3 Inch AT-Cut Single Crystal Quartz Wafer 76.2mm Diameter 0.08mm Thickness for Frequency Control Applications
3-inch seedless single crystal quartz wafer with AT-cut configuration for precision frequency control applications. This piezoelectric wafer serves as essential raw material for manufacturing quartz crystal resonators, utilizing the inverse piezoelectric effect to generate mechanical vibration at specific frequencies under electric field stimulation.
| Property | Specification |
|---|---|
| Purity | Optical grade: 99.99% |
| Crystal Structure | Hexagonal a=4.914 Å c=5.405 Å |
| Growth Method | Hydrothermal method |
| Hardness | 7.0 Mohs |
| Density | 2.684 g/cm³ |
| Melt Point | 1610°C (phase transition: 573.1°C) |
| Thermal Expansion Coefficient | Perpendicular to Z axis: 13.71, Parallel to Z axis: 7.48 (x10⁻⁶/K) |
| Q Value | 1.8×10⁶; 2.4×10⁶; 3.0×10⁶ |
| Acoustic Velocity | 3160 m/sec |
| Frequency Constant | 1661 kHz/mm |
| Piezoelectric Coupling | BAW: 0.65%, SAW: 0.14% |
| Inclusion | IEC Grade II |
| Diameter | 3" (76.2mm) | 4" (100mm) | 6" (150mm) | 8" (200mm) |
|---|---|---|---|---|
| Thickness | 0.08mm Min-up | 0.10mm Min-up | 0.20mm Min-up | 0.35mm Min-up |
| Primary Flat | 22mm | 32mm | 42.5mm | 57.5mm or notch |
| Surface LTV | ||||
| TTV | ||||
| Bow | -30 | |||
| Warp | ||||
| Surface Type | SSP / DSP | |||
| Edge Criteria | R=0.2mm or Bullnose | |||
| Polished Side Ra | ||||
| Back Side Criteria | 0.2-0.5µm or as customized | |||
With over 30 years of experience in piezoelectric wafer manufacturing, we specialize in single crystal quartz, LiNbO₃, LiTaO₃, quartz glass, LGS, and CTGS materials. We export millions of quartz blanks annually with superior angle precision in AT, SC, and IT cuts.
- Full customization capabilities for specific application requirements
- Technical consultation and recommendations for optimal wafer selection
- Standard wafer inventory available for immediate delivery
- Flexible shipping options via DHL, FedEx, UPS or preferred carriers
- Factory visits and virtual meetings available for quality assurance
All wafers are vacuum-packed and shipped in protective packaging with fragile labeling. Upon receipt, inspect outer carton condition before opening and handle products in clean room environments only.
- Handle packages with care and verify outer carton integrity
- Document packaging condition with photos before removing products
- Open vacuum packaging exclusively in clean room environments
- If damage is detected, photograph/video immediately without removing from packaging
- Contact manufacturer promptly for replacement or refund arrangements
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.