The Rainwater Memorial Calibration Facility for X-Ray Optics

<table class="table-group" id="tab6"><tr><td><table class="table"><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr class="thead"><td align="center" colspan="2">Comet X-ray source</td></tr><tr><td class="thead-hr" colspan="2"><hr/></td></tr><tr><td align="left">Nominal X-ray tube voltage</td><td align="center">100 kV</td></tr><tr><td align="left">Continuous rating</td><td align="center">3 kW</td></tr><tr><td align="left">Tube current at nominal voltage, max.</td><td align="center">30 mA</td></tr><tr><td align="left">Focal spot acc. EN 12543 (diameter at 1 kW)</td><td align="center">7.5 mm</td></tr><tr><td align="left">Inherent filtration</td><td align="center">0.8 ± 0.1 mm Beryllium</td></tr><tr><td align="left">Target material</td><td align="center">Tungsten</td></tr><tr><td align="left">Target angle</td><td align="center">30°</td></tr><tr><td align="left">High voltage ripple</td><td align="center">5 V/mA (min. 20 V)</td></tr><tr><td align="left">Induced temperature drift (voltage)</td><td align="center">80 ppm/°C</td></tr><tr><td align="left">Induced temperature drift (current)</td><td align="center">50 ppm/°C</td></tr><tr><td align="left">Voltage accuracy</td><td align="center">±1% of output value</td></tr><tr><td align="left">Current accuracy</td><td align="center">±0.2% of output value</td></tr><tr class="table-tr"><td colspan="2"><hr class="tbody-hr"/></td></tr></table></td></tr></table>

RaMCaF X-ray source specifications. The information derives from the Comet product sheet.

X-Ray Optics and Instrumentation

The Rainwater Memorial Calibration Facility for X-Ray Optics

Table 6