(19)
(11) EP 0 255 542 A1

(12)

(43) Date of publication:
10.02.1988 Bulletin 1988/06

(21) Application number: 87901792.0

(22) Date of filing: 29.01.1987
(51) International Patent Classification (IPC): 
G11B 9/ 10( . )
H01J 37/ 305( . )
 H01J 37/ 065( . )
(86) International application number:
PCT/US1987/000187
(87) International publication number:
WO 1987/004846 (13.08.1987 Gazette 1987/18)
(84) Designated Contracting States:
AT BE CH DE FR GB IT LI LU NL SE

(30) Priority: 03.02.1986 US 19860825219

(71) Applicant: CREWE, Albert V.
Palos Park, IL 60464 (US)

(72) Inventor:
  • CREWE, Albert V.
    Palos Park, IL 60464 (US)

   


(54) ELECTRON BEAM MEMORY SYSTEM WITH ULTRA-COMPACT, HIGH CURRENT DENSITY ELECTRON GUN