Composite winding type stacked-layer inductors including self in

Details Composite winding type stacked-layer inductors including self in Composite winding type stacked-layer inductors including self in

1994-03-07

1996-06-25

Kozma, Thomas J.

Inductor devices

Core forms casing

336180, 336200, 336233, H01F 2730

Patent

active

055304150

ABSTRACT:
A composite winding type inductor having a stacked-layer structure formed by stacking a plurality of sets of electrically conductive strips for forming plural sets of coils alternately with a plurality of electrically insulting members. The electrically conductive strips in each of the sets are connected to the adjacent ones by way of edges of the electrically insulating members to thereby form a coil. A plurality of the coils thus formed turn around substantially a generally common axis. At least two of the plural sets of the electrically conducting strips are stacked in layers in such a manner as to follow spiral paths in the directions apposite to each other. The coils formed by at least two sets of the electrically conductive strips are connected to each other at least at one of a start end portion, an intermediate portion and a terminal end portion of the coil. A method of manufacturing the inductor by stacking the conductor strips and the insulating layers alternately with each other by a printing method, vapor phase method such as evaporation and CVD as well as transformers by combining the inductors.

REFERENCES:
patent: 4313151 (1982-01-01), Vranken
patent: 4313152 (1982-01-01), Vranken
patent: 4322698 (1982-03-01), Takahashi et al.
patent: 4816784 (1989-03-01), Rabjohn

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