Czochralski-Grown Lithium Tantalate LiTaO3 Wafers 3" 4" 6" for Optical and SAW Applications with 605°C Curie Temperature
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
Czochralski-Grown Lithium Tantalate (LiTaO3) Wafers
High-quality single crystal Lithium Tantalate wafers manufactured using the Czochralski pulling method, specifically engineered for optical and Surface Acoustic Wave (SAW) applications.
Material Properties & Specifications
Available Configurations
| Material | 3", 4", 6" LT wafer Saw/Optical grade |
|---|---|
| Orientation | X112°, Y28°, Y36°, Y42°, YZ or Customized |
| Curie Temperature | 605°C±3°C |
| Doping | Fe doped or undoped |
| Single Domain | Completed Polarization / Reduced |
Wafer Specifications
| Product | Lithium Tantalate (LT) Wafer | |
|---|---|---|
| Diameter | 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 Properties
| 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 |
Product Images
Frequently Asked Questions
What are the products you mainly work on?
We are piezoelectric wafer specialists with over 30 years of experience. We specialize in Single Crystal Quartz, LiNbO3, LiTaO3, Quartz glass, LGS, and CTGS materials. We are particularly renowned for our quartz blanks, exporting millions annually with superior angle precision for AT, SC, and IT cuts.
Can you accept product customization?
Yes, we offer full customization capabilities and can fabricate wafers according to your specific requirements. Our experienced team can provide technical guidance if you're uncertain about specifications. We also maintain standard wafer inventory for immediate availability.
Can you deliver the goods via our courier agent?
We can ship using your preferred courier service (DHL, FedEx, UPS, etc.) via your account. We optimize packaging to minimize shipping costs while ensuring product safety. We also offer freight management services with discounted international shipping rates.
How can you guarantee we get what we want safely?
We use specialized packaging with buffer materials and clearly label fragile items. For any transit damage, please follow our acceptance check procedure: document the condition before removing products from packaging and contact us immediately for resolution.
Can we visit your factory?
Factory inspections are welcome and encouraged for large orders and long-term partnerships. We also offer videoconferencing options for remote discussions and inspections.
Acceptance Check Procedure
- Handle products with care upon receipt and inspect outer carton condition
- Document packaging alignment with photos before removing contents
- Open vacuum packaging only in clean room environments during application
- If damage is detected during transit, immediately photograph/video record without removing products from packaging boxes, then contact us for resolution
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Hangzhou Freqcontrol Electronic Technology Ltd.
Location
Room 1106, CIBC, No.198 Wuxing Rd, Hangzhou, P.R.China
Contact Person
Xu