HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD
HENAN ZG INDUSTRIAL PRODUCTS CO.,LTD
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high quality single crystal quartz wafer including SAW grade and optical grade
We provides high quality single crystal quartz wafer including SAW grade and optical grade . We can offer various orientation options including X cut , Y cut , Z cut , AT cut and ST cut for your unique applications at reasonable price . Single crystal quartz wafer have many unique features such as piezoelectric property , good optical property and high optical transmittance , these special features makes single crystal quartz wafer ( synthetic quartz crystal ) suitable for surface acoustic wave ( SAW device ) , piezoelectric resonator , microwave filters , pressure sensor , and MEMS application . Single crystal quartz wafer can be fabricated in round or square shape , with a SEMI flat or without flat , one side polished or two sides polished , size from 1" to 4 " , thickness range from 0.4 , 0.5 , 0.7 , 1.1 to 3 mm , ultrasonic cleaning and cleanroom compatible wafer cassette package are also available. Additionally , we offer custom specifications designed to your unique needs including , dimension , SEMI. standard flats , surface roughness , edge profile , thickness , flatness , surface quality , cleanliness package method . We have single crystal quartz wafer in stock and can machine to your specification with high precision surface finish . Please contact us for further product information .
| Chemical formula | SiO2 |
| Growth method | Hydrothermal |
| Crystal structure | Hexagonal |
| Lattice constant | a=4.9 A , C=5.4 A |
| Q value | 1.8 x 10 6 min. |
| Inclusion | IEC Grade II |
| Grade | SAW grade , Optical grade |
| Mechanical Properties | |
| Density | 2.67 g / cm3 |
| Poisson's ratio | NA |
| Young's modulus | 97.2 Gpa / 76.5 Gpa |
| Moh's hardness | 7 |
| Thermal Properties | |
| Melt point | 1620 °C |
| Specific heat | 0.18 cal / gm |
| Thermal conductivity | 0.0033 cal / cm / °C |
| Thermal expansion coefficient | 13.71 ×10 - 6 K-1 |
| Electrical Properties | |
| Resistivity ( ohm-cm ) | 8@250 °C / 6.5@350 °C |
| Loss Tangent | 37 x 10-4 |
| Dielectric constant e | 4.6 |
| Optical Properties | |
| Refractive index ( @ 589 nm ) | Nd =1.544 |
| Diameter | Ø 1" / Ø 2" / Ø 3" / Ø 4"/ Ø 6" |
|---|---|
| Square size | 10 x 10 / 20 x 20 / 50 x 50 / 100 x 100 mm |
| Thickness | 0.4 mm / 0.5 mm / 0.7 mm / 1.1 mm |
| Angle cut | X cut / Y cut / YX cut / Z cut |
| AT-cut 36° / ST cut 42.75° | |
| Surface | one side polished / two sides polished |
| Flat | SEMI.Std. flat or Notch |
| TTV | <= 15 um |
| Roughness | Ra <=10 A |
| Surface quality | 60 / 40 |
| Package | Ampak cassette / jar |