| 摘要 |
The present invention provides a key cap with a multiple-layer structure for use with a push button switch which having a plunger device. The key cap has a first portion formed by a first material and a second portion formed by a second material. The first portion includes at least one bearing portion connected to the plunger device. The second portion covers the first portion and includes a contact surface for bearing an external force exerted on the cap. The second portion has a thickness smaller than that of the first portion since the strength of the second material is higher than that of the first material.
|
