SAW Grade Lithium Tantalate Wafers

SAW Grade Lithium Tantalate Wafers
Our abundance experience at growing and mass production for SAW 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. 
 CQT supply lithium tantanlate wafer, which include fe doped lt wafers, saw grade lithium tantalate wafers and 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 doped wafers & electronic components. 
Product Parameters

Material LiTaO3 wafers（White or Black） 
Curie Temp 603¯2℃
Cutting Angle X/Y/Z/X112Y/Y36/Y42/Y48/etc
Diameter/size 3”/4”/6" LT wafer
Tol(¯) <0.20 mm
Thickness 0.18 ~ 0.5mm 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
Wafer Surface Criteria Transmissivity general:5.9x10-11<s<2.0*10-10 at 25℃
Contamination, None
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