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 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 dopped wafers & electronic components.

Product Parameters

Material

LiTaO3 wafers(White or Black)

Curie Temp

603±2℃

Cutting Angle

X/Y/Z etc

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

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 

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.

 

for Optical grade application 

 






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