Invention Grant
- Patent Title: Multi-layer keycap
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Application No.: US15072201Application Date: 2016-03-16
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Publication No.: US10043618B2Publication Date: 2018-08-07
- Inventor: Zhaoyang Han , Chih-Wei Chen , Changliang Li , Lijuan Chang
- Applicant: Logitech Europe S.A.
- Applicant Address: CH Lausanne
- Assignee: Logitech Europe S.A.
- Current Assignee: Logitech Europe S.A.
- Current Assignee Address: CH Lausanne
- Agency: Kilpatrick Townsend and Stockton
- Main IPC: H01H13/70
- IPC: H01H13/70 ; H01H13/705 ; H01H3/12 ; H01H11/00 ; B29C47/06 ; B29K75/00 ; B29L31/46

Abstract:
Embodiments describing a method of forming a multi-layered keycap structure are disclosed herein. The method includes forming a first polymer layer on a second polymer layer, wherein the first polymer layer includes a first color and the second polymer layer includes a second color, and coupling the first polymer layer and second polymer layer to a substrate layer such that the first polymer layer is closer to the substrate than the second polymer layer. The method may further include forming a third polymer layer on the second polymer layer; and etching the multi-layered keycap structure to form an opening having a bottom surface that exposes at least one of the first or second color.
Public/Granted literature
- US20170271102A1 Multi-Layer Keycap Public/Granted day:2017-09-21
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