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Temperature calibration - Laytec

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Pre-<strong>calibration</strong><br />

Black body <strong>calibration</strong><br />

experience of major LED manufacturer:<br />

• "black body <strong>calibration</strong> of several EpiTT and<br />

EpiCurveTT systems minimized reactor-toreactor<br />

variations to less than 5K in AIXTRON<br />

G3/G4 systems"<br />

• residual temperature variations might even be real<br />

• important: keep windows clean<br />

• window cleaning is standard after any hardware<br />

equipment change (susceptor / ceiling)<br />

18 October 2009 <strong>Temperature</strong> <strong>calibration</strong><br />

14

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