| Categories | Quartz crucible |
|---|---|
| Place of Origin: | china |
| Brand Name: | wanshida |
| Certification: | ISO9001 |
| Model Number: | WSD-504 |
| MOQ: | 30 |
| Packaging Details: | Foam box |
| Delivery Time: | 7-10days |
| Payment Terms: | T/T;Western Union |
| Supply Ability: | 5000pcs/month |
| Dimensions: | 6-24INCH |
| Chemical Composition: | Silicon 99.99% |
1.using quartz sand purity 99.99%
2. bubble-free inner layer with coating
3. high thermal performance
Fused graphite crucible
Opaque graphite crucible of arc melting used for semiconductor industry is the essential basic material for pulling monocrystalline silicon and developing L S I circuit.
It has the advantages of high purity, high temperature resistance with big size, good thermal insulation, economization on energy, quality stability etc.
We also can produce various specifications of transparent and translucent crucibles. Crucibles can be produced according to the standard or produced on customer’s required specification and shape.
Purity
Al | Fe | Ca | Cu | K | Na | Li | B | OH |
20 | 1 | 1.5 | 0.1 | 3 | 3 | 3 | 0.3 | 30 |
15 | 0.3 | 0.6 | 0.05 | 0.7 | 1.0 | 0.7 | <0.1 | 30 |
8 | 0.2 | 0.6 | 0.02 | 0.3 | 0.9 | 0.2 | <0.05 | 30 |
|
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