Planar transformer

Details Planar transformer Planar transformer

1998-07-14

1999-09-07

Gellner, Michael L.

Inductor devices

Coils of special configuration

Planar type

336200, H01F 500, H01F 2728

Patent

active

059493216

ABSTRACT:
A planar winding assembly includes first and second windings, each winding having an axis and a pair of insulative sheet layers, laminated together, with at least one of each of the pairs of insulative sheets having a hole. Each winding further includes a metal strip conductor that is wound about the axis of its winding and is sealed between the laminated insulative sheet layers. The metal strip conductor has a portion projecting into the hole. The metal strip conductor of the first winding is electrically connected to the metal strip conductor of the second winding through the holes of the insulative sheets.

REFERENCES:
patent: 5202752 (1993-04-01), Honjo
patent: 5386206 (1995-01-01), Iwantani et al.
patent: 5402098 (1995-03-01), Ohta et al.
patent: 5515022 (1996-05-01), Tashiro et al.
Dai, et al., "A Comparative Study of High-Frequency, Low-Profile Planar Transformer Technologies," Proceedings of the Applied Power Electronics Conference: Orlando, Florida (Feb. 15, 1994) pp. 226-232.

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