20250175149. Vibration Element, Man (SEIKO EPSON)
Vibration Element, Manufacturing Method Of Vibration Element, Physical Quantity Sensor, Inertial Measurement Device, Electronic Apparatus, And Vehicle
Abstract: a vibration element includes a base and a vibrating arm extending from the base. the vibrating arm includes an arm positioned between the base and a weight. a weight film is disposed on the weight. the weight has a first principal surface and a second principal surface in a front and back relationship with respect to a center plane of the arm. a center of gravity of the weight is located between the first principal surface and the center plane of the arm. a center of gravity of the weight film is located between the second principal surface and the center plane of the arm.
Inventor(s): Seiichiro OGURA, Keiichi YAMAGUCHI, Masahiro OSHIO, Takashi YAMAZAKI
CPC Classification: H03H9/21 (IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS (measuring, testing ; arrangements for producing a reverberation or echo sound ; impedance networks or resonators consisting of distributed impedances, e.g. of the waveguide type, ; control of amplification, e.g. bandwidth control of amplifiers, ; tuning resonant circuits, e.g. tuning coupled resonant circuits, ; networks for modifying the frequency characteristics of communication systems ))
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