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. 22, 2016
Filed:
Mar. 14, 2014
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Volume Chien, Tainan, TW;
Yu-Heng Cheng, Lukang Township, TW;
Huan-En Lin, Kaohsiung, TW;
Chi-Cherng Jeng, Tainan, TW;
Fu-Tsun Tsai, Tainan, TW;
Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;
Abstract
An integrated circuit structure includes a semiconductor substrate, an image sensor extending from a front surface of the semiconductor substrate into the semiconductor substrate, and an isolation structure extending from a back surface of the semiconductor substrate into the semiconductor substrate, wherein the isolation structure includes an air-gap therein. An air-gap sealing layer is on a backside of the semiconductor substrate. The air-gap sealing layer seals the air-gap, wherein the air-gap sealing layer includes a portion exposed to the air-gap.