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Lithium Niobate Wafer

Lithium Niobate Wafer

We offer crystal and substrate- Lithium Niobate (LiNbO3,LN) single crystals and wafer with SAW grade and Optical grade,and Lithium Tantalate (LiTaO3,LT)crystals and wafers, which are high quality for optoelectric devices to meet our customers' demand.
Item Description

We offer crystal and substrate- Lithium Niobate (LiNbO3,LN) single crystals and wafer with SAW grade and Optical grade,and Lithium Tantalate (LiTaO3,LT)crystals and wafers, which are high quality for optoelectric devices to meet our customers' demand.

Meanwhile our research areas cover LN and LT crystals growth techonogy and wafer process technology and related devices

And we always focus on quality and cost in this product we manufacture. 

Lithium Niobate Wafer, SAW Grade

Item

Specification

Diameter

Φ76.2±0.5mm                        Φ100.0±0.5mm

Thickness

 0.50±0.05mm                          0.35±0.03mm

Bow

25um

TTV

10um

Orientation

To be as requested ±0.20 ,unless specified

Identification flat position and length is to be as follows

Primary Flat Location

Must be within ±0.20 , unless specified

Primary Flat Length

22±2mm               32±2mm                unless specified

Secondary Flat Length

10±3mm               12±3mm                unless specified

Surface Polish Quality

 

Surface Polish 

Mirror polished 10—15A

Backside Polish

Lapped with GC240 or GC1000 diamond sand and etched

Edge Chips

Edge rounding

Curie Temp. 

1142±30C

Individual wafer Orientation SpecialRequirement

127.86°Y-cut

 

Orientation

127.86°Y±0.20

Primary flat direction     

X-axis.

Secondary Flat   

none 

64°Y-cut

 

Orientation                                  

64°Y±0.20 

Primary flat direction

X-axis 

Secondary Flat

1800 clockwise from the primary flat if required

YZ-cut

 

Orientation

Y-axis±0.20

Primary flat direction     

Z-axis

Secondary Flat                                 

X-axis 

Package

Wafers are packaged in plastic containers(25 wafer each)

 

And are boxed in cardboard with 8 or less containers.

 

Lithium Niobate Wafer, Optical Grade

Item

Specification

Crystal Orientation

X, Z

Orientation Fluctuation

±0.30, two ends of crystal shall be polished.

Diameter

76.2±0.5 mm

Length

5080 mm

Curie Temp.

1142±20C

Orientation of First Reference Flat

As required ±0.20.

Length of First Reference Flat

22±2 mm inspection polished.

Second Reference Flat

Available if required, the length shall be 10±3mm

Appearance

Free of crack, pore, inclusion.

Optical characteristics

 

Transparent range

370—5000nm

Refractive index

633nmno=2.286     ne=2.200

Refractive gradient

633nm)≤5×10-5/cm

Transmittivity

633nm)≥68%

Briefringence index

 n= no - ne0.08

 

Lithium Tantalate Wafer

Item

Specification

Diameter 

Φ76.2±0.5mm                        Φ100.0±0.5mm

Thickness

 0.50±0.03mm                    0.40±0.03mm

Bow

25um

TTV

10um

Orientation

To be as requested ±0.20 ,unless specified.

Identification flat position and length is to be as follows

Primary Flat Location

Must be within ±0.20 , unless specified.

Primary Flat Length 

22±2mm           32±2mm           unless specified.

Secondary Flat Length 

10±3mm           12±3mm           unless specified.

Surface Polish Quality

 

Surface Polish

Mirror Polished 10—15A

Backside Polish

Lapped with GC1200 diamond sand and etched.

Edge Chips

Edge rounding

Curie Temp.

605±30C

Individual wafer Orientation SpecialRequirement

36°Y-cut                                                                 

Orientation                                       

36°Y±0.2° 

Primary flat direction

X-axis.

Secondary Flat                                                               

none

42°Y-cut                                                                  

Orientation     

42°Y±0.2° 

Primary flat direction                                                       

X-axis.

Secondary Flat

1800 clockwise from the primary flat if required.

X-112°Ycut

 

Orientation                                                         

X-axis±0.2°   

Primary flat direction                                                  

112°Y     

Package

Wafers are packaged in plastic containers(25 wafer each)

 

And are boxedin cardboard with 8 or less containers


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