고순도 탄화규소 분말의 제조방법
    1.
    发明公开
    고순도 탄화규소 분말의 제조방법 有权
    用于制造具有高纯度的SIC粉末的方法

    公开(公告)号:KR1020130104447A

    公开(公告)日:2013-09-25

    申请号:KR1020120025947

    申请日:2012-03-14

    CPC classification number: C01B31/36 C01B32/956 C01B33/12

    Abstract: PURPOSE: A production method of silicon carbide powder is provided to control the size and the crystalline of the silicon carbide powder by adjusting the heat processing temperature and time, and changing the composition of a gaseous silicon source and a solid carbon source. CONSTITUTION: A production method of silicon carbide powder comprises the following steps: mixing and drying metallic silicon, silica powder, and a thermoplastic resin to obtain a starting raw material for producing a gaseous silicon source; locating the starting raw material for producing the gaseous silicon source on the bottom of a graphite crucible, locating a graphite separator on the upper side of the starting raw material for producing the gaseous silicon source, and locating a solid carbon source on the upper side of the graphite separator before closing a lid of the graphite crucible to form a reaction system to produce the silicon carbide powder; and heat processing the reaction system under the argon atmosphere.

    Abstract translation: 目的:提供碳化硅粉末的制造方法,通过调节热处理温度和时间,改变气态硅源和固体碳源的组成来控制碳化硅粉末的尺寸和结晶。 构成:碳化硅粉末的制造方法包括以下步骤:将金属硅,二氧化硅粉末和热塑性树脂混合干燥,得到气态硅源的制造原料, 将用于生产气态硅源的起始原料定位在石墨坩埚的底部,将石墨隔板定位在用于生产气态硅源的起始原料的上侧,并将固体碳源定位在 在石墨坩埚盖上关闭石墨隔板,形成碳化硅粉末的反应体系; 并在氩气氛下热处理反应体系。

    탄화규소/카본 복합분말과 그 복합분말을 이용하여 제조된 고순도 및 고강도의 반응소결 탄화규소
    4.
    发明公开

    公开(公告)号:KR1020100115992A

    公开(公告)日:2010-10-29

    申请号:KR1020090034685

    申请日:2009-04-21

    Abstract: PURPOSE: Silicon carbide/carbon composite powder and high purity and high strength reaction bonded silicon carbide using the same are provided to be used in a reaction bonded silicon carbide jig for a next generation semiconductor high temperature process, components for a high temperature vacuum device, and heater components for a semiconductor process. CONSTITUTION: A method for manufacturing silicon carbide/carbon composite powder comprises the following steps. Silicon and carbon are mixed by alcohol solvent so that a mole ratio of one carbon element is 1.6~4.5 based on one mole of silicon element. A hydrolysis catalyst of 0.05~0.14 mole ratio based on one silicon mole is added to the mixture. The mixture is made gel or solid.

    Abstract translation: 目的:将碳化硅/碳复合粉末和高纯度高强度反应接合的碳化硅用于下一代半导体高温工艺的反应接合碳化硅夹具,用于高温真空装置的部件, 和用于半导体工艺的加热器部件。 构成:制造碳化硅/碳复合粉末的方法包括以下步骤。 硅和碳通过醇溶剂混合,使得一个碳元素的摩尔比基于1摩尔的硅元素为1.6〜4.5。 将基于一个硅摩尔的0.05〜0.14摩尔比的水解催化剂加入到混合物中。 混合物制成凝胶或固体。

    고순도 베타상 탄화규소 미세 분말의 저온 제조 방법
    6.
    发明授权
    고순도 베타상 탄화규소 미세 분말의 저온 제조 방법 有权
    一种在低温下制备高纯度SiC微粉的方法

    公开(公告)号:KR101084711B1

    公开(公告)日:2011-11-22

    申请号:KR1020090034686

    申请日:2009-04-21

    Abstract: 본 발명은 액상의 규소 화합물과 탄소 화합물을 혼합, 교반하여 젤(gel)화시키고, 생성된 젤을 분말 형태로 만들어 젤 분말을 얻은 후, 규소 분말 또는 덩어리(ingot)를 첨가하여 열처리하는 고순도 탄화규소 분말의 저온 제조 방법에 관한 것이다.
    본 발명에 의한 고순도 베타상 탄화규소 미세 분말 제조 공정에 의하여 제조된 1 ㎛ 이하 크기의 탄화규소 분말은 반도체 고온 공정용 치구로 사용할 수 있는 고순도 소결 탄화규소(sintered SiC) 치구 및 반응소결 탄화규소(reaction bonded SiC) 제조용 원료 분말 등으로 사용될 수 있으리라 기대된다.
    탄화규소, 미세 분말, 저온제조, 고순도

    고순도 베타상 탄화규소 미세 분말의 저온 제조 방법
    8.
    发明公开
    고순도 베타상 탄화규소 미세 분말의 저온 제조 방법 有权
    一种低温高纯度SIC微粉的制备方法

    公开(公告)号:KR1020100115993A

    公开(公告)日:2010-10-29

    申请号:KR1020090034686

    申请日:2009-04-21

    CPC classification number: C01B32/956 C01P2004/64 C04B35/565

    Abstract: PURPOSE: A method for manufacturing β phase silicon carbide micro powder with high purity at low temperature is provided to use silicon carbide powder under 1 micrometer in a jig for a high temperature process for a semiconductor. CONSTITUTION: A method for manufacturing β phase silicon carbide micro powder with high purity at low temperature comprises the following steps. Silicon compound liquid and carbon compound are mixed to make a mole ratio be in the range of 2.0 to 5.0. And a water solution is added to the mixture. The mixture is stirred to be gel or powder. Silicon carbon precursor micro powder is obtained by heating gel powder. Silicon powder or silicon ingot is added to the silicon carbon precursor micro powder. The silicon carbon precursor micro powder is heated at 1250~1600°C to obtain silicon carbon micro powder.

    Abstract translation: 目的:提供在低温下制备高纯度的β相碳化硅微粉的方法,在用于半导体的高温工艺的夹具中使用1微米的碳化硅粉末。 构成:在低温下制备高纯度的β相碳化硅微粉的方法包括以下步骤。 混合硅化合物液体和碳化合物使摩尔比在2.0至5.0的范围内。 并向混合物中加入水溶液。 将混合物搅拌成凝胶或粉末。 通过加热凝胶粉末获得硅碳前体微粉末。 将硅粉或硅锭加入硅碳前体微粉中。 硅碳前驱体微粉末在1250〜1600℃下加热得到硅碳微粉末。

Patent Agency Ranking