主权项 |
1. A light emitting key, comprising:
a top electrode; a top piezoresistive layer, configured on a bottom of the top electrode; a bottom piezoresistive layer, configured under the top piezoresistive layer; a bottom electrode, configured on a bottom of the bottom piezoresistive layer; a top through hole, made through the top piezoresistive layer; a bottom through hole, made through the bottom piezoresistive layer; and a gap, reserved between the top piezoresistive layer and the bottom piezoresistive layer. |