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Title:
ELEMENT SUBSTRATE, LIQUID DISCHARGE HEAD, AND MANUFACTURING METHODS OF ELEMENT SUBSTRATE AND LIQUID DISCHARGE HEAD
Document Type and Number:
Japanese Patent JP2014223734
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To downsize a substrate body without reducing an amount of a liquid supplied to a pressure chamber.SOLUTION: An element substrate 1 includes: a substrate body 4 in which an energy generation element 3 that generates energy for discharging a liquid is provided; a discharge port formation member 6 disposed on the substrate body 4, the discharge port formation member 6 having a pressure chamber 7 which surrounds the energy generation element 3, and a discharge port 8 communicating with the pressure chamber 7; and a supply port 9 which supplies the liquid to the pressure chamber 7. The supply port 9 is formed on a second surface 6b of the discharge port formation member 6 which is different from a first surface 6a contacting with the substrate body 4.

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Inventors:
HASEGAWA KOJI
IBE SATOSHI
YAMAMURO JUN
OTAKU SHUHEI
SUZAKU SHIRO
HAYASAKA JUNYA
Application Number:
JP2013103035A
Publication Date:
December 04, 2014
Filing Date:
May 15, 2013
Export Citation:
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Assignee:
CANON KK
International Classes:
B41J2/05; B41J2/16
Domestic Patent References:
JP2002178520A2002-06-26
JP2002036560A2002-02-05
Foreign References:
US20030058298A12003-03-27
Attorney, Agent or Firm:
Akio Miyazaki
Masaaki Ogata