公开(公告)号：US20240286416A1

公开(公告)日：2024-08-29

申请号：US18444063

申请日：2024-02-16

申请人： ROHM CO., LTD.

发明人： YASUYUKI ARITAKI ,  TOSHIO WATANABE ,  KAZUYA NAKAKUBO ,  TAKAMICHI OTANI

IPC分类号： B41J2/335

CPC分类号： B41J2/3351 ,  B41J2/3355 ,  B41J2/33515

摘要： The present disclosure provides a thermal print head. The thermal print head includes: a substrate; a glaze layer, disposed on the substrate; and a wiring layer, disposed on the glaze layer. The wiring layer includes a plurality of bonding pads. The plurality of bonding pads are divided into a plurality of groups. Each of the plurality of groups includes a first bonding pad, a second bonding pad, a third bonding pad and a fourth bonding pad. A first group of the plurality of groups is adjacent to a second group of the plurality of groups along a first direction. The second bonding pad of the first group is located between a center of the first bonding pad of the first group and a center of the third bonding pad of the first group along the first direction.