Patent ID: 11875951
Assignee: WISTRON CORPORATION
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 0:
1. A button structure comprising:
a circuit board with a switch thereon;
a first portion located above the switch, wherein the first portion has a center;
a second portion partially covering the first portion and surrounding the first portion; and
a reinforcement structure disposed on the first portion, wherein a Young's modulus of the reinforcement structure is higher than a Young's modulus of the first portion;
wherein, in a transverse direction substantially parallel to the circuit board, a distance between the center of the first portion and a joint between the first portion and the second portion is L1, a distance between the reinforcement structure and the second portion is D1, and the following condition is satisfied:

8/3≤L1/D1≤4.