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:
Feb. 12, 2019
Filed:
May. 17, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Akiko Saito, Tokyo, JP;
Shintaro Kasai, Yokohama, JP;
Yoshiyuki Nakagawa, Kawasaki, JP;
Takatsugu Moriya, Tokyo, JP;
Koichi Ishida, Tokyo, JP;
Shinji Kishikawa, Tokyo, JP;
Takayuki Sekine, Kawasaki, JP;
Shuzo Iwanaga, Kawasaki, JP;
Tatsuya Yamada, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A recording element substrate includes: a substrate on which a plurality of energy generating elements that generate energy used for ejecting liquid are arranged side by side, an ejection port forming member in which ejection ports are formed at positions corresponding to the plurality of energy generating elements, a plurality of supply passages which are channels extending in a thickness direction of the substrate and through which liquid is supplied to the energy generating elements, and a support member that is formed between the substrate and the ejection port forming member and supports the ejection port forming member, in which supply ports that are apertures of the plurality of supply passages are linearly arranged side by side on the substrate, and a plurality of support members are provided side by side between adjacent supply ports on the substrate in a direction in which the supply ports are aligned.