(19)
(11) EP 0 828 313 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.10.1998 Bulletin 1998/41

(43) Date of publication A2:
11.03.1998 Bulletin 1998/11

(21) Application number: 96308050.2

(22) Date of filing: 06.11.1996
(51) International Patent Classification (IPC)6: H01Q 17/00
(84) Designated Contracting States:
DE GB SE

(30) Priority: 05.09.1996 JP 283395/96

(71) Applicant: Ten Kabushiki Kaisha
Nagoya-shi, Aichi-ken (JP)

(72) Inventors:
  • Noda, Kenichi
    Nagoya-shi, Aichi-ken (JP)
  • Sakurai, Takashi
    Seto-shi, Aichi-ken (JP)

(74) Representative: Greenwood, John David et al
Graham Watt & Co. Riverhead
Sevenoaks Kent TN13 2BN
Sevenoaks Kent TN13 2BN (GB)

   


(54) Electromagnetic-wave absorber


(57) An electromagnetic-wave absorber (1) which can efficiently absorb the electromagnetic wave over broad band, with a reduced thickness and weight, which is superior in workability for attachment comprising a first ferrite sheet (3) of the predetermined thickness attached with a metal plate (15) for reflecting electromagnetic-wave on the back thereof, a second ferrite sheet (5) which has the thickness thinner than that of said first ferrite sheet (3) and is located in the front of said first ferrite sheet (3) and a dielectric means (7) which has the predetermined thickness and is located between said first and second ferrite sheets (3,5).






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