公开(公告)号：US10814630B2

公开(公告)日：2020-10-27

申请号：US16189290

申请日：2018-11-13

Applicant: SII Printek Inc.

Inventor： Masakazu Hirata ,  Kenji Takano ,  Tomoki Sodetai

IPC: B41J2/16 ,  B41J2/14

Abstract: Provided herein are a jet hole plate, a liquid jet head, a liquid jet recording apparatus, and a method for manufacturing a jet hole plate that can achieve a long life. A jet hole plate according to an embodiment of the present disclosure is a jet hole plate for use in a liquid jet head. The jet hole plate includes a metal substrate having provided therein a plurality of jet holes. The metal substrate has a principal surface having outlets for the jet holes. The principal surface has a surface roughness (arithmetic mean roughness Ra) that is smaller in outlet edge regions of the jet holes than in surrounding regions around the outlet edge regions.

公开(公告)号：US10710366B2

公开(公告)日：2020-07-14

申请号：US16189330

申请日：2018-11-13

Applicant: SII Printek Inc.

Inventor： Masakazu Hirata ,  Kenji Takano ,  Emiko Osaka

IPC: B41J2/14 ,  B41J2/165 ,  B41J2/16 ,  B41J2/21

Abstract: Provided herein are a jet hole plate, a liquid jet head, and a liquid jet recording apparatus that can achieve a long life. A jet hole plate according to an embodiment of the present disclosure is a jet hole plate for use in a liquid jet head. The jet hole plate includes a metal substrate provided with a plurality of jet holes. In the metal substrate, an average crystal grain size in outlet edges of the jet holes is smaller than that in surrounding regions around the outlet edges.