(19)
(11) EP 0 968 142 A1

(12)

(43) Date of publication:
05.01.2000 Bulletin 2000/01

(21) Application number: 97942702.8

(22) Date of filing: 03.10.1997
(51) International Patent Classification (IPC)7C03C 15/00, C03C 17/32, C23C 14/04, C23C 14/12, C23C 14/32, C23C 14/54, G02B 6/136, G02B 6/13, G02B 6/12
(86) International application number:
PCT/AU9700/663
(87) International publication number:
WO 9815/504 (16.04.1998 Gazette 1998/15)
(84) Designated Contracting States:
DE FR GB IT

(30) Priority: 04.10.1996 AU PO281896

(71) Applicant: UNISEARCH LIMITED
Randwick, NSW 2031 (AU)

(72) Inventors:
  • BAZYLENKO, Michael
    Forestville, NSW 2087 (AU)
  • GROSS, Mark
    Seaforth, NSW 2092 (AU)

(74) Representative: Asquith, Julian Peter et al
Marks & Clerk,Nash Court,Oxford Business Park South
Oxfordshire OX4 2RU
Oxfordshire OX4 2RU (GB)

   


(54) REACTIVE ION ETCHING OF SILICA STRUCTURES