US Patent 7425239 Fe-based amorphous alloy ribbon
Patent 7425239 was granted and assigned to Hitachi on September, 2008 by the United States Patent and Trademark Office.
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Patent abstract
An Fe-based amorphous alloy ribbon having a composition comprising FeaSibBcCd and inevitable impurities, wherein a is 80 to 83 atomic %, b is 0.1 to 5 atomic %, c is 14 to 18 atomic %, and d is 0.01 to 3 atomic %, the concentration distribution of C measured radially from both surfaces to the inside of said Fe-based amorphous alloy ribbon having a peak within a depth of 2 to 20 nm.
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US Patent 07425239 Fe-based amorphous alloy ribbon US Patent 7425239 Fe-based amorphous alloy ribbon
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Patent Number
0742523900
Patent Number
742523900
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074252390
Date of Patent
September 16, 2008
0Patent Application Number
110593030
Date Filed
February 17, 2005
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
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Infobox
Is a
Current Assignee
Patent Jurisdiction
Patent Number
074252390
Date of Patent
September 16, 2008
0Patent Application Number
110593030
Date Filed
February 17, 2005
0Official Website
Patent Primary Examiner
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US Patent 07425239 Fe-based amorphous alloy ribbon
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07425239
Date of patent
September 16, 2008
Patent application number
11059303
Date Filed
February 17, 2005
Patent primary examiner
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