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:
Apr. 04, 2017

Filed:

Feb. 02, 2016
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Satoshi Ibe, Yokohama, JP;

Keiji Watanabe, Kawasaki, JP;

Junya Hayasaka, Funabashi, JP;

Shiro Sujaku, Kawasaki, JP;

Kouji Hasegawa, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01); H05K 3/36 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1607 (2013.01); B41J 2/14072 (2013.01); B41J 2/14201 (2013.01); B41J 2/1603 (2013.01); B41J 2/1626 (2013.01); B41J 2/1631 (2013.01); B41J 2/1645 (2013.01); H05K 3/361 (2013.01); B41J 2002/14491 (2013.01);
Abstract

A method for producing a liquid-ejection-head substrate includes providing a substrate having an energy-generating element and a pad, the pad including a wiring layer, the wiring layer in the pad having a relatively thick portion and a relatively thin portion and performing electrical inspection by applying a contact probe to the relatively thin portion of the wiring layer in the pad.


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