, which has excellent high temperature resistance, high insulation strength and low coefficient of thermal expansion. Compared to traditional metal substrates, ceramic circuit boards perform well at high temperatures, high pressures, and in harsh environments, and are widely used in power electronics, electronic packaging, multi-chip modules and other fields.

Advantages of Ceramic Circuit Boards

1. Extreme Environment Stability

  • Operating temperature range: -55°C to 850°C (HTCC materials)

  • Insulation strength: ≥15 kV/mm (Al₂O₃ substrates)

  • CTE: 6.5-8.5 ppm/℃ (matching Si/SiC chips)

2. Material Performance Advantages

Material PropertyAlN Substrate (Aluminum Nitride)Al₂O₃ Substrate (96% Alumina)BeO Substrate (Beryllia)Measurement Standard
Thermal Conductivity180-220 W/mK20-30 W/mK250-300 W/mKASTM E1461
Dielectric Constant @1MHz8.8 ±0.29.8 ±0.36.7 ±0.2ASTM D150
Flexural Strength350 MPa300 MPa250 MPaISO 14704
CTE (25-300°C)4.5 ppm/°C7.2 ppm/°C7.5 ppm/°CASTM E228
Volume Resistivity>10¹⁴ Ω·cm>10¹⁴ Ω·cm>10¹⁴ Ω·cmIEC 60093
Maximum Operating Temp850°C500°C900°CMIL-PRF-55342

3. Surface Characteristics

  • Surface roughness: Ra≤0.1μm (polished)

  • Dimensional tolerance: ±0.1mm (precision machining)

Advanced Manufacturing Processes

  1. Thin Film Process (DPC)

  • Magnetron sputtering technology

  • Copper thickness: 5-20μm

  • Line width/spacing: 30/30μm

  1. Thick Film Process (DBC/AMB)

  • Copper foil thickness: 100-300μm

  • Bonding strength: DBC(15-20MPa) vs AMB(>80MPa)

  • Operating temperature: AMB up to 1000°C

  1. Co-firing Technology

  • LTCC: Sintering temp 850-900°C

  • HTCC: Sintering temp 1600-1800°C

  • Layer alignment accuracy: ±25μm

Fields of application

Power electronics: Ceramic circuit boards excel in power electronics and can withstand the demands of high-power-density circuit designs.
Automotive: In automotive electronic systems, ceramic circuit boards are used for reliable operation in harsh environments, especially under conditions of high temperature and high humidity.
Aerospace: Ceramic circuit boards are also widely used in aerospace applications due to their excellent high-temperature resistance and mechanical properties.