Method of manufacturing thick-film circuit component

Details Method of manufacturing thick-film circuit component Method of manufacturing thick-film circuit component

1994-09-29

1996-04-23

Paschall, Mark H.

Electric heating

Metal heating

By arc

21912185, 219541, 219543, 338195, 338309, B23K 2600

Patent

active

055105947

ABSTRACT:
An electrode of a conductive material containing silver and a thick-film resistor of an electric resistive material containing cermet, which is electrically connected to the electrode, are formed on an electric insulating substrate by printing respectively. Then, the thick-film resistor is directly irradiated with a laser beam to be trimmed, and thereafter a protective film of an electric insulating material containing resin is formed on the insulating substrate by printing, to cover the electrode and the thick-film resistor.

REFERENCES:
patent: 4041440 (1977-08-01), Davis et al.
patent: 4245210 (1981-01-01), Landry et al.
patent: 4634514 (1987-01-01), Nishizawa et al.
patent: 4894258 (1990-01-01), Belanger, Jr.
patent: 5379017 (1995-01-01), Katsuno

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