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1.发明授权Method for producing cerium-based abrasive and cerium-based abrasive produced thereby 失效由此生产由铈制成的铈基磨料和铈基磨料的方法公开(公告)号：US06901684B2
公开(公告)日：2005-06-07
申请号：US10483890
申请日：2003-05-12
CPC分类号： C01F17/0043 , C04B35/50 , C04B35/6261 , C04B35/6262 , C04B35/62625 , C04B35/6263 , C04B35/6264 , C04B35/62655 , C04B35/62675 , C04B2235/3227 , C04B2235/3229 , C04B2235/5445 , C04B2235/5481 , C09K3/1409
摘要： This invention is a method for producing a cerium-based abrasive which includes: a step of grinding raw material for the cerium-based abrasive; a step of roasting the ground raw material; and a step of subjecting the roasted raw material to wet processing, the method being characterized in that it further includes a lower-temperature re-roasting step of heating the wet-processed raw material at 200 to 700° C. In the invention disclosed in this application, an abrasive with particularly preferable properties can be produced by fully drying the wet-processed raw material in a drying step, and subsequently subjecting the dried raw material to the lower-temperature re-roasting step.
摘要翻译： 本发明是一种铈系磨料的制造方法，其特征在于，包括：研磨所述铈系磨料的原料的工序; 焙烧地面原料的一步; 以及对焙烤原料进行湿法加工的工序，其特征在于，还包括在200〜700℃下加热湿法处理的原料的低温再焙烧工序。 在本申请中，具有特别优选的磨料可以通过在干燥步骤中完全干燥湿法处理的原料，然后将干燥的原料进行低温再焙烧步骤来制备。
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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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3.发明授权公开(公告)号：US06893477B2
公开(公告)日：2005-05-17
申请号：US10416470
申请日：2002-09-12
申请人： Yoshitsugu Uchino , Kazuya Ushiyama
发明人： Yoshitsugu Uchino , Kazuya Ushiyama
IPC分类号： B24B37/00 , C09G1/02 , C09K3/14 , H01L21/304 , C09G1/04
CPC分类号： C09G1/02 , C01F17/0043 , C01P2002/60 , C01P2002/77 , C01P2004/62 , C01P2006/12 , C09K3/1436
摘要： The present invention provides a cerium-based abrasive slurry particles including a cerium-based abrasive particle of no less than 95% by weight of total rare earth oxides (TREO), in which the cerium-based abrasive particle has less than 3% by weight of fluorine content of TREO, and a particle size distribution determined by a laser diffraction method is within a predetermined range. And adhesion property is further improved by setting this fluorine content in 0.005 to 0.5% by weight of TREO.
摘要翻译： 本发明提供一种铈系磨料浆料颗粒，其包含不少于总稀土氧化物（TREO）的95重量％的铈基磨料颗粒，其中铈基磨料颗粒的含量小于3重量％ 的TREO的氟含量，通过激光衍射法测定的粒度分布在预定范围内。 通过将该氟含量设定为TREO的0.005〜0.5重量％来进一步提高粘合性。
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公开(公告)号：US06843816B2
公开(公告)日：2005-01-18
申请号：US10467481
申请日：2002-01-31
CPC分类号： C09K3/14 , C01F17/0043 , C01P2006/12 , C01P2006/60 , C09K3/1409
摘要： A cerium-based abrasive and a production method of the cerium-based abrasive excellent in polishing properties of a high polishing speed and scarce formation of polishing scratches are provided by keeping the color of the abrasive in specified ranges or stably making fluorine be contained in the abrasive. For example, as such a cerium-based abrasive, examples include a cerium-based abrasive containing cerium oxide as a main component and having an L* value in a range not lower than 65 and or lower 90, an a* value in a range 0 or higher but 15 or lower, and a b* value in a range 10 or higher but 30 or lower in the case the color is expressed by an L*a*b* color system.
摘要翻译： 通过将研磨剂的颜色保持在规定范围内，或者稳定地使氟含有的方法，可以提供高抛光速度的抛光性能和抛光痕迹形成少的铈系研磨剂和铈系磨料的制造方法 磨料。 例如，作为这样的铈系研磨剂，例如可以举出含有氧化铈作为主要成分且L *值在65以上或90以下的铈基研磨剂，a *值范围 0或更高但为15或更低，并且在颜色由L * a * b *颜色系统表示的情况下，ab *值在10以上且30以下的范围内。
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5.发明授权公开(公告)号：US06562092B1
公开(公告)日：2003-05-13
申请号：US09980123
申请日：2001-11-30
IPC分类号： C09K314
CPC分类号： C01F17/0043 , B24D3/06 , B24D18/0009 , C01P2006/82 , C09K3/1409
摘要： The present invention provides a stock material for cerium-based abrasives which can be sintered at a relatively low roasting temperature without causing abnormal growth of the particles. More concretely, the stock material for cerium-based abrasives is produced by calcinating the carbonate of rare earth at a given temperature level to partly convert it into the oxide of rare earth in such a way to produce the mixed stock material having a loss on ignition of 0.5 to 25% on a dry basis, determined by heating at 1000° C. for 1 hour.
