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Process of making permanent magnets

  • US 4,297,388 A
  • Filed: 04/08/1980
  • Issued: 10/27/1981
  • Est. Priority Date: 11/06/1978
  • Status: Expired due to Term
First Claim
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1. A process for producing permanent magnet alloy material comprising the steps of:

  • directing a spray of a molten particulate rare earth-cobalt alloy toward a substrate;

    depositing said molten particulate alloy on said substrate; and

    controlling the substrate temperature to a temperature below the crystallization temperature of said alloy during deposition to produce a substantially amorphous state deposition for said alloy.

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