Foil-roll electronic part

Details Foil-roll electronic part Foil-roll electronic part

1988-01-13

1990-02-27

Kozma, Thomas J.

Inductor devices

With coil capacitance modifying means

29605, 333185, 336192, 336208, 336221, 336223, 361307, H01F 1510, H01F 1514

Patent

active

049049739

ABSTRACT:
A foil-roll electronic part and a process of producing the same. The part produced in this process includes: a lead frame having a plurality of leads; at least a belt-shaped conductive foil connected at one end or thereabout to a given lead of the lead frame and connected at the other end or thereabout or the intermediate portion thereof to the other lead; and at least two insulating films interposed between the belt-shaped conductive foils; whereby the electric part is formed by rolling the belt-shaped conductive foils and the insulating films on the lead frame as being a spool. According to this invention, the foil-roll electronic part wherein lead intervals can be accurately positioned, the production thereof is suitable for the bulk production, the electronic part is excellent in electric characteristics and easily, actually mounted on a printed circuit board.

REFERENCES:
patent: 2706280 (1955-04-01), Guzzo
patent: 3067497 (1962-12-01), Zack
patent: 3153180 (1964-10-01), Bellmone
patent: 3688232 (1972-08-01), Szatmani
patent: 3775720 (1973-11-01), Winn
patent: 3894270 (1975-07-01), Manske
patent: 4166285 (1979-08-01), Bauer et al.

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