Magnetic components and their production

Details Magnetic components and their production Magnetic components and their production

1998-12-18

2000-11-21

Barrera, Ray

Inductor devices

Coils of special configuration

Planar type

336200, H01F 2728

Patent

active

061509159

ABSTRACT:
A magnetic component (20) has conductor windings (22a, 22b) surrounded by insulation (21). In addition, the component (20) has a magnetic plate (23a, 23b) on each side. This is applied using conventional PCB process techniques. The magnetic plates enhance the inductance of the component in a manner which may be controlled by setting the configuration of the plates. For example a plate may have a number of isolated sections. Also, the plates on each side may be interconnected by plated through holes to provide a closed core.

REFERENCES:
patent: 3898595 (1975-08-01), Launt
patent: 5552756 (1996-09-01), Ushiro
patent: 5726615 (1998-03-01), Bloom
patent: 5745981 (1998-05-01), Roshen et al.
patent: 5781091 (1998-07-01), Krone et al.
Yamaguchi et al, Characteristics of a Thin Film Microtransformer . . . , IEEE Transactions on Magnetics, vol. 29, No. 5, Sep. 1993.

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