公开(公告)号：US20150104369A1

公开(公告)日：2015-04-16

申请号：US14052559

申请日：2013-10-11

Applicant: REC Silicon Inc

Inventor： Robert J. Geertsen

IPC: C01B33/027 ,  B01J8/24

CPC classification number: C01B33/027 ,  Y10T137/0318

Abstract: A method and system for reduction or mitigation of metal contamination of polycrystalline silicon are disclosed. A conveyance device comprising a flexible synthetic resin tube having an inner surface at least partially coated with an inner layer comprising elastomeric microcellular polyurethane is disclosed for use in fluidized bed reactor operations associated with manufacture and product handling procedures for ultra pure granular polysilicon. Use of the conduit to effect passage of the polysilicon mitigates foreign metal contact contamination from sources otherwise typically present in such manufacturing units.

Abstract translation: 公开了减少或减轻多晶硅金属污染的方法和系统。 公开了一种包括柔性合成树脂管的输送装置，其具有至少部分地涂覆有包含弹性体微孔聚氨酯的内层的内表面的内表面，用于与用于超纯颗粒状多晶硅的制造和产品处理程序相关的流化床反应器操作。 使用导管来实现多晶硅通过，从而减少外来金属接触污染物，否则通常存在于这样的制造单元中。

公开(公告)号：US20140174353A1

公开(公告)日：2014-06-26

申请号：US14109762

申请日：2013-12-17

Applicant: REC Silicon Inc

Inventor： Michael V. Spangler ,  Matthew J. Miller

IPC: C23C16/442 ,  C23C16/44

CPC classification number: C23C16/442 ,  C21D1/25 ,  C21D6/002 ,  C22C38/18 ,  C22C38/40

Abstract: Embodiments of a reaction chamber liner for use in a heated silicon deposition reactor are disclosed. The liner has an upper portion, a mid portion comprising a material other than a stainless steel alloy, and a lower portion comprising a martensitic stainless steel alloy. The liner's upper portion may have a composition substantially similar to the lower portion.

Abstract translation: 公开了用于加热的硅沉积反应器中的反应室衬套的实施例。 衬套具有上部，中间部分包括不锈钢合金以外的材料，以及包含马氏体不锈钢合金的下部。 衬垫的上部可以具有与下部基本相似的组成。