Multi-color X-ray line source

Details Multi-color X-ray line source Multi-color X-ray line source

1983-01-05

1985-06-11

Church, Craig E.

X-ray or gamma ray systems or devices

Source

Electron tube

378144, H01J 3504

Patent

active

045233276

ABSTRACT:
An anode target comprises a copper block having different elemental target materials bonded to segments of the circumference, which rotate past the electron emitting cathode, to provide different emission lines in sequence. Aluminum and silicon target materials produce lines which bracket the aluminum absorption edge, to detect small amounts of aluminum in the presence of other absorbing materials by differential absorption of these two lines. Silver and rhodium may be used to bracket the chlorine absorption edge.

REFERENCES:
patent: 2998524 (1961-08-01), Friedman
patent: 3229089 (1966-01-01), Sasao
patent: 3836805 (1974-09-01), Kok
patent: 3934164 (1976-01-01), Braun et al.
patent: 4007375 (1977-02-01), Albert
patent: 4075526 (1978-02-01), Grubis
patent: 4227112 (1980-10-01), Waugh et al.
patent: 4433431 (1984-02-01), Pfeiler

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