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    Materials resistant to metal and salt melts, their production and their use
    1.
    发明授权
    Materials resistant to metal and salt melts, their production and their use 失效
    耐金属和盐熔体的材料，其生产和使用

    公开(公告)号：US4755220A

    公开(公告)日：1988-07-05

    申请号：US117329

    申请日：1987-11-06

    申请人： Peter Woditsch ,  Werner Kannchen ,  Horst Lange ,  Ingo Schwirtlich

    发明人： Peter Woditsch ,  Werner Kannchen ,  Horst Lange ,  Ingo Schwirtlich

    IPC分类号： C30B15/10 ,  B22C1/00 ,  C04B35/584 ,  C04B35/591 ,  C30B13/14 ,  C30B29/06 ,  C30B35/00 ,  C22C29/12

    CPC分类号： C30B35/002 ,  C04B35/591

    摘要： A material resistant to high temperature melts of metal and salt which comprises a composite material containing silicon nitride, silicon oxynitride, silicon dioxide and silicon prepared by(a) suspending silicon powder in SiO.sub.2 sol to form a pourable mass,(b) molding a workpiece from said mass,(c) hardening the molded workpiece, and(d) nitriding the hardened workpiece in a nitrogen atmosphere to form silicon nitride and silicon oxynitride to a degree that SiO.sub.2 and elemental silicon remain detectable in the nitrided workpiece,is useful as the material of construction for crucibles and tools for confining, handling and treating melts of metals or salts.

    摘要翻译： 耐高温熔融金属和盐的材料，其包含通过（a）将硅粉末悬浮在SiO 2溶胶中以形成可倾倒物质制备的包含氮化硅，氮氧化硅，二氧化硅和硅的复合材料，（b）模制工件 （c）硬化成型工件，（d）在氮气气氛中氮化氮化硅和氮氧化硅至达到在氮化工件中保持可检测的程度的氮化硅和氮氧化硅，可用作 用于坩埚的结构材料和用于限制，处理和处理金属或盐的熔融物的工具。

    Strip-shaped films of metals, a process and an apparatus for the production thereof and the use thereof
    2.
    发明授权
    Strip-shaped films of metals, a process and an apparatus for the production thereof and the use thereof 失效
    金属条带状膜，其制造方法和装置及其用途

    公开(公告)号：US4790871A

    公开(公告)日：1988-12-13

    申请号：US589612

    申请日：1984-03-14

    申请人： Ingo Schwirtlich ,  Peter Woditsch

    发明人： Ingo Schwirtlich ,  Peter Woditsch

    IPC分类号： C30B13/06 ,  C22C1/02 ,  C30B13/00 ,  C30B13/32 ,  C30B29/06 ,  C30B29/64 ,  C22B9/16

    CPC分类号： C30B13/32 ,  C30B13/00 ,  C30B29/60 ,  Y10T428/12458

    摘要： In the recrystallization and purification of a strip-shaped film of a metal or metalloid wherein one or more locally restricted melting zones are produced and are moved through the film, the improvement which comprises advancing the film, and melting it in zones which are transverse to the direction of advance of the strip-shaped film. Advantageously the film is melted by passing a current through a spirally wound coil which is placed near the film; the film is advantageously advanced in a plane so that the melt zones are diagonal relative to the film.

    摘要翻译： 在金属或准金属的带状膜的再结晶和纯化中，其中产生一个或多个局部受限的熔融区并移动通过该膜，其改进包括使膜前进并在横向于 带状膜的前进方向。 有利地，通过使电流通过放置在膜附近的螺旋卷绕的线圈而熔化膜; 薄膜有利地在平面中前进，使得熔体区域相对于薄膜是对角线的。

    Process and apparatus for producing semi-conductor foils
    3.
    发明授权
    Process and apparatus for producing semi-conductor foils 失效
    用于生产半导体箔的工艺和设备

    公开(公告)号：US4670096A

    公开(公告)日：1987-06-02

    申请号：US730982

    申请日：1985-05-06

    申请人： Ingo Schwirtlich ,  Peter Woditsch

    发明人： Ingo Schwirtlich ,  Peter Woditsch

    IPC分类号： H01L31/04 ,  C01B33/02 ,  C30B15/00 ,  C30B29/64 ,  H01L21/208 ,  C03B19/02

    CPC分类号： C30B15/007 ,  Y10S117/915

    摘要： In the production of a semi-conductor foil by solidification of a liquid semi-conductor on a horizontal support, the improvement which comprises positioning a molding body on the horizontal support, supplying the liquid semi-conductor to the molding body, and effecting relative movement between the molding body and support in a direction parallel to the support. Thereby fault-free silicon foils can readily be produced.

