Rotary anode for X-ray tube comprising an Mo-containing layer and a W-containing layer laminated to each other and method of producing the same
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United States of America Patent
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Jul 22, 2003
Grant Date -
Aug 16, 2001
app pub date -
Apr 20, 2001
filing date -
Feb 27, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A high-quality and high-reliability rotary anode target for X-ray tubes, of which the mechanical strength at high temperatures is increased and which is applicable not only to low-speed rotation (at least 3,000 rpm) but also even to high-speed rotation at high temperatures, and also a method for producing it. The rotary anode has a two-layered structure to be formed by laminating an Mo alloy substrate that comprises from 0.2% by weight to 1.5% by weight of TiC with the balance of substantially Mo, and an X-ray generating layer of a W--Re alloy that overlies the substrate.
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