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Применить Всего найдено 2. Отображено 2.
30-05-2023 дата публикации

Crucible structure for improving utilization rate of silicon carbide powder and silicon carbide crystal preparation method

Номер: CN116180221A
Автор: GUO DIJIANG, WANG DIAN, WU XINTONG, WANG HONGJIE, SHI KAIPENG
Принадлежит:

The invention belongs to the technical field of crystal growth, and particularly relates to a crucible structure for improving the utilization rate of silicon carbide powder and a silicon carbide crystal preparation method.The crucible structure for improving the utilization rate of the silicon carbide powder comprises a crucible body, a crucible cover is installed above the crucible body, and a plurality of material rings are sequentially installed in the crucible body from bottom to top; a feeding ring is installed above the uppermost layer of material ring in a plugging mode, and a crystal lining is installed above the feeding ring. According to the method, annular small crucibles surrounding the periphery of the crucible are stacked together, silicon carbide powder is placed through a material ring, a temperature gradient thermal field is arranged in a vacant area in the middle of the crucible, gas-phase components are driven by the temperature gradient to generate a power mass transfer ...

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Номер записи: 1
23-06-2023 дата публикации

Side-opening resistance type silicon carbide single crystal growth furnace

Номер: CN116288720A
Автор: WANG DIAN, GUO DIJIANG, JIN LIYAN, WU XINTONG, SHI KAIPENG, WANG HONGJIE
Принадлежит:

The invention belongs to the technical field of single crystal growth equipment, and particularly relates to a side-opening resistance type silicon carbide single crystal growth furnace which comprises a frame, a growth furnace body is installed on the frame, a hinge lug is welded to the outer side wall of the growth furnace body, and the hinge lug is connected with a furnace body door through a hinge shaft; a split type thermal field structure is arranged in the growth furnace body and comprises a thermal field body and a wedge-shaped thermal field heat preservation component. The structure of the growth furnace body is designed, an up-and-down discharging mode is changed into a side discharging mode, brand new design is carried out aiming at the inconvenience of taking and placing a graphite crucible, and the relative position of the graphite crucible to a heating area can be ensured by adopting side opening type material taking and placing operation. A side opening type furnace door ...

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Номер записи: 2