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:
Nov. 10, 2020
Filed:
Jun. 12, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Masafumi Morisue, Tokyo, JP;
Yoshiyuki Nakagawa, Kawasaki, JP;
Kazuhiro Yamada, Yokohama, JP;
Takuro Yamazaki, Inagi, JP;
Ryo Kasai, Tokyo, JP;
Tomoko Kudo, Kawasaki, JP;
Takashi Sugawara, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejecting head includes an element substrate including a common liquid chamber connected to a liquid supply source, a pressure chamber connected to the common liquid chamber and including inside an element to generate energy used for ejecting liquid, a bubble generating chamber connected to the common liquid chamber and including inside a pump to cause a flow of the liquid, and a connection flow path connecting the pressure chamber and the bubble generating chamber. The liquid ejecting head includes a first anti-cavitation film over the element to generate the energy and a second anti-cavitation film over the pump, and the first anti-cavitation film and the second anti-cavitation film have different film thicknesses.