Inductor devices – Plural part core
Reexamination Certificate
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.
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Mai Anh
Sonnenschein Nath & Rosenthal LLP
Sumida Electric Co., Ltd.
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