Patent ID: 6507147
Filing Date: 2003-01-14
Classification: H01J

Abstract:
A housing for a vacuum microelectronic imaging device, said housing comprising(a) a laminated structure comprising first and second planar end plates and a plurality of intermediate planar plates disposed therebetween, (b) at least three of said intermediate plates each comprising an aperture of respective area and said three plates disposed serially in substantial alignment of said apertures whereby a cavity is formed in said laminated structure, said at least three aperture areas varying non-monotonically in said series, one of said end plates comprising a transparent electrically insulating wall positioned across said cavity, a photocathode on the surface of said transparent end plate positioned facing said cavity, a seal bonding the surface of said transparent end plate facing said cavity to the surface of the adjacent intermediate plate, and a vacuum pocket within said cavity and between said photocathode surface and said other end plate.