IPIQ

ELECTRICITY

H01

ELECTRIC ELEMENTS

H01F

MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES

1/00

Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties

H01F1/01

of inorganic materials

H01F1/03

characterised by their coercivity

H01F1/032

of hard-magnetic materials

H01F1/04

metals or alloys

H01F1/047

Alloys characterised by their composition

H01F1/053

containing rare earth metals

H01F1/055

and magnetic transition metals, e.g. SmCo5

H01F1/057

and IIIa elements, e.g. Nd2Fe14B

H01F1/0571

in the form of particles, e.g. rapid quenched powders or ribbon flakes

H01F1/0572

with a protective layer