(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)
7
:
C03C
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