Liquid ejection head and liquid ejection apparatus

A liquid ejection head includes a substrate in which a pressure generating chamber that communicates with a nozzle opening is formed; and a piezoelectric element having a piezoelectric layer, a first electrode that is formed on a surface of the piezoelectric layer on a side of the substrate so as to...

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Main Authors SHIMIZU TOSHIHIRO, KATO JIRO, ITO HIROSHI, HIRAI EIJU, YAZAKI SHIRO, TORIMOTO TATSURO, KOJIMA CHIKARA, TAKABE MOTOKI, SUMI KOJI, KAMIJO TAKAHIRO
Format Patent
LanguageEnglish
Published 29.09.2015
Subjects
CORRECTION OF TYPOGRAPHICAL ERRORS
ELECTRICITY
i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SELECTIVE PRINTING MECHANISMS
STAMPS
TRANSPORTING
TYPEWRITERS
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Summary:A liquid ejection head includes a substrate in which a pressure generating chamber that communicates with a nozzle opening is formed; and a piezoelectric element having a piezoelectric layer, a first electrode that is formed on a surface of the piezoelectric layer on a side of the substrate so as to correspond to the pressure generating chamber, and a second electrode that is formed on a surface of the piezoelectric layer opposite to the side on which the first electrode is formed so as to extend over a plurality of the pressure generating chambers, wherein the second electrode is formed to extend to an outside of the pressure generating chamber in a longitudinal direction of the pressure generating chamber.
Bibliography:Application Number: US201414565942