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Silica (SiO2) Photoelectric Crystal

Item Number:
ALB-CR-013
Product Name:
Silica (SiO2) Photoelectric Crystal
CAS Number:
[7631-86-9]
Formula:
SiO2
Shape:
Wafer (slice / substrate), boule and crystal form
Size:
Custom-made
Quantity:
10pc, 100pc, 1000pc
Supplier:
ALB Materials Inc
Synonyms:

SiO2 Wafers, SiO2 Substrate, SiO2 Slice, Silica Wafers, Silica Substrate, Silica Slice

Price($, USD):

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Related Products:
Silicon Products,Oxygen Products

Silica (SiO2) Crystal | Photoelectric Crystal Material

Growth method Hydro-thermal method
Crystal Structure M6
Unit cell constant a=4.914Å    c=5.405 Å
Melt point(°C) 1610°C
Density 2.684g/cm3
Hardness 7(mohs)
Thermal conductivity 0.0033cal/cm°C
Planned constant 1200uv/°C(300°C)
Index of refraction 1.544
Thermal expansion α11: 13.71×10-6 / °C α33: 7.48×10-6 /°C
Frequency constant 1661(kHz/mm)
Crystal orientation Y, X or Z, 30º~42.75 º ±5
Polishing EPI polished on one side or two sides  Ra<10Å
Thickness 0.5mm±0.05mm TTV<5um
Diameter Dia.2"(50.8mm), Dia.3"(76.2mm), Dia.4"(100mm)±0.2mm
main positioning: 22±1.5mm (Dia.3") 32±3.0 (Dia.4")
Secondary positioning: 10mm±1.5mm

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