Crystal unit for surface mounting having pillow members with...

Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices

Reexamination Certificate

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C331S158000

Reexamination Certificate

active

07969071

ABSTRACT:
The crystal unit for surface mounting includes a container body having a recess, a pair of holding terminals formed on an inner bottom surface of the recess and a crystal blank provided with excitation electrodes on both principal surfaces thereof, having a first end and a second end with lead-out electrodes extending from the excitation electrodes toward both sides of the first end. Both sides of the first end are fixed to the holding terminals using a conductive adhesive. Pillow members protruding from the inner bottom surface are provided on the inner bottom surface of the recess at positions corresponding to corners on both sides of the second end. A bank having a height lower than a height of the pillow members is provided on the inner bottom surface of the recess at an intermediate position between the pair of pillow members.

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Office Action for Japanese Patent Application No. 2007-313211 dispatched Jun. 8, 2010 with partial English translation.

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