Electron beam engraving method and device for execution

Details Electron beam engraving method and device for execution Electron beam engraving method and device for execution

1982-09-24

1984-09-11

Albritton, C. L.

Electric heating

Metal heating

By arc

219121EK, 219121ES, B23K 1500

Patent

active

044712057

ABSTRACT:
In printing form production with electron beams, the imaging scale of the electron source on the source of the printing form is modulated gradation-dependent for engraving different cup geometries. The power density distribution in the effective point of the electron beam can then be approximately rectangular for all gradations. In particular, engraving the small cups, which was hitherto a vertical factor, is thus stable.

REFERENCES:
patent: 3246079 (1966-04-01), Teucher
patent: 4028523 (1977-06-01), Anderl et al.
patent: 4145597 (1979-03-01), Yasuda
patent: 4243866 (1981-01-01), Pfeiffer et al.
patent: 4245159 (1981-01-01), Beisswenger
patent: 4393295 (1983-07-01), Beisswenger

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