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Brand： ET
model： ET-001
place of origin： china
Colour： Transparent
Density： 2.2g/cm3
Silica content： 99.99
use： High temperature
Melting point： 1730
Annealing Point 1215
Deformation point 1120
Mohs hardness 7
Coefficient of expansion 5.5
Refractive index 1.4585
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Because of its superior light transmittance, extremely low fluorescence intensity, extremely low expansion coefficient, strong thermal shock resistance, excellent chemical stability, excellent scratch resistance, extremely low alkali content, glass crystal The circle is widely used in high-tech products such as CMOS, CCD sensors, integrated circuits or micromechanical component packaging (MEMS), communications and data processing, optics, electronic products, military industry, scientific research and so on. Our company has long-term production of high-precision glass wafers with thickness ≧0.1mm and dimensions ≧Φ2". In addition to the conventional Φ4”, Φ5”, Φ6”, Φ8”, Φ12", other sizes can be customized. Glass wafers usually have Sodalime, Pyrex, Borofloat, Borosilicate
规格 | 4 inch | 5 inch | 6 inch | 8 inch | 12 inch |
直径 | 100 ± 0.1 mm | 125 ± 0.1 mm | 150 ± 0.1 mm | 200 ± 0.1 mm | 300± 0.1 mm |
厚度 | 500 ± 5 um | 625 ± 5 um | 675 ± 5 um | 725 ± 5 um | 900± 5 um |
粗糙度 | Ra ≤ 1 nm | Ra ≤ 1 nm | Ra ≤ 1 nm | Ra ≤ 1 nm | Ra ≤ 1 nm |
翘曲度 | ≤ 10um | ≤ 10um | ≤ 10um | ≤ 10um | ≤ 10um |
平整度 | ≤ 3 um | ≤ 3 um | ≤ 3 um | ≤ 3 um | ≤ 3 um |
表面质量 | 20/10 | 20/10 | 20/10 | 20/10 | 20/10 |
形状 | 圆形；带定位边；带定位角 | ||||
倒边 | 45°, SEMI Spec; C Shape | ||||
材质 | Sodalime, Pyrex, Borofloat, Borosilicate (D263T),Corning eagle XG, BK7, and etc. | ||||
备注 | 玻璃晶圆可定制 | ||||