Microfocus X-ray tube

Details Microfocus X-ray tube Microfocus X-ray tube

1990-07-02

1991-12-31

Howell, Janice A.

X-ray or gamma ray systems or devices

Source

Electron tube

378122, H01J 3506

Patent

active

050777777

ABSTRACT:
A microfocus X-ray tube having an improved cathode assembly including a filament mounting disk for adjustably mounting a flat ribbon filament or a round wire filament such that the filament extends through an aperture in a focal plane disk which provides a uniform focusing field to the filament as well as a uniform heat sink surface.

REFERENCES:
patent: 1738959 (1929-12-01), Mutscheller
patent: 4573186 (1986-02-01), Reinhold

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