download - Gaia Science
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Applications / Production<br />
Qualification of LED substrates<br />
CONFIDENTIAL<br />
• TDs show as dark spot due to<br />
non-radiative recombination in<br />
their vicinity<br />
• Easy measure of TDD<br />
• TDD ≃ 30 ⨉ 10 6 cm -2<br />
10µm<br />
10µm<br />
SE<br />
LED failure analysis<br />
CL<br />
© 2013 Attolight AG. All Rights Reserved.<br />
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