Application
High purity black opaque quartz material can be used in thermal management of semiconductor and photovoltaic silicon wafer manufacturing process.Various components made from this material can prevent heat leakage and improve the thermal uniformity of the process environment.It has special advantage in thermal management of semiconductor and photovoltaic silicon wafer manufacturing process.
Characteristics
Besides the advantages of high temperature resistance,low coefficient of thermal expansion,good thermal shock resistance and chemical corrosion resistance,high purity black opaque quartz material also has high optical absorption,high emissivity and low thermal conductivity.With the good effect of shading and heat preservation,this material can better prevent heat eakage and improve the thermal uniformity of the thermal field.
Physical &chemical Properties
|
Trace Elements(Typical) |
(Unit):ppm |
|
Code |
Li |
Na |
K |
Mg |
Ca |
Fe |
Cu |
Al |
OH |
|
PQ053E |
0.90 |
1.00 |
0.50 |
0.30 |
1.00 |
0.60 |
<0.05 |
12.00 |
n.S. |
Mechanical &Thermal Properties
|
Items |
Values |
|
Typical Density(g/cm³) |
2.20-2.22 |
|
Coefficient of linear expansion (0-900℃) |
0.5702×10-6 |
|
Highest Working Temperature(Long Time) |
1180 |
|
Highest Working Temperature (Short Time |
1300 |
|
Absorptivity |
>95% |
Wavelength(nm)
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