Piezoelectric device, liquid discharge head employing this...

Details Piezoelectric device, liquid discharge head employing this... Piezoelectric device, liquid discharge head employing this...

2007-12-18

2007-12-18

Budd, Mark (Department: 2834)

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

C310S331000

Reexamination Certificate

active

11564643

ABSTRACT:
A piezoelectric device includes a piezoelectric member and a pair of electrodes, and for piezoelectric constants d33and d31of the piezoelectric member, the following relational expression (I) is established:in-line-formulae description="In-line Formulae" end="lead"?0.1≦|d33/d31|≦1.8.   (I)in-line-formulae description="In-line Formulae" end="tail"?

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