Incremental printing of symbolic information – Ink jet – Ejector mechanism
Reexamination Certificate
2006-03-27
2009-08-04
Luu, Matthew (Department: 2861)
Incremental printing of symbolic information
Ink jet
Ejector mechanism
C310S311000, C310S321000
Reexamination Certificate
active
07568792
ABSTRACT:
Provided are an a piezoelectric element, an actuator device, a liquid-jet head and a liquid-jet apparatus which exhibit excellent displacement characteristics; the piezoelectric element is configured of a lower electrode, a piezoelectric layer and an upper electrode; and the half-value width of the (100) planes is not larger than 0.2 degrees, and the half-value width of the (200) planes is not smaller than 0.25 degrees, when the face surface of the piezoelectric layer is measured by means of the wide-angle X-ray diffraction method.
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Sumi Koji
Takabe Motoki
Luu Matthew
Seiko Epson Corporation
Solomon Lisa M
Sughrue & Mion, PLLC
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