(19)
(11) EP 1 097 473 A1

(12)

(43) Date of publication:
09.05.2001 Bulletin 2001/19

(21) Application number: 99930623.6

(22) Date of filing: 23.06.1999
(51) International Patent Classification (IPC)7H01L 21/318, C23C 16/34
(86) International application number:
PCT/US9914/244
(87) International publication number:
WO 0003/425 (20.01.2000 Gazette 2000/03)
(84) Designated Contracting States:
BE CH DE GB LI NL

(30) Priority: 10.07.1998 US 113534

(71) Applicant: APPLIED MATERIALS, INC.
Santa Clara,California 95054-3299 (US)

(72) Inventors:
  • HUANG, Judy
    Los Gatos, CA 95032 (US)
  • YAU, Wai-Fan
    Mountain View, CA 94040 (US)
  • CHEUNG, David
    Foster City, CA 94404 (US)

(74) Representative: Bayliss, Geoffrey Cyril et al
BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road
London WC1X 8BT
London WC1X 8BT (GB)

   


(54) PLASMA PROCESS TO DEPOSIT SILICON NITRIDE WITH HIGH FILM QUALITY AND LOW HYDROGEN CONTENT