(19)
(11) EP 1 628 337 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 158(3) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
18.10.2006 Bulletin 2006/42

(43) Date of publication:
22.02.2006 Bulletin 2006/08

(21) Application number: 04745284.2

(22) Date of filing: 24.05.2004
(51) International Patent Classification (IPC): 
H01L 21/336(2006.01)
H01L 21/316(2006.01)
H01L 29/78(2006.01)
H01L 21/304(2006.01)
(86) International application number:
PCT/JP2004/007075
(87) International publication number:
WO 2004/105116 (02.12.2004 Gazette 2004/49)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR

(30) Priority: 26.05.2003 JP 2003148275

(71) Applicants:
  • OHMI, Tadahiro
    Sendai-shi, Miyagi 980-0813 (JP)
  • YAZAKI CORPORATION
    Minato-ku Tokyo 108-8333 (JP)

(72) Inventors:
  • Ohmi, Tadahiro
    Sendai-shi, Miyagi 9800813 (JP)
  • Teramoto, Akinobu
    Sendai-shi, Miyagi 9830037 (JP)
  • AKAHORI, Hiroshi
    Yokohama-shi Kanagawa 2410822 (JP)
  • Nii, Keiichi
    Sendai-shi, Miyagi 9820825 (JP)
  • Watanabe, Takanori
    Susono-shi, Shizuoka 4101194 (JP)

(74) Representative: Wenzel & Kalkoff 
Grubesallee 26, Postfach 73 04 66
22124 Hamburg
22124 Hamburg (DE)

   


(54) P-CHANNEL POWER MIS FIELD EFFECT TRANSISTOR AND SWITCHING CIRCUIT


(57) In a P-channel power MIS field effect transistor formed on a silicon surface having substantially a (110) plane, a gate insulation film is used which provides a gate-to-source breakdown voltage of 10 V or more, and planarizes the silicon surface, or contains Kr, Ar, or Xe.