Address: C-5-C, No. 2 Tongzilin North Road, Chengdu, Sichuan, Sichuan, China (Mainland)
Phone: +86-28-85187253/52/51
Silicon Single Crystal Polishing Wafers
Silicon Single Crystal Polishing WafersDiameter(mm)30-40;40-65;65-80;80-102Thickness( ≥ m )300;350;400;450Thickness tolerance( m) 20Bow(≤ m )20;25;30;40Taper(≤ m)8;10;15;20Flatness( m) ≤6;≤7;≤8;≤12Thermal oxide fault(cm-2)≤1000;≤500Package of silicon polishing wafers is performed in the super-cleaning room. The wafers are put into the special plastic box, which is again put into the cardboard case.
Zn 99.9999%min 6NICP Mass result-PPM Max)Pb/CD 0.25 each, Fe 0.10, Ni/Al/Mg/Sb/As 0.05 each, Cu 0.03, Sn 0.01, Cr/Bi 0.02eachIn form of irregular ingot.Packing: In dacron film and then sealed in s pla
Antimony Trioxide 99.99%min, Sb2O34N Sb2O3 99.99%min, Total impurity 100ppm maxPb, As, fe, Sn, Cu, NiBiSize:1-4micromPacked in plastic bag,25kgs net each, then in carton box outside.
Cadmium Powder 99.5%minPbTiSize: -150mesh passed-200mesh passed-250mesh passedQuantity:5-8mt/monthlyPacking: in iron drum with plastic bag inside, 50kgs net each.
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