Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1984-05-15
1985-09-17
Budd, Mark O.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310319, 310344, 310356, H01L 4108
Patent
active
045423156
ABSTRACT:
A chip-shaped piezoelectric vibration part provided integrally with capacitors and resistances, which is so constructed that a piezoelectric element including a pair of vibrating electrodes is housed in a tubular casing whose openings at both axial ends are covered by respective caps, both vibrating electrodes being connected with the caps corresponding thereto through conductive connecting materials, the tubular casing being provided with either one or both of the capacitor and resistance, so that the part is small-sized as a whole to enable its integration degree for package to be improved and is easy to handle.
REFERENCES:
patent: 2341683 (1944-02-01), Bailey
patent: 2395034 (1946-02-01), Bokovoy
patent: 2691159 (1954-10-01), Heibel
patent: 3294988 (1966-12-01), Packard
patent: 3969640 (1976-07-01), Staudte
patent: 4145627 (1979-03-01), Ishizawa
patent: 4283650 (1981-08-01), Koyama
Kitajima Houdo
Yamamoto Takashi
Budd Mark O.
Murata Manufacturing Co. Ltd.
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