Pulse beam forming method and apparatus

Details Pulse beam forming method and apparatus Pulse beam forming method and apparatus

1993-05-14

1995-04-11

Blum, Theodore M.

Electric lamp and discharge devices: systems

Cathode ray tube circuits

Cathode-ray deflections circuits

2504922, H01J 2958

Patent

active

054061784

ABSTRACT:
In a pulse beam forming apparatus, there are disposed in order a beam generating device for generating a charged particle beam having a circular cross section, a beam elongating device for elongating the charged particle beam in cross section, a deflecting device for deflecting the charged particle beam in a direction perpendicular to the longitudinal direction of the cross section, an aperture for cutting the charged particle beam, and a beam reshaping device for reshaping the charged particle beam into one having a circular cross section.

REFERENCES:
patent: 4075488 (1978-02-01), Okayama et al.
patent: 4243866 (1981-01-01), Pfeiffer et al.
patent: 4393308 (1983-07-01), Anger et al.
patent: 5180919 (1993-01-01), Oae et al.

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