(19)

(11)

EP 1 057 080 A1

(12)

(43) Date of publication: 06.12.2000 Bulletin 2000/49 (21) Application number: 99905603.9 (22) Date of filing: 01.02.1999

(51) International Patent Classification (IPC)7: G03F 7/42 (86) International application number: PCT/US9902/160 (87) International publication number: WO 9944/101 (02.09.1999 Gazette 1999/35)

(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: 26.02.1998 US 31154 (71) Applicant: Alpha Metals, Inc. Jersey City, NJ 07304 (US)	(72) Inventor: YAKOBSON, Eric Aliso Viejo, CA 92656 (US) (74) Representative: Allard, Susan Joyce et al BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)