Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiyomitsu Kudo0
Tomotsugu Kuroda0
Satoshi Kimura0
Naoko Tsujiuchi0
Date of Patent
October 25, 2016
0Patent Application Number
147212640
Date Filed
May 26, 2015
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A liquid ejection head with high environmental reliability which suppresses a crack of a Si substrate and peeling-off of an ejection port forming member by relaxing a residual stress in a printing element substrate and a manufacturing method of a liquid ejection head are provided. For that purpose, after the printing element substrate is bonded and fixed to a support member, the support member is screwed and fixed through an elastic member.
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