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Home > FAQ > Epitaxy > Do these 2” PSS LED wafers have the same epi-stack as the 4” PSS? If not, please send me the diagram with thicknesses. Wavelength can be same: central 455nm?
Q:Do these 2” PSS LED wafers have the same epi-stack as the 4” PSS? If not, please send me the diagram with thicknesses.  Wavelength can be same: central 455nm
 
A: the 2" detail layer thickness and structure is same as 4", no any difference. Wavelength:455nm+/-5nm is no problem.