摘要翻译： 本发明提供一种用于铈基研磨剂的原料，其可以在相对低的焙烧温度下烧结而不引起颗粒的异常生长。 更具体地说，用于铈系研磨剂的原料是通过在给定的温度水平下煅烧稀土的碳酸盐以部分地将其转化为稀土的氧化物而制造的，以产生具有点火损失的混合原料 为0.5〜25％，通过在1000℃下加热1小时来测定。
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6.发明授权公开(公告)号：US06689178B2
公开(公告)日：2004-02-10
申请号：US10111405
申请日：2002-05-06
IPC分类号： C09K314
CPC分类号： C09K3/1409 , C01F17/0043 , C01P2004/61 , C01P2004/62 , C01P2006/12 , C03C19/00
摘要： Regarding a cerium oxide-based abrasive containing cerium oxide as a main component and abrasive particles with an average particle diameter of 0.2 to 3.0 &mgr;m, the present invention provides a cerium-based abrasive containing coarse particles of 10 &mgr;m or larger in a concentration of 1000 ppm or lower (by weight) or magnetic particles in a concentration of 1000 ppm or lower (by weight). The coarse particles or the magnetic particles are particularly preferable to exist in a concentration of 300 ppm or lower (by weight). Further, by controlling an average value of the specific surface area of the abrasive particles to be within 0.5 to 30 m2/g, the resulting abrasive is provided with a high cutting property and is capable of forming a polished face with high precision. The production method of such cerium-based abrasives comprises control being the concentration of the coarse particles and the classification point and repeated classification. The control of the magnetic particle concentration is made possible by utilization of a filter of a magnetic material and alteration of pulverization media, which are either solely or properly combined with each other to be performed.
摘要翻译： 关于含有氧化铈作为主要成分的氧化铈系研磨剂和平均粒径为0.2〜3.0μm的磨料颗粒，本发明提供了含有浓度为1000的10μm以上的粗颗粒的铈系研磨剂 ppm或更低（重量）或浓度为1000ppm或更低（重量）的磁性颗粒。 粗颗粒或磁性颗粒特别优选以300ppm或更低（重量）的浓度存在。 此外，通过将磨粒的比表面积的平均值控制在0.5〜30m 2 / g以内，所得到的研磨剂具有高切削性，能够以高精度形成研磨面 。 这种铈系研磨剂的制造方法包括粗粒子的浓度和分级点和重复分级的控制。 通过使用磁性材料的过滤器和粉碎介质的改变使得磁性颗粒浓度的控制成为可能，它们彼此单独地或适当地组合以进行。
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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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9.发明授权公开(公告)号：US06776811B2
公开(公告)日：2004-08-17
申请号：US10344453
申请日：2003-02-12
IPC分类号： C09K314
CPC分类号： C01F17/0018 , C01F17/0012 , C01P2002/72 , C01P2002/74 , C01P2006/12 , C01P2006/80 , C09K3/1409
摘要： The present invention provides a method of examining quality of cerium-based abrasives which can simply determine their grinding characteristics. Specifically, the method employs X-ray diffractometry to examine qualities based on, for example, B/A wherein A and B are peak intensities relevant to LnxOy and LnF3, respectively. The present invention further provides: a method of producing a cerium-based abrasive which can give cerium-based abrasive with specific grinding characteristics; and a cerium-based abrasive which has specific grinding characteristics for specific purposes.
摘要翻译： 本发明提供了一种能够简单地确定其研磨特性的铈基磨料的质量检验方法。 具体地，该方法采用X射线衍射法来检查基于例如B / A的质量，其中A和B分别是与LnxOy和LnF3相关的峰强度。 本发明还提供：一种制备可以给予具有特定研磨特性的铈基磨料的铈基磨料的方法; 以及为特定目的具有特定研磨特性的铈基磨料。
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10.发明授权Method for producing potassium fluorotantalate crystal being low in oxygen content and method for producing potassium fluoroniobate crystal being low in oxygen content, potassium fluorotantalate crystal being low in oxygen content and potassium fluoroniobate crystal 失效生产氧含量低的氟钽酸钾晶体的方法和氧含量低的氟代铌酸钾晶体的制造方法，氧含量低的氟碳酸钾晶体和氟代铌酸钾晶体公开(公告)号：US06979434B2
公开(公告)日：2005-12-27
申请号：US10432398
申请日：2002-09-25
IPC分类号： G01N31/00 , C01G23/00 , C01G33/00 , C01G35/00 , C01G35/02 , G01N1/28 , G01N1/34 , G01N1/40 , G01N31/12 , G01N21/35
CPC分类号： G01N1/405 , C01G33/006 , C01G35/006 , C01P2002/88 , C01P2006/80 , G01N2001/4027 , G01N2001/4061
摘要： The object of the present invention is to provide a method of producing low oxygen-containing potassium fluorotantalate crystals or low oxygen-containing potassium fluoroniobate crystals, the crystals obtained by the production method, and a method of analyzing oxygen contained in these crystals.The method of producing low oxygen-containing potassium fluorotantalate crystals comprises generating recrystallized potassium fluorotantalate crystals by controlled cooling of a saturated solution of potassium fluorotantalate containing hydrofluoric acid as an essential component, collecting the generated recrystallized crystals through filtration, and drying the collected recrystallized crystals in a drying apparatus so as to obtain the crystals, and the production method is characterized in that the saturated solution of potassium fluorotantalate containing hydrofluoric acid as an essential component contains hydrofluoric acid in a concentration of 0.5 mol/l to 10 mol/l.
摘要翻译： 本发明的目的是提供一种生产低含氧的氟酸钾钾晶体或低含氧的氟代氟碳酸钾晶体的方法，通过制备方法获得的晶体以及分析这些晶体中所含的氧的方法。 生产低含氧的氟碳酸钾晶体的方法包括通过控制冷却含氟氢酸钾的必需成分的氟化钽酸钾的饱和溶液来生成重结晶的氟化钛酸钾晶体，通过过滤收集生成的再结晶晶体，并将收集的再结晶晶体干燥 干燥装置，以获得晶体，其制备方法的特征在于含有氢氟酸作为必需成分的氟钽酸钾的饱和溶液含有浓度为0.5mol / l至10mol / l的氢氟酸。
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