4 Inch 0.5mm Double Side Polish Lithium Niobate Wafer 128Y Cut for SAW Filters and Transducers
Price:
Negotiable
MOQ:
5 pcs
Delivery Time:
1-4 weeks
Brand:
BonTek
Product Description
Product Overview
4-inch 0.5mm double-side polished Lithium Niobate (LiNbO3) wafer with 128Y cut, engineered for SAW filters and transducers. This ferroelectric material delivers exceptional electro-optic, nonlinear optical, and piezoelectric performance.
Key Applications
- Optical waveguide components
- Surface Acoustic Wave (SAW) filters
- High-power, high-temperature ultrasonic transducers
Material Specifications
| Parameter | Specification |
|---|---|
| Available Sizes | 3", 4", 6", 8" (SAW/Optical grade) |
| Orientation | X/Z/Y41°/Y64°/Y128°/YZ/YX or Customized |
| Surface Finish | Single or double side polish (DLP/SLP/SSP/DSP available) |
| Thickness | 0.18mm, 0.25mm, 0.35mm, 0.50mm, 1.00mm+ |
| TTV | < 1-5µm |
| BOW | ±25µm to ±40µm |
| Warp | ≤35µm |
| LTV (5mm×5mm) | <1.5µm |
| PLTV (<0.5µm) | ≥98% (5mm×5mm with 2mm edge excluded) |
| Curie Temperature | 1142°C±3°C |
| Edge Treatment | SEMI M1.2 compliant with GC800#, typically C-type |
| Orientation Flats | Available upon request |
| Doping Options | Zn, MgO single or double doping available |
| Polished Side Ra | Roughness Ra ≤5Å |
| Back Side Criteria | Roughness Ra: 0.5-1.0µm GC#1000 |
| Edge Rounding | SEMI M1.2 Standard / IEC62276 compliant |
| Cracks/Saw Marks/Stains | None |
| Single Domain | Completed polarization/reduction |
Physical Properties
| Property | Value |
|---|---|
| Growth Method | Czochralski method |
| Crystal Structure | M3 |
| Unit Cell Constant | a=b=5.148Å, c=13.863Å |
| Melting Point | 1250°C |
| Density | 4.64 g/cm³ |
| Hardness | 5 (Mohs) |
| Refractive Index | no=2.286, ne=2.203 at 632.8nm |
| Nonlinear Coefficient | d33=34.45, d31=d15=5.95, d22=13.07 (pmv⁻¹) |
| Optical Transmittance | 370-5000nm, >68% at 632.8nm |
| Thermal Expansion | a11=15.4×10⁻⁶/K, a33=7.5×10⁻⁶/K |
Product Images
Frequently Asked Questions
Q: What are your primary product specialties?
A: We are piezoelectric wafer specialists with 30 years of experience, starting with Single Crystal Quartz in China. Our expertise extends to LiNbO3, LiTaO3, Quartz glass, LGS, and CTGS materials. We are the preferred supplier for piezo quartz, exporting millions of quartz blanks annually with superior angle precision in AT, SC, and IT cuts.
Q: Do you accept product customization?
A: Yes, we fabricate according to customer specifications. Our experienced technical team provides material selection guidance and offers standard wafer options from inventory.
Q: Can you ship via our preferred courier?
A: Yes, we accommodate DHL, FedEx, UPS and other major carriers using your account. We optimize packaging to minimize shipping costs and also offer our own competitive shipping arrangements.
Q: How do you ensure product safety during shipping?
A: We use specialized fragile packaging with buffer materials and work with reliable couriers. Please follow our acceptance check procedure: inspect outer carton condition, photograph packaging before opening, handle in clean room environment, and immediately document any damage without removing products from packaging.
Acceptance Check Procedure
- Handle with care and check outer carton condition upon receipt
- Photograph packaging before opening
- Open vacuum package in clean room only when ready for application
- If damage is found, photograph/video immediately without removing from packaging and contact us
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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