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Pixel Array Detector for Single Particle Scattering - Gruner Group

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Radiation Hardness<br />

●<br />

Two major CMOS<br />

effects:<br />

– leakage currents in<br />

NMOS switches.<br />

– Threshold voltage<br />

shifts.<br />

● Thinner oxides in 0.25<br />

µm help.<br />

●<br />

Diode damage<br />

Enclosed Layout Transistor<br />

– leakage not a problem with<br />

short exposures.<br />

Hugh Philipp<br />

9. Feb. 2006<br />

LCLS – PAD Talk<br />

21

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