General Electric Company

Dennis G Kukoleck

Peter C Eloff

John H Port

Robert M Guezuraga

A high thermal emittance coating for an x-ray tube anode target which permits broader application parameters and a stable coating. The coating is composed of Al.sub.2 O.sub.3 present in an amount of 50% to 80% by weight and ZrO.sub.2 or La.sub.2 O.sub.3 and TiO.sub.2 present in an amount of 50% to 20% by weight with the TiO.sub.2 and ZrO.sub.2 or La.sub.2 O.sub.3 being present in a ratio in the range of 1:1 to 10:1. A preferable coating is composed of about 80% by weight of Al.sub.2 O.sub.3 and 20% by weight of TiO.sub.2 and ZrO.sub.2.

Thermal emissive coating for x-ray targets

An x-ray tube anode formed of a dispersion-strengthened molybdenum alloy which is not compatible with a stem of a different material for purposes of diffusion bonding, includes an integral core insert composed of a substantially pure molybdenum alloy. The insert is compatible with both the adjoining materials and allows for a diffusion bonding of the anode to the stem.

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Broadview Heights, OH, United States of America

Dennis G Kukoleck