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:
Jul. 08, 2014
Filed:
Jul. 06, 2012
Applicants:
Tetsushi Ishikawa, Tokyo, JP;
Tamaki Sato, Kawasaki, JP;
Inventors:
Tetsushi Ishikawa, Tokyo, JP;
Tamaki Sato, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
A liquid discharge head includes a first substrate having an energy generating element for discharging a liquid, and a second substrate which is bonded to the first substrate and which has a discharge port for discharging the liquid and a groove that forms a passage for supplying the liquid to the energy generating element, wherein one surface of the second substrate on the front surface side of the liquid discharge head and the other surface thereof, which is the back surface of the one surface, are individually provided with recesses.