Design and Evaluation of Stamping Module to Pattern Alignment Marks for LED Post-Processing
2015 ◽
Vol 751
◽
pp. 298-301
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LED (Light Emitting Device) is one of the most important and popular unit in display goods. Until now, the LED process could not make LED from broken substrates during production. This is because the damaged substrate cannot be post-processed by losing alignment mark on itself. After the substrate is pre-processed the substrate having LED dies are glued on blue tape. Therefore, if additional mark printed on the blue tape, it will be able to process the following post-process. In this paper, a precision stamping module to pattern the alignment mark on the blue tape is designed, fabricated and verified.
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2013 ◽
Vol 311
◽
pp. 512-517
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