US 12,441,109 B2
Liquid discharge head, liquid discharge device, and liquid discharge apparatus
Toshiaki Masuda, Kanagawa (JP); and Takuma Hirabayashi, Tokyo (JP)
Assigned to RICOH COMPANY, LTD., Tokyo (JP)
Filed by Toshiaki Masuda, Kanagawa (JP); and Takuma Hirabayashi, Tokyo (JP)
Filed on May 16, 2023, as Appl. No. 18/197,738.
Claims priority of application No. 2022-093814 (JP), filed on Jun. 9, 2022.
Prior Publication US 2023/0398779 A1, Dec. 14, 2023
Int. Cl. B41J 2/14 (2006.01)
CPC B41J 2/14233 (2013.01) [B41J 2/14112 (2013.01); B41J 2/14314 (2013.01); B41J 2002/14258 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A liquid discharge head comprising:
an actuator substrate;
an electromechanical transducer held by the actuator substrate;
a damper; and
a damper holding substrate holding the damper,
wherein the damper is disposed between the actuator substrate and the damper holding substrate and is joined to the actuator substrate and the damper holding substrate with an adhesive, and
wherein the damper has a joint portion having a recess or a through hole.