Silver–sulfur compounds have been detected at the internal lead frame of several commercial plastic packaged white LEDs that passed a standard incoming lot inspection but resulted all electrically open or degraded at the switching-on after mounting on the final boards.
Sulfur-contamination of High Power White LEDs
MURA, GIOVANNA;VANZI, MASSIMO
2008-01-01
Abstract
Silver–sulfur compounds have been detected at the internal lead frame of several commercial plastic packaged white LEDs that passed a standard incoming lot inspection but resulted all electrically open or degraded at the switching-on after mounting on the final boards.
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