Electrical component with conductive path

Details Electrical component with conductive path Electrical component with conductive path

1989-12-04

1990-11-13

Nimmo, Morris H.

Photocopying

Contact printing

Light boxes

174258, 21912165, 21912166, 21912185, G03G 1500, H05K 100, B23K 3100

Patent

active

049705539

ABSTRACT:
A three dimensional electrical component having a first side and a second side formed from an electrically insulating polymer matrix capable of heat conversion to an electrically conducting polymer matrix has at least one passageway from the first side to the second side having a tapered wall slope configuration from the first side to the second side with constantly changing cross section of the passageway from the first side through the passageway to the second side, an electrically conducting path between the first side and the second side formed by the in situ heat conversion of the walls of the passageway in the electrically insulating polymer matrix. In a preferred embodiment the electrically conducting path is formed by directing a laser beam to the walls of the passageway to heat the insulating polymer matrix to a temperature sufficient to convert it to an electrically conducting polymer matrix.

REFERENCES:
patent: 3626143 (1971-12-01), Fry
patent: 4159414 (1979-06-01), Suh et al.
patent: 4286250 (1981-08-01), Sacchetti
patent: 4489230 (1984-12-01), Yamamoto
patent: 4563078 (1986-01-01), Fantuzzo et al.
patent: 4584456 (1986-04-01), Oodaira et al.
patent: 4648179 (1987-03-01), Bhattacharyya et al.
patent: 4691091 (1987-09-01), Lyons et al.
patent: 4764485 (1988-08-01), Loughran et al.
patent: 4841099 (1989-06-01), Epstein et al.
IBM Technical Disclosure Bulletin Publication Entitled "Metal Plating of Pyrolyzate Circuitry", T. F. Saunders et al., vol. 9, #11.

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