Ultra-Small Reader/Writer with Multiple Contactless Interfaces on a Flexible Circuit Board

Hideaki YAMAMOTO  Minoru IKEDA  Yasuhiro HOSODA  

Publication
IEICE TRANSACTIONS on Communications   Vol.E92-B   No.9   pp.2992-2995
Publication Date: 2009/09/01
Online ISSN: 1745-1345
DOI: 10.1587/transcom.E92.B.2992
Print ISSN: 0916-8516
Type of Manuscript: LETTER
Category: Integrated Systems for Communications
Keyword: 
contactless IC card,  RFID,  reader/writer,  flexible circuit board,  MEMS oscillator,  

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Summary: 
In order to incorporate the reader/writers (RWs) into mobile electronic devices, miniaturization and flexibility are required. To meet these requirements, we fabricate an ultra-small RW with multiple contactless interfaces by mounting main unit circuits inside the antenna coil and using flexible multi-layer circuit board.