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    • 8. 发明申请
    • METHOD OF CALCULATING TEMPERATURE DISTRIBUTION OF CRUCIBLE
    • 计算可分解温度分布的方法
    • US20110295405A1
    • 2011-12-01
    • US13147736
    • 2010-12-14
    • Toshiaki SudoEriko SuzukiNaoki Ono
    • Toshiaki SudoEriko SuzukiNaoki Ono
    • G06F19/00
    • C03B19/095C30B15/10G06F17/5018G06F2217/80
    • Provided is a method of calculating a temperature distribution with higher accuracy than a conventional method, which calculates a temperature distribution of an inner surface of a silica powder molded body during manufacturing based on boundary conditions corrected in accordance with the actually measured temperature in consideration of plasma radiation by arc discharge and heat radiation of arc discharge.According to a method of calculating a temperature distribution of a crucible during manufacturing, includes a temperature calculation process in which a temperature calculator calculates temperature distribution in an inner surface of a silica powder molded body through a numerical calculation method which mesh-divides an object to be calculated, by calculating heat flux from heat plasma modeled by a gas flow and radiation of heat plasma radiated from arc electrodes, wherein the temperature distribution is calculated by adjusting gas flow and radiation conditions in a way that the calculated temperature distribution and the actually measured temperature distribution of an inner surface of a silica powder molded body becomes similar, and reading, from a correspondence table, gas flow and radiation conditions corresponding each step of a control sequence for producing a crucible.
    • 提供了一种比传统方法更高精度地计算温度分布的方法,该方法基于考虑到等离子体而根据实际测量的温度校正的边界条件计算制造期间二氧化硅粉末成型体的内表面的温度分布 电弧放电辐射和放电电弧放电。 根据制造时的坩埚的温度分布的计算方法,包括温度计算处理,其中温度计算器通过数值计算方法计算二氧化硅粉末成形体的内表面的温度分布, 通过计算由通过气流和从电弧电极辐射的热等离子体的辐射建立的热等离子体的热通量来计算,其中通过以计算的温度分布和实际测量的方式调节气体流量和辐射条件来计算温度分布 二氧化硅粉末成型体的内表面的温度分布变得相似,并且从对应表读取对应于用于制造坩埚的控制顺序的每个步骤的气体流量和辐射条件。
    • 9. 发明授权
    • Method of manufacturing vitreous silica crucible
    • 石英玻璃坩埚的制造方法
    • US08726692B2
    • 2014-05-20
    • US13337948
    • 2011-12-27
    • Toshiaki SudoEriko Suzuki
    • Toshiaki SudoEriko Suzuki
    • C03B19/09C03B20/00
    • C03B19/095G01J5/0022Y02P40/57
    • The present invention provides a method of manufacturing a vitreous silica crucible by heating and fusing a silica powder layer in a rotating mold by arc discharge generated by carbon electrodes comprising: a preparation process for determining optimal temperatures during heating and fusing the silica powder layer for one or more selected from the group consisting of the silica powder layer, fume generated during arc fusing, and arc flame generated in the arc discharge; a temperature measuring process for measuring actual temperatures during heating and fusing for one or more selected from the group where the optimal temperatures are determined; and a temperature controlling process for controlling the actual temperatures for one or more selected from the group where the actual temperatures are measured so that the actual temperatures match the optimal temperatures.
    • 本发明提供一种通过由碳电极产生的电弧放电加热和熔融旋转模具中的二氧化硅粉末层而制造石英玻璃坩埚的方法,包括:用于确定加热期间的最佳温度并将二氧化硅粉末层熔合在一起的制备方法 或更多选自二氧化硅粉末层,电弧熔合时产生的烟雾和在电弧放电中产生的电弧火焰; 用于测量加热和熔化中的实际温度的温度测量过程,所述温度是从确定最佳温度的组中选出的一种或多种; 以及用于控制从实际温度被测量的组中选出的一个或多个实际温度的温度控制过程,使得实际温度与最佳温度相匹配。
    • 10. 发明授权
    • Method of manufacturing vitreous silica crucible
    • 石英玻璃坩埚的制造方法
    • US09085480B2
    • 2015-07-21
    • US13337918
    • 2011-12-27
    • Toshiaki SudoEriko Suzuki
    • Toshiaki SudoEriko Suzuki
    • C03B20/00C03B19/09
    • C03B19/095
    • There is provided a method of manufacturing a vitreous silica crucible having a suitably controlled inner surface property. The present invention provides a method of manufacturing a vitreous silica crucible by heating and fusing a silica powder layer in a rotating mold by arc discharge generated by carbon electrodes including: a preparation process for determining optimal fusing temperatures during heating and fusing the silica powder layer at plural points of different heights of the silica powder layer; a temperature measuring process for measuring actual temperatures during heating and fusing the silica powder layer at the plural points; a temperature controlling process for controlling the actual temperatures at the plural points so that the actual temperatures matches the optimal fusing temperatures at the respective points.
    • 提供了一种具有适当控制的内表面性能的石英玻璃坩埚的制造方法。 本发明提供一种通过碳化硅电极产生的电弧放电加热熔融旋转模具中的二氧化硅粉末层而制造石英玻璃坩埚的方法,包括:在加热和熔融二氧化硅粉末层期间确定最佳定影温度的制备方法 二氧化硅粉末层的不同高度的多个点; 用于在多个点加热和熔融二氧化硅粉末层期间测量实际温度的温度测量过程; 用于控制多个点处的实际温度的温度控制过程,使得实际温度与各个点处的最佳定影温度相匹配。