US2020107479A1PendingUtilityA1

Metal magnetic film and magnetic sheet

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Assignee: TDK CORPPriority: Sep 27, 2018Filed: Sep 27, 2018Published: Apr 2, 2020
Est. expirySep 27, 2038(~12.1 yrs left)· nominal 20-yr term from priority
Inventors:Takashi YamadaMiyuki YanagidaAtsushi SatoKenichi Kawabata
H05K 9/0088H05K 9/0083C25D 7/001C25D 3/562H01F 10/005H05K 9/0075H01F 41/14H01F 10/14H01F 10/16H05K 9/0084H01F 41/26H01F 41/24H01F 10/12
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Claims

Abstract

A metal magnetic film includes a permalloy and a carbon atom, wherein a content of the carbon atom is 0.3 to 3.0 at % based on a total amount of the carbon atom and metal elements.

Claims

exact text as granted — not AI-modified
1 . A metal magnetic film comprising:
 a permalloy; and   carbon atoms, wherein:   a content of the carbon atoms is 0.3 to 3.0 at % based on a total amount of the carbon atoms and metal elements; and   the metal magnetic film is a plated film produced by a plating process.   
     
     
         2 . A magnetic sheet comprising:
 a support; and   the metal magnetic film according to  claim 1  plated on the support,   wherein a thickness of the metal magnetic film is 1 to 10 μm.   
     
     
         3 . The magnetic sheet according to  claim 2 , wherein the support comprises a non-magnetic metal layer, and a resin layer provided on a surface of the non-magnetic metal layer on an opposite side to the metal magnetic film. 
     
     
         4 . The magnetic sheet according to  claim 2 , wherein the magnetic sheet is a noise suppression sheet.

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