US Patent 7806991 Low loss magnet and magnetic circuit using the same
Patent 7806991 was granted and assigned to Hitachi on October, 2010 by the United States Patent and Trademark Office.
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Patent abstract
A lamellar high resistance layer having resistivity ten times or higher than that of a mother phase containing iron or cobalt is formed and an oxygen content is controlled to 10 to 10000 ppm so that the reliability and residual magnetic flux density are increased.
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US Patent 07806991 Low loss magnet and magnetic circuit using the same US Patent 7806991 Low loss magnet and magnetic circuit using the same
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Patent Number
0780699100
Patent Number
780699100
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Official Website
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078069910
Date of Patent
October 5, 2010
0Patent Application Number
116417650
Date Filed
December 20, 2006
0Official Website
Patent Primary Examiner
Edits on 25 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
078069910
Date of Patent
October 5, 2010
0Patent Application Number
116417650
Date Filed
December 20, 2006
0Official Website
Patent Primary Examiner
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US Patent 07806991 Low loss magnet and magnetic circuit using the same
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07806991
Date of patent
October 5, 2010
Patent application number
11641765
Date Filed
December 20, 2006
Patent primary examiner
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