About LED chip manufacturing process
fecha:2011-05-21 10:10
estado:para resolver
pregunta:admin
tal, this time there are some in the blue membrane does not meet the requirements of the normal shipping chips, is naturally became the side pieces or raw footage and so on.
Mentioned earlier in a different location on the wafer parametric test taken nine points do, do not meet the requirements for the addition of a wafer processing, the wafer can not be directly used to make LED square piece, it makes no sorting, and sell directly to customers, and that is currently on the market LED wafer (waf
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