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:
Oct. 09, 2008
Hui-shen Shih, Changhua County, TW;
Yu-fang Chien, Taipei County, TW;
Hui-Shen Shih, Changhua County, TW;
Yu-Fang Chien, Taipei County, TW;
United Microelectronics Corp., Hsinchu, TW;
Abstract
A microelectromechanical system (MEMS) diaphragm is provided. The MEMS diaphragm includes a first conductive layer, a second conductive layer and a dielectric layer. The first conductive layer is disposed on a substrate and having a plurality of openings. The dimenisons of the openings are gradually reduced toward the edge of the first conductive layer. The second conductive layer is disposed between the first conductive layer and the substrate. The dielectric layer is partially disposed between the first conductive layer and the second conductive layer, so that a portion of the first conductive layer is suspended.