METHOD FOR MANUFACTURING POLYSILICON FILAMENT USING SILICON NANOPOWDER

The present invention relates to a method for manufacturing a polysilicon filament, and more specifically, to a method for manufacturing a polysilicon filament having a desired length by connecting polysilicon fragments cut from damage, etc. The present invention provides a method for manufacturing a polysilicon filament, the method comprising: a fragment providing step for providing two polysilicon fragments having binding surfaces which can coincide in shape; a binding surface processing step for processing corresponding corrugations on the binding surfaces of the polysilicon fragments to be bound; a nanopowder filling step for filling silicon nanopowder in groove parts of the processed binding surfaces; a heating and melting step for heating so as to melt the filled silicon nanopowder; and a binding and connecting step for connecting the binding surfaces by pressing protrusion parts of the fragments to the melted silicon nanopowder, and cooling same. La présente invention concerne un procédé de fabrication d'un filament de polysilicium, et plus spécifiquement un procédé de fabrication d'un filament de polysilicium ayant une longueur souhaitée par raccord de fragments de polysilicium découpés d'un endommagement, etc. La présente invention concerne un procédé de fabrication d'un filament de polysilicium, le procédé comprenant les étapes consistant à : fournir un fragment pour fournir deux fragments de polysilicium ayant des surfaces de liaison qui puissent coïncider en forme ; traiter les surface de liaison afin de traiter les ondulations respectives sur les surfaces de liaison des fragments de polysilicium devant être liés; introduire une nanopoudre pour introduire la nanopoudre de silicium dans les parties formant rainures des surfaces de liaison traitées ; chauffer et fusionner pour chauffer de manière à faire fondre la nanopoudre de silicium introduite ; et lier et connecter pour connecter les surfaces de liaison par pression des parties saillantes des fragments à la nanopoudre de silicium fondue, et à la refroidir. 폴리실리콘 필라멘트 제조방법에 관한 것으로, 보다 상세하게는 파손 등에 의하여 절단된 폴리실리콘 절편을 연결하여 원하는 길이의 폴리실리콘 필라멘트를 제조하는 방법에 관하여 개시한다. 본 발명은 접합면이 서로 형태적으로 일치할 수 있는 두 개의 폴리실리콘 절편을 마련하는 절편마련단계; 접합하고자 하는 폴리실리콘 절편의 접합면에 서로 대응되는 요철을 가공하는 접합면가공단계; 상기 가공된 접합면의 요홈부에 실리콘 나노파우더를 충진하는 나노파우더충진단계; 상기 충진된 실리콘 나노파우더가 용융되도록 가열하는 가열용융단계; 및 상기 용융된 실리콘 나노파우더에 절편의 돌기부를 가압하고 냉각하여 접합면을 연결하는 접합연결단계;를 포함하는 폴리실리콘 필라멘트 제조방법을 제공한다.