Invention Grant
- Patent Title: Liquid discharge head substrate, liquid discharge head, and method for disconnecting fuse portion in liquid discharge head substrate
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Application No.: US16132797Application Date: 2018-09-17
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Publication No.: US10538085B2Publication Date: 2020-01-21
- Inventor: Yoshinori Misumi , Yuzuru Ishida , Maki Kato , Takahiro Matsui
- Applicant: CANON KABUSHIKI KAISHA
- Applicant Address: JP Tokyo
- Assignee: CANON KABUSHIKI KAISHA
- Current Assignee: CANON KABUSHIKI KAISHA
- Current Assignee Address: JP Tokyo
- Agency: Canon USA, Inc., IP Division
- Priority: JP2017-195985 20171006
- Main IPC: B41J2/14
- IPC: B41J2/14 ; B41J2/05
Abstract:
Influence of transform of quality to an entire liquid discharge head is suppressed when a heat resistor and a covering portion are electrically connected to each other. To address this problem, a liquid discharge head substrate includes fuse portions for respective heat resistor arrays.
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