EP 0048839 B1 19840222 - FLAT IMAGE SCREEN, PROCESS FOR MANUFACTURING AND USING THE SAME
Title (en)
FLAT IMAGE SCREEN, PROCESS FOR MANUFACTURING AND USING THE SAME
Publication
Application
Priority
DE 3036671 A 19800929
Abstract (en)
[origin: US4451759A] Flat viewing screen having a matrix of selectively addressable picture elements, including two mutually parallel support plates being vacuum-tightly connected to each other and having sides facing each other, at least one separately addressable electrode disposed on each of the sides, a multiplicity of spacers each being assigned to one picture element for spacing said support plates from each other, each spacer including a pin being integral with and protruding from one of the support plates and a hollow cylinder having an inner surface and a bottom and being integral with and protruding from the other of the support plates, each pin being inserted into one hollow cylinder at a space from the inner surface and contacting the bottom of the hollow cylinder, and a method of producing the same.
IPC 1-7
IPC 8 full level
H01J 9/26 (2006.01); H01J 17/49 (2006.01); H01J 29/82 (2006.01); H01J 29/87 (2006.01); H01J 31/12 (2006.01); H01J 63/06 (2006.01)
CPC (source: EP US)
H01J 9/261 (2013.01 - EP US); H01J 29/82 (2013.01 - EP US); H01J 31/127 (2013.01 - EP US); H01J 2201/308 (2013.01 - EP US); H01J 2329/8625 (2013.01 - EP US)
Designated contracting state (EPC)
DE FR GB IT NL
DOCDB simple family (publication)
EP 0048839 A1 19820407; EP 0048839 B1 19840222; DE 3036671 A1 19820513; DE 3162382 D1 19840329; JP S5788656 A 19820602; US 4451759 A 19840529
DOCDB simple family (application)
EP 81106915 A 19810903; DE 3036671 A 19800929; DE 3162382 T 19810903; JP 15353481 A 19810928; US 30615881 A 19810928