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 7550393 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 23, 2009

Filed:

Jan. 31, 2005
Applicant:

Hee-geun Jeong, Seoul, KR;

Inventor:

Hee-Geun Jeong, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 21/302 (2006.01); H01L 21/461 (2006.01);
U.S. Cl.
CPC ...
Abstract

A solid-state imaging device includes a light sensor formed in a semiconductor substrate. In addition, the solid-state imaging device includes a light block layer with an opening formed through the light block layer over at least a portion of the light sensor. Furthermore, at least one sidewall of the light block layer facing the opening is concave shaped for reducing smear phenomenon.


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Jeong, Hee-Geun. (2009). Solid-state imaging device with reduced smear (U.S. Patent No. 7550393). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7550393

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