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公开(公告)号：US06905527B2
公开(公告)日：2005-06-14
申请号：US10433967
申请日：2002-05-24
CPC分类号： C01F17/0043 , C01P2004/62 , C01P2006/80 , C09K3/1409 , C09K3/1418
摘要： This invention aims to provide a method of manufacturing a cerium-based abrasive containing coarse particles in lower concentration and having higher polishing ability and excellent cleanability for a polished face. Further, the present invention provides a method of manufacturing a cerium-based abrasive, including the steps of pulverizing a raw material, roasting a raw material after pulverization and disintegrating a raw material after roasting, in which a cerium-based rare earth carbonate or a mixture of a cerium-based rare earth carbonate and a cerium-based rare earth oxide is used as a cerium-based abrasive raw material, and the step of pulverizing a raw material pulverizes a raw material through heating while the material is kept immersed in aqueous solution.
摘要翻译： 本发明的目的在于提供一种制造含有较低浓度的粗颗粒并且具有更高抛光能力和优异的抛光面清洁性的铈基研磨剂的方法。 另外，本发明提供一种铈系研磨剂的制造方法，其特征在于，包括以下步骤：将原料粉碎，粉碎后的原料焙烧，焙烧后的原料分解，将铈原料稀土类碳酸盐或 使用铈系稀土类碳酸盐和铈系稀土类氧化物的混合物作为铈系研磨原料，粉碎原料的工序通过加热粉碎原料，同时将材料浸渍在水性 解。
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公开(公告)号：US06764669B2
公开(公告)日：2004-07-20
申请号：US10111638
申请日：2002-04-26
IPC分类号： C01G3500
CPC分类号： C01G35/00 , C01G35/02 , C01P2004/51 , C01P2006/80
摘要： Disclosed herein is a method for producing potassium fluorotantalate crystals, comprising heating, to 60° C. or higher, a starting solution prepared by adding hydrofluoric acid and hydrochloric acid, and, if necessary, water to a highly pure tantalum solution, adding potassium chloride to this starting solution, and cooling the mixture to 40° C. or lower at a cooling rate of less than 15° C./h to precipitate potassium fluorotantalate crystals, wherein the concentration of the hydrofluoric acid in the starting solution is not more than 20% by weight. By this method, highly pure, large-sized potassium fluorotantalate crystals can successfully be obtained in high yield. Moreover, disadvantages to equipment and operation in the prior art can be overcome to a significant extent with this method.
摘要翻译： 本发明公开了一种生产氟化钛酸钾晶体的方法，包括将通过加入氢氟酸和盐酸，必要时加入到高纯度钽溶液中制备的起始溶液加热至60℃以上，加入氯化钾 并以低于15℃/ h的冷却速度将混合物冷却至40℃或更低，以沉淀起始溶液中的氢氟酸浓度不大于 20重量％。 通过这种方法，可以以高产率成功获得高纯度，大尺寸的氟化钾钾晶体。 此外，现有技术中的设备和操作的缺点可以通过该方法在很大程度上被克服。
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公开(公告)号：US06824578B2
公开(公告)日：2004-11-30
申请号：US10363678
申请日：2003-03-06
IPC分类号： C09K314
CPC分类号： C09K3/1463 , B24D3/344 , C03C19/00 , C09K3/1454
摘要： A polishing material is provided in which the dispersibility of the abrasive grains of the polishing material having, as a major component, rare earth oxides including cerium oxide is made better and the hardness of abrasive grain precipitates is reduced, and at the same time high efficiency of polishing can be achieved stably. According to the present invention, in a polishing material having, as the major component, rare earth oxides including cerium oxide, any one of crystalline cellulose, calcium secondary phosphate, a condensate of sodium &bgr;-naphthalenesulphonate and formalin, and synthetic silica is contained as an anti-solidification agent capable of softening abrasive grain precipitates of the polishing material when the abrasive grains of the polishing material are dispersed into a dispersion medium, and sodium hexametaphosphate or pyrophosphate is contained as a dispersant capable of dispersing the abrasive grains of the polishing material into the dispersion medium.
摘要翻译： 提供了一种抛光材料，其中以具有氧化铈的稀土氧化物为主要成分的研磨材料的磨粒的分散性更好，磨粒析出物的硬度降低，同时高效率 的抛光可以稳定地实现。 根据本发明，在作为主要成分的具有氧化铈，结晶纤维素，次磷酸钙，β-萘磺酸钠和福尔马林的缩合物和合成二氧化硅中的任一种作为主要成分的研磨材料中，作为 当研磨材料的磨粒分散在分散介质中时能够使研磨材料的磨粒沉淀物软化，并且含有六偏磷酸钠或焦磷酸钠作为能够分散研磨材料的磨粒的分散剂的抗凝固剂 进入分散介质。
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公开(公告)号：US4255136A
公开(公告)日：1981-03-10
申请号：US121034
申请日：1980-02-13
申请人： Teruo Suzuki , Shigeru Kuwabara
发明人： Teruo Suzuki , Shigeru Kuwabara
摘要： A furnace for the heat treatment of wire materials, comprising a cylindrical furnace body having holes at both ends through which a wire material is inserted into and out of the furnace body, a combustion chamber formed within the furnace body, a burner provided at one end portion of the furnace body and adjacent to the combustion chamber, and a discharge pipe mounted near the downstream edge of the combustion chamber for discharging the waste gas. The burner comprises a free space through which the wire material is inserted, a fuel-air mixture chamber surrounding the free space, and injection nozzles communicating with the fuel-air mixture chamber and serving to inject the mixture into the combustion chamber. The injection nozzles are arranged to permit the injected streams of fuel-air mixture to make whirling motions in the same direction along the inner wall of the combustion chamber in such a manner as to be free from direct contact with the wire material running along the axis of the combustion chamber.
摘要翻译： 一种用于线材热处理的炉子，包括一个圆柱形炉体，其两端具有孔，线材通过该炉体插入和排出炉体，在炉体内形成的燃烧室，设置在炉体一端的燃烧器 炉体的邻近燃烧室的部分，以及安装在燃烧室的下游边缘附近用于排出废气的排放管。 燃烧器包括一个自由空间，线材插入该自由空间，围绕自由空间的燃料 - 空气混合室，以及与燃料 - 空气混合室连通并用于将混合物注入到燃烧室中的喷射喷嘴。 注射喷嘴被布置成允许喷射的燃料 - 空气混合物流沿着燃烧室的内壁沿相同的方向进行旋转运动，以便不与沿着轴线延伸的线材直接接触 的燃烧室。
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