Aerospace ceramic circuit board

Time：202019-04-20

Aerospace ceramic circuit board

Ceramic circuit boards are also used in aircraft, including spacecraft, mainly for use on sensors. An aircraft is actually a large collection of sensors.

In the air or in space, the aircraft must withstand the ubiquitous force, the size of the force determines the normal operation of the aircraft, then you need a lot of pressure sensors to detect these forces, such as the engine's intake pressure sensor, exhaust A series of force sensors, such as pressure sensors, cabin pressure sensors, and extra-vehicle pressure sensors.

Typically, pressure sensor measurements drift as the operating environment and static pressure change. In some small pressure or differential pressure measurements, this drift is likely to be more serious. Under different working conditions, the relatively correct measurement is obtained, thus maintaining the stability of production and ensuring the consistency of the process. It is the embodiment of the stability of the pressure sensor and the stability requirement of the pressure sensor in the aerospace industry. Based on stability and reliability, high precision is a higher demand for pressure sensors in the aerospace industry. The accuracy of the control depends on the accuracy of the measurements during the control process. The higher the measurement accuracy, the higher the control accuracy. At present, the accuracy of most pressure sensors reaches 0.075%, but it is difficult to meet the measurement accuracy requirements of the aerospace industry. In addition, the aerospace industry has many other needs for pressure sensors. For example: anti-cosmic rays, corrosion resistance, etc.

At this time, it is time to go to the ceramic substrate. Because of the advancement of ceramic materials, the precision can be higher. More importantly, the stability of ceramic materials is much better than other materials. As inorganic substances, Resistant to cosmic rays, acid and alkali corrosion, will shine in the aerospace industry.

With the continuous advancement of technology, its application in aerospace will be more extensive.

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