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:
May. 31, 2022
Filed:
Sep. 24, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Shotaro Tamai, Matsumoto, JP;
Nobuhiro Naito, Hara-Mura, JP;
Yuma Fukuzawa, Matsumoto, JP;
Akinori Taniuchi, Matsumoto, JP;
Shohei Mizuta, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14233 (2013.01); B41J 2/14201 (2013.01); B41J 2002/14241 (2013.01); B41J 2002/14306 (2013.01); B41J 2202/08 (2013.01);
Abstract
The communication plate has a first layer that defines a wall surface of the communication flow channel, a second layer stacked on a side of the first layer opposite to the wall surface, and a third layer stacked on a side of the second layer opposite to the first layer, and the thermal expansion coefficient of the second layer is smaller than the thermal expansion coefficient of the first layer and is smaller than the thermal expansion coefficient of the third layer.