Write head of optical printer

Details Write head of optical printer Write head of optical printer

1986-03-14

1987-06-23

DeMeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

Vacuum-type tube

313497, 346161, H01J 6302, G01D 1506

Patent

active

046755721

ABSTRACT:
A write head of optical printer utilizing the principle of a vacuum fluorescent display device which is capable of forming a sufficient grid gap between each adjacent two grids and accurately and readily accomplishing the arrangement of the grids is disclosed. The write head is constructed in such a manner that grids are arranged above a plurality of parallel strip-like anode conductors arranged on a substrate so as to obliquely cross a row of the anode conductors, phosphor layers are deposited on the anode conductors so as to be opposite to the grids to form light emitting picture cells, and an array of the light emitting picture cells in each grid is formed separately.

REFERENCES:
patent: 2639398 (1953-05-01), Jacobi et al.
patent: 4551737 (1985-11-01), Inokuchi

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