color half mirror coating ?? Spec. ???? ??? 5 ~ 70% Spectrophotometer ??? User Spec. Spectrophotometer Uniformity ±3% Spectrophotometer ? ??? 100/100 Cross cutting test ??? ???? ??? ?? ? NC ??? NC ??? ???? ??? ?? ? ? ??? 5% NaCl, 35C, 72Hr ???? ??? ? ??? 80C, 85%RH, 72Hr ????...