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.

Date of Patent:
Aug. 19, 2014

Filed:

Jun. 06, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Kentarou Suzuki, Kawasaki, JP;

Yusuke Onuki, Fujisawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01L 31/0224 (2006.01); H01L 31/18 (2006.01); H01L 31/0232 (2014.01);
U.S. Cl.
CPC ...
Abstract

A method for manufacturing a solid-state image sensor having a pixel region, a peripheral circuit region, and an intermediate region interposed between the pixel region and the peripheral circuit region, includes forming a high melting point metal compound in active regions of the peripheral circuit region and the intermediate region, forming an etch stop film on the high melting point metal compound formed in the active regions of the peripheral circuit region and the intermediate region, forming an interlayer insulating film on the etch stop film, and forming, by using the etch stop film, a contact plug to contact the high melting point metal compound in the active region of the peripheral circuit region.


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