US Patent 7229161 Piezoelectric ink jet head
Patent 7229161 was granted and assigned to Kyocera Corporation on June, 2007 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is directed to a piezoelectric ink jet head wherein contacts for the electrical connection of the upper and lower electrodes that sandwich the piezoelectric element on the upper and lower sides are disposed in a solid region of the substrate where any of recess to make the pressure cavity, common feed path, feed port, nozzle passage or nozzle is not formed, in order to surely prevent the vibration characteristic of individual drive regions or individual piezoelectric element from varying.
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US Patent 07229161 Piezoelectric ink jet head US Patent 7229161 Piezoelectric ink jet head
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Patent Number
0722916100
Patent Number
722916100
Edits on 27 Apr, 2023
Golden AI
Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072291610
Date of Patent
June 12, 2007
0Patent Application Number
108525300
Date Filed
May 24, 2004
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
072291610
Date of Patent
June 12, 2007
0Patent Application Number
108525300
Date Filed
May 24, 2004
0Official Website
Patent Primary Examiner
Edits on 15 Jun, 2022
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US Patent 07229161 Piezoelectric ink jet head
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07229161
Date of patent
June 12, 2007
Patent application number
10852530
Date Filed
May 24, 2004
Patent primary examiner
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