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US 8,573,752 B2Granted
Piezoelectric element, liquid ejecting head, and liquid ejecting apparatus
AssigneeSeiko Epson Corporation
InventorTetsuya Isshiki
Life of this patent
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Abstract
A piezoelectric element comprises a piezoelectric layer comprising a mixed crystal including at least cerium, bismuth, iron, barium, and titanium and an electrode provided to the piezoelectric layer. The molar ratio of cerium to the total amount of cerium and bismuth in the piezoelectric layer is 0.03 or more and 0.10 or lower.
Claims4
A piezoelectric element, comprising:
- a piezoelectric layer comprising a mixed crystal including at least cerium, bismuth, iron, barium, and titanium;
- and
- an electrode provided to the piezoelectric layer,
- wherein the molar ratio of cerium to the total amount of cerium and bismuth (Ce/Ce+Bi) in the piezoelectric layer is 0.03 or more and 0.10 or lower.
1 more element
Dependencies are inferred from the claim text.