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 7553689 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 30, 2009

Filed:

Jul. 13, 2005
Applicants:

Jeng-shyan Lin, Tainan, TW;

Chien-hsien Tseng, Hsin chu, TW;

Shou-gwo Wuu, Hsin-chu, TW;

Ho-ching Chien, Hsinchu, TW;

Dun-nian Yaung, Taipei, TW;

Hung-jen Hsu, Tauo Yaun, TW;

Inventors:

Jeng-Shyan Lin, Tainan, TW;

Chien-Hsien Tseng, Hsin chu, TW;

Shou-Gwo Wuu, Hsin-chu, TW;

Ho-Ching Chien, Hsinchu, TW;

Dun-Nian Yaung, Taipei, TW;

Hung-Jen Hsu, Tauo Yaun, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A semiconductor device including a semiconductor substrate having a photosensor formed therein; a first layer overlying the substrate, the first layer includes a portion having a generally concave shaped surface being the negative shaped of a micro-lens to be formed there over; a second layer overlying the first layer, the second layer including a generally convex shaped portion vertically aligned with and mating with the generally concave shaped surface, the generally convex shaped portion being constructed and arranged to define a micro-lens positioned to cause parallel light passing through the micro-lens to converge on and strike the photosensor.


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