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Important factors to consider when designing FPC for space applications

In satellite applications, flexible FPC has several advantages over rigid PCBs. The characteristics of flexible FPC make FPC the best choice for space applications. FPC for space applications operates under very harsh conditions. It is important for designers to consider the following points before starting to use them for flexible FPC design of spatial applications.

working temperature

Although the FPC is not directly exposed to space conditions, the design of the FPC should be suitable for the internal environment of space applications. The material selection of this FPC becomes critical. For space applications, materials with operating temperatures above 120 ° C should be selected.

Limit bleeding

Using FPC in a high-pressure vacuum environment may release gases trapped in FPC during manufacturing. Such gas leakage will condense in other parts of the equipment. During operation under high pressure and vacuum, the heat applied on the FPC will force the gas out of the FPC, which is called degassing. By selecting materials with good heat resistance for FPC design, degassing can be minimized.

Continuous orbital collision

The satellite orbits the earth in a circular orbit. When orbiting the Earth, collisions between other celestial bodies are likely to occur. The FPC should be able to withstand these minor impacts. Therefore, the bending capacity of flexible FPC should be very high. Flexibility/bendability is an important factor to consider when designing flexible FPCs for space applications.



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