Rotary anodes for X-ray tubes

Details Rotary anodes for X-ray tubes Rotary anodes for X-ray tubes

1980-07-03

1982-09-28

Chatmon, Jr., Saxfield

Thermal measuring and testing

Temperature measurement

Combined with diverse art device

378125, 378127, 427 35, H01J 3508

Patent

active

043520413

ABSTRACT:
An intermediate layer comprising several sub-layers is sandwiched between the support and a target layer of a rotary X-ray anode. The sub-layer of the intermediate layer which contacts the support and the sub-layer of the intermediate layer which contacts the target layer both consist of pure rhenium. Interposed between these two sub-layers is a further sub-layer consisting of a rhenium alloy containing at least one carbide-forming metal, for example tungsten, tantalum or hafnium. This construction of the intermediate layer provides a barrier against carbon diffusion, which barrier has substantially the heat conduction properties of metals and which offers a sufficient protection against the penetration of carbon into the target layer, even at temperaturers above 1500 K.

REFERENCES:
patent: 2863083 (1958-12-01), Schran
patent: 3579022 (1971-05-01), Hennig
patent: 3890521 (1975-06-01), Shroff
patent: 4132917 (1979-01-01), Bildstein et al.
patent: 4145632 (1979-03-01), Devine, Jr.

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