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Paper Abstract and Keywords
Presentation 2014-04-25 13:25
A simplified method of permeability evaluation for ferrite sheet used in inductive power transfer
Naoki Inagaki (NIT), Takumi Nagaya, Yasuyuki Okumura, Katsuyuki Fujii (Nanzan U), Takanobu Tabata, Satoshi Hori (Kojima Industries Corp.)
Abstract (in Japanese) (See Japanese page) 
(in English) The measurement of ferrite permeability has conventionally been conducted for a material formed in toroidal shape. This method needs the destructive and tedious reforming for the ferrite sheet, and no data has been reported in the frequency range of inductive power transfer. This article reports a simple and non-destructive measurement method of ferrite sheet permeability applicable in LF band, which is accomplished by measurement and simulation of reactance for a coil placed on a multi-layer of the ferrite sheet and a conducting ground. The possibilities and the limitations are discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Ferrite sheet / permeability measurement / inductive power transfer / coil reactance / / / /  
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Conference Information
Committee AP  
Conference Date 2014-04-25 - 2014-04-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Aoba Memorial Hall (Sendai) 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Measurement Technique of Radio Equipment and Antenna Systems 
Paper Information
Registration To AP 
Conference Code 2014-04-AP 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A simplified method of permeability evaluation for ferrite sheet used in inductive power transfer 
Sub Title (in English)  
Keyword(1) Ferrite sheet  
Keyword(2) permeability measurement  
Keyword(3) inductive power transfer  
Keyword(4) coil reactance  
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1st Author's Name Naoki Inagaki  
1st Author's Affiliation Nagoya Institute of Technology (NIT)
2nd Author's Name Takumi Nagaya  
2nd Author's Affiliation Nanzan University (Nanzan U)
3rd Author's Name Yasuyuki Okumura  
3rd Author's Affiliation Nanzan University (Nanzan U)
4th Author's Name Katsuyuki Fujii  
4th Author's Affiliation Nanzan University (Nanzan U)
5th Author's Name Takanobu Tabata  
5th Author's Affiliation Kojima Industries Corporation (Kojima Industries Corp.)
6th Author's Name Satoshi Hori  
6th Author's Affiliation Kojima Industries Corporation (Kojima Industries Corp.)
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Speaker Author-1 
Date Time 2014-04-25 13:25:00 
Presentation Time 25 minutes 
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