Electricity: electrical systems and devices – Miscellaneous
Patent
1982-10-12
1984-03-13
Kucia, R. R.
Electricity: electrical systems and devices
Miscellaneous
174 685, 427 96, H05K 0118
Patent
active
044371403
ABSTRACT:
A printed circuit device comprises a ceramic base plate and a circuit pattern layer which is constituted of electric conductor layers and insulating layers in alternate laminar stacked arrangement on one surface of the base plate, which layers are formed by alternately printing electrically conductive material and insulating material in predetermined patterns and subjecting the material thus printed to baking. Among the electric conductor layers, at least one layer serves as a wiring or conducting layer. At least two electric conductor layers confronting each other with the insulating layer interposed therebetween constitute a capacitor. Resistors are formed in the circuit pattern layer by printing the material of the resistor on an electrode layer applied beforehand to the surface of the electric conductor layer. Further, when required, circuit elements with lead terminals such as coils are disposed on one side of the base plate with the lead terminals thereof passed through the base plate and the circuit pattern layer to project from the other side, the projected part of the lead terminal being fixed to the opposite side of the base plate.
REFERENCES:
patent: 1647474 (1927-11-01), Seymour
patent: 3317653 (1967-05-01), Layer
patent: 3368116 (1968-02-01), Spaude
patent: 3549784 (1970-12-01), Hargis
patent: 3622384 (1971-11-01), Davey
patent: 3714709 (1973-02-01), Liederbach
patent: 4214212 (1980-07-01), Dipietromaria
patent: 4301324 (1981-11-01), Kumar
Baba Mikito
Kato Hiroshi
Ohyama Sadahiro
Okada Morikazu
Yaguchi Sadao
Handal Anthony H.
Kucia R. R.
Mitsumi Electric Co. Ltd.
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