Our abundance experience at growing and mass production for optical grade quartz . We are equipped with advanced facilities at Crystal growing, wafer lapping, polishing and checking. 


Our R&D is active at developing and researching from big material to process 6” optical grade quartz wafer. 

MaterialQuartz Crystal 
Cutting AngleX/Y/Z-cut  etc
Tol(±)<0.20 mm
Thickness0.05mm  or more
LTV (5mmx5mm) <1µm
TTV  <3µm
Bow -30<bow<30
Warp <40µm
Surface TypeSingle Side Polished /Double Sides Polished
Polished side Ra<0.5nm
Back Side CriteriaGeneral is 0.2-0.5µm or as customized
Scratch/DigBette than 40/20
Edge CriteriaR=0.2mm or Bullnose
Material PropertyECDBetter than grade 4
InclusionBetter than grade I
Q-ValueBetter than grade C
Wafer Surface CriteriaParticles ¢>0.3 µm<= 30
Scratch , ChippingNone
DefectNo edge cracks, scratches, saw marks, stains
PackagingQty/Wafer box25pcs per box