Inductor devices – Core
Reexamination Certificate
2007-10-30
2007-10-30
Nguyen, Tuyen T. (Department: 2832)
Inductor devices
Core
C336S234000
Reexamination Certificate
active
11056362
ABSTRACT:
A bulk amorphous metal inductive device includes a magnetic core having at least one low-loss bulk ferromagnetic amorphous metal magnetic component forming a magnetic circuit having an air therein. The component has a plurality of similarly shaped layers of amorphous metal strips bonded together to form a polyhedrally shaped part. The device has one or more electrical windings and is easily customized for specialized magnetic applications, e.g. for use as a transformer or inductor in power conditioning electronic circuitry employing switch-mode circuit topologies and switching frequencies ranging from 1 kHz to 200 kHz or more. The low core losses of the device, e.g. a loss of at most about 12 W/kg when excited at a frequency of 5 kHz to a peak induction level of 0.3 T, make it especially useful at frequencies of 1 kHz or more.
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Decristofaro Nicholas J.
Fish Gordon E.
Hasegawa Ryusuke
Kroger Carl E.
Lindquist Scott M.
Metglas Inc.
Nguyen Tuyen T.
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