公开(公告)号：US20150252237A1

公开(公告)日：2015-09-10

申请号：US14429713

申请日：2013-09-10

申请人： KONICA MINOLTA, INC.

发明人： Natsuki Ito ,  Akihiro Maezawa ,  Atsushi Takahashi ,  Keisuke Mizoguchi

IPC分类号： C09K3/14 ,  B22F1/00 ,  B22F1/02

CPC分类号： C09K3/1445 ,  B22F1/0088 ,  B22F1/025 ,  B22F2999/00 ,  B22F1/02 ,  B22F1/0074

摘要： A method of manufacturing abrasive material particles includes: forming a core layer from an aqueous solution containing a salt of a first element; forming an intermediate layer by adding an aqueous solution containing a salt of a second element and a salt of Ce to the reaction solution; forming a shell layer by adding an aqueous solution containing a salt of Ce to the reaction solution; a solid/liquid separating step; wherein the additions per unit time of the first element, the combination of the second element and Ce, and Ce contained in the aqueous solutions to be added are adjusted so as not to decrease, and the addition of Ce contained in the aqueous solution to be last added in the shell layer forming step is increased compared with the addition of the first element contained in the aqueous solution to be first added in the core layer forming step.

摘要翻译： 制造磨料颗粒的方法包括：从含有第一元素的盐的水溶液形成芯层; 通过向反应溶液中加入含有第二元素的盐和Ce的盐的水溶液形成中间层; 通过向反应溶液中加入含有Ce盐的水溶液形成壳层; 固/液分离步骤; 其中调整第一元素的每单位时间的添加量，第二元素和Ce的组合以及所添加的水溶液中所含的Ce不降低，并且将水溶液中所含的Ce添​​加为 与在芯层形成工序中首先添加的水溶液中添加的第一元素的添加相比，最后添加在壳层形成工序中。

公开(公告)号：US20150175864A1

公开(公告)日：2015-06-25

申请号：US14406143

申请日：2013-06-10

申请人： KONICA MINOLTA, INC.

发明人： Atsushi Takahashi ,  Natsuki Ito ,  Akihiro Maezawa

IPC分类号： C09K3/14

CPC分类号： C09K3/1436 ,  B24B37/00 ,  B24D3/00 ,  C01F17/0043 ,  C09G1/02 ,  C09K3/1409 ,  C09K3/1463 ,  H01L21/304

摘要： In order to use less cerium oxide and achieve higher durability and polishing speeds, these abrasive particles used in an abrasive have: a shell layer (3) which is the outermost shell layer of the abrasive particles and is formed with cerium oxide as the main component; and a middle layer (2) which contains cerium oxide and an oxide of at least one element selected from Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Zr, In, Sn, Y, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, W, Bi, Th, and the alkali earth metals, and which is formed closer to the center of the abrasive particles than the shell layer (3).

摘要翻译： 为了使用较少的氧化铈并获得更高的耐久性和抛光速度，用于磨料的这些磨料颗粒具有：作为磨粒的最外壳层的壳层（3），并以氧化铈为主要成分 ; 以及包含氧化铈和选自Al，Sc，Ti，V，Cr，Mn，Fe，Co，Ni，Cu，Zn，Ga，Ge，Zr，In中的至少一种元素的氧化物的中间层（2） ，Sn，Y，Gd，Tb，Dy，Ho，Er，Tm，Yb，Lu，W，Bi，Th和碱土金属，并且比壳层更靠近磨料颗粒的中心 3）。

公开(公告)号：US20150121769A1

公开(公告)日：2015-05-07

申请号：US14379046

申请日：2013-02-14

申请人： KONICA MINOLTA, INC.

发明人： Yuuki Nagai ,  Akihiro Maezawa ,  Atsushi Takahashi

IPC分类号： C09K3/14

CPC分类号： C09K3/1463 ,  B24B57/02 ,  C02F11/14 ,  C02F2103/12

摘要： Technique to provide an abrasive regeneration method which, from a used abrasive slurry, can recover an abrasive by an efficient method and can thereafter obtain a high-purity regenerated abrasive by a simple method. This abrasive regeneration method uses an abrasive comprising at least one type of abrasive selected from diamond, boron nitride, silicon carbide, alumina, alumina zirconia and zirconium oxide. The abrasive regeneration involves a slurry recovery step (A) for recovering an abrasive slurry discharged from a polishing machine, a separation and concentration step (B) for adding an alkaline earth metal salt as an inorganic salt to the recovered abrasive slurry to aggregate the abrasive, and separating and concentrating the abrasive from a mother liquor, and an abrasive recovery step (C) for recovering the separated and concentrated abrasive.

摘要翻译： 提供一种研磨再生方法的技术，其从使用的磨料浆料中可以通过有效的方法回收磨料，然后可以通过简单的方法获得高纯度再生磨料。 该磨料再生方法使用包含至少一种选自金刚石，氮化硼，碳化硅，氧化铝，氧化铝氧化锆和氧化锆的磨料的研磨剂。 研磨再生包括用于回收从抛光机排出的磨料浆料的浆料回收步骤（A），用于将回收的磨料浆料中的碱土金属盐作为无机盐添加到分离和浓缩步骤（B）中以将磨料 ，以及从母液中分离和浓缩研磨剂，以及用于回收分离和浓缩的研磨剂的研磨回收步骤（C）。

公开(公告)号：US20140331567A1

公开(公告)日：2014-11-13

申请号：US14367136

申请日：2012-12-05

申请人： KONICA MINOLTA, INC.

