(19)

(11)

EP 0 772 884 A1

(12)

(43) Date of publication: 14.05.1997 Bulletin 1997/20 (21) Application number: 95930801.0 (22) Date of filing: 25.07.1995

(51) International Patent Classification (IPC):  H01J 9/ 24( . ) H01J 29/ 86( . ) H01J 29/ 02( . ) H01J 31/ 12( . ) (86) International application number: PCT/US1995/010028 (87) International publication number: WO 1996/003764 (08.02.1996 Gazette 1996/07)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU NL PT SE (30) Priority: 25.07.1994 US 19940280355 (71) Applicant: FED CORPORATION Hopewell Junction, NY 12533 (US)	(72) Inventors: JONES, Gary, W. Poughkeepsie, NY 12601 (US) ZIMMERMAN, Steven, M. Pleasant Valley, NY 12569 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & Schwanhäusser Anwaltssozietät  Maximilianstrasse 58 80538 München 80538 München (DE)