Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1995-02-13
1996-07-02
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310344, 310321, 310333, 310365, H03H 902, H01L 4108
Patent
active
055325424
ABSTRACT:
An energy-trap chip-type piezoelectric resonance component has a resonance part defined by first and second resonance electrodes which are formed on a pair of opposite surfaces of a piezoelectric plate so that vibrational energy of the resonance part is partially trapped, and first and second holding plates which are bonded to both sides of the pair of opposite surfaces through adhesive layers, and the adhesive layers are applied onto regions other than that provided with the resonance part for allowing vibration of the resonance part, while the same contain granular solids.
REFERENCES:
patent: 4293986 (1981-10-01), Kobayashi et al.
patent: 4666547 (1987-05-01), Snowden et al.
patent: 4779020 (1988-10-01), Konno et al.
patent: 5218259 (1993-06-01), Dam et al.
patent: 5357662 (1994-10-01), Takagi et al.
patent: 5442251 (1995-08-01), Kaidu et al.
Wajima Masaya
Yoshida Ryuhei
Dougherty Thomas M.
Murata Manufacturing Co. Ltd.
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