Piezoelectric vibrating reed having arms with multiple grooves

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United States of America Patent

PATENT NO 8884500
SERIAL NO

13357016

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Abstract

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A piezoelectric vibrating reed includes: a pair of vibrating arm portions arranged in a line; an outer groove portion and an inner groove portion formed on both principal surfaces of the vibrating arm portions so as to extend along the Y direction (longitudinal direction) of the vibrating arm portions; and a base portion to which the pair of vibrating arm portions are connected, in which a plurality of groove portions is formed so as to be arranged in a line in the X direction (width direction) of the vibrating arm portions.

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Patent Owner(s)

  • SII CRYSTAL TECHNOLOGY INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kobayashi, Takashi Chiba, JP 677 7609

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