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US 2025/0179683 A1Published application
Thermal chimney for crystal growth
OwnerJohn Outwaterinventor
Life of this patent
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Abstract
The presently disclosed technology teaches a thermal chimney, comprising: an insulation providing a space for crystal growth; an enclosure housing the insulation; wherein the insulation further includes: a bottom level lined with tungsten plates, hanging from a first bar; a second level lined with graphite plates, hanging from a second bar; a third level lined with soft graphite felt; a seed shaft and a seed holder housed in the insulation; two layers of lids placed at the top of the insulation and the enclosure; two layers of seals respectively placed in a middle of the two layers of lids, secured to the seed shaft.
Claims20
A thermal chimney, comprising:
- an insulation providing a space for crystal growth;
- an enclosure housing the insulation;
- wherein the insulation further includes:
- a bottom level lined with tungsten plates, hanging from a first bar;
- a second level lined with graphite plates, hanging from a second bar;
- a third level lined with soft graphite felt;
- a seed shaft and a seed holder housed in the insulation;
- two layers of lids placed at the top of the insulation and the enclosure;
- two layers of seals respectively placed in a middle of the two layers of lids, secured to the seed shaft.
6 more elements
Dependencies are inferred from the claim text.