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:
Mar. 14, 2017
Filed:
Jul. 02, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Masanobu Ohmura, Yokohama, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/05 (2006.01); B41J 2/14 (2006.01); B41J 2/35 (2006.01); G11C 17/16 (2006.01); G11C 17/18 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14016 (2013.01); B41J 2/14427 (2013.01); B41J 2/35 (2013.01); G11C 17/16 (2013.01); G11C 17/18 (2013.01);
Abstract
A printhead substrate, comprising an electrothermal transducer configured to heat a printing material, a first DMOS transistor configured to drive the electrothermal transducer, a MOS structure forming an anti-fuse element, a second DMOS transistor configured to write information in the anti-fuse element by causing an insulation breakdown of an insulating film of the MOS structure, and a driving unit consisted of at least one MOS transistor and configured to drive the second DMOS transistor.