Rotary anode plate e.g. for X-ray tubes, includes active layer with intermediate layer spaced at given distance from basic body

摘要

A rotary anode plate, has a disc-shaped basic body (1) made from a high-melting point molybdenum alloy and an active X-ray layer (2) applied to the upper face of the basic body (1). In X-ray active layer (2) with a spacing of 10 microns, preferably by 120 microns, to the surface of the basic body (1), is an intermediate layer (4) with a minimum thickness of 1 micron, preferably 20 microns, and of pure rhenium or a rhenium alloy, with more than 10 wt.% of rhenium, and one or more of the elements hafnium, tantalum, tungsten, osmium, iridium, or platinum.