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US 6,473,024 B2Granted
Electromagnetic wave absorber
AssigneeSony Corporation
InventorsJunichi Toyoda, Katsumi Okayama, Sakan Iwashita
Life of this patent
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Abstract
An electromagnetic wave absorber including a mixture comprising a magnetic material particle and a binding material. The magnetic material includes a nucleus of an organic material and a magnetic material film is formed on a surface of the nucleus.
Claims13
An electromagnetic wave absorber including
- a mixture comprising a magnetic material particle and a binding material,
- wherein the magnetic material particle includes a nucleus made of an organic material and a magnetic material film formed on a surface of the nucleus.
A method of manufacturing an electromagnetic wave absorber comprising the steps of:
- forming an organic material into a predetermined shape;
- and
- plating a magnetic material film on the surface of the organic material to form a magnetic material particle, such that the magnetic material particle is a shape approximately the same as the predetermined shape.
Dependencies are inferred from the claim text.