发明人： Atsushi Takahashi ,  Yuuki Nagai ,  Akihiro Maezawa

IPC分类号： C09K3/14 ,  B24B57/00

CPC分类号： C09K3/1409 ,  B24B57/00 ,  B24B57/02 ,  B28D5/007 ,  C02F1/5236 ,  C02F1/66 ,  C02F2101/10 ,  C02F2103/12 ,  C02F2103/346 ,  Y02P70/179

摘要： Abrasive material regeneration method regenerates a cerium oxide abrasive material from a used abrasive material slurry containing the cerium oxide abrasive material and resulting from grinding a grinding subject having silicon as the primary component, characterized by regenerating the abrasive material containing cerium oxide through: a slurry recovery step (A) for recovering an abrasive material slurry discharged from a grinder; an isolation/concentration step (B) for adding a magnesium salt as an inorganic salt to the recovered abrasive material slurry, aggregating the abrasive material under the condition that the pH value of the mother liquor converted to 25 DEG C is at least 6.5 and less than 10.0, and thus isolating and concentrating the abrasive material from the mother liquor; and an abrasive material recovery step (C) for recovering the isolated and concentrated abrasive material.

摘要翻译： 研磨材料再生方法从含有氧化铈研磨材料的二氧化硅研磨材料浆料中再生氧化铈研磨材料，并通过研磨以硅为主要成分的研磨对象产生，其特征在于，通过以下步骤再生含有氧化铈的研磨材料：浆料回收 步骤（A），用于回收从研磨机排出的磨料浆料; 用于将镁盐作为无机盐添加到回收的研磨材料浆料中的分离/浓缩步骤（B），在转化为25℃的母液的pH值至少为6.5以下的条件下聚集研磨材料 从而将研磨材料从母液中分离和浓缩; 和用于回收分离和浓缩的研磨材料的磨料回收步骤（C）。

公开(公告)号：US09850413B2

公开(公告)日：2017-12-26

申请号：US14406143

申请日：2013-06-10

申请人： KONICA MINOLTA, INC.

发明人： Atsushi Takahashi ,  Natsuki Ito ,  Akihiro Maezawa

IPC分类号： C09K3/14 ,  C01F17/00 ,  C09G1/02 ,  B24B37/00 ,  H01L21/304 ,  B24D3/00

CPC分类号： C09K3/1436 ,  B24B37/00 ,  B24D3/00 ,  C01F17/0043 ,  C09G1/02 ,  C09K3/1409 ,  C09K3/1463 ,  H01L21/304

摘要： In order to use less cerium oxide and achieve higher durability and polishing speeds, these abrasive particles used in an abrasive have: a shell layer (3) which is the outermost shell layer of the abrasive particles and is formed with cerium oxide as the main component; and a middle layer (2) which contains cerium oxide and an oxide of at least one element selected from Al, Sc, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Zn, Ga, Ge, Zr, In, Sn, Y, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, W, Bi, Th, and the alkali earth metals, and which is formed closer to the center of the abrasive particles than the shell layer (3).

公开(公告)号：US09802337B2

公开(公告)日：2017-10-31

申请号：US14379060

申请日：2013-02-14

申请人： KONICA MINOLTA, INC.

发明人： Yuuki Nagai ,  Akihiro Maezawa ,  Atsushi Takahashi

IPC分类号： B24B57/00 ,  B01D21/02 ,  C02F11/14 ,  B28D5/00 ,  C02F103/12

CPC分类号： B28D5/007 ,  B01D21/02 ,  B01D2221/14 ,  B24B57/00 ,  C02F11/14 ,  C02F2103/12 ,  Y02P70/179

摘要： Technique to provide an abrasive regeneration method which, from a used abrasive, can recover an abrasive by an efficient method and can thereafter obtain a high-purity regenerated abrasive by a simple method. This abrasive regeneration method uses an abrasive comprising at least one type of abrasive selected from diamond, boron nitride, silicon carbide, alumina, alumina zirconia, zirconium oxide and cerium oxide. The abrasive regeneration involves a slurry recovery step (A) for recovering an abrasive slurry discharged from a polishing machine, a separation and concentration step (B) for adding an alkaline earth metal salt as an inorganic salt to the recovered abrasive slurry to aggregate the abrasive, and separating and concentrating the abrasive from a mother liquor, an abrasive recovery step (C) for recovering the separated and concentrated abrasive, and a second concentration step (D) for filter-treating the concentrated abrasive.

公开(公告)号：US09796894B2

公开(公告)日：2017-10-24

申请号：US14367136

申请日：2012-12-05

申请人： KONICA MINOLTA, INC.