    摘要翻译： 在通过在水平支撑件上固定液体半导体的半导体箔的制造中，改进之处在于，将成型体定位在水平支撑件上，将液体半导体供应到成型体，并实现相对运动 在成型体和支撑体之间沿平行于支撑件的方向。 从而可以容易地制造出无故障的硅箔。

    Process for the melting and directional solidification of metals
    5.
    发明授权
    Process for the melting and directional solidification of metals 失效
    金属熔化和定向凝固的工艺

    公开(公告)号：US5013393A

    公开(公告)日：1991-05-07

    申请号：US517235

    申请日：1990-05-01

    申请人： Ingo Schwirtlich ,  Peter Woditsch

    发明人： Ingo Schwirtlich ,  Peter Woditsch

    IPC分类号： C30B21/02 ,  B22D27/04 ,  C30B11/00

    CPC分类号： C30B29/06 ,  C30B11/00 ,  C30B29/605

    摘要： A process for the production of columnlarly solidified metallic bodies by melting metal and then solidifying said metal in a crucible, wherein the dissipation of heat is greater at the upper or lower end of the crucible than at the sides, which comprises supplying heat to the verticals sides through a heating element having a plurality of individually controlled heating sections in such a quantity that a melt of the metal is formed and then establishing directional solidification by establishing a temperature gradient by varying the heat output among the heating sections of the heating element by switching.

    摘要翻译： 一种用于通过熔化金属然后在坩埚中固化所述金属来生产柱状固化的金属体的方法，其中在坩埚的上端或下端的散热比在侧面更大，其包括向垂直方向供热 通过具有多个单独控制的加热部分的加热元件的侧面形成金属熔体，然后通过改变加热元件的加热部分之间的热输出来建立温度梯度来建立定向凝固 。

    Treating hydrolysis residues from preparation of titanium dioxide
    8.
    发明授权
    Treating hydrolysis residues from preparation of titanium dioxide 失效
    处理二氧化钛制备中的水解残留物

    公开(公告)号：US4321237A

    公开(公告)日：1982-03-23

    申请号：US213707

    申请日：1980-12-05

    申请人： Peter Panek ,  Peter Woditsch ,  Werner Kannchen

    发明人： Peter Panek ,  Peter Woditsch ,  Werner Kannchen

    IPC分类号： C01G23/00 ,  B09B3/00 ,  C22B34/12

    CPC分类号： C22B34/125 ,  Y02P10/212

    摘要： In the process wherein a titanium-containing material is subjected to react with sulphuric acid to form a solid reaction mass from which the titanium values are recovered in solution by digestion with water or dilute sulphuric acid leaving behind a reaction residue and the reaction residue is thereafter treated to recover at least part of the titanium contained therein, the improvement wherein the treatment of the reaction residue is effected by contacting with sulphuric acid of a concentration greater than 86% a mixture by weight comprising about 5 to 95% of the reaction residue and 95 to 5% of a slag having a TiO.sub.2 content 60% by weight and a Ti(III) content of about 5 to 40% by weight, and thereafter eventually adding water, steam or dilute sulphuric acid to the mass to start the reaction.

    摘要翻译： 在使含钛材料与硫酸反应形成固体反应物质的过程中，通过用水或稀硫酸消解在溶液中回收钛值，留下反应残余物，然后反应残余物 处理以回收其中所含的至少一部分钛，其改进在于其中反应残余物的处理通过与浓度大于86％的硫酸与包含约5至95重量％的反应残余物的混合物和 95〜5％的TiO 2含量为60重量％，Ti（III）含量为5〜40重量％左右的炉渣，最后向该物质中加入水，蒸汽或稀硫酸进行反应。