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公开(公告)号:US20150361568A1
公开(公告)日:2015-12-17
申请号:US14836360
申请日:2015-08-26
Applicant: Wacker Chemie AG
Inventor: Heinz KRAUS
CPC classification number: C25B11/12 , C01B33/035 , C25B1/006
Abstract: A carbon electrode has a conical or pyramidal tip, wherein the tip is surrounded on its side by a raised edge.
Abstract translation: 碳电极具有锥形或锥形末端,其中尖端在其侧面被凸起的边缘包围。
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公开(公告)号:US20130295408A1
公开(公告)日:2013-11-07
申请号:US13886439
申请日:2013-05-03
Applicant: WACKER CHEMIE AG
Inventor: Martin WEBER , Erich DORNBERGER , Michael KERSCHER , Heinz KRAUS , Reiner PECH
CPC classification number: C01B33/029 , B02C19/0056 , C01B33/02 , C01B33/035 , C23C16/24 , C23C16/4418 , C30B28/14 , C30B29/06 , Y10T428/12479
Abstract: The invention provides a polycrystalline silicon rod having a total diameter of at least 150 mm, including a core A having a porosity of 0 to less than 0.01 around a thin rod, and at least two subsequent regions B and C which differ in porosity by a factor of 1.7 to 23, the outer region C being less porous than region B.
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