公开(公告)号：US08178455B2

公开(公告)日：2012-05-15

申请号：US12722773

申请日：2010-03-12

申请人： Naomi Teratani ,  Toru Hayase ,  Yuji Katsuda ,  Masahiro Kida

发明人： Naomi Teratani ,  Toru Hayase ,  Yuji Katsuda ,  Masahiro Kida

IPC分类号： C04B35/10 ,  C04B35/443

CPC分类号： C04B35/111 ,  B32B18/00 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/445 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/658 ,  C04B2235/6581 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2235/963 ,  C04B2237/343

摘要： A method for manufacturing an alumina sintered body of the present invention comprises: (a) forming a mixed powder containing at least Al2O3 and MgF2 or a mixed powder containing Al2O3, MgF2, and MgO into a compact having a predetermined shape; and (b) performing hot-press sintering of the compact in a vacuum atmosphere or a non-oxidizing atmosphere to form an alumina sintered body, in which when a amount of MgF2 to 100 parts by weight of Al2O3 is represented by X (parts by weight), and a hot-press sintering temperature is represented by Y (° C.), the hot-press sintering temperature is set to satisfy the following equations (1) to (4) 1,120≦Y≦1,300  (1) 0.15≦X≦1.89  (2) Y≦−78.7X+1,349  (3) Y≧−200X+1,212  (4).

摘要翻译： 本发明的氧化铝烧结体的制造方法包括：（a）将至少包含Al 2 O 3和MgF 2的混合粉末或含有Al 2 O 3，MgF 2和MgO的混合粉末形成为具有预定形状的压块; 和（b）在真空气氛或非氧化性气氛中对压实体进行热压烧结，以形成氧化铝烧结体，其中当MgF2与100重量份的Al 2 O 3的量以X表示时 重量），热压烧结温度由Y（℃）表示，热压烧结温度设定为满足下述式（1）〜（4）1,120＆nlE; Y＆nlE; 1,300（1）0.15 ＆nlE; X＆nlE; 1.89（2）Y＆nlE; -78.7X + 1,349（3）Y≥-200X + 1,212（4）。

公开(公告)号：US08022001B2

公开(公告)日：2011-09-20

申请号：US12618901

申请日：2009-11-16

申请人： Naomi Teratani ,  Toru Hayase ,  Yuji Katsuda

发明人： Naomi Teratani ,  Toru Hayase ,  Yuji Katsuda

IPC分类号： C04B35/581

CPC分类号： C04B35/581 ,  C04B35/62655 ,  C04B35/645 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3232 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/3895 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/6581 ,  C04B2235/661 ,  C04B2235/77 ,  C04B2235/80 ,  C04B2235/85 ,  C04B2235/9607 ,  H01L21/6833

摘要： A method for producing an aluminum nitride sintered product according to the present invention includes the steps of (a) preparing a powder mixture that contains AlN, 2 to 10 parts by weight of Eu2O3 with respect to 100 parts by weight of AlN, Al2O3 such that a molar ratio of Al2O3 to Eu2O3 is 2 to 10, and TiO2 such that a molar ratio of TiO2 to Al2O3 is 0.05 to 1.2, but not Sm; (b) producing a compact from the powder mixture; and (c) firing the compact by subjecting the compact to hot-press firing in a vacuum or in an inert atmosphere.

摘要翻译： 根据本发明的制造氮化铝烧结产品的方法包括以下步骤：（a）制备包含AlN的粉末混合物，相对于100重量份的AlN，Al 2 O 3为2至10重量份的Eu 2 O 3，使得 Al2O3与Eu2O3的摩尔比为2〜10，TiO 2与TiO 2的摩尔比为0.05〜1.2，而不是Sm; （b）从粉末混合物制备压块; 和（c）通过使压坯在真空或惰性气氛中热压烧结来烧结压块。

公开(公告)号：US20100248935A1

公开(公告)日：2010-09-30

申请号：US12722773

申请日：2010-03-12

申请人： Naomi Teratani ,  Toru Hayase ,  Yuji Katsuda ,  Masahiro Kida

发明人： Naomi Teratani ,  Toru Hayase ,  Yuji Katsuda ,  Masahiro Kida

IPC分类号： C04B35/03 ,  B29C47/76

CPC分类号： C04B35/111 ,  B32B18/00 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3208 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/445 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/658 ,  C04B2235/6581 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/96 ,  C04B2235/963 ,  C04B2237/343

