Process of producing a foil-roll electronic part

Details Process of producing a foil-roll electronic part Process of producing a foil-roll electronic part

1989-02-13

1990-03-20

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

29 2542, 29605, 242 711, 242 703, H01R 4300

Patent

active

049089340

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: 3153180 (1964-10-01), Bellmore
patent: 3539886 (1970-11-01), Kellerman
patent: 3771086 (1973-11-01), Poulsen
patent: 4166285 (1979-08-01), Bauer et al.

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