The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 13, 2012
Filed:
Mar. 19, 2009
Applicants:
Kai-jie Tsao, Taoyuan, TW;
Kuo-long Chen, Taoyuan, TW;
Inventors:
Kai-Jie Tsao, Taoyuan, TW;
Kuo-Long Chen, Taoyuan, TW;
Assignee:
Ichia Technologies, Inc., Hwa-Ya Tech. Park, Gueishan, Taoyuan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 13/70 (2006.01);
U.S. Cl.
CPC ...
Abstract
A thin-type keycap structure comprising a key cap layer and a plastic film on the upper surface of the key cap layer. The thin-type keycap structure and the metal dome on a PCB are assembled to form a keypad structure. The thin-type keycap structure is made through compression molding of the plastic film and a resin together. The surface of the plastic film may be embossed before the compression molding.