Methods for tailoring magnetism, and structures obtained therefrom

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12027293
APP PUB NO 20230326637A1
SERIAL NO

18209532

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Abstract

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This invention provides methods for fabricating a hard or soft magnet with tailorable magnetic and crystallographic orientations. Methods are disclosed to individually tailor three-dimensional voxels for selected crystallographic orientations and, independently, selected magnetic orientations with location specificity throughout a magnet. Some variations provide a method of making a magnet, comprising: providing a feedstock composition containing magnetic or magnetically susceptible materials; exposing the feedstock composition to an energy source for melting, thereby generating a first melt layer; solidifying the first melt layer in the presence of an externally applied magnetic field, thereby generating a magnetic metal layer containing a plurality of individual voxels; optionally repeating to generate a plurality of solid layers; and recovering a magnet comprising the magnetic metal layer(s), wherein the externally applied magnetic field has a magnetic-field orientation that is selected to control a magnetic axis and a crystallographic texture within the magnetic metal layer(s).

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Patent Owner(s)

Patent OwnerAddress
HRL LABORATORIES LLC3011 MALIBU CANYON ROAD MALIBU CA 90265-4799

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Clough, Eric Santa Monica, US 13 37
Henry, Christopher Thousand Oaks, US 12 3
Laplant, Darby Santa Monica, US 13 3
Schaedler, Tobias Oak Park, US 12 24
Sucich, Amber Calabasas, US 8 2
Yahata, Brennan Santa Barbara, US 29 94

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