Conductive film magnetic components

Details Conductive film magnetic components Conductive film magnetic components

1989-05-30

1991-05-21

Kozma, Thomas J.

Inductor devices

Core forms casing

336183, 336200, 336226, 336232, H01F 2730

Patent

active

050179020

ABSTRACT:
A conductive film magnetic component such as an inductor or transformer includes a conductive film winding having a generally serpentine configuration when disposed in a plane. This film is folded to form a stack of layers with each "layer" comprising part of a winding turn and with successive "layers" connected at the folds via the continuous conductive film. The conductive film may be self-supporting and coated with a dielectric layer or may be disposed on a dielectric membrane. The film and membrane are preferably patterned photolithographically.

REFERENCES:
patent: 2851765 (1958-09-01), Hanlet
patent: 2921165 (1960-01-01), Clarke
patent: 2943966 (1960-07-01), Leno et al.
patent: 3002260 (1961-10-01), Shortt et al.
patent: 3495327 (1970-02-01), Eisler
patent: 3634632 (1972-01-01), Watson
patent: 4651254 (1987-03-01), Brede et al.
"Printed Circuit Coil", Styles, IBM Technical Disclosure Bulletin, vol. 15, No. 1, 6/72, p. 19, copy in 336-200.

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