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.:

US 9473719 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 18, 2016

Filed:

Dec. 30, 2013
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsin-Chu, TW;

Inventors:

Volume Chien, Tainan, TW;

Yi-Sheng Liu, Yilan, TW;

Chia-Yu Wei, Tainan, TW;

Yun-Wei Cheng, Taipei, TW;

Chi-Cherng Jeng, Tainan, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 5/374 (2011.01); H01L 31/0232 (2014.01); H04N 5/335 (2011.01);
U.S. Cl.
CPC ...
H04N 5/374 (2013.01); H01L 31/0232 (2013.01); H04N 5/335 (2013.01);
Abstract

A semiconductor image sensor device having a conformal protective layer includes a semiconductor substrate a pixel-array region and a peripheral region. The conformal protective layer is disposed over a plurality of pixels having a photodiode and a plurality of transistors in the pixel-array region. Contacts to the plurality of transistors are surrounded by the conformal protective layer. In some embodiments, the conformal protective layer is the same material as transistor gate spacers in the peripheral region.


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Chien, Volume. (2016). Protection layer in cmos image sensor array region (U.S. Patent No. 9473719). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9473719

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