Optical Grade Lithium Tantalate Wafers
Optical Grade Lithium Tantalate Wafers
Our abundance experience at growing and mass production for Optical grade Lithium Tantalate. We are equipped with advanced facilities at Crystal growing, wafer lapping, polishing and checking, all finished products are passed at Testing of curie Temp and QC inspection.
We supply lithium tantanlate wafer, which include fe doped lt wafers, saw grade lithium tantalate wafersand optical grade lithium tantalate wafers.
Our R&D is active at developing and researching from new material to finished products at all kinds of optical dopped wafers & electronic components.
Product Parameters
|
Material |
LiTaO3 wafers（White or Black） |
|
|
Curie Temp |
603±2℃ |
|
|
Cutting Angle |
X/Y/Zetc |
|
|
Diameter/size |
2”/3”/4” LT wafer |
|
|
Tol(±) |
<0.20 mm |
|
|
Thickness |
||
|
Primary Flat |
16mm/22mm /32mm |
|
|
TTV |
<3µm |
|
|
Warp |
<40µm |
|
|
Surface Type |
Single Side Polished /Double Sides Polished |
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|
Polished side Ra |
<0.5nm |
|
|
Back Side Criteria |
General is 0.2-0.5µm or as customized |
|
|
Edge Criteria |
R=0.2mm or Bullnose |
|
|
Optical doped |
Zn/MgO etc |
|
|
Wafer Surface Criteria |
Contamination, |
None |
|
Particles ￠>0.3 µ m |
<= 30 |
|
|
Scratch , Chipping |
None |
|
|
Defect |
No edge cracks, scratches, saw marks, stains |
|
|
Packaging |
Qty/Wafer box |
25pcs per box |
CQTdedicatedtoproduceseries 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, surfaceacoustic wave filtersand the single crystal growth.
for Optical grade application
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