Now more and more high-power devices are widely used in daily necessities and industrial manufacturing, with the acceleration of the trend of intelligent and miniaturization, the requirements of high-power heat dissipation are getting higher and higher, and the defects of small heat dissipation of alumina ceramics can not be met. Moreover, in the low-power field, the heat dissipation requirements are not high, and most of them choose traditional substrates with lower prices. So where should the alumina ceramic substrate go? The medium power market is where he has always been. For example, in automotive applications, it's always been there.

For improving the performance of automobiles, reducing fuel consumption and reducing exhaust pollution, alumina ceramic materials have extremely important value. Especially applied to automotive engines, sensors and shock absorbers, the performance has been improved. In a car engine, the operating temperature can be very high, reaching 350 degrees Celsius. And heat energy is lost in the process of transmission. The alumina ceramic substrate can withstand a high temperature of 1000 degrees Celsius, when the heat dissipation is not less than it is just right. It can not only stabilize the substrate from being damaged by high temperature, but also the heat energy that does not dissipate can be recovered by the turbocharger and the power turbine, which improves the thermal efficiency and makes the engine start faster.

As for the automobile sensor, it needs to be suitable for the harsh environment unique to the automobile for a long time (high temperature, low temperature, vibration, acceleration, humidity, noise, exhaust gas), and should have small and light weight, good reuse, and wide output range. These alumina ceramics can be met, with heat resistance, corrosion resistance, wear resistance and its potential excellent high frequency, low energy consumption and other properties, with its substrate can make the sensor life lasting, stable performance.

The final shock absorber Because the vibration absorption device of the senior car needs to recognize the road surface and do self-adjustment function, so that the vibration caused by the rough road surface of the car is minimized. Therefore, it is necessary to use the positive piezoelectric effect, inverse piezoelectric effect and electrostriction effect of alumina ceramics to develop intelligent shock absorbers, which requires the use of high sensitivity alumina ceramic substrate.

It is precisely because of this, in the huge medium power market in the future, alumina ceramic circuit boards will be able to serve more users!

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