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 7935551 B1

PDF
Full Text
Expired
Date of Patent:
May. 03, 2011

Filed:

Nov. 30, 2007
Applicants:

Ki Sik Im, Daegu, KR;

Woo Seok Hyun, Incheon, KR;

Inventors:

Ki Sik Im, Daegu, KR;

Woo Seok Hyun, Incheon, KR;

Assignee:
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01); H01L 31/0232 (2006.01); H01L 31/00 (2006.01); H01L 27/146 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for manufacturing a sensor image may include forming a pixel array including a photodiode structure and an insulating film structure in an active area of a semiconductor substrate; forming a metal pad on the insulating film structure; forming a dielectric and/or etch stop film on the metal pad (and optionally over the pixel array); forming a protective layer on the dielectric and/or etch stop film; and forming a pad opening and a pixel opening by etching the protective layer.


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Im, Ki. (2011). Image sensor and method for manufacturing the same (U.S. Patent No. 7935551). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7935551

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