Method for controlling electric resistance of a compound-type re

Details Method for controlling electric resistance of a compound-type re Method for controlling electric resistance of a compound-type re

1987-01-07

1988-11-15

Albritton, C. L.

Electric heating

Metal heating

By arc

29846, 338195, B23K 2600

Patent

active

047851570

ABSTRACT:
A method for controlling electric resistance of a compound-type resistant material is disclosed in which a laser beam is irradiated on a compound-type resistant material so as to cause a change in its chemical state whereby the specific resistance inherent to the compound-type resistant material is varied thereby to change its electric resistance in an appropriate manner. If necessary, a portion of the resistant material may be cut away by irradiation of a laser beam so as to further control the resistance value of the resistant material in an increasing sense.

REFERENCES:
patent: 3056881 (1962-10-01), Schwarz
patent: 3889272 (1975-06-01), Lou et al.
patent: 4146673 (1979-03-01), Headley
patent: 4242152 (1980-12-01), Stone
patent: 4395436 (1983-07-01), Bianchi et al.
patent: 4489230 (1984-12-01), Yamamoto
"Handbook of Thick film Technology", Holmes et al., Electrochemical Publications Limited, 1976.

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