Fe2O3 Doped Lithium Tantalate Wafer 3'' 4'' 6'' Diameter for Enhanced Photorefractive Applications
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
Product Overview
Fe2O3-doped Lithium Tantalate (LiTaO3) wafers with enhanced photorefractive properties. Available in 3-inch (76.2mm), 4-inch (100mm), and 6-inch (150mm) diameters with various thickness options from 0.07mm to 1.0mm.
Technical Specifications
Wafer Dimensions
| Diameter | 76.2±0.2mm | 100±0.2mm | 150±0.2mm |
|---|---|---|---|
| Primary Flat | 22±1mm | 32±1mm | 47.5mm, 57.5mm, Notch |
| Orientation | 36°Y, 42°Y, X-112°Y, Y, Z | ||
| Thickness | 0.07mm~1.0mm | 0.1mm~1.0mm | 0.35mm~1.0mm |
| Surface Finish | Single / Double side polish / Double side lapped | ||
Quality Parameters
| TTV | < 1~5µm | ||
| BOW | ± (20µm ~40µm) | ||
| Warp | <= 20µm ~ 50µm | ||
| LTV (5mm×5mm) | <1.5 µm | ||
| PLTV (<0.5µm) | ≥98% (5mm×5mm) with 2mm edge excluded | ||
| Polished side Ra | Roughness Ra<=5Å | ||
| Back Side Criteria | Roughness Ra: 0.5-1.0µm, GC#1000 | ||
| Scratch & Dig (S/D) | 20/10, 40/20, 60/40 | ||
| Edge Profile | Compliant with SEMI M1.2@with GC800# regular at C typed | ||
| Cracks, saw marks, stains | None | ||
Material 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 |
Enhanced Photorefractive Performance
Fe2O3-doped congruent LiTaO3 crystals grown by Czochralski method demonstrate superior photorefractive properties compared to undoped LiTaO3. Lattice constant increases with Fe2O3 content, optimizing performance for advanced optical applications.
Product Images
Frequently Asked Questions
What are your primary product specialties?
We specialize in piezoelectric wafers, being China's first single crystal quartz manufacturer with 30 years of experience. 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.
Do you accept product customization?
Yes, we offer complete customization and can fabricate according to your specifications. Our experienced team provides technical guidance for optimal wafer selection. Standard wafer options are also available from stock inventory.
Can you ship using our preferred courier service?
We accommodate all major courier services including DHL, FedEx, and UPS. You can use your account or we can arrange shipping with our discounted rates. All products are carefully packaged to minimize shipping costs while ensuring safety.
How do you ensure product safety during shipping?
Fragile wafers receive comprehensive protective packaging with fragile labeling. We recommend following our acceptance check procedure upon delivery to verify product condition. In case of damage, immediate documentation and contact ensures prompt resolution through replacement or refund.
Acceptance Check Procedure
Important: Handle all wafer products with extreme care. Open vacuum packaging only in clean room environments. Document any shipping damage immediately without removing products from packaging.
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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