US 12,263,678 B2
Liquid ejection head and recording apparatus
Daiki Furuzawa, Kirishima (JP); and Shuhei Kawamata, Kirishima (JP)
Assigned to KYOCERA Corporation, Kyoto (JP)
Filed by KYOCERA Corporation, Kyoto (JP)
Filed on Oct. 13, 2023, as Appl. No. 18/486,259.
Application 18/486,259 is a continuation of application No. 17/297,486, granted, now 11,820,143, previously published as PCT/JP2019/045646, filed on Nov. 21, 2019.
Claims priority of application No. 2018-223522 (JP), filed on Nov. 29, 2018.
Prior Publication US 2024/0034063 A1, Feb. 1, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. B41J 2/14 (2006.01)
CPC B41J 2/14201 (2013.01) [B41J 2/14274 (2013.01); B41J 2002/14225 (2013.01); B41J 2002/14241 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A liquid ejection head comprising:
a channel member comprising an ejection hole, a pressurizing chamber connected with the ejection hole, an ejection hole surface on an ejection hole side of the channel member, and a pressurizing chamber surface on a pressurizing chamber side of the channel member;
a pressurizing part in a pressurizing region of the pressurizing chamber surface;
a cover member on the channel member; and
a water repellent film on the cover member.