X-ray or gamma ray systems or devices – Source – Electron tube
Patent
1988-10-25
1989-09-26
Church, Craig E.
X-ray or gamma ray systems or devices
Source
Electron tube
378134, H01J 3508
Patent
active
048706710
ABSTRACT:
A multitarget x-ray tube which generates a number of x-ray beams of different characteristics in any desired combinations and/or sequences and in which cross-talk is reduced and beam purity is enhanced. The tube can be used in applications such as elemental analysis of materials by x-ray fluorescence, in which a sample is excited with x-rays from a primary source and in response releases x-ray photons having energies characteristic of the elements present in the sample, and in applications in which it can replace a radioactive source.
REFERENCES:
patent: 4007375 (1977-02-01), Albert
patent: 4017757 (1977-04-01), DeCou, Jr.
patent: 4292563 (1981-09-01), Gabbay et al.
Varian Eimac Product Data brochure on a DTS-68H X-Ray Tube from the identified employer of the authors of Reference AR, Machlett Laboratories, designated ST-4301, dated 1/89.
Abstract of "System Design Principles for Long X-Ray Tube Life for a New Dual Target End Window XRF Tube", presented by Barrett et al of Machlett Laboratories at the Pittsburgh Conference of Analytical Chemistry and Applied Spectroscopy, Feb. 22-26, 1988, New Orleans, LA.
Link Analytical Limited Brochure XR 200/300/5/87/10M.
Church Craig E.
X-Ray Technologies, Inc.
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