Single Crystal Quartz Wafers

Single Crystal Quartz Wafers
Our abundance experience at growing and mass production for piezo 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 8” quartz wafer or more.
Find here details of CQT selling lithium niobate wafer, lithium tantanlate wafer, piezo single crystal blanks and glass substrates for biochemistry.
Product Parameters

Material Quartz Crystal
Cutting Angle X/Y/Z/AT32、33、36/BT/ST42.75®-cut etc
Diameter/size 3”(76.2mm) 4” （100mm) 6"(150mm) 8"(200mm)
Tol(¯) <0.20 mm
Thinnest Thickness 0.08mm  Min 0.10mm  Min 0.20mm Min   0.35mm or more
Primary Flat 22mm  32mm  42.5mm  57.5mm
LTV (5mmx5mm)  <1³´µm
TTV  <3³´µm
Bow -30<bow<30
Warp <40³´µm
PLTV(<0.5um) ≥95%(5mm*5mm)
Orientation Flat All available
Surface Type Single Side Polished /Double Sides Polished
Polished side Ra <0.5nm
Back Side Criteria General is 0.2-0.5³´µm or as customized
Edge Criteria R=0.2mm or Bullnose
Material Property ECD Better than grade 4
Inclusion Better than grade II
Q-Value Better than grade C
Wafer Surface Criteria Particles ￠>0.3 ³´µ  m <= 30
Scratch , Chipping None
Defect No edge cracks, scratches, saw marks, stains
Packaging Qty/Wafer box 25pcs per box 

CQT dedicated to produce series glass wafers, fused silica wafers, SAW grade lithium tantalate wafers, optical grade lithium tantalate wafers, SAW grade lithium niobate wafers, optical grade lithium niobate wafers. CQT is a leading Chinese manufacturer who involves in piezoelectric crystals, surface acoustic wave filters and the single crystal growth.