Magnetic core based on a nanocrystalline magnetic alloy

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United States of America

PATENT NO 11264156
APP PUB NO 20160196908A1
SERIAL NO

14591491

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Abstract

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A magnetic core includes a nanocrystalline alloy ribbon having a composition represented by FeCuxBySizAaXb, where 0.6≤x<1.2, 10≤y≤20, 0≤(y+z)≤24, and 0≤a≤10, 0≤b≤5, all numbers being in atomic percent, with the balance being Fe and incidental impurities, and where A is an optional inclusion of at least one element selected from Ni, Mn, Co, V, Cr, Ti, Zr, Nb, Mo, Hf, Ta and W, and X is an optional inclusion of at least one element selected from Re, Y, Zn, As, In, Sn, and rare earth elements. The nanocrylstalline alloy ribbon has a local structure such that nanocrystals with average particle sizes of less than 40 nm are dispersed in an amorphous matrix and are occupying more than 30 volume percent of the ribbon.

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Patent Owner(s)

Patent OwnerAddress
HITACHI METALS LTDMINATO-KU TOKYO 108-8224
METGLAS INC440 ALLIED DRIVE CONWAY SC 29526

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Ito, Naoki Myrtle Beach, US 284 2331
Ohta, Motoki Conway, US 35 254

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