LiTaO3 Lithium Tantalate Wafer 3-inch & 4-inch Diameter for Telecom & Mobile Phone Components
Lithium Tantalate (LiTaO3) wafers are high-performance optical crystals featuring piezoelectric, electro-optic, acousto-optic, and nonlinear optical properties. These 3-inch and 4-inch diameter wafers serve as exceptional materials for acoustic transmission media and high-frequency transducers in telecommunications and mobile phone applications.
- Surface acoustic wave filters and resonators
- Q-switches and optical modulators
- Acousto-optic switches and laser frequency doubling
- Optical parametric oscillators and optical storage
- High-temperature ultrasonic detectors and infrared sensors
- Optical pickup devices for telecommunications
| Parameter | 3-inch (76.2mm) | 4-inch (100mm) |
|---|---|---|
| S/D | 20/10 | 20/10 |
| TTV | <3μm | <3μm |
| PLTV | >95% | >95% |
| Warp | <20μm | <40μm |
| BOW | <20μm | <30μm |
| Ra | <0.5nm | <0.5nm |
| Reduction | Standard White Black Reduced | Standard White Black Reduced |
| Dope | Fe doped Yellow Black | Fe doped Yellow Black |
| Crystal Structure | Trigonal, Space group R3c, Point group 3m |
| Cell Parameters | a=5.154Å, c=13.781Å |
| Melting Point | 1650℃ |
| Curie Temperature | 607℃ |
| Mohs Hardness | 5.5 |
| Density | 7.46g/cm³ |
| Dielectric Constants | ε11/ε0:51.7 ε33/ε0:44.5 |
| Elastic Stiffness Coefficients | CE11:2.33(×10¹¹N/m²) CE33:2.77(×10¹¹N/m²) |
| Piezoelectric Strain Constants | d22:2.4(×10⁻¹¹C/N) d33:0.8(×10⁻¹¹C/N) |
| Transmission range | 400-4500nm |
| Electro-optical coefficients | r33=30.4pm/V |
| Refractive index at 632.8nm | no=2.176, ne=2.180 |
We are piezoelectric wafer specialists with over 30 years of experience, being China's first manufacturer of single crystal quartz. Our expertise extends to LiNbO3, LiTaO3, quartz glass, LGS, and CTGS materials. We export millions of quartz blanks annually with superior angle precision for AT, SC, and IT cuts.
Yes, we offer complete customization services and can fabricate wafers according to your specifications. Our experienced team provides technical guidance if you're uncertain about material selection. We also maintain standard wafer inventory for immediate delivery.
We accommodate shipping through your preferred courier agents (DHL, FedEx, UPS) using your account. Our optimized packaging minimizes shipping costs while ensuring product safety. We also offer freight management with our established courier partnerships.
We employ specialized packaging with buffer materials and fragile labeling. For acceptance verification, please follow these steps: check outer carton condition, photograph packaging before opening, open vacuum packages in clean rooms only, and immediately document any damage without removing products from packaging.
Important Handling Instructions: Products are fragile and require careful handling. Always inspect packaging upon receipt and document any transit damage immediately. Open vacuum-sealed packages only in clean room environments when ready for application.
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