摘要： A method for manufacturing an alumina sintered body of the present invention comprises: (a) forming a mixed powder containing at least Al2O3 and MgF2 or a mixed powder containing Al2O3, MgF2, and MgO into a compact having a predetermined shape; and (b) performing hot-press sintering of the compact in a vacuum atmosphere or a non-oxidizing atmosphere to form an alumina sintered body, in which when a amount of MgF2 to 100 parts by weight of Al2O3 is represented by X (parts by weight), and a hot-press sintering temperature is represented by Y (° C.), the hot-press sintering temperature is set to satisfy the following equations (1) to (4) 1,120≦Y≦1,300  (1) 0.15≦X≦1.89  (2) Y≦−78.7X+1,349  (3) Y≧−200X+1,212  (4).

摘要翻译： 本发明的氧化铝烧结体的制造方法包括：（a）将至少包含Al 2 O 3和MgF 2的混合粉末或含有Al 2 O 3，MgF 2和MgO的混合粉末形成为具有预定形状的压块; 和（b）在真空气氛或非氧化性气氛中对压实体进行热压烧结，以形成氧化铝烧结体，其中当MgF2与100重量份的Al 2 O 3的量以X表示时 重量），热压烧结温度由Y（℃）表示，热压烧结温度设定为满足下述式（1）〜（4）1,120＆nlE; Y＆nlE; 1,300（1）0.15 ＆nlE; X＆nlE; 1.89（2）Y＆nlE; -78.7X + 1,349（3）Y≥-200X + 1,212（4）。

公开(公告)号：US20100128409A1

公开(公告)日：2010-05-27

申请号：US12618901

申请日：2009-11-16

申请人： Naomi TERATANI ,  Toru Hayase ,  Yuji Katsuda

发明人： Naomi TERATANI ,  Toru Hayase ,  Yuji Katsuda

IPC分类号： H01L21/683 ,  B28B3/00 ,  C04B35/582

CPC分类号： C04B35/581 ,  C04B35/62655 ,  C04B35/645 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3232 ,  C04B2235/3865 ,  C04B2235/3886 ,  C04B2235/3895 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/6581 ,  C04B2235/661 ,  C04B2235/77 ,  C04B2235/80 ,  C04B2235/85 ,  C04B2235/9607 ,  H01L21/6833

摘要： A method for producing an aluminum nitride sintered product according to the present invention includes the steps of (a) preparing a powder mixture that contains AlN, 2 to 10 parts by weight of Eu2O3 with respect to 100 parts by weight of AlN, Al2O3 such that a molar ratio of Al2O3 to Eu2O3 is 2 to 10, and TiO2 such that a molar ratio of TiO2 to Al2O3 is 0.05 to 1.2, but not Sm; (b) producing a compact from the powder mixture; and (c) firing the compact by subjecting the compact to hot-press firing in a vacuum or in an inert atmosphere.

摘要翻译： 根据本发明的制造氮化铝烧结产品的方法包括以下步骤：（a）制备包含AlN的粉末混合物，相对于100重量份的AlN，Al 2 O 3为2至10重量份的Eu 2 O 3，使得 Al2O3与Eu2O3的摩尔比为2〜10，TiO 2与TiO 2的摩尔比为0.05〜1.2，而不是Sm; （b）从粉末混合物制备压块; 和（c）通过使压坯在真空或惰性气氛中热压烧结来烧结压块。

公开(公告)号：US08236722B2

公开(公告)日：2012-08-07

申请号：US12549524

申请日：2009-08-28

申请人： Naomi Teratani ,  Yuji Katsuda ,  Yoshimasa Kobayashi

发明人： Naomi Teratani ,  Yuji Katsuda ,  Yoshimasa Kobayashi

IPC分类号： C04B35/00 ,  B32B9/00 ,  B32B19/00

CPC分类号： C04B35/111 ,  C04B35/62655 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3865 ,  C04B2235/445 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/658 ,  C04B2235/6581 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/85 ,  C04B2235/96 ,  H01L21/6833

摘要： An aluminum oxide sintered product including a layer phase containing a rare-earth element and fluorine among grains of aluminum oxide serving as a main component, or a phase containing a rare-earth element and fluorine along edges of grains of aluminum oxide serving as a main component. The product includes a phase containing a rare-earth element and a fluorine element among grains of aluminum oxide, the phase not being in the form of localized dots but in the form of line segments, when viewed in an SEM image. The product can be readily adjusted to have a volume resistivity in the range of 1×1013 to 1×1016 Ω·cm, the volume resistivity being calculated from a current value after the lapse of 1 minute from the application of a voltage of 2 kV/mm to the aluminum oxide sintered product at room temperature.

