(19)
(11) EP 1 779 438 B8

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

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
21.03.2012 Bulletin 2012/12

(45) Mention of the grant of the patent:
18.01.2012 Bulletin 2012/03

(21) Application number: 05755884.3

(22) Date of filing: 22.06.2005
(51) International Patent Classification (IPC): 
H01L 29/778(2006.01)
 H01L 21/335(2006.01)
(86) International application number:
PCT/JP2005/011891
(87) International publication number:
WO 2006/008925 (26.01.2006 Gazette 2006/04)

(54)

III-V HEMT DEVICES

III-V-HEMT-BAUELEMENTE

DISPOSITIFS A TRANSISTORS HEMT SUR MATERIAUX III-V

(84) Designated Contracting States:
DE FR GB

(30) Priority: 20.07.2004 JP 2004210989

(43) Date of publication of application:
02.05.2007 Bulletin 2007/18

(73) Proprietor: Toyota Jidosha Kabushiki Kaisha
Toyota-shi, Aichi-ken, 471-8571 (JP)

(72) Inventors:
  • Sugimoto, Masahiro; c/o Toyota Jidosha K. K.
    Toyota-shi, Aichi 4718571 (JP)
  • Kachi, Tetsu; c/o K. K. Toyota Chuo Kenkyusho
    Aichi-gun, Aichi 4801192 (JP)
  • Nakano, Yoshitaka; c/o K. K. Toyota Chuo Kenkyusho
    Aichi-gun, Aichi 4801192 (JP)
  • Uesugi, Tsutomu; c/o K. K. Toyota Chuo Kenkyusho
    Aichi-gun, Aichi 4801192 (JP)
  • Ueda, Hiroyuki; c/o K. K. Toyota Chuo Kenkyusho
    Aichi-gun, Aichi 4801192 (JP)
  • Soejima, Narumasa; c/o K. K. Toyota Chuo Kenkyusho
    Aichi-gun, Aichi 4801192 (JP)

(74) Representative: Kuhnen & Wacker 
Patent- und Rechtsanwaltsbüro Prinz-Ludwig-Strasse 40A
85354 Freising
85354 Freising (DE)


(56) References cited: : 
WO-A-01/57929
 US-A1- 2003 173 578
   
  • SU Y-K ET AL: "FLICKER NOISE OF GAN-BASED HETEROSTRUCTURE FIELD-EFFECT TRANSISTORS WITH SI-DOPED ALGAN CARRIER INJECTION LAYER" IEEE ELECTRON DEVICE LETTERS, IEEE INC. NEW YORK, US, vol. 24, no. 10, October 2003 (2003-10), pages 622-624, XP001175117 ISSN: 0741-3106
  • PATENT ABSTRACTS OF JAPAN vol. 2003, no. 06, 3 June 2003 (2003-06-03) -& JP 2003 059946 A (FURUKAWA ELECTRIC CO LTD:THE), 28 February 2003 (2003-02-28) cited in the application
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).