(19)
(11) EP 1 640 893 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 A2)

(48) Corrigendum issued on:
07.06.2006 Bulletin 2006/23

(88) Date of publication A3:
05.04.2006 Bulletin 2006/14

(43) Date of publication:
29.03.2006 Bulletin 2006/13

(21) Application number: 05028729.1

(22) Date of filing: 18.12.2001
(51) International Patent Classification (IPC): 
G06K 19/077(2006.01)
H01Q 7/00(2006.01)
H01Q 1/38(2006.01)
H01Q 9/27(2006.01)
 G06K 19/00(2006.01)
H01Q 7/06(2006.01)
H01Q 1/22(2006.01)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 18.12.2000 JP 2000383102
03.12.2001 JP 2001368241

(62) Application number of the earlier application in accordance with Art. 76 EPC:
01271675.9 / 1347533

(71) Applicant: MITSUBISHI MATERIALS CORPORATION
Chiyoda-ku, Tokyo 100-8117 (JP)

(72) Inventors:
  • Endo, Takanori, c/o Mitsubishi Materials Corp.
    Bunkyo-ku, Tokyo (JP)
  • Yonezawa, Tadashi, c/o Mitsubishi Materials Corp.
    Bunkyo-ku, Tokyo (JP)
  • Yahata, Seiro, c/o Mitsubishi Materials Corp.
    Bunkyo-ku, Tokyo (JP)

(74) Representative: HOFFMANN EITLE 
Patent- und Rechtsanwälte Arabellastrasse 4
81925 München
81925 München (DE)

 
Remarks:
This application was filed on 30 - 12 - 2005 as a divisional application to the application mentioned under INID code 62.
 


(54) Antenna for RFID tag


(57) An antenna for RFID tag which can be mounted directly on the surface of a management object without using a spacer whatever material the surface of the object might be made of. This antenna for RFID tag (34) is electrically connected with an IC chip and mounted on an article (11). The antenna for RFID tag (34) comprises a soft magnetic member (26) formed into a flat plate and mounted on the article (11) at its back and a coil body (14b) fixed directly or with a predetermined spacing on the soft magnetic member, spirally wound and having such a number of turns or a diameter that it has a predetermined characteristics value in the wound state.