摘要翻译： 包含作为主要成分的氧化铝的粒子中含有稀土元素和氟的层相的氧化铝烧结体，或者以氧化铝为主体的边缘的含有稀土元素和氟的相 零件。 该产品包括在氧化铝晶粒中含有稀土元素和氟元素的相，当从SEM图像中观察时，该相不是局部点形式，而是以线段的形式。 该产品可以容易地调整为体积电阻率在1×1013至1×1016＆OHgr·cm范围内，体积电阻率是从施加电压2分钟经过1分钟后的电流值计算的 kV / mm至室温下的氧化铝烧结体。

公开(公告)号：US07148166B2

公开(公告)日：2006-12-12

申请号：US10704997

申请日：2003-11-10

申请人： Naomi Teratani ,  Yuji Katsuda

发明人： Naomi Teratani ,  Yuji Katsuda

IPC分类号： C04B35/581 ,  C04B35/582

CPC分类号： C04B35/645 ,  C04B35/581 ,  C04B35/62655 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3865 ,  C04B2235/3869 ,  C04B2235/3895 ,  C04B2235/5436 ,  C04B2235/656 ,  C04B2235/6562 ,  C04B2235/6565 ,  C04B2235/6567 ,  C04B2235/72 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/761 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/85 ,  C04B2235/96 ,  C04B2235/9607 ,  H01L21/6831 ,  Y10T428/252

摘要： An aluminum nitride ceramic having a low volume resistivity at room temperature and a relatively low samarium content is provided. The aluminum nitride ceramic contains aluminum nitride as a main component and samarium in a converted content, calculated as samarium oxide, of 0.060 mole percent or lower. The aluminum nitride ceramic includes aluminum nitride particles and a samarium-aluminum composite oxide phase having a length of at least 7 μm.

摘要翻译： 提供了一种在室温下具有低体积电阻率和较低钐含量的氮化铝陶瓷。 氮化铝陶瓷含有氮化铝作为主要成分，钐的转化成分以氧化钐计，为0.060摩尔％以下。 氮化铝陶瓷包括氮化铝颗粒和长度至少为7μm的钐铝复合氧化物相。

公开(公告)号：US06919287B2

公开(公告)日：2005-07-19

申请号：US10417962

申请日：2003-04-17

申请人： Naomi Teratani ,  Jun Yoshikawa ,  Yuji Katsuda

发明人： Naomi Teratani ,  Jun Yoshikawa ,  Yuji Katsuda

IPC分类号： C04B35/581 ,  H01L21/683 ,  C04B35/582

CPC分类号： C04B35/581

摘要： An aluminum nitride material having a high thermal conductivity and reduced room temperature volume resistivity is provided. The aluminum nitride material has an interconnected intergranular phase that functions as an electrically conductive phase. The content of the conductive phase is not higher than 20 percent, calculated according to the following formula based on an X-ray diffraction profile: Content of the conductive phase (%)=(Integrated strength of the strongest peak of the conductive phase/Integrated strength of the strongest peak of aluminum nitride phase)×100. The aluminum nitride material has an electric current response index in a range of 0.9 to 1.1, defined according to the following formula: Electric current response index=(Electric current Aat 5 seconds after a voltage is applied/Electric current at 60 seconds after a voltage is applied).

摘要翻译： 提供具有高导热性和降低室温体积电阻率的氮化铝材料。 氮化铝材料具有互相作用的导电相的晶间相。 导电相的含量不高于20％，基于X射线衍射曲线，根据下式计算：导电相的含量（％）=（导电相/集成电路的最强峰的集成强度 强度最强的氮化铝相峰）×100。 氮化铝材料的电流响应指数在0.9至1.1的范围内，根据下式定义：电流响应指数=（施加电压5秒后的电流/电压后60秒的电流 被申请;被应用）。

