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:
Oct. 30, 2018
Filed:
Jun. 05, 2015
United Microelectronics Corporation, Hsinchu, TW;
Yan-Da Chen, Taipei, TW;
Weng Yi Chen, Zhubei, TW;
Chang-Sheng Hsu, Hsinchu, TW;
Kuan-Yu Wang, New Taipei, TW;
Yuan Sheng Lin, Taoyuan, TW;
UNITED MICROELECTRONICS CORPORATION, Hinschu, TW;
Abstract
Provided herein is a semiconductor device is provided. The semiconductor device includes a substrate including a MEMS region and a connection region thereon; a dielectric layer disposed on the substrate in the connection region; a poly-silicon layer disposed on the dielectric layer, wherein the poly-silicon layer serves as an etch-stop layer; a connection pad disposed on the poly-silicon layer; and a passivation layer covering the dielectric layer, wherein the passivation layer includes an opening that exposes the connection pad and a transition region between the connection pad and the passivation layer.