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)	<1µm
TTV	<3µm
Bow	-30
Warp	<40µm
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 0.2-0.5µm 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 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.More information please view here.