Magnetic element

Details Magnetic element Magnetic element

2007-08-21

2007-08-21

Mai, Anh (Department: 2832)

Inductor devices

Plural part core

C336S182000

Reexamination Certificate

active

11426637

ABSTRACT:
A magnetic element including coils; a first core and a second core each of which has a planar plate portion, outer leg portions and a middle leg portion which is inserted into aforesaid coil; and an intermediate core to form a closed magnetic circuit which is disposed between the aforesaid first core and the aforesaid second core in a manner connecting integrally with the aforesaid first core and aforesaid second core. In addition, the magnetic element is made into a configuration that has relations of S1≦S3and also S1≦S2when a cross-sectional area of the middle leg portion of the aforesaid first core is S1, a cross-sectional area of the aforesaid intermediate core is S2and a cross-sectional area of the middle leg portion of the aforesaid second core is S3.

REFERENCES:
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patent: 5747981 (1998-05-01), Callanan
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patent: 6734775 (2004-05-01), Chung
patent: 6967553 (2005-11-01), Jitaru
patent: 2002/0067237 (2002-06-01), Nakata et al.
patent: 2006/0091989 (2006-05-01), Vinciarelli et al.

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