Beam splitter for electron beam machines

Details Beam splitter for electron beam machines Beam splitter for electron beam machines

1975-10-06

1978-03-21

Chatmon, Jr., Saxfield

Electric lamp and discharge devices

Electrode and shield structures

Foraminous electrodes or shields

313146, 313237, 250398, H01J 146, H01J 152, H01J 1704, H01J 1712

Patent

active

040805468

ABSTRACT:
A beam splitter for electron beam machines with a beam splitter grid which is to be set crossways to the beam and which has a row of cross-pieces running next to one another with uniform spaces for shading the portions of beam striking it, where the cross-piece materials is replaceable in operation by cross-piece material not already acted on by the beam.

REFERENCES:
patent: 2336895 (1943-12-01), Shelton et al.
patent: 2757301 (1956-07-01), Jones et al.
patent: 2840749 (1958-06-01), Goddard
patent: 2937316 (1960-05-01), Moose
patent: 3247420 (1966-04-01), Mayer
patent: 3290540 (1966-12-01), Atti
patent: 3433955 (1969-03-01), Perry
patent: 3506871 (1970-04-01), Hunt
patent: 3689782 (1972-09-01), Epszein
patent: 3745401 (1973-07-01), Stapleton et al.

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