Plasma etching of high-brightness LED programme
Date:2011-11-29 17:28
Status:Be resolved
Question:ningcuidi
hire graphics. This can make a finished product light extraction device performance improvements over 98%.
Sapphire is a very stable substance, melting point at 2,054 degrees, making it difficult to make plasma etching. However, before the reduce to the usual 150 degrees, to achieve very specific patterns of forming photoresist there is still a high temp. PR is the process of selecting the mask, the ultimate dome-shaped relies on all of mask removal is complete, its shape and Sapphire and
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