Inductive device comprising a toroidal core

Details Inductive device comprising a toroidal core Inductive device comprising a toroidal core

1991-12-10

1993-05-25

Kozma, Thomas J.

Inductor devices

With electric and/or magnetic shielding means

336 90, 336200, 336223, 336229, H01F 1504, H01F 2730

Patent

active

052144038

ABSTRACT:
An inductive device comprises a first winding which is provided on a core and which is composed of electrically conductive segments which are shaped approximately as a U-shaped plate having two substantially parallel end portions of unequal width and a wedge-shaped central portion. The segments are formed as metallized portions of the outer surface of a cap which is made of an electrically insulating material and which is shaped as a ring having a U-shaped cross-section. The segments are electrically isolated from one another by non-metallized strip-shaped portions of the outer surface of the cap. The cap comprises includes metallized pins which constitute connection members for the segments and which are connected to electrical conductors, for example, on a printed circuit board. In conjunction with the segments, the conductors constitute the first winding.

REFERENCES:
patent: 1994767 (1935-03-01), Heintz
patent: 2975386 (1961-03-01), Coy et al.
patent: 3564708 (1971-02-01), Harris
patent: 4536733 (1985-08-01), Shelly
IBM Technical Disclosure Bulletin, vol. 32, No. 4B, Sep. 1989, New York US pp. 323-324; "High Manufacturability, Low Cost Torroidal Inductor".

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