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AEM Deposition

Quartz Crucible (SiO2)

Quartz Crucible (SiO2)
Quartz Crucible (SiO2)Quartz Crucible (SiO2)

Quartz Crucible

The Quartz crucible is divided into transparent and opaque. The semi-transparent quartz crucible is made by arc melting method of pulling monocrystalline silicon, which is an indispensable basic material for developing large-scale integrated circuits in semiconductor industry. The quartz crucibles have the advantages of high purity, strong temperature resistance, large size, high precision and good thermal insulation.

Quartz Crucible Information

Product Quartz Crucible
Material SiO2
Purity 99.90%
Type Transparent and opaque
Color White/Transparent  
Shape Arc/Square/Rectangle/Cylinder/Boat
Capacity 1-2000 ml  
Density 2.2~2.3 g/cm3  
Melting Point 1710℃  
Max. Working Temperature 1600 ℃ or 2912 F  

Quartz Crucible Dimension

 

Small Sizes

  Top Diameter Bottom Diameter Height Thickness Volume
SC-50 A=50 mm C=50 mm 25 mm 3 mm 50 ml
SC-250 A=85 mm C=85 mm 45 mm 3 mm 250 ml
SC-500 A=100 mm C=100 mm 65 mm 3 mm 500 ml
SA-100 A=57 mm C=39 mm 68 mm 3 mm 100 ml
SA-250 A=80 mm C=60 mm 90 mm 3 mm 250 ml
SA-500 A=90 mm C=70 mm 95 mm 3 mm 500 ml
The customized sizes can be porvided accroding to customer's drawings.

Larger Sizes


Type Outer diameter Height Wall thickness 1 Wall thickness 2 Wall thickness 3 Radius 1 Radius 2
  D (mm) H(mm) W1(mm) W2(mm) W3(mm) R1(mm) R2(mm)
10inch 254±2 178±3 7.0±2 7.0±2 7.0±2 305 70
12inch 305±2 228±3 8.0±2 8.0±2 8.0±2 305 80
14inch 355±2 254±3 9.0±2 9.0±2 9.0±2 400 90
16inch 404±2 305±2 9.5±2 9.5±2 9.5±2 400 90/120
20inch 508±2 380±2 10±2 10±2 10±2 510 90/120
22inch 558±2 390±2 10±2 10±2 10±2 558 90/120
23inch 587±2 410±2 11±2 11±2 11±2 588 90/120
24inch 608±2 430±2 11±2 11±2 11±2 610 90/120
26inch 658±2 496±2 12±2 12±2 12±2 660 90/120
28inch 708±2 516±2 12±2 12±2 12±2 710 90/120
The Sizes (height, outside diameter, wall thickness) of quartz crucibles can be customzied according to the customers’ requirement.

Quartz Crucible Manufacturing Process

Charging forming → Vacuum →High temperature melting → Cool down → Semifinished product → Cool down → External assessmenth → Microbubble detection→ Cut → Automatic pickling→ Automatic spraying→ Cool down→ Package

Chemical Elements Analyze of Quartz Crucible

Grade Al Fe Ca Na K Li Ti Cr Ni Mg B P OH
Solar Grade 18 0.2 0.6 1.1 0.9 0.7 1.1 0.2 0.6 0.05 0.08 0.05 50
Electronics Grade 7.5 0.2 0.5 0.3 0.1 0.9 1.4 0.2 0.5 0.05 0.04 0.02 50
Synthetic 20 27 23 8 1 1 25 27 23 9 10 10 50

Quartz Crucible Application

- Precious metals and special alloys refining

- Phosphorescent / fluorescent powder calcination in lamp industry

- Alumina calcination

- Laboratory uses

- Various applications in the chemical industry, such as rare earth production

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