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:
Jul. 30, 2019
Filed:
Jul. 09, 2015
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
Ming-Hui Yang, New Taipei, TW;
Chun-Ting Liao, Hsin-chu, TW;
Yi-Te Chen, Hsinchu, TW;
Chen-Yuan Chen, Hsinchu, TW;
Ho-Chun Liou, Hsinchu, TW;
TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD., Hsinchu, TW;
Abstract
A semiconductor device includes an integrated circuit, at least one outer seal ring, and at least one inner seal ring. The outer seal ring surrounds the integrated circuit. The outer seal ring includes a plurality of metal layers in a stacked configuration, and the metal layers are closed loops. The inner seal ring is disposed between the outer seal ring and the integrated circuit and separated from the outer seal ring. The inner seal ring has at least one gap extending from a region encircled by the inner seal ring to a region outside the inner seal ring.