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. 07, 2020
Filed:
Sep. 25, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Yoshiyuki Nakagawa, Kawasaki, JP;
Kazuhiro Yamada, Yokohama, JP;
Noriyasu Nagai, Tokyo, JP;
Takuro Yamazaki, Inagi, JP;
Toru Nakakubo, Kawasaki, JP;
Akira Yamamoto, Yokohama, JP;
Masafumi Morisue, Tokyo, JP;
Ryo Kasai, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head is provided with an ejection orifice array having multiple ejection orifices in order to eject a liquid; multiple energy-generating elements for generating energy in order to eject the liquid; a substrate provided with the energy-generating elements; a through-port array having multiple through-ports penetrating the substrate; multiple linear liquid flow paths positioned between the through-port array and the ejection orifice array and connected to respective ejection orifices of the ejection orifice array and respective through-ports of the through-port array; and first and second electrodes arranged in each of the multiple liquid flow paths for generating an electroosmotic flow in the liquid.