Thermal emissive coating for x-ray targets

Details Thermal emissive coating for x-ray targets Thermal emissive coating for x-ray targets

1991-09-09

1992-09-22

Porta, David P.

X-ray or gamma ray systems or devices

Source

Electron tube

378127, 378144, 427421, H01J 3510

Patent

active

051503972

ABSTRACT:
A high thermal emittance coating for an x-ray tube anode target which permits broad application parameters and a stable and smooth coating. The coating is composed of ZrO.sub.2 present in an amount of 8% to 20% by weight and Al.sub.2 O.sub.3 and TiO.sub.2 present in an amount of 92% to 80% by weight with the Al.sub.2 O.sub.3 and TiO.sub.2 being present in a ratio in the range of 4 to 1. A preferable coating is composed of about 10% by weight of ZrO.sub.2 and 90% by weight of Al.sub.2 O.sub.3 and TiO.sub.2.

REFERENCES:
patent: 4029828 (1977-06-01), Bildstein et al.
patent: 4090103 (1978-05-01), Machenschalk et al.
patent: 4132916 (1979-01-01), Hueschen et al.
patent: 4516255 (1985-05-01), Petter et al.
patent: 4870672 (1989-09-01), Lindberg
patent: 4953190 (1990-08-01), Kukoleck et al.

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