公开(公告)号：WO2014051239A1

公开(公告)日：2014-04-03

申请号：PCT/KR2013/004646

申请日：2013-05-28

Applicant: LG INNOTEK CO., LTD.

Inventor： MIN, Kyoung Seok

IPC: C01B31/36 ,  C04B35/565 ,  C04B35/622 ,  C04B35/64

CPC classification number: C30B1/02 ,  B22F1/0011 ,  B22F1/0085 ,  B22F2302/105 ,  B22F2304/10 ,  C01B32/956 ,  C01P2004/60 ,  C04B35/565 ,  C04B35/62645 ,  C04B35/62675 ,  C04B35/62802 ,  C04B35/62834 ,  C04B35/65 ,  C04B2235/48 ,  C04B2235/483 ,  C04B2235/5427 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/72 ,  C04B2235/784 ,  C30B1/10 ,  C30B7/14 ,  C30B29/36 ,  Y10T428/2982

Abstract: Provided is a method of preparing silicon carbide powder, including mixing first silicon carbide powder with a liquid silicon carbide precursor, annealing the mixture at a first temperature and converting the silicon carbide precursor to a β-phase silicon carbide particulate material, and annealing the material at a second temperature and grain-growing the first silicon carbide powder to second silicon carbide powder using the β-phase silicon carbide particulate material.

Abstract translation: 提供了一种制备碳化硅粉末的方法，包括将第一碳化硅粉末与液体碳化硅前体混合，在第一温度下对混合物进行退火，并将碳化硅前体转化为相碳化硅颗粒材料，并将 材料在第二温度下，并使用相碳化硅颗粒材料将第一碳化硅粉末晶粒生长至第二碳化硅粉末。

公开(公告)号：WO2013015642A3

公开(公告)日：2013-01-31

申请号：PCT/KR2012/005988

申请日：2012-07-26

Applicant: LG INNOTEK CO., LTD. ,  MIN, Kyoung Seok ,  SHIN, Dong Geun

Inventor： MIN, Kyoung Seok ,  SHIN, Dong Geun

IPC: C30B23/00 ,  C30B29/36 ,  H01L21/02

Abstract: A method for growing an ingot according to the embodiment includes filling a first powder in a crucible; raising a temperature of the crucible; forming a second powder by grain-growing the first powder; and growing the ingot by sublimating the second powder.

公开(公告)号：WO2013015630A3

公开(公告)日：2013-01-31

申请号：PCT/KR2012/005966

申请日：2012-07-26

Applicant: LG INNOTEK CO., LTD. ,  KIM, Bum Sup ,  MIN, Kyoung Seok

Inventor： KIM, Bum Sup ,  MIN, Kyoung Seok

IPC: C30B23/00 ,  C30B29/36 ,  C01B31/36

Abstract: A raw material for growing an ingot according to the embodiment comprises an agglomerate raw material in which fine particles are agglomerated, wherein the agglomerate raw material has a granular shape. A method for fabricating a raw material for growing an ingot according to the embodiment comprises the steps of: preparing an ultrahigh-purity powder; and granulating the ultrahigh-purity powder. A method for fabricating an ingot according to the embodiment comprises the steps of: preparing a raw material; filling the raw material in a crucible; and growing a single crystal from the raw material, wherein the raw material comprises an agglomerate raw material in which fine particles are agglomerated, and the agglomerate raw material has a granular shape.

公开(公告)号：WO2013100456A1

公开(公告)日：2013-07-04

申请号：PCT/KR2012/010962

申请日：2012-12-14

Applicant: LG INNOTEK CO., LTD.

Inventor： KIM, Byung Sook ,  KIM, Bum Sup ,  MIN, Kyoung Seok ,  SHIN, Dong Geun ,  HA, Seo Yong ,  HAN, Jung Eun

IPC: C04B35/565 ,  C04B35/622 ,  C30B29/36 ,  C01B31/36

CPC classification number: C30B23/02 ,  C01B32/40 ,  C01B32/956 ,  C30B23/00 ,  C30B29/36 ,  H01L29/1608 ,  Y10T428/2982

Abstract: A silicon carbide powder according to the embodiment includes nitrogen having a concentration in a range of about 100 ppm to about 5000 ppm. A method for manufacturing silicon carbide powder according to the embodiment includes preparing a mixture by mixing a silicon source including silicon with a solid carbon source or a carbon source including an organic carbon compound; heating the mixture; cooling the mixture; and supplying a nitrogen-based gas into the mixture.

Abstract translation: 根据实施方案的碳化硅粉末包括浓度在约100ppm至约5000ppm范围内的氮。 根据实施例的制造碳化硅粉末的方法包括通过将包括硅的硅源与固体碳源或包含有机碳化合物的碳源混合来制备混合物; 加热混合物; 冷却混合物; 并向混合物中供给氮气。

公开(公告)号：WO2013027968A2

公开(公告)日：2013-02-28

申请号：PCT/KR2012/006515

申请日：2012-08-16

Applicant: LG INNOTEK CO., LTD. ,  KIM, Ji Hye ,  MIN, Kyoung Seok ,  SHIN, Dong Geun

Inventor： KIM, Ji Hye ,  MIN, Kyoung Seok ,  SHIN, Dong Geun

IPC: C30B23/06 ,  C30B29/36 ,  H01L21/02

CPC classification number: C30B23/02 ,  C30B23/066 ,  C30B29/36

Abstract: An apparatus for fabricating an ingot according to the embodiment comprises a crucible for receiving a raw material, wherein the raw material comprises first powder and second powders having grain sizes different from each other. A method for providing a raw material according to the embodiment comprises preparing a crucible including a central area and an edge area which surrounds the central area; filling a first powder in the central area; and filling a second powder in the edge area, the second powder having a grain size different from a grain size of the first powder.

Abstract translation: 根据该实施例的用于制造锭的设备包括用于接收原料的坩埚，其中原料包括具有彼此不同粒度的第一粉末和第二粉末。 根据该实施例的用于提供原料的方法包括：制备包括中心区域和围绕中心区域的边缘区域的坩埚; 在中心区域填充第一粉末; 以及在边缘区域中填充第二粉末，第二粉末具有与第一粉末的粒度不同的粒度。