Planar transformer and method of manufacture

Details Planar transformer and method of manufacture Planar transformer and method of manufacture

1994-11-17

1998-05-19

Spyrou, Cassandra C.

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

H01F 500

Patent

active

057540888

ABSTRACT:
A planar transformer wherein a conformal dielectric epoxy composition is provided on the planes containing the primary and secondary windings to encapsulate the windings and to insulate the windings from the perimeter of each plane to prevent the primary windings from electrically contacting the secondary windings around the edges of the planes. Also, a conformal dielectric epoxy composition separates the plane with the primary windings from the plane with the secondary windings from primary and secondary circuits directly and below windings.

REFERENCES:
patent: 5321380 (1994-06-01), Godek et al.
van der Linde et al., Design of a High-Frequency Planar Power Transformer in Multilayer Technology, IEEE Transactions on Industrial Electronics, vol. 38, No. 2, pp. 135-141 (Apr. 1991).
Patent Abstracts of Japan, vol. 15, No. 29 (E-1026), and JP-A-02 272793 (Asahi Print Kogyo KK) (Jan. 1991).

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