Vessel for holding silicon and method of producing the same

Details Vessel for holding silicon and method of producing the same Vessel for holding silicon and method of producing the same

C - Chemistry, Metallurgy

23

C

C23C 4/10 (2006.01) C04B 41/50 (2006.01) C04B 41/87 (2006.01) C30B 15/10 (2006.01) C30B 35/00 (2006.01)

Patent

CA 2507389

The invention relates to a vessel for holding a silicon molten bath which can effectively prevent contamination of a silicon melt solution and have excellent sinterability, mechanical strength and productivity. The interior of the vessel is formed with a sprayed coating by spraying a silicon composite thermet consisting of metal silicon (MSi), silicon nitride (Si3N4) and silicon oxide (SiO2).

L'invention concerne un récipient destiné à conserver un bain de fusion de silicium, qui permet d'éviter efficacement la contamination d'une solution de silicium fondu, et qui présente une capacité de frittage, une résistance mécanique et une productivité excellentes. L'intérieur du récipient est formé d'un revêtement vaporisé, obtenu par la vaporisation d'un thermet composite à base de silicium formé de silicium métallique (MSi), de nitrure de silicium (Si¿3?N¿4?) et d'oxyde de silicium (SiO¿2?).

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