Printed circuit coils

Details Printed circuit coils Printed circuit coils

1977-01-31

1978-02-21

Kozma, Thomas J.

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

336223, 336232, H01F 2728

Patent

active

040755916

ABSTRACT:
The conducting path width of a spiral printed circuit coil is reduced for the inside of the spiral coil to obtain more inductance in the same space without substantial sacrifice in Q. In another form of spiral coil with non-constant path width, the path width is reduced in a sector of the coil located between the inner and outer terminals to reduce the distance between terminals with minimum sacrifice in inductance or Q.

REFERENCES:
patent: 854774 (1907-05-01), Taylor
patent: 1647474 (1927-11-01), Seymour
patent: 2604519 (1952-07-01), Mackereth
patent: 2735979 (1956-02-01), Cohen
patent: 3210706 (1965-10-01), Book
patent: 3688232 (1972-08-01), Szatmari

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