(19)
(11) EP 1 216 482 A1

(12)

(43) Date of publication:
26.06.2002 Bulletin 2002/26

(21) Application number: 00959561.2

(22) Date of filing: 29.08.2000
(51) International Patent Classification (IPC)7: H01J 9/24, H01J 17/16, H01J 17/49
(86) International application number:
PCT/US0023/704
(87) International publication number:
WO 0120/636 (22.03.2001 Gazette 2001/12)
(84) Designated Contracting States:
AT BE CH CY 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: 13.09.1999 JP 25931899

(71) Applicant: 3M Innovative Properties Company
Saint Paul, MN 55133-3427 (US)

(72) Inventors:
  • Yokoyama, Chikafumi
    Zama-shi,Kanagawa 225-0015 (JP)
  • Sugimoto, Takaki
    Komae-shi,Tokyo 201-0016 (JP)
  • Yoda, Akira
    Machida-city,Tokyo 194-0003 (JP)

(74) Representative: VOSSIUS & PARTNER 
Siebertstrasse 4
81675 München
81675 München (DE)

   


(54) BARRIER RIB FORMATION ON SUBSTRATE FOR PLASMA DISPLAY PANELS AND MOLD THEREFORE