Include Product Page SiO2
| LINEAR FORMULA: | SiO2 |
| PURITY: | >99.99% |
| CRYSTAL ORIENTATION: | (100), (110) & (111) |
| GROWTH METHOD: | Hydrothermal method |
| CRYSTAL STRUCTURE: | Hexagonal |
| LATTICE CONSTANT: | a= 4.914 Å |
| MELTING POINT (°C): | 1610 |
| THERMAL EXPANSION COEFFICIENT (/K): | perpendicular to Z axis: 13.71 parallel to Z axis: 7.48 |
| HARDNESS: | 7 |
| MOLAR MASS (G/MOL): | 60.08 |
| DENSITY (G/CM3): | 2.684 g/cm3 |
| REFRACTIVE INDEX: | 1.544 |
| DIELECTRIC CONSTANTS: | 3.7 - 3.9 |
| CHEMICAL STABILITY: | |
| SIZES: | 5x5mm, 10x10 mm, 20x20 mm, 1 inch diameter, 2 inch diameter, 60 mm diameter 3 inch MgO wafers and 4 inch |
| TYPICAL THICKNESS: | 0.5mm |
| SIZE TOLERANCES: | +/- 0.1mm |
| THICKNESS TOLERANCES: | +/- 0.015mm |
| ORIENTATION PRECISION: | +/-0.5 degree |
| POLISHING OPTIONS: | SINGLE SIDED (1SP) OR BOTH SIDES POLISHED (2SP) |
| ROUGHNESS RA: | <0.5nm |
