Title:
LIQUID DISCHARGE HEAD
Document Type and Number:
Japanese Patent JP2023044121
Kind Code:
A
Abstract:
To provide a liquid discharge head which can detect a temperature of a liquid with high sensitivity.SOLUTION: A liquid discharge head 118 includes: a base 100; a discharge port 111; a heating element 102; a temperature detection element 115 which detects a temperature of a liquid; a wiring layer electrically connected to the heating element 102; a protection layer 101 which protects the heating element 102 and the wiring layer from the liquid; and a liquid supply port 108 for supplying the liquid to the discharge port 111. When viewed from a direction perpendicular to the base 100, the temperature detection element 115 is disposed between the heating element 102 and the liquid supply port 108 and formed on the protection layer 101.SELECTED DRAWING: Figure 1
Inventors:
SHIMOTSUSA MINEO
Application Number:
JP2021151989A
Publication Date:
March 30, 2023
Filing Date:
September 17, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
B41J2/14; B41J2/01
Attorney, Agent or Firm:
Takuma Abe
Sougo Kuroiwa
Sougo Kuroiwa
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