Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Reexamination Certificate
2007-11-13
2007-11-13
Schuberg, Darren (Department: 2834)
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
C310S370000, C029S025350
Reexamination Certificate
active
11258816
ABSTRACT:
A piezoelectric vibrator has a vibrator piece and a frame integral with the vibrator piece. The frame is connected to one end of and surrounds the vibrator piece. A lid has a surface anodically bonded to a first surface of the frame. The lid has a recessed portion at a position disposed opposite to and confronting the vibrator piece. A base has a surface anodically bonded to a second surface of the frame opposite the first surface thereof. The base has a recessed portion at a position disposed opposite to and confronting the vibrator piece. A beveled portion is formed around a surface of one of the lid and the base which does not correspond to the anodically bonded surface thereof.
REFERENCES:
patent: 6407485 (2002-06-01), Aratake
patent: 6504290 (2003-01-01), Aratake et al.
patent: 6606772 (2003-08-01), Nohara et al.
patent: 6924582 (2005-08-01), Shimizu et al.
patent: 2002/0047501 (2002-04-01), Tsuda et al.
patent: 2004/0105347 (2004-06-01), Fujimori et al.
Patent Abstracts of Japan, publication No. 2000-223995, publication date Aug. 11, 2000.
Oouchi Keiichi
Yamane Shuji
Yoshida Susumu
Adams & Wilks
Rosenau Derek
Schuberg Darren
Seiko Instruments Inc.
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