Title:
ANTENNA COIL STRUCTURE FOR IC CARD, PROCESS FOR PRODUCING THE SAME, AND EQUIPPED THEREWITH, INLET SHEET AND IC CARD
Document Type and Number:
WIPO Patent Application WO/2007/060849
Kind Code:
A1
Abstract:
An IC card that is thin and excels in designability; an inlet sheet for obtaining
the IC card; and an antenna coil structure for IC card employed for obtaining the
inlet sheet. Antenna coil structure (10) for IC card comprises resinous base
material sheet (11), an adhesive layer superimposed on a surface of the base material
sheet (11) and metal-foil-containing antenna circuit pattern layer (13) fixed
via the adhesive layer to the base material sheet (11). The adhesive layer includes
first adhesive layer (12a) disposed on its side of the base material sheet (11)
and second adhesive layer (12b) disposed on its side of the antenna circuit pattern
layer (13). The second adhesive layer (12b) contains 20 mass% or more of the same
type of organic compound resin as contained in cover sheet (30) formed on the base
material sheet (11) so as to cover the antenna circuit pattern layer (13).
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Inventors:
WATANABE MASATERU (JP)
EGASHIRA KIYOJI (JP)
KOMIYA KAZUKI (JP)
SHINGU AKIRA (JP)
SAKAMOTO HIROYUKI (JP)
EGASHIRA KIYOJI (JP)
KOMIYA KAZUKI (JP)
SHINGU AKIRA (JP)
SAKAMOTO HIROYUKI (JP)
Application Number:
PCT/JP2006/322523
Publication Date:
May 31, 2007
Filing Date:
November 13, 2006
Export Citation:
Assignee:
TOYO ALUMINIUM KK (JP)
WATANABE MASATERU (JP)
EGASHIRA KIYOJI (JP)
KOMIYA KAZUKI (JP)
SHINGU AKIRA (JP)
SAKAMOTO HIROYUKI (JP)
WATANABE MASATERU (JP)
EGASHIRA KIYOJI (JP)
KOMIYA KAZUKI (JP)
SHINGU AKIRA (JP)
SAKAMOTO HIROYUKI (JP)
International Classes:
G06K19/077; B32B3/14; G06K19/07; H01Q1/38; H01Q7/00
Foreign References:
| JP2002157564A | 2002-05-31 | |||
| JP2004046360A | 2004-02-12 |
Attorney, Agent or Firm:
KODA, Kazuyuki (Yao-minami Garden Terrace 84-2, Wakabayashi-cho 1-chom, Yao-shi Osaka 38, JP)
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