The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 04, 1989
Filed:
Mar. 23, 1987
Ludwig Schultz, Bubenreuth, DE;
Siemens Aktiengesellschaft, Berlin & Munich, DE;
Abstract
A permanent-magnet material of a metal/metal/metalloid system is produced in which at least one starting component of the metals in powder form is mixed together with a component in powder form of elemental boron, or a boron compound or alloy, is optionally compacted, and finally subjected to an annealing treatment for forming the permanent-magnet material. In order that a powder of this material system is produced with an extremely fine microstructure, the powder mixture of the starting components is first subjected to a milling process in the manner of mechanical alloying whereby a mixture powder of the at least one metallic starting component with embedded or adsorbed fine particles of the boron component is formed.