(19)

(11)

EP 1 245 037 A1

(12)

(43) Date of publication: 02.10.2002 Bulletin 2002/40 (21) Application number: 00961972.7 (22) Date of filing: 20.09.2000

(51) International Patent Classification (IPC)7: H01J 37/32 (86) International application number: PCT/US0025/725 (87) International publication number: WO 0105/0496 (12.07.2001 Gazette 2001/28)

(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: 04.01.2000 US 477515 (71) Applicant: ADVANCED MICRO DEVICES INC. Sunnyvale,California 94088-3453 (US)	(72) Inventor: EVANS, Allen, Lewis Austin, TX 78745 (US) (74) Representative: Picker, Madeline Margaret et al Brookes Batchellor102-108 Clerkenwell Road London EC1M 5SA London EC1M 5SA (GB)