Method of manufacturing a motor comprising a rare earth...

Details Method of manufacturing a motor comprising a rare earth... Method of manufacturing a motor comprising a rare earth...

2005-09-13

2005-09-13

Arbes, Carl J. (Department: 3729)

Metal working

Method of mechanical manufacture

Electrical device making

C029S598000, C029S607000, C029S609000, C148S100000, C335S284000, C427S128000

Reexamination Certificate

active

06941637

ABSTRACT:
The method of manufacturing rare earth thick film magnet comprising a step of forming an alloy layer of 30-100 μm thick having a general formula RXBYTMZon a substrate by a physical deposition process, and a step of heat-treating the alloy layer to form a thick film magnetic layer having R2TM14B phase as a main phase. In the general formula, R is at least one of rare earth elements, B is boron, TM is iron or its alloy partly substituted by cobalt. X is 0.1-0.2, Y is 0.05-0.2 and Z=1-X-Y. Further, the method of the present invention includes a step of laminating a plurality of alloy layers formed on a substrate together with the substrate. A motor comprising rare earth thick film magnet of the present invention is extremely small while obtaining high output.

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