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

 

Primary Flat

22mm /32mm /42.5mm /57.5mm

LTV (5mmx5mm)

 <1µm

TTV

 <3µm

Bow

-30<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

Wafer Surface Criteria

Transmissivity

general:5.9x10-11<s<2.0*10-10 at 25℃

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 




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