Customized SAW Grade LiTaO3 Crystal Substrate LT Wafer
Customized SAW Grade LiTaO3 Crystal Substrate LT Wafer
Item Number:X-P22L1Y6901
Lithium tantalate (LiTaO3) is a perovskite which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensorssuch as motion detectors, terahertz generation and detection, surface acoustic waveapplications, cell phones and possibly pyroelectric nuclear fusion. Considerable information is available from commercial sources about this salt.
- Material: LT, LN etc..
- Dimension: 5mm-460mm
- Thickness: 0.1mm-30mm
- Surface Accuracy: lambda/8
- Surface Quality: 20/10
- Tolerance: +/-0.01mm
- Parallelism: 30"
LiTaO3(LT) Crystal Boule | Piezoelectric Crystal Lithium Tantalate LT LiTaO3 Crystal Boule Manufacturer
Lithium Tantalate(LiTaO3) has unique properties, which as a material finds uses in Electro-Optical and Acousto-Optical applications. These can be surface acoustic wave devices, bulk acoustic wave devices, piezo-electric transducers and piezoelectric sensors.
Lithium tantalate (LiTaO3) is a perovskite which possesses unique optical, piezoelectric and pyroelectric properties which make it valuable for nonlinear optics, passive infrared sensorssuch as motion detectors, terahertz generation and detection, surface acoustic waveapplications, cell phones and possibly pyroelectric nuclear fusion. Considerable information is available from commercial sources about this salt. 
The 36° and 42 ° cuts of Lithium Tantalate have shown widespread adoption for the telecommunications mobile phone handset market at frequencies from 800 to 2100 MHz. These orientations show an optimized bandwidth / insertion loss trade off in performance and are dominating the ever expanding mobile handset sales.
| Material | LiTaO3 Crystal Boule | Transparency | 400-5000nm |
| Absorption Edge | 270nm | Absorption Loss | < 0.15 %/cm @ 1064 Nm |
| Refractive Indices | No=2.176,ne=2.180(at 0.633 µm) No=2.131,ne=2.134(at 1.2 µm) | Orientation | X-112°Y,36°Y,42°Y±0.5 |
| Curie Temperature | 607℃ | Thermal Conductivity | 8.78x 10-7 M2/sec |
| High Light | Boule Piezoelectric Effect Crystals, LT Piezoelectric Effect Crystals, Piezoelectric lithium tantalate crystal | ||
VY's LiTaO3 lithium tantalate crystal has >99.99% purity. Find high-quality lithium tantalate bulk crystals, wafers and substrates. LiTaO3 crystal boule is grown by Czochralski method. Max diameter reach 4inch.
Product Details
| Place of Origin | China |
| Certification | SGS/COC |
| Payment & Shipping Terms | T/T, Western Union, Paypal, Credit Card, MoneyGram |
| Minimum Order Quantity | 1 piece |
| Price | Communicated |
| Packing Details | Safe box |
| Delivery Time | 3-4 weeks |
| Supply Ability | 20000 pieces/month |
LiTaO3 Crystal Boule that VY Optoelectronics Co.,Ltd. provides had characteristic
1) Excellent photoelectric property
2) High Damage Threshold
3) High Curie Temperature
Applications
1 ) Quasi-phase Matching for SHG and OPO
2 ) Pyroelectric Infrared Detector
3 ) Surface acoustic wave (SAW) wafers
Video introduction
Basic Properties of LiTaO3
| Crystal symmetry | Trigonal, 3m |
| Lattice constant, A | a = 5.154 c = 13.783 |
| Density, g/cm3 | 7.45 |
| Melting point , °C | 1650 |
| Curie point , °C | 605 |
| Mohs hardness | 6 |
| Thermal expansion coefficient, 10-6/ °C | aa = 16 ac = 4 |
| Thermal conductivity , mW/cm °C | 46 |
| Dielectric Constant (@ 100 KHz) | ea = 54 ec = 43 |
| Refractive indices @ 633 nm | no = 2.175 ne = 2.180 |
| Pyroelectric Coefficient: | -2.3 10-4 C/°C/m2 |
Typical Specifications
| Cutting Angle | Deg. | X/Y/Z/Y36/Y42/Y48/X112 etc | |
| Diameter/size | mm | 3”/76.2 | 4”/100 |
| Tol(±) | mm | 0.25 | 0.5 |
| Thickness | mm | 0.10mm or more | 0.18mm or more |
| Primary reference flat | mm | 22mm or customized | 32.5mm or customized |
| LTV (5mmx5mm) | µm | < 2 | < 2 |
| TTV | µm | < 8 | < 10 |
| Bow | µm | ±20 | ±25 |
| Warp | µm | ≤ 30 | ≤ 40 |
| PLTV | % | ≥95%(5mm*5mm) | ≥95%(5mm*5mm) |
| Orientation Flat |
| All available | |
| Surface Type |
| Single Side Polished /Double Sides Polished | |
| Polished side Ra | nm | ≤1 | |
| Back Side Criteria | µm | General is 0.2-0.5 or as customized | |
| Edge Rounding | mm | Compliant with SEMI M1.2 Standard/refer to IEC62276 | |
Crystal orientations available: Z-cut, X-cut, Y-cut
Typical product sizes available: Bulk crystals: up to 4 inch diameter and 50 mm thick
Crystal substrates / wafers (single side or double side polished)
1) 10 x 10 x 0.05 mm
2) 2 inch diameter x 0.05mm thick
3) 4 inch diameter x 0.15mm thick
Note: Other sizes and coatings are available upon request
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