公开(公告)号：US08231964B2

公开(公告)日：2012-07-31

申请号：US12717164

申请日：2010-03-04

申请人： Naomi Teratani ,  Yuji Katsuda

发明人： Naomi Teratani ,  Yuji Katsuda

IPC分类号： C04B35/10

CPC分类号： C04B35/117 ,  C04B35/645 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3229 ,  C04B2235/3865 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/721 ,  C04B2235/722 ,  C04B2235/77 ,  C04B2235/78 ,  C04B2235/80 ,  C04B2235/96

摘要： An aluminum oxide sintered body is provided, including europium and nitrogen, and plate-like crystals having peaks coinciding with EuAl12O19 in an X-ray diffraction profile are dispersed over a whole sintered body. Such an aluminum oxide sintered body can be obtained by forming a mixed powder containing an alumina powder, a europium compound powder and an aluminum nitride powder into a green body having a predetermined shape, and sintering the green body under a non-oxidizing atmosphere.

摘要翻译： 提供了包括铕和氮的氧化铝烧结体，并且在X射线衍射图中具有与EuAl 12 O 19重合的峰的板状晶体分散在整个烧结体上。 这样的氧化铝烧结体可以通过将含有氧化铝粉末，铕化合物粉末和氮化铝粉末的混合粉末形成到具有预定形状的生坯中并在非氧化气氛下烧结生坯而获得。

公开(公告)号：US07803733B2

公开(公告)日：2010-09-28

申请号：US12054715

申请日：2008-03-25

申请人： Naomi Teratani ,  Yuji Katsuda

发明人： Naomi Teratani ,  Yuji Katsuda

IPC分类号： C04B35/581

CPC分类号： C04B35/581 ,  C04B35/645 ,  C04B2235/3224 ,  C04B2235/5436 ,  C04B2235/77 ,  C04B2235/85 ,  C04B2235/9607

摘要： The aluminum nitride sintered body includes at least europium, aluminum, and oxygen. It was found that a grain boundary phase having a peak having a X-ray diffraction profile substantially the same as that of an Sr3Al2O6 phase could be three-dimensionally continued in the aluminum nitride sintered body to realize a lower resistance without damaging various properties unique to aluminum nitride.

摘要翻译： 氮化铝烧结体至少包括铕，铝和氧。 发现具有与Sr 3 Al 2 O 6相基本相同的X射线衍射分布的峰的晶界相可以在氮化铝烧结体中三维连续地实现，从而实现较低的电阻，而不损害以下特征： 氮化铝。

公开(公告)号：US20100056358A1

公开(公告)日：2010-03-04

申请号：US12549524

申请日：2009-08-28

申请人： Naomi TERATANI ,  Yuji Katsuda ,  Yoshimasa Kobayashi

发明人： Naomi TERATANI ,  Yuji Katsuda ,  Yoshimasa Kobayashi

IPC分类号： C04B35/101

CPC分类号： C04B35/111 ,  C04B35/62655 ,  C04B35/645 ,  C04B2235/3206 ,  C04B2235/3217 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3227 ,  C04B2235/3229 ,  C04B2235/3865 ,  C04B2235/445 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/656 ,  C04B2235/658 ,  C04B2235/6581 ,  C04B2235/77 ,  C04B2235/786 ,  C04B2235/80 ,  C04B2235/85 ,  C04B2235/96 ,  H01L21/6833

摘要： An aluminum oxide sintered product including a layer phase containing a rare-earth element and fluorine among grains of aluminum oxide serving as a main component, or a phase containing a rare-earth element and fluorine along edges of grains of aluminum oxide serving as a main component. The product includes a phase containing a rare-earth element and a fluorine element among grains of aluminum oxide, the phase not being in the form of localized dots but in the form of line segments, when viewed in an SEM image. The product can be readily adjusted to have a volume resistivity in the range of 1×1013 to 1×1016 Ω·cm, the volume resistivity being calculated from a current value after the lapse of 1 minute from the application of a voltage of 2 kV/mm to the aluminum oxide sintered product at room temperature.

摘要翻译： 包含作为主要成分的氧化铝的粒子中含有稀土元素和氟的层相的氧化铝烧结体，或者以氧化铝为主体的边缘的含有稀土元素和氟的相 零件。 该产品包括在氧化铝晶粒中含有稀土元素和氟元素的相，当从SEM图像中观察时，该相不是局部点形式，而是以线段的形式。 该产品可以容易地调整为体积电阻率在1×1013至1×1016＆OHgr·cm范围内，体积电阻率是从施加电压2分钟经过1分钟后的电流值计算的 kV / mm至室温下的氧化铝烧结体。