Back to results
US 4,451,759 AGranted
Flat viewing screen with spacers between support plates and method of producing same
AssigneeSiemens Aktiengesellschaft
InventorHinrich Heynisch
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeSiemens Aktiengesellschaft
InventorHinrich Heynisch
Estimating the term…
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.
Flat viewing screen having a matrix of selectively addressable picture elements, comprising two mutually parallel support plates of glass being vacuum-tightly connected to each other and having sides facing each other, at least one separately addressable electrode disposed on each of said 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 said support plates and a hollow cylinder having an inner surface and a bottom and being integral with and protruding from the other of said support plates, each pin being inserted into one hollow cylinder at a space from said inner surface and contacting said bottom of said hollow cylinder.
Dependencies are inferred from the claim text.