Piezoelectric device, liquid ejecting head, liquid ejecting apparatus, and method of manufacturing piezoelectric device
US11865838B2 · kind B2 · utility
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1References
16Claims
0Family size
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Key dates
| Filing date | Oct 28, 2021 |
| Grant date | Jan 9, 2024 |
| Priority date | — |
| Expiry date | Dec 4, 2041 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2202/11
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A piezoelectric body layer of a first area has (100) plane preferential orientation, and a (100) plane orientation ratio of the piezoelectric body layer of a second area is lower than a (100) plane orientation ratio of the piezoelectric body layer of the first area, when one area far from an end portion of a second electrode is the first area, and one area near the end portion of the second electrode is the second area, of two areas of the second electrode in a second direction intersecting a first direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.