Method and apparatus for engraving elemental areas of controlled

Details Method and apparatus for engraving elemental areas of controlled Method and apparatus for engraving elemental areas of controlled

1973-08-24

1976-01-06

Cardillo, Jr., Raymond F.

Telegraphy

Systems

Simplex-reversing periodic

178 67R, 358 75, G03F 700

Patent

active

039314588

ABSTRACT:
Method and apparatus for engraving the cells of a printing surface to a controlled amount by controlling the spatial distribution and time duration of the trajectory of an energy beam having a cross-section smaller than the cell to be engraved thereby.

REFERENCES:
patent: 3226696 (1965-12-01), Dove
patent: 3564130 (1971-02-01), Crooks et al.
patent: 3564131 (1971-02-01), Herold et al.
patent: 3638231 (1972-01-01), Poole et al.
patent: 3688026 (1972-08-01), Odnoko et al.

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