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Fabrication of Molded Magnetic ArticleA molded magnetic article and fabrication method are provided. Particles of ferromagnetic material embedded in a polymer binder are molded under heat and pressure into a geometric shape. Each particle is an oblate spheroid having a radius-to-thickness aspect ratio approximately in the range of 15-30. Each oblate spheroid has flattened poles that are substantially in perpendicular alignment to a direction of the molding pressure throughout the geometric shape.
Document ID
20010056401
Acquisition Source
Langley Research Center
Document Type
Other - Patent
External Source(s)
LAR-15463-2-SB
Authors
Robert G Bryant
(Langley Research Center Hampton, United States)
Min Namkung
(Langley Research Center Hampton, United States)
Russell A Wincheski
(Langley Research Center Hampton, United States)
Robert L Fox
(Langley Research Center Hampton, United States)
Date Acquired
August 20, 2013
Publication Date
February 20, 2001
Publication Information
Publisher: United States Patent and Trademark Office
Subject Category
Engineering (General)
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Patent
US-Patent-6,190,589
Patent Application
US-Patent-Appl-SN-504767|US-Patent-Appl-SN-015154|US-Patent-Appl-SN-846505
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