Inductance device
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United States of America Patent
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Mar 12, 2002
Grant Date -
N/A
app pub date -
Feb 18, 2000
filing date -
Jun 3, 1999
priority date (Note) -
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Abstract
An inductance device according to the present invention, which is for use in power supply units, is constructed in such a manner that a slit 3 is provided in one side of a polygonal cylindrical ferrite core 1 in the same direction to a hollow portion 2 to form an open magnetic path, and a belt-like conductor 4 is inserted through the hollow portion 2, so as to minimize the dimensions, have an inductance value not more than 1 .mu.H, and hold DC overlapping characteristic flat even if high current flows.
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