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Paper Abstract and Keywords
Presentation 2018-05-30 15:00
Magnetic field distribution characteristic of linearly aligned magnetic material-loaded solenoid array
Yoshihiro Nakamura, Keizo Cho (Chiba Inst. of Tech.)
Abstract (in Japanese) (See Japanese page) 
(in English) Due to the demand of miniaturization and high functionality for mobile terminals, miniaturization of a near field communication (NFC) antenna is also required. Small solenoid whose diameter is about 1mm has been proposed for the NFC antenna. However, the communicable range of the antenna is limited due to its small size. We are investigating the expansion of communicable distance by using multiple small solenoids as a solution of increasing the antenna size with maintaining the flexibility of the antenna placement. This study reports the results of analyzing the influence on the magnetic field strength by the magnetic material and the feed condition when two solenoids are arranged on a straight line. It is shown that the feed excitation direction increasing the magnetic field strength depends on the magnetic material loading condition. It is also shown that the appropriate spacing between the solenoids that increases the magnetic field strength depends on the distance from the solenoid.
Keyword (in Japanese) (See Japanese page) 
(in English) Solenoid array / Linearly aligned / Excitation direction / / / / /  
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Conference Information
Committee AP  
Conference Date 2018-05-30 - 2018-05-31 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Da nang, University of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) 2018 Vietnam-Japan International Symposium on Antennas and Propagation 
Paper Information
Registration To AP 
Conference Code 2018-05-AP 
Language English 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Magnetic field distribution characteristic of linearly aligned magnetic material-loaded solenoid array 
Sub Title (in English)  
Keyword(1) Solenoid array  
Keyword(2) Linearly aligned  
Keyword(3) Excitation direction  
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1st Author's Name Yoshihiro Nakamura  
1st Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
2nd Author's Name Keizo Cho  
2nd Author's Affiliation Chiba Institute of Technology (Chiba Inst. of Tech.)
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Date Time 2018-05-30 15:00:00 
Presentation Time 20 minutes 
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