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    • 94. 发明专利
    • Method for producing silicon carbide powder
    • 生产碳化硅粉的方法
    • JP2014047105A
    • 2014-03-17
    • JP2012191605
    • 2012-08-31
    • Shinano Denki Seiren Kk信濃電気製錬株式会社
    • KUBOTA YOSHIHIROMOCHIZUKI MASAHIRO
    • C01B31/36
    • C01B31/36C01B32/956
    • PROBLEM TO BE SOLVED: To provide a method for producing a silicon carbide powder, which achieves regeneration and utilization of a silicon carbide powder by producing a powder composed of only silicon carbide while upsizing fine powders or superfine powders of silicon carbide and silicon or a mixed fine powder of them, that have hitherto been hard to use and regarded unnecessary, to a size capable of being used.SOLUTION: The method for producing a silicon carbide powder comprises adding a B-C-based additive in addition to silicon oxide and carbon to a fine silicon carbide powder and silicon power to further upsize the silicon carbide powder, and comprises a step of continuously heating a mixture composed of a composition mainly containing the fine silicon carbide powder and/or silicon powder, silicon oxide and/or carbon powder, and the B-C-based additive at a temperature higher than 1850°C and less than 2400°C in a non-oxidizing atmosphere to react the mixture.
    • 要解决的问题:提供一种生产碳化硅粉末的方法,其通过仅仅生产由碳化硅组成的粉末,同时增大碳化硅和硅的微细粉末或超细粉末或混合物来实现碳化硅粉末的再生和利用 迄今为止难以使用和被认为是不必要的细粉末可以使用能够使用的尺寸。解决方案:制造碳化硅粉末的方法包括将除了氧化硅和碳之外的基于BC的添加剂加入到 精细的碳化硅粉末和硅粉末,以进一步增大碳化硅粉末的尺寸,并且包括连续加热由主要含有微细碳化硅粉末和/或硅粉末,二氧化硅和/或碳粉末的组合物组成的混合物和 BC基添加剂在非氧化性气氛中在高于1850℃且小于2400℃的温度下反应混合物。
    • 100. 发明公开
    • 탄화규소 분말 제조 방법
    • 碳化硅粉末制造方法
    • KR1020130076368A
    • 2013-07-08
    • KR1020110144930
    • 2011-12-28
    • 엘지이노텍 주식회사
    • 김병숙
    • C01B31/36C01B31/04C01B33/113
    • C01B31/36C01B32/956C01P2004/62Y10T428/2982C01B32/00C01B33/113C09C1/48
    • PURPOSE: A manufacturing method of silicon carbide is provided to obtain silicon carbide of high quality by adjusting the quantity of residual carbon and silicon in a process using silicon dioxide sources. CONSTITUTION: A manufacturing method of silicon carbide includes the steps of: forming a mixture by mixing a silicon source, a solid carbon source or a carbon source containing organic carbon compounds, and a silicon dioxide source (ST10); and generating a reaction of the mixture (ST20). The molar ratio of the silicon dioxide source with the silicon source and the carbon source is 1: 0.05-1:0.4. The heating temperature of the mixture is 1400-1700°C. [Reference numerals] (ST10) Step of forming a mixture; (ST20) Step of generating a reaction of the mixture
    • 目的:提供碳化硅的制造方法,通过在使用二氧化硅源的工艺中调节残留碳和硅的量来获得高质量的碳化硅。 构成:碳化硅的制造方法包括以下步骤:通过混合硅源,固体碳源或含有机碳化合物的碳源和二氧化硅源(ST10)来形成混合物; 并产生混合物的反应(ST20)。 二氧化硅源与硅源和碳源的摩尔比为1:0.05-1:0.4。 混合物的加热温度为1400-1700℃。 (标号)(ST10)混合物的形成工序; (ST20)产生混合物的反应的步骤