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How to choose the appropriate substrate for ceramic circuit boards?
2023 11,16 -
Laser Cutting or Water Saw Cutting? How To Choose the Best Cutting Solution for Ceramic Circuit Boards
2023 11,13 -
Why Ceramic PCB Is So Expensive？
2023 11,10 -
Which Process Ceramic Circuit Board Is A Better Solution For Semiconductor Refrigerator Chips?
2023 11,06 -
Silicon Printing Circuit Boards For Advancing Electronics
2023 10,27 -
What is the Difference Between HTCC and LTCC Ceramic PCB
2023 10,06 -
What is the Difference Between 96% and 99% Aluminum Oxide in Ceramic PCBs?
2023 09,20 -
Why thick film ceramic PCB is good for oil level sensor in automotive industry?
2023 08,25 -
Statistical analysis of ceramic PCB application fields
2023 08,16 -
Notice of anti-static requirements for PCBA processing and production
2023 08,16 -
Silver Paste: The Best Conductor Material for Via Holes in Thick Film Ceramic Boards
2023 08,16 -
Testing Circuit Board Ceramic Diode Fuses: A Complete Guide
2023 08,07 -
Why DBC is replaced by DPC in ceramic PCB manufacturing?
2023 08,01 -
What is thick film ceramic PCB?
2023 08,02
Statistical analysis of ceramic PCB application fields
The market environment for ceramic substrates is relatively better this year, and the market demand continues to increase. The main reason is that the technology of ceramic substrates is becoming more and more mature, and the performance of ceramic PCB products is better, and the cost is also lower than that of previous years. Today I want to share the five major areas and reasons for the application of ceramic substrates PCB.
1. High-power power semiconductor modules; semiconductor refrigerators, electronic heaters; power control circuits, power hybrid circuits.
2. Intelligent power components; high frequency switching power supply, solid state relay.
3. Automotive electronics, aerospace and military electronic components.
4. Solar panel components; telecommunications special switches, receiving systems; industrial electronics such as lasers.
5. LED high-power lighting.
Ceramic substrate Circuit Boards
Ceramic substrate circuit boards in the above application fields are very popular, mainly determined by the performance of ceramic substrates. The most important thing about ceramic substrates is good heat dissipation performance. The following points elaborate on the advantages of ceramic substrates:
1. The thermal expansion coefficient of the ceramic substrate is close to that of the silicon chip, which can save the Mo sheet of the transition layer, save labor, save materials and reduce costs.
2. Excellent thermal conductivity makes the package of the chip very compact, thus greatly increasing the power density and improving the reliability of the system and device.
3. Large carrying capacity, 100A current continuously passes through a 1mm wide and 0.3mm thick copper body, and the temperature rise is about 17°C; 100A current continuously passes through a 2mm wide and 0.3mm thick copper body, the temperature rise is only about 5°C.
4. High insulation withstand voltage, ensuring personal safety and equipment protection.
5. Low thermal resistance, the thermal resistance of 10×10mm ceramic substrate is 0.31K/W for 0.63mm thick ceramic substrate, 0.19K/W for 0.38mm thick ceramic substrate, and 0.25mm thick ceramic substrate The thermal resistance is 0.14K/W.
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