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:
Aug. 18, 2015
Filed:
May. 13, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Kouji Hasegawa, Kawasaki, JP;
Satoshi Ibe, Yokohama, JP;
Jun Yamamuro, Yokohama, JP;
Shuhei Oya, Kawasaki, JP;
Shiro Sujaku, Kawasaki, JP;
Junya Hayasaka, Funabashi, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A device substrate includes a substrate body having an energy generating device provided thereon, where the energy generating device generates energy for ejecting liquid, an ejection port forming member disposed on the substrate body, where the ejection port forming member has a pressure chamber that surrounds the energy generating device and an ejection port that communicates with the pressure chamber, and a supply port configured to supply the liquid to the pressure chamber. The ejection port forming member has a first surface that is in contact with the substrate body and a second surface other than the first surface, and the supply port is formed in the second surface.