Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus

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United States of America Patent

PATENT NO 8770724
APP PUB NO 20120236081A1
SERIAL NO

13420288

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Abstract

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A piezoelectric element including: a first electrode, a piezoelectric layer formed above the first electrode to have a longitudinal direction and a transverse direction, and a second electrode formed above the piezoelectric layer, wherein at least a part of a side surface of the piezoelectric layer in the transverse direction is a concavo-convex surface, and a width of the piezoelectric layer in the transverse direction from the second electrode to the first electrode changes with the concavo-convex surface.

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Patent Owner(s)

  • SEIKO EPSON CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Furuya, Noboru Nagano, JP 20 85
Nakayama, Masao Nagano, JP 118 851

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