Pyrolytic process for producing a band-shaped metal layer on a s

Details Pyrolytic process for producing a band-shaped metal layer on a s Pyrolytic process for producing a band-shaped metal layer on a s

1975-10-22

1977-08-16

Esposito, Michael F.

Metal founding

Process

Disposition of a gaseous or projected particulate molten...

164131, 164132, 427 43, 427 53, 427102, 427103, 427250, 427252, 427255, 427261, 427265, 427266, 427287, 427107, 427237, 338300, 338309, B22D 2300, B05D 302, B05D 306

Patent

active

040420060

ABSTRACT:
A band-shaped metal layer useful as a resistance layer and/or a contact layer is pyrolytically deposited onto a cylindrical substrate by surrounding the surface of the substrate with a mixture of a thermally decomposable metal compound and a carrier therefor and substantially simultaneously heating only precise surface areas of the substrate, as by a laser beam, to a temperature slightly above the thermal decomposition temperature of the metal compound and moving the substrate in a rotational and/or axial manner so that a band-shaped metal layer forms only at the heated surface areas of the substrate.

REFERENCES:
patent: 2178419 (1939-10-01), Clark
patent: 2891880 (1959-06-01), Nakken
patent: 3061464 (1962-10-01), Norman
patent: 3061465 (1962-10-01), Norman
patent: 3256109 (1966-06-01), Berger
patent: 3293587 (1966-12-01), Robinson
patent: 3419487 (1968-12-01), Robbins
patent: 3516855 (1970-06-01), Goll
patent: 3531318 (1970-09-01), Booth
patent: 3560258 (1971-02-01), Brisbane
patent: 3562009 (1971-02-01), Cranston
patent: 3729335 (1973-04-01), Domrachev
Potts et al., IBM Tech. Dis. Bulletin, "Laser Induced Evaporation," vol. 8, No. 2, (7-1965) p. 285.

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