Fractional turns transformers with ferrite polymer core

Details Fractional turns transformers with ferrite polymer core Fractional turns transformers with ferrite polymer core

2011-03-29

2011-03-29

Mai, Anh T (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S020000, C336S223000, C336S232000

Reexamination Certificate

active

07915991

ABSTRACT:
Conventional transformers with fractional turns have pre-manufactured cores usually with a complicated structure. According to the present invention, a method is provided of manufacturing a planar transformer where a ferrite polymer compound is laminated to a PCB for forming the core of the transformer. Advantageously, this may allow for the provision of a cheap and robust transformer.

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S. Chandrasekaran et al.: “A new Matrix Integrated Magnetics (MIN) Structure . . . ”; Proceedings of the 33rdPower Specialist Conference (TISC) 2002; Caims Australia IIII; Publication No. 10875; pp. 1230-1235.

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