(19)
(11) EP 0 871 202 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
10.02.1999 Bulletin 1999/06

(43) Date of publication A2:
14.10.1998 Bulletin 1998/42

(21) Application number: 98104337.5

(22) Date of filing: 11.03.1998
(51) International Patent Classification (IPC)6H01J 61/36, H01J 61/82
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 11.04.1997 JP 93856/97

(71) Applicant: Stanley Electric Co., Ltd.
Meguro-ku Tokyo (JP)

(72) Inventors:
  • Yaguchi, Yasuhisa
    Sagamihara-shi, Kanagawa-ken (JP)
  • Mizumoto, Masaomi
    Yamato-shio, Kanagawa-ken (JP)
  • Takao, Yoshifumi
    Sagamihara-shi, Kanagawa-ken (JP)
  • Nagahara, Toshiyuki
    Yokohama-shi, Kanagawa-ken (JP)

(74) Representative: Leitner, Waldemar, Dr. techn. et al
Zerrennerstrasse 23-25
75172 Pforzheim
75172 Pforzheim (DE)

   


(54) Metal halide discharge lamp


(57) A metal halide discharge lamp 1 in which a metal foil leading-in wire 4 being held and sealed by a bulb 2 has at least one surface provided with a satin finish 4a, reduces the influence due to repetitive lighting and lighting-off to avoid an extreme short lift time.







Search report