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What are the common uses and characteristics of ceramic substrates?

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  Ceramic substrate refers to a special technical board in which the copper foil directly closes the surface(single-sided or double-sided)of the aluminum oxide(Al2O3)or aluminum nitride(AlN)ceramic substrate at high temperatures.The made ultra-thin composite board has excellent electrical insulation performance,high thermal conductivity,excellent weldability and high adhesion strength,can etch various patterns like a PCB board,and has a large current carrying capacity.Therefore,ceramic substrates have become the basic material for high-power power electronic circuit structure technology and interconnection technology.

  Introduction to the characteristics and common uses of ceramic substrates.


  1.Strong mechanical stress,stable shape,high strength,high thermal conductivity,high insulation,strong bonding force,and anti-corrosion.

  2.Good thermal cycle performance,with 50,000 cycles and high reliability.

  3.Like the PCB board(or IMS substrate),it can etch the structure of various patterns without pollution and pollution.

  4.Operating temperature width-55℃~850℃The thermal expansion coefficient is close to silicon,simplifying the production technology of power modules.

cermet substrate


  1.High-power power semiconductor modules;semiconductor coolers,electronic heaters;power control circuits,power hybrid circuits.

  2.Intelligent power components,high frequency switching power supplies,solid state relays.

  3,automotive electronics,aerospace and military electronic components.

  4.Industrial electronics such as solar panel components,telecommunications special switches,laser receiving systems.

  The advent of ceramic plate products has opened up the development of the heat dissipation application industry.Due to the characteristics of ceramic plate heat dissipation,coupled with the advantages of ceramic plates such as high heat dissipation,low thermal resistance,long service life,and withstand voltage,with the improvement of production processes and equipment Accelerated price rationalization has expanded the application areas of the LED industry,such as indicator lights for home appliances,car lights,street lights,and large outdoor billboards.The successful development of ceramic substrates provides services for indoor and outdoor lighting products and expands the future market areas of the LED industry.
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