COMBINED CRUCIBLE AND SINGLE CRYSTAL FURNACE USING SAME

WIPO Patent Application WO/2024/082663

A1

A combined crucible and a single crystal furnace using same, relating to the technical field of single crystal silicon manufacturing. The combined crucible comprises an inner crucible sleeved outside a quartz crucible and a mesh crucible used for covering the inner crucible, and the inner crucible is a graphite crucible, a carbon/carbon crucible or a ceramic crucible; the mesh crucible and the inner crucible are bonded using a net bag limiting structure is used or by means of graphite glue; and the mesh crucible is a hollow mesh body formed by weaving one or more carbon fiber ropes and used for covering the graphite, carbon/carbon or ceramic crucible. Compared with the original graphite, carbon/carbon or ceramic crucible having a large thickness, the replacement cost after corrosion damage is low; the mesh crucible can maintain the strength and stable structure of the graphite, carbon/carbon or ceramic crucible; due to the reduction of thickness, the product has higher heat conduction efficiency, improved heating and cooling efficiency, and lower energy consumption; and the mesh crucible can be repeatedly used and is easy to install and remove.

SHEN FUQIANG (CN)
ZHANG JING (CN)
SUN YALIN (CN)
NIU LONGXIANG (CN)

PCT/CN2023/100949

April 25, 2024

June 19, 2023

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Q CARBON MAT CO LTD (CN)

C30B15/10; C30B29/06; C30B35/00

CN115595655A	2023-01-13
CN214193511U	2021-09-14
CN112195508A	2021-01-08
CN112341232A	2021-02-09
CN101519795A	2009-09-02
CN201756596U	2011-03-09
CN201990762U	2011-09-28
CN112176403A	2021-01-05
CN107964679A	2018-04-27

SHANGHAI SHENHUI PATENT AGENCY CO., LTD (CN)

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