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:
Feb. 28, 2006
Filed:
Dec. 06, 2004
Applicants:
Masahiro Chijiiwa, Kawasaki, JP;
Shigetoshi Takeda, Kawasaki, JP;
Masaya Katayama, Kawasaki, JP;
Inventors:
Assignee:
Fujitsu Limited, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
H01L 31/062 (2006.01); H01L 31/113 (2006.01);
U.S. Cl.
CPC ...
Abstract
The solid-state image sensor includes a pixel part, an analog circuit part, a digital circuit partand an input/output circuit part. The digital circuit partincludes a first wellof a second conduction type formed in a second region of a semiconductor substrateof a first conduction type surrounding a first region thereof; a first buried diffused layerof the second conduction type buried in the first region: a second wellof the first conduction type formed near a surface of the semiconductor substratein the first region; and a first transistorformed on the second well