Method of fabricating a transformer device

Details Method of fabricating a transformer device Method of fabricating a transformer device

2007-08-21

2010-11-30

Kim, Paul D (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S602100, C029S604000, C029S607000, C228S175000, C228S180220, C228S219000, C336S110000, C336S175000, C336S178000, C336S184000, C336S200000, C363S017000, C363S048000, C363S058000, C438S300000

Reexamination Certificate

active

07841070

ABSTRACT:
A planar transformer or balun device, having small trace spacing and high mutual coupling coefficient, and a method of fabricating the same is disclosed. The method may comprise providing a first and a second inductor on a primary and a second substrate respectively, interleaving at least partially the first inductor with the second inductor, coupling the primary and the secondary substrates to form a unitary structure, and providing electrical contacts to couple the first and second inductors with another device or circuit.

REFERENCES:
patent: 6097273 (2000-08-01), Frye et al.
patent: 7091813 (2006-08-01), Liang et al.
patent: 7171739 (2007-02-01), Yang et al.

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