60mm Langasite Wafer 0.5mm Thickness with DSP Polish and Euler Angles (0° 138.5° 26.7°) for SAW/BAW Devices
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
Product Overview
60mm diameter Langasite (LGS) wafer with 0.5mm thickness and DSP surface polish, featuring Euler angles (0°, 138.5°, 26.7°). Langasite (La3Ga5SiO14) is a high-performance piezoelectric material with excellent thermal stability up to 1470°C melting point.
Key Specifications
Diameter: 60mm (customizable 10-60mm)
Thickness: 0.5mm (customizable 0.25-0.5mm)
TTV (2" Wafer): < 10μm
Surface Roughness: Ra ≤ 1nm
Surface Polish: DSP
Reference Flats: First 15.0mm, Second 8.0mm
Orientation: Euler angles (0°, 138.5°, 26.7°) - 42.5° rotated Y-cut with reference flat perpendicular to 26.6° rotated X axis
Material Properties
| Property | Value |
|---|---|
| Point Group | 32 |
| Space Group | P321 |
| Resistivity | 4.0×10¹² Ω/cm |
| Melting Point | 1470°C |
| Density | 5.67 g/cm³ |
| Mohs Hardness | 5.5 |
| Dielectric Constant | ε₁₁=18.27, ε₃₃=55.26 |
| Piezoelectric Strain Constant | d₁₁=6.3, d₁₄=-5.4 (10⁻¹² C/N) |
| Electromechanical Coupling Coefficient | 0.28-0.46% |
| Thermal Expansion Coefficient | α₁₁=5.15×10⁻⁶ K⁻¹, α₃₃=3.65×10⁻⁶ K⁻¹ |
Applications
- Surface Acoustic Wave (SAW) devices
- Bulk Acoustic Wave (BAW) devices
- Pressure sensors
- Acceleration sensors
- High-temperature piezoelectric components
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 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 full customization and can fabricate according to your specifications. Our experienced team can provide technical guidance if needed. We also maintain standard wafer inventory for quick delivery.
Can you ship via our courier agent?
We can ship using your preferred courier (DHL, FedEx, UPS) via your account. We optimize packaging to minimize shipping costs while ensuring product safety. We also offer freight services with discounted rates.
How do you ensure product delivery safety?
We use reinforced packaging with buffer sponge and fragile labeling. Upon receipt, please check outer carton condition before opening. Document any damage immediately without removing products from packaging, and contact us for resolution.
Acceptance Check Procedure
Handle with care upon receipt. Check outer carton condition and document packaging alignment before opening. Open vacuum packaging only in clean room conditions when ready for use.
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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