3 Inch 4 Inch Single Crystal Quartz Wafer AT-Cut ST-Cut for SAW and MEMS
BonTek Optoelectronics provides high quality Single Crystal Quartz wafers in both SAW grade and optical grade. We can offer various orientation options including X cut , Y cut , Z cut , AT cut, ST cut, etc. or just any cut angle you can imaging for your unique applications at reasonable price.
| Single Crystal Quartz Material Properties |
| Purity | Optical grade: 99.99% |
| Crystal Structure and lattice parameters | 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 deg C (phase transition point: 573.1 °C) |
| Specific heat | 0.18 cal/g |
| Thermoelectric Constant | 1200 mV / °C @ 300 °C |
| Thermal conductivity | 0.0033 cal/cm/ °C |
| Thermal expansion coefficient, (CTE) (x10^-6/ K) | perpendicular to Z axis: 13.71 parallel to Z axis: 7.48 |
| Refractive Index | 1.544 |
| Q value Acoustic velocity, SAW Frequency constant, BAW Piezoelectric coupling, | 1.8 x 10^6; 2.4 x 10^6, 3.0 x 10^6 3160 ( m/sec ) 1661 ( kHz/mm ) K2 (%) BAW: 0.65 SAW: 0.14 |
| Inclusion | IEC Grade II |
| Diameter | 3”(76.2mm) | 4”(100mm) |
| Thickness | 0.08mm Min-up | 0.10mm Min-up |
| Primary Flat | 22mm | 32mm |
| Surface | TTV | <1.5~3 µm |
| Bow | -30<bow<30 |
| Surface Type | SSP / DSP |
| Polished side Ra | <1.0nm or per requested |
FAQs:
- Q: What are the products you mainly work on?
A: We look at ourselves as the piezo wafer specialist. We are the very first to work with Single Crystal Quartz in China about 30 years ago. Then gradually we step in the field of LiNbO3, LiTaO3, Quartz glass, LGS, CTGS etc. Especially, if you are looking for a piezo quartz supplier, we are the ultimate choice! We export millions of quartz blanks each year because we master the AT, SC and IT cuts with superior angle precision.
- Q: Can you accept product customization?
A: Yes, of course. We can fabricate as per your request. In addition, we are so experienced with piezo wafers that we can provide you relevant suggestions if you are not 100% sure about your choice. Besides, we do have some standard wafers in stock, please check with us.
Acceptance Check
- The product is fragile. We have adequately packed it and labeled it fragile. We deliver through excellent domestic and international express companies to ensure transportation quality.
- After receiving the goods, please handle with care and check whether the outer carton is in good condition. Carefully open the outer carton and check whether the packing boxes are in alignment. Take a picture before you take them out.
- Please open the vacuum package in a clean room when the products are to be applied.
- If the products are found damaged during courier, please take a picture or record a video immediately. DO NOT take the damaged products out of the packaging box! Contact us immediately and we will solve the problem well.
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3 Inch Single Crystal Quartz Wafer ST Cut For SAW Application Images
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