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    • 51. 发明授权
    • Thermoplastic silicone block copolymers, the production thereof and the use of the same
    • 热塑性硅酮嵌段共聚物,其生产方法及其用途
    • US06824881B2
    • 2004-11-30
    • US10451594
    • 2003-06-23
    • Hans LautenschlagerJochen DauthWolfgang KellerTheo MayerKurt Stark
    • Hans LautenschlagerJochen DauthWolfgang KellerTheo MayerKurt Stark
    • B32B2732
    • C08G77/52C08G77/38C08G77/442C09D183/10Y10T428/31663Y10T428/31855
    • Thermoplastic silicon block copolymers containing (A) a hard segment polymer constituent prepared from styrene, methylmethacrylate, butylacrylate, acrylonitrile, vinyl monomers, or mixtures therefore, and (B) a soft segment polymer constituent of general formula (I) G-[(SiR2O)mSiR2—X—]n(SiR2O)mSiR2-G wherein R is an optionally halogenated monovalent C1-18 hydrocarbon radical and X is a specific aryl group-containing, silicon bonded radical, and each G may be a radical (A)-Z-(Si) or Z′-(Si) wherein -Z- represents an aryl group-containing bivalent radical and Z′- represents a monovalent aryl group-containing radical, provided that there is, at most, one radical G and one radical Z′- in formula (I). In formula (I), m represents a whole number between 1 and 1000 and n represents 0 or a whole number between 1 and 20, provided that when n does not equal 0, 4≦n·m≦1000.
    • 含有(A)由苯乙烯,甲基丙烯酸甲酯,丙烯酸丁酯,丙烯腈,乙烯基单体或其混合物制备的硬链段聚合物组分的热塑性硅嵌段共聚物,和(B)通式(I)的软链段聚合物组分G - [(SiR 2 O )mSiR 2 -X-n(SiR 2 O)m SiR 2 -G其中R是任选卤代的一价C 1-18烃基,X是特定的含芳基的硅键合基团,并且每个G可以是基团(A) - Z-(Si)或Z' - (Si)其中-Z-表示含芳基的二价基团,Z'表示含单价芳基的基团,条件是至多存在一个基团G和一个 式(I)中的基团Z'-。 在式(I)中,m表示1与1000之间的整数,n表示0或1至20之间的整数,条件是当n不等于0时,4 <= n.m <= 1000。
    • 59. 发明授权
    • Method and apparatus for floating melt zone of semiconductor crystal rods
    • 半导体晶体棒浮动熔融区的方法和装置
    • US4045278A
    • 1977-08-30
    • US702575
    • 1976-07-06
    • Wolfgang Keller
    • Wolfgang Keller
    • C30B13/28B01J17/10
    • C30B13/285Y10S117/90Y10S117/911Y10T117/1084
    • Stock semiconductor crystal rods are zone melt refined by positioning such stock rods in a zone melt environment with a seed crystal attached to a lower end thereof, generating a melt zone at the juncture of the seed crystal and stock rod and controllably moving the melt zone away from the juncture and through the stock rod to a select point thereon, uniformly supporting the cone-shaped lower portion of the rod being refined from below the juncture to an area adjacent the select point so as to prevent vibrations and the like within the rod being processed, applying a controlled electrical current across the melt zone from the ends of the rod being refined and controllably moving the melt zone from the select point through the remainder of the rod. The uniform support is provided by a movable electrically conductive funnel-shaped jacket filled with an electrically conductive stabilizing means, such as metal spheroids or particulate silicon particles, molten metal, etc. and the electrical leads are connected to such jacket and to an upper rod support member whereby electrical current is fed from one end of the rod to the other.
    • 储存半导体晶体棒通过将这种原料棒定位在具有附着于其下端的晶种的区域熔融环境中来进行区域熔融精炼,在晶种和储料棒的接合处产生熔融区,并将熔融区域可控地移动 从接合处并通过储料杆到其上的选择点,均匀地支撑杆的锥形下部,从接合点下方精炼到与选择点相邻的区域,以防止杆内的振动等 处理,从杆的端部施加受熔融区域的受控电流,并且可控地将熔体区域从选择点移动到杆的其余部分。 均匀的支撑由可填充有导电稳定装置(例如金属球体或颗粒状硅颗粒,熔融金属等)的可移动导电漏斗形护套提供,并且电引线连接到这种护套和上部杆 支撑构件,其中电流从杆的一端进给到另一端。
    • 60. 发明授权
    • Crucible-free zone melting of semiconductor crystal rods including
oscillation dampening
    • 半导体晶棒的无坩埚区熔化包括振荡阻尼
    • US3988197A
    • 1976-10-26
    • US580585
    • 1975-05-27
    • Wolfgang Keller
    • Wolfgang Keller
    • C30B13/28B01J17/10
    • C30B13/285Y10S117/90Y10S117/911Y10T117/1084
    • Polycrystalline semiconductor rods are converted to dislocation-free monocrystal rods by positioning a polycrystalline rod within a crucible-free zone melt environment with a seed crystal attached to one end thereof, generating a melt zone at the juncture of the seed crystal and the polycrystalline rod, controllably moving the melt zone away from the juncture and through the polycrystalline rod to a select point thereon, uniformly supporting the cone-shaped lower portion of the rod being processed so as to prevent oscillations and the like at the juncture of the rod in the seed crystal and controllably moving the melt zone from the select point to the remainder of the rod. A uniform support is preferably provided by an axially movable funnel-shaped casing which is attached to the seed crystal holding member and which, when moved into its operating position, is filled with a self-adjusting oscillation or vibration dampening means, such as molten metal, metal spheroids, quartz particles, sand, etc.
    • 将多晶半导体棒通过将多晶棒定位在无坩埚区熔融环境中而将其转化为无位错的单晶棒,其中晶种与其一端相连,在晶种和多晶棒的接合处产生熔融区, 将熔体区域可控地移动离开接合点并通过多晶棒到其上的选择点,均匀地支撑被处理的杆的锥形下部,以防止在种子的杆的接合处的振荡等 晶体并且可控地将熔体区域从选择点移动到杆的剩余部分。 优选地,均匀的支撑件由可轴向移动的漏斗形壳体提供,所述壳体附接到晶种保持构件,并且当移动到其操作位置时,填充有自调节振动或减振装置,例如熔融金属 ,金属球体,石英颗粒,沙子等