Active Macro Pixel Sensor Array - Helsinki Institute of Physics
Active Macro Pixel Sensor Array - Helsinki Institute of Physics
Active Macro Pixel Sensor Array - Helsinki Institute of Physics
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Spectrometric Parameters<br />
• energy range<br />
100 eV to 20 keV<br />
<strong>Active</strong> <strong>Macro</strong> <strong>Pixel</strong> <strong>Sensor</strong> <strong>Array</strong>s<br />
are attractive • high quantum efficiency<br />
with thin entrance window<br />
because they allow<br />
and depleted volume <strong>of</strong> 450 µm<br />
–• monolithic minimum devices signal capacitance<br />
in large formats up to 8 x 8 cm²<br />
<strong>of</strong> 20 fF only<br />
– with scalable pixel size<br />
• energy e.g. 300 resolution x 300 µm² down to to 1 x 1 mm²<br />
– charge 50 storage eV @ C capability K<br />
in contrast to a CCD<br />
125 eV @ Mn K<br />
–<br />
•<br />
line<br />
image<br />
readout<br />
(frame)<br />
on demand<br />
rates<br />
with a limited complexity<br />
up to 8.000 per sec<br />
and a high speed<br />
• low electronic noise at high rates<br />
10 el. ENC<br />
• radiation hardness<br />
<strong>Active</strong> <strong>Macro</strong> <strong>Pixel</strong> <strong>Sensor</strong> <strong>Array</strong>s
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