US Patent 7717546 Piezoelectric device and liquid jet head
Patent 7717546 was granted and assigned to Seiko Epson on May, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A piezoelectric device including: a substrate; a lower electrode formed over the substrate; a piezoelectric layer formed over the lower electrode and including lead zirconate titanate; and an upper electrode formed over the piezoelectric layer, the lead zirconate titanate having a half-width of a peak of a (100) plane measured by an X-ray diffraction rocking curve method of 10 degrees or more and 25 degrees or less.
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Patent Inventor Names
Koji Sumi0
Motohisa Noguchi0
Motoki Takabe0
Naoto Yokoyama0
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US Patent 07717546 Piezoelectric device and liquid jet head US Patent 7717546 Piezoelectric device and liquid jet head
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Patent Number
077175460
Patent Number
77175460
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
077175460
Date of Patent
May 18, 2010
0Patent Application Number
118796280
Date Filed
July 18, 2007
0Official Website
Patent Primary Examiner
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US Patent 07717546 Piezoelectric device and liquid jet head
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07717546
Date of patent
May 18, 2010
Patent application number
11879628
Date Filed
July 18, 2007
Patent primary examiner
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