Title:
LOW DIELECTRIC CONSTANT SPACER, LOW DIELECTRIC CONSTANT SPACER UNIT, RADIO TAG DEVICE AND RADIO TAG SYSTEM
Document Type and Number:
Japanese Patent JP2007241788
Kind Code:
A
Abstract:
To provide a radio tag 10 for communicating electric waves mainly in the UHF band and the SHF band and to improve the electric waves regardless of the kind of a subject to which the tag is stuck.
A radio tag device is provided having an RFID tag 10 in the form of a sheet film, a foamed resin body 20 located on the bottom face of the RFID tag 10, and an adhesive layer 30 located on the bottom face of the foamed resin body 20. Thus, even if a disk 60 with the RFID tag 10 stuck thereto contains metal or if the disk 60 is made of metal, most of the electric waves 50 from the RFID tag 10 are not directed toward the disk 60.
COPYRIGHT: (C)2007,JPO&INPIT
Inventors:
SAKAGUCHI ISAO
TAKAHASHI HIDE
TAKAHASHI HIDE
Application Number:
JP2006065181A
Publication Date:
September 20, 2007
Filing Date:
March 10, 2006
Export Citation:
Assignee:
IC BRAINS CO LTD
International Classes:
G06K19/07; G06K19/077; H04B1/59; H04B5/02
Attorney, Agent or Firm:
Masao Sawada