(19)
(11) EP 1 155 440 A1

(12)

(43) Date of publication:
21.11.2001 Bulletin 2001/47

(21) Application number: 00902762.4

(22) Date of filing: 10.02.2000
(51) International Patent Classification (IPC)7H01L 21/027, H01L 21/308, G03F 7/00, G02B 6/12
(86) International application number:
PCT/GB0000/423
(87) International publication number:
WO 0048/236 (17.08.2000 Gazette 2000/33)
(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: 11.02.1999 GB 9903110

(71) Applicant: UNIVERSITY OF BRISTOL
CliftonBristol BS8 1TH (GB)

(72) Inventors:
  • WHITE, Ian Hugh
    Weston,Bath BA1 3NH (GB)
  • PENTY, Richard, Vincent
    Bristol BS6 6AG (GB)
  • COWIN, Michael
    Canton,Cardiff CF5 1LU (GB)

(74) Representative: Vigars, Christopher Ian 
Haseltine Lake & Co.,Imperial House,15-19 Kingsway
London WC2B 6UD
London WC2B 6UD (GB)

   


(54) METHODS OF FABRICATING ETCHED STRUCTURES