(19)
(11)
EP 1 171 906 A1
(12)
(43)
Date of publication:
16.01.2002
Bulletin 2002/03
(21)
Application number:
00913478.4
(22)
Date of filing:
16.02.2000
(51)
International Patent Classification (IPC)
7
:
H01L
21/302
(86)
International application number:
PCT/US0003/893
(87)
International publication number:
WO 0049/647
(
24.08.2000
Gazette 2000/34)
(84)
Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
(30)
Priority:
18.02.1999
US 120567 P
(71)
Applicant:
Rodel Holdings, Inc.
Wilmington, DE 19899 (US)
(72)
Inventor:
HOSALI, Sharath, D.
Glen Mills, PA 19342 (US)
(74)
Representative:
Jones, Alan John et al
CARPMAELS & RANSFORD 43 Bloomsbury Square
London, WC1A 2RA
London, WC1A 2RA (GB)
(54)
METHOD FOR CMP OF LOW DIELECTRIC CONSTANT POLYMER LAYERS