Coil module

Details Coil module Coil module

2011-08-30

2011-08-30

Mai, Anh T (Department: 2832)

Inductor devices

Coils of special configuration

Toroidal

C336S213000, C336S221000, C336S222000, C029S605000

Reexamination Certificate

active

08009009

ABSTRACT:
A coil module comprises a circular core and a winding is provided. The circular core comprises an outer circular portion and an inner circular portion. The winding is wound around the outer circular portion in a single-layer configuration and around the inner circular portion in a multi-layer configuration. The coil module comprises a first thickness after the winding is wound around the outer circular portion and comprises a second thickness after the winding is wound around the inner circular portion, wherein the first thickness is greater than or equal to the second thickness.

REFERENCES:
patent: 3214912 (1965-11-01), Gabriel et al.
patent: 3448421 (1969-06-01), Berg
patent: 3665597 (1972-05-01), Tan et al.
patent: 6879237 (2005-04-01), Viarouge et al.
patent: 7154368 (2006-12-01), Sweeney et al.
patent: 2004/0172806 (2004-09-01), Yoshimori
patent: 2009/0051478 (2009-02-01), Lee et al.

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