发明人： Atsushi Takahashi ,  Yuuki Nagai ,  Akihiro Maezawa

IPC分类号： B24B57/02 ,  C02F1/52 ,  C02F1/66 ,  C09K3/14 ,  B24B57/00 ,  B28D5/00 ,  C02F101/10 ,  C02F103/12 ,  C02F103/34

CPC分类号： C09K3/1409 ,  B24B57/00 ,  B24B57/02 ,  B28D5/007 ,  C02F1/5236 ,  C02F1/66 ,  C02F2101/10 ,  C02F2103/12 ,  C02F2103/346 ,  Y02P70/179

摘要： Abrasive material regeneration method regenerates a cerium oxide abrasive material from a used abrasive material slurry containing the cerium oxide abrasive material and resulting from grinding a grinding subject having silicon as the primary component, characterized by regenerating the abrasive material containing cerium oxide through: a slurry recovery step (A) for recovering an abrasive material slurry discharged from a grinder; an isolation/concentration step (B) for adding a magnesium salt as an inorganic salt to the recovered abrasive material slurry, aggregating the abrasive material under the condition that the pH value of the mother liquor converted to 25 DEG C is at least 6.5 and less than 10.0, and thus isolating and concentrating the abrasive material from the mother liquor; and an abrasive material recovery step (C) for recovering the isolated and concentrated abrasive material.

公开(公告)号：US20160272860A1

公开(公告)日：2016-09-22

申请号：US14901229

申请日：2014-06-18

申请人： KONICA MINOLTA, INC.

发明人： Keisuke Mizoguchi ,  Akihiro Maezawa ,  Atsushi Takahashi ,  Natsuki Ito ,  Natsumi Hirayama ,  Hideaki Wakamatsu

IPC分类号： C09K3/14 ,  C01F17/00

CPC分类号： C09K3/1454 ,  B24B37/044 ,  C01F17/0043 ,  C01P2004/03 ,  C01P2004/32 ,  C01P2004/54 ,  C01P2004/62 ,  C01P2004/64 ,  C09G1/02 ,  C09K3/1436 ,  C09K3/1445 ,  C09K3/1463

摘要： An object of the present invention is to provide a cerium oxide abrasive material containing cerium oxide abrasive particles prepared by a synthetic method using an aqueous solution of a salt of a rare earth element and a precipitant, the cerium oxide abrasive particles having a spherical shape and high polishing performance (polishing rate and polishing precision of the polished surface), a method for producing the cerium oxide abrasive material, and a polishing method. The cerium oxide abrasive material according to the present invention comprises spherical cerium oxide abrasive particles prepared by a synthetic method using an aqueous solution of a salt of a rare earth element and a precipitant, wherein the cerium oxide abrasive particles have a spherical shape having an average aspect ratio within the range of 1.00 to 1.15.

摘要翻译： 本发明的目的是提供一种氧化铈研磨材料，其含有通过使用稀土元素的盐和沉淀剂的盐的水溶液的合成方法制备的氧化铈磨料颗粒，所述氧化铈磨料颗粒具有球形形状，以及 高抛光性能（抛光速度和抛光表面的抛光精度），氧化铈研磨材料的制造方法和抛光方法。 根据本发明的氧化铈研磨材料包括通过使用稀土元素的盐和沉淀剂的水溶液的合成方法制备的球形氧化铈磨料颗粒，其中所述氧化铈磨料颗粒具有平均的球形 长宽比在1.00至1.15的范围内。

公开(公告)号：US20150013235A1

公开(公告)日：2015-01-15

申请号：US14367154

申请日：2012-12-17

申请人： KONICA MINOLTA, INC.

发明人： Atsushi Takahashi ,  Yuuki Nagai ,  Akihiro Maezawa

IPC分类号： C09K3/14

CPC分类号： C09K3/1409 ,  B01D11/0246 ,  B01D21/02 ,  B01D2221/14 ,  B24B57/02 ,  B28D5/007 ,  C02F1/5209 ,  C02F1/5236 ,  C09K3/14 ,  Y02P70/179

摘要： Method for separating a polishing material, which is capable of separating and recovering cerium oxide from a used polishing material that is mainly composed of cerium oxide and a regenerated polishing material which can be obtained by the separation method. This method for separating a polishing material is characterized in that a divalent alkaline earth metal salt is added into the slurry of the used polishing material, while controlling the temperature of the slurry within the range of 10-70 DEG C., thereby causing the polishing material to aggregate under such conditions that the mother liquor has a pH of less than 10.0 as the pH is converted to one at 25 DEG C. so that the polishing material is separated from the mother liquor.

摘要翻译： 分离能够从主要由氧化铈构成的使用过的研磨材料中分离回收二氧化铈的研磨材料的分离方法以及可以通过分离法得到的再生研磨材料。 这种分离抛光材料的方法的特征在于，将二价碱土金属盐加入到所使用的抛光材料的浆料中，同时将浆料的温度控制在10-70℃的范围内，从而引起抛光 材料在这样的条件下聚集，使得在25℃下将pH转化为1时，母液的pH小于10.0，从而使研磨材料与母液分离。