System for accurately tracing with a charged particle beam on fi

Details System for accurately tracing with a charged particle beam on fi System for accurately tracing with a charged particle beam on fi

1979-03-26

1981-11-10

Curtis, Marshall M.

Recorders

Electric recording

Electrochemical

346110V, 346158, G06F 314

Patent

active

043001475

ABSTRACT:
A charged particle beam recorder having a curved film gate to impart a predetermined continuous curvature to the recording film. Predetermined tension is applied to the recording film to assure good contact of the film with the curved film gate and a motor is provided to intermittently advance the film through the film gate thereby providing fresh film for exposure. The positioning of the recording beam on the film is electronically corrected for the known geometric distortions introduced by the predetermined continuous curvature of the film gate and the predetermined tension of the film.

REFERENCES:
patent: 2847580 (1958-08-01), Arvanetakis et al.
patent: 3001849 (1961-09-01), Walkup
patent: 3160091 (1964-12-01), Schwertz
patent: 3205301 (1965-09-01), Etcheverry, Jr.
patent: 3236943 (1965-02-01), Moller
patent: 3283310 (1966-11-01), Hughes et al.
patent: 3409906 (1968-11-01), Jones
patent: 3445655 (1969-05-01), Curry
patent: 3488496 (1970-01-01), Schneeman

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