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:
Oct. 08, 2013
Filed:
Jun. 17, 2009
Applicants:
Masataka Kato, Hiratsuka, JP;
Keisuke Kishimoto, Yokohama, JP;
Inventors:
Masataka Kato, Hiratsuka, JP;
Keisuke Kishimoto, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/76 (2006.01); B23P 17/00 (2006.01); B41J 2/15 (2006.01); B41J 2/145 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of processing a liquid discharge head substrate includes the step of providing a recessed portion in the back surface of the substrate by discharging a manufacturing liquid in a linear trajectory to the back surface of the substrate and by irradiating the back surface of the substrate with laser light that passes along and in the manufacturing liquid.