High Temperature Langasite Wafers 100mm Diameter 0.50mm Thickness for SAW BAW Piezoelectric Applications
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
High Temperature Langasite Wafers for SAW/BAW Applications
Langasite (LGS) crystal is a multifunctional piezoelectric material with excellent high-temperature stability up to 1470°C. These precision wafers are specifically engineered for surface acoustic wave (SAW) and bulk acoustic wave (BAW) applications, offering superior piezoelectric coupling and thermal performance.
Product Images
Material Properties
| Property | Value |
|---|---|
| Crystal Structure | Trigonal system, group 33 a=8.1783 c=5.1014 |
| Growth Method | Czochralski |
| Hardness | 6.6 Moh's |
| Density | 5.754 g/cm³ |
| Melt Point | 1470°C |
| Thermal expansion (x10⁻⁶/°C) | α₁₁: 5.10, α₃₃: 3.61 |
| Acoustic velocity, SAW | 2400 m/sec |
| Frequency constant, BAW | 1380 kHz/mm |
| Piezoelectric coupling K² (%) | BAW: 2.21, SAW: 0.3 |
| Inclusions | None |
Wafer Specifications
| Parameter | Value | Tolerance |
|---|---|---|
| Cut, A1 | 138.5° | ±0.1° |
| Cut, A2 | 26.7° | ±0.1° |
| Diameter D | 100mm | ±0.25mm |
| Thickness T | 0.50mm | ±0.03mm |
| Reference Flat F1 | 32.0mm | ±2.50mm |
| Secondary Flat F2 | 11.0mm | ±2.00mm |
Surface Specifications
| Surface Type | Finish | Quality |
|---|---|---|
| Front Surface | Polished | Ra |
| Back Surface | Lapped | 0.4 μm |
| Flatness | ||
Quality Assurance
- No scratches, cracks, contamination, dimples, pits, or orange peel defects
- Edge chips: Radial depth
- No chips by visual inspection
- Rounded edge bevel
Frequently Asked Questions
What are your main products?
We are piezoelectric wafer specialists with 30 years of experience. We manufacture single crystal quartz, LiNbO₃, LiTaO₃, quartz glass, LGS, and CTGS wafers with superior angle precision.
Can you accept product customization?
Yes, we offer custom fabrication and provide technical guidance. We also maintain standard wafer inventory for immediate delivery.
Can you deliver via our courier agent?
Yes, we can ship using your preferred courier (DHL, FedEx, UPS) and optimize packaging to reduce shipping costs.
How do you guarantee product safety during shipping?
We use specialized packaging with buffer sponge and fragile labeling. Follow our acceptance check procedure for damage claims.
Acceptance Check Procedure
Important Shipping Instructions:
• Handle with care and inspect outer carton condition upon receipt
• Photograph packaging before opening
• Open vacuum package in clean room only
• If damage is found, photograph immediately and contact us without removing from packaging
• Handle with care and inspect outer carton condition upon receipt
• Photograph packaging before opening
• Open vacuum package in clean room only
• If damage is found, photograph immediately and contact us without removing 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