Manufacturing method for a resistance element

Details Manufacturing method for a resistance element Manufacturing method for a resistance element

1982-09-30

1984-12-18

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LF, 338195, B23K 2700

Patent

active

044892306

ABSTRACT:
A resistance element manufacturing method which forms on the surface of an electrically insulating base layer including an organic material to be carbonized by irradiation of a laser beam a laser beam transmitting electrically insulating film not carbonized by the irradiation of the laser beam, and irradiates the laser beam on the base layer through the film from one side thereof, thereby carbonizing the irradiated portion of the base layer to form a resistance layer.

REFERENCES:
patent: 4190759 (1980-02-01), Hongo et al.
patent: 4286250 (1981-08-01), Sacchetti
patent: 4298855 (1981-11-01), Mills

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