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:
Dec. 11, 2018
Filed:
May. 23, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Ryoji Kanri, Zushi, JP;
Yoshiyuki Fukumoto, Kawasaki, JP;
Atsunori Terasaki, Kawasaki, JP;
Tetsushi Ishikawa, Tokyo, JP;
Masaya Uyama, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head comprising a silicon substrate; an insulating layer A formed on a first surface of the silicon substrate, a protective layer A that includes metal oxide and is formed on the insulating layer A, the structure that is formed on the protective layer A by direct contact with the protective layer A, includes organic resin, and forms a part of a flow path for liquid, and an element that is formed on a second surface of the silicon substrate on a side opposite to the first surface, and is configured to generate energy used for discharging the liquid.