(19)
(11) EP 1 576 664 A1

(12)

(43) Date of publication:
21.09.2005 Bulletin 2005/38

(21) Application number: 03781760.8

(22) Date of filing: 06.11.2003
(51) International Patent Classification (IPC)7H01L 21/768, H01L 21/314
(86) International application number:
PCT/US2003/035272
(87) International publication number:
WO 2004/061949 (22.07.2004 Gazette 2004/30)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 23.12.2002 DE 10260619
16.06.2003 US 463910

(71) Applicant: ADVANCED MICRO DEVICES INC.
California 94088-3453 (US)

(72) Inventors:
  • RUELKE, Hartmut
    01109 Dresden (DE)
  • HOHAGE, Joerg
    01309 Dresden (DE)
  • THOMAS, Werner
    01109 Dresden (DE)
  • MAUERSBERGER, Frank
    01445 Radebeul (DE)

(74) Representative: Schuster, Thomas 
Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät Maximilianstrasse 58
80538 München
80538 München (DE)

   


(54) METHOD OF FORMING A CAP LAYER HAVING ANTI-REFLECTIVE CHARACTERISTICS ON TOP OF A LOW-K DIELECTRIC