Status LED chip manufacturing equipment and technology introduced
Date:2011-06-07 15:41
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Question:admin
fer, exposed after a certain pattern on the wafer process. LED chip production in the PSS through the lithography process to achieve the desired patterned etching mask formation and preparation of electrodes in the chip manufacturing. LED mainly uses projection lithography lithography, nanoimprint lithography and contact the three technologies. Contact lithography due to low prices, is currently the mainstream, but popular with the PSS substrate, graphics, fine size, projection lithography has b
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