50mm Langasite Crystal Wafers for SAW/BAW Devices - 100mm Diameter, 0.50mm Thickness with High SAW Properties
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
Langasite Crystal Wafers for SAW and BAW Devices
High-performance 50mm langasite crystal wafers engineered for surface acoustic wave (SAW) and bulk acoustic wave (BAW) devices in advanced communication systems.
Technical Specifications
| Parameter | Specification | Tolerance |
|---|---|---|
| Cut, A1 | 138.5°/140° | ±0.1° |
| Cut, A2 | 26.7°/25° | ±0.1° |
| Diameter | 100mm | ±0.25mm |
| Thickness | 0.50mm | ±0.03mm |
| Reference Flat F1 | 32.0mm | ±2.50mm |
| Secondary Flat F2 | 11.0mm | ±2.00mm |
| Front Side | Polished Ra < 1.0 nm | |
| Back Side | Lapped, 0.4 μm < Ra < 0.6 μm | |
| Flatness | < 10μm | |
| Edge | Round Ground, C shape | |
Material Properties Comparison
| Property | Quartz (SiO₂) | Langasite (La₃Ga₅SiO₁₄) |
|---|---|---|
| Density (g/cm³) | 2.65 | 5.746 |
| SAW Velocity (m/s) | 3157 | 2756 |
| K²emc % (SAW) | 0.14 | 0.36 |
| Second Order Temp. Coef. (×10⁻⁸/°C²) | -3.2 | -6.8 |
| Temp. Coef. TTO (°C) | 25 | 23 |
| Dielectric Constant (ε) | 4.92 | 27 |
| Power Flow Angle (°) | 0 | 0.5 |
Product Images
Frequently Asked Questions
What products do you specialize in?
We are piezoelectric wafer specialists with 30 years of experience. We manufacture single crystal quartz, LiNbO₃, LiTaO₃, quartz glass, LGS, and CTGS wafers. We export millions of quartz blanks annually with superior angle precision in AT, SC, and IT cuts.
Do you accept product customization?
Yes, we offer full customization and can fabricate wafers according to your specifications. Our experienced team provides technical guidance and we maintain standard wafer inventory for immediate delivery.
Can you ship via our courier agent?
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. We optimize packaging to minimize shipping costs.
How do you ensure product safety during shipping?
We use specialized packaging with vacuum sealing, buffer sponge, and fragile labeling. Follow our acceptance check procedure: inspect outer carton condition, photograph packaging before opening, and contact us immediately if damage is found without removing products from packaging.
Acceptance Check Procedure
- Handle packages carefully and check outer carton condition
- Photograph packaging alignment before opening
- Open vacuum packages only in clean room environments
- Document any damage immediately without removing products
- Contact us promptly for replacement or refund arrangements
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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