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/ etc
|
Diameter/size
|
3”()
|
4” (100mm)
|
6"(150mm)
|
8"(200mm)
|
Tol(±)
|
< mm
|
Thinnest Thickness
|
Min
|
Min
|
mm Min
|
or more
|
Primary Flat
|
22mm
|
32mm
|
|
|
LTV (5mmx5mm)
|
<1µm
|
TTV
|
<3µm
|
Bow
|
-30<bow<30
|
Warp
|
<40µm
|
PLTV(<)
|
≥95%(5mm*5mm)
|
Orientation Flat
|
All available
|
Surface Type
|
Single Side Polished /Double Sides Polished
|
Polished side Ra
|
<
|
Back Side Criteria
|
General is or as customized
|
Edge Criteria
|
R= or Bullnose
|
Material Property
|
ECD
|
Better than grade 4
|
Inclusion
|
Better than grade II
|
Q-Value
|
Better than grade C
|
Wafer Surface Criteria
|
Particles ¢> 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.