Patent ID: 11909390
Assignee: PERATCH HOLDCO LIMITED
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A button structure, comprising:
a base comprising a slot;
a sensing element inserted into said slot;
a pressure concentration element fixedly connected by bonding to said sensing element; and
a key cap mounted to said base, said key cap comprising a core member fixedly connected to a lower surface of a top plate of said key cap; wherein:
said core member comprises a lower surface configured to be brought into contact with said pressure concentration element on application of a pressure to an upper surface of said top plate, such that said applied pressure is transmitted to said sensing element through said core member and said pressure concentration element;
said sensing element comprises a piezoresistive film sensor;
said slot comprises an opening and a groove for receiving said sensing element, and an opening direction of said opening is substantially perpendicular to said applied pressure to said key cap; and
said opening direction extends in a direction extending perpendicular to a surface of said base defining said slot.