US 12,246,537 B2
Nozzle plate, inkjet head, nozzle plate manufacturing method, and inkjet head manufacturing method
Akihisa Shimomura, Atsugi (JP); Tadashi Hirano, Hino (JP); and Tomohiro Nishiura, Hachioji (JP)
Assigned to KONICA MINOLTA, INC., Tokyo (JP)
Appl. No. 18/001,435
Filed by Konica Minolta, Inc., Tokyo (JP)
PCT Filed Jun. 21, 2021, PCT No. PCT/JP2021/023363
§ 371(c)(1), (2) Date Dec. 9, 2022,
PCT Pub. No. WO2022/004459, PCT Pub. Date Jan. 6, 2022.
Claims priority of application No. 2020-111031 (JP), filed on Jun. 29, 2020.
Prior Publication US 2023/0234354 A1, Jul. 27, 2023
Int. Cl. B41J 2/14 (2006.01); B41J 2/16 (2006.01)
CPC B41J 2/1433 (2013.01) [B41J 2/162 (2013.01); B41J 2/1623 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A nozzle plate of an inkjet head, the nozzle plate comprising:
a first surface that is bonded to an upper layer substrate by an adhesive; and
a second surface in which an opening of a nozzle that ejects an ink is provided, wherein
the first surface and the second surface are opposite sides of the nozzle plate,
a step is formed at an edge of the first surface, and
an edge of the second surface is planar.