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saw grade lithium niobate wafer
saw grade lithium niobate wafer
saw grade linbo3 wafers
saw grade linbo3
saw grade lithium niobate

SAW Grade Lithium Niobate Wafers

OST Photonics offer a variety of sizes and thicknesses of SAW grade Lithium Niobate (LiNbO3) wafers, with wafer diameters ranging from 3 inch to 8 inch, the thickness can be customized according to your requirements (generally above 0.18 mm). The orientations can be X/Y/Z/Y36/Y41/Y64/Y128 etc. SAW grade pyroelectric free black LiNbO3 wafers are also available upon request.



Application of SAW Grade Lithium Niobate Wafers


  • Surfaced acoustic devices

  • Q-switching devices

  • High-performance gyroscope

  • Accelerators and accelerometer sensors

  • MEMS devices


Advantages of SAW Grade Lithium Niobate Wafers


  • Stable mechanical properties

  • Good machinability

  • Heat and corrosion resistance

  • Low cost

  • Easy to grow into large crystals


Ability of SAW Grade Lithium Niobate Wafers


  • Diameter: 3”, 4”, 6”, 8”

  • Orientations: X, Y, Z, Y36, Y41, Y64, Y128 etc.

  • Thickness: 0.25mm, 0.35 mm, 0.5 mm, 1.0 mm etc.

  • Available items: crystal wafers, black reduced wafers, boules, blanks and customized optics


Product parameters of SAW Grade LiNbO3 Wafers


Material

LiNbO3 single crystal

Curie Temp

1142±2.0℃

Reduction

Standard Black - 0.9E+11 ~ 9.0E+11

Super Black - 1.0E+10 ~ 9.0E+10

Cutting Angle

X/Y/Z/Y36/Y41/Y64/Y128 etc

Orientation Tolerance (±)

≤15′

Diameter

3”/4”/6”/8”

Diameter Tolerance (±)

≤0.20 mm

Thickness

0.18 ~ 0.5mm or more

Thickness Tolerance (±)

≤0.025 mm

Primary Flat Length

22mm/32mm/42.5mm/57.5mm

LTV (5mmx5mm)

<1.5 µm

TTV

<1~5 µm

BOW

± (25~40 um)

Warp

<= 35 µm

PLTV(<0.5um)

≥98%(5mm*5mm) with 2mm edge excluded

Orientation Flat

According to our standards or your requests

Surface Type

Single side polished(SSP)/double sides polished(DSP)/double sides lapped(DSL)

Polished Side Ra

<0.5nm

Lapped Side Ra

General is 0.2-0.5 um or as customized

Edge Criteria

Compliant with SEMI M1.2 Standard/refer to IEC62276

Wafer Surface Criteria

Transmissivity

General:5.9x10^-11<s<2.0*10^-10 at 25℃

Contamination

None

Particles φ>0.3 um

<= 30

Scratch , Chipping

None

Defect

No edge cracks, scratches, saw marks, stains

Packaging

Qty/Wafer box

25pcs per box


Product Parameters of SAW Grade LiNbO3 Boules


Material

Grade

Diameter

Growth direction

LiNbO3

SAW

3”/4”/6”/8”

X/Y/Z/Y41/Y64/Y128/Y36/Y etc


Properties of SAW Grade Lithium Niobate Wafers


Growth method

Czochralski method

Crystal structure

M3

Lattice Constant

a=b=5.148 Å     c=13.863 Å

Melting point (℃)

1250

Density(g/cm3)

4.64

Hardness

5 (Mohs)

Refractive index

no=2.286 ne=2.203  at 632.8nm

Nonlinear coefficient

d33=34.45, d31=d15=5.95, d22=13.07 (pmv-1)

Electro-optical coefficient

γ13=8.6, γ22=3.4, γ33=30.8, γ51=28.0, γ22=6.00 (pmv-1)

Optical transmittance

370 ~ 5000nm and >68% at 632.8nm

Thermal expansion

a11=15.4x10^-6/K, a33=7.5x10^-6/K



Related SAW & Optical Grade Lithium Niobate Wafers
Contact Us
Welcome your presence, you can send us an email, we will get in touch with you within 24 hours.
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
Head Office: No. 66, 8 Group, Chengbei Village, Yanguan Town, Jiaxing 314411, China;

Hangzhou Branch: Room 1012, Chunhua Bussiness Center, No. 159, Hangbo Street, Shangcheng District, Hangzhou 310009, Zhejiang, China
sales@ostphotonics.com; info@ostphotonics.com +86-0571-86780460