(19)

(11)

EP 1 290 709 A2

(12)

(88) Date of publication A3: 27.12.2002 (43) Date of publication: 12.03.2003 Bulletin 2003/11 (21) Application number: 01924104.1 (22) Date of filing: 01.03.2001

(51) International Patent Classification (IPC)7: H01J 1/304, H01J 1/312 (86) International application number: PCT/US0106/583 (87) International publication number: WO 0106/5586 (07.09.2001 Gazette 2001/36)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (30) Priority: 01.03.2000 US 186024 P (71) Applicant: Moore, Chad Byron Corning, NY 14830 (US)	(72) Inventor: Moore, Chad Byron Corning, NY 14830 (US) (74) Representative: Jones, Graham H.  Graham Jones & CompanyBlackheath77 Beaconsfield Road London SE3 7LG London SE3 7LG (GB)