Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1997-05-09
1998-10-20
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
310340, 310348, 310366, H03H 917, H01L 4108
Patent
active
058251200
ABSTRACT:
An electronic component suppresses stray capacitance and exhibits a high electromagnetic shielding effect, and eliminates flowing of a conductive agent into inappropriate areas and occurrence of a poor electrical connection. Electronic-component devices are mounted on an insulating substrate having input and output electrodes and a ground electrode. Then, a metallic cap is bonded and sealed onto the substrate via an insulating layer to cover the electronic-component devices. A conductive layer connected to the ground electrode is disposed on part of the cap-mounting portion of the substrate and positioned at a level higher than the insulating layer so that the metallic cap is electrically connected via the conductive layer to the ground electrode.
REFERENCES:
patent: 4110655 (1978-08-01), Hata et al.
patent: 4266156 (1981-05-01), Kizaki
patent: 4705981 (1987-11-01), Inoue et al.
patent: 5696422 (1997-12-01), Hanson et al.
Higuchi Masato
Maesaka Michinobu
Tatsumi Tetsuo
Dougherty Thomas M.
Murata Manufacturing Co. Ltd.
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