
Unigreat Technology engages in capacitive sensor for many years. The membrane switch series is available in a wide range of types and specifications. Unigreat [custom membrane keypad has to go through a series of complicated and sophisticated workmanship. For example, its epitaxial wafer needs washing, photoetching, stripping of photoresist, coating, etc. The product is 100% skin friendly and safe. During the production stage, the harmful substances that may cause skin irritation have been totally removed.

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