Support for rotary target of x-ray tubes
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United States of America Patent
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Jul 11, 1989
Grant Date -
N/A
app pub date -
Jan 27, 1987
filing date -
Jan 30, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present invention concerns a support of carbonaceous material for a rotary target of X-ray tubes. The support is formed of two parts which are fixed with respect to each other, one part being of a carbon/carbon composite which provides mechanical strength and the other part being of polycrystalline graphite for receiving a refractory metal, by virtue of its coefficient of expansion. A thermal contact is provided between the two parts. The invention is especially applicable to targets of X-ray tubes which rotate at a high speed, 20,000 RPM and above.
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