Optical: systems and elements – Protection from moisture or foreign particle – Fluid directed across optical element
Patent
1990-09-14
1992-11-24
Bovernick, Rodney B.
Optical: systems and elements
Protection from moisture or foreign particle
Fluid directed across optical element
359507, 310365, G03B 1104, H01L 4108
Patent
active
051668254
ABSTRACT:
A power supply device adapted to supply power to a pair of electrodes formed on opposite end surfaces of an ultrasonic vibrator. The device has a circuit layer arranged on a flexible base. The circuit layer has a pair of supply electrodes arranged at its one longitudinal end and a pair of end connections arranged at the other longitudinal end. A pair of conductive layers electrically connect the supply electrodes and the end connections, respectively. Each supply electrode has an inner surface of substantially the same shape as the end surface of the ultrasonic vibrator, the inner surface being joined electrically and mechanically with the electrode of the ultrasonic vibrator. The flexible base has an electrode base covering an entire outer surface of each of the supply electrodes, and a circuit base holding the conductive layers. A shield layer may be disposed on the flexible base in order to screen electromagnetic radiation from the circuit layer.
REFERENCES:
patent: 4701659 (1987-10-01), Fujii et al.
patent: 4833373 (1989-05-01), Doi et al.
patent: 4920296 (1990-04-01), Takahashi et al.
patent: 4929072 (1990-05-01), Fujie et al.
patent: 5007722 (1991-04-01), Hori et al.
patent: 5025187 (1991-06-01), Fujii et al.
Fujie Naofumi
Imaizumi Tomoaki
Ito Koji
Kawai Taneichi
Aisin Seiki Kabushiki Kaisha
Bovernick Rodney B.
Nguyen Thong
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