公开(公告)号：US20100183860A1

公开(公告)日：2010-07-22

申请号：US12676033

申请日：2008-09-02

申请人： Yuriko Kaito ,  Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yuriko Kaito ,  Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： C01B21/072

CPC分类号： C04B14/326 ,  C04B35/581 ,  C04B41/0072 ,  C04B41/009 ,  C04B41/80 ,  C04B2111/805 ,  C04B41/4519

摘要： [Problems] To provide a method of producing, easily and in a high yield, a reformed aluminum nitride sintered body having very excellent light transmission property which can be favorably used as a light-transmitting cover particularly for light sources having high luminous efficiencies.[Means for Solution] An aluminum nitride sintered body having a concentration of metal impurities excluding aluminum of not more than 150 ppm, an oxygen concentration of not more than 0.5% by weight and a relative density of not less than 95% is used as a starting material. The aluminum nitride sintered body is heat-treated in an oxidizing atmosphere in a temperature region of 1400 to 2000° C. to increase the oxygen concentration by not less than 0.03% by weight.

摘要翻译： 本发明提供一种具有非常优异的透光性的改性氮化铝烧结体的制造方法，该方法可有利地用作具有高发光效率的光源的透光罩。 [解决方案]使用铝不超过150ppm，氧浓度不超过0.5重量％，相对密度不低于95％的氮化铝烧结体作为 起始材料 在1400〜2000℃的温度区域的氧化气氛中对氮化铝烧结体进行热处理，使氧浓度增加0.03重量％以上。

公开(公告)号：US08703041B2

公开(公告)日：2014-04-22

申请号：US12676033

申请日：2008-09-02

申请人： Yuriko Kaito ,  Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yuriko Kaito ,  Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： C04B14/32

CPC分类号： C04B14/326 ,  C04B35/581 ,  C04B41/0072 ,  C04B41/009 ,  C04B41/80 ,  C04B2111/805 ,  C04B41/4519

摘要： [Problems] To provide a method of producing, easily and in a high yield, a reformed aluminum nitride sintered body having very excellent light transmission property which can be favorably used as a light-transmitting cover particularly for light sources having high luminous efficiencies. [Means for Solution] An aluminum nitride sintered body having a concentration of metal impurities excluding aluminum of not more than 150 ppm, an oxygen concentration of not more than 0.5% by weight and a relative density of not less than 95% is used as a starting material. The aluminum nitride sintered body is heat-treated in an oxidizing atmosphere in a temperature region of 1400 to 2000° C. to increase the oxygen concentration by not less than 0.03% by weight.

摘要翻译： 本发明提供一种具有非常优异的透光性的改性氮化铝烧结体的制造方法，该方法可有利地用作特别是具有高发光效率的光源的透光罩。 [解决方案]使用铝不超过150ppm，氧浓度不超过0.5重量％，相对密度不低于95％的氮化铝烧结体作为 起始材料 在1400〜2000℃的温度区域的氧化气氛中对氮化铝烧结体进行热处理，使氧浓度增加0.03重量％以上。

公开(公告)号：US07960915B2

公开(公告)日：2011-06-14

申请号：US12097580

申请日：2006-12-15

申请人： Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： H01J17/18

CPC分类号： H01J61/366 ,  C04B35/581 ,  C04B35/628 ,  C04B37/025 ,  C04B37/026 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/3865 ,  C04B2235/3895 ,  C04B2235/404 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/6021 ,  C04B2235/652 ,  C04B2235/6587 ,  C04B2235/72 ,  C04B2235/94 ,  C04B2235/9623 ,  C04B2235/9653 ,  C04B2235/9661 ,  C04B2237/08 ,  C04B2237/122 ,  C04B2237/366 ,  C04B2237/403 ,  H01J61/302 ,  H01J61/82

摘要： A cement for bonding an arc tube body made of an aluminum nitride sintered body and an electrode support made of molybdenum achieves high gas tightness in the obtainable arc tube without impairing the excellent translucency of the aluminum nitride sintered body. The cement contains a molybdenum powder and an aluminum nitride powder, and the total amount of metalloid elements, rare-earth elements and metal elements (except the rare-earth elements and aluminum element) corresponding to the following conditions (1) and (2) is 300 ppm or less: (1) metal elements having a melting point of 2000° C. or lower, and (2) metal elements having an ion radius smaller than that of aluminum.

摘要翻译： 用于粘合由氮化铝烧结体制成的电弧管体和由钼制成的电极支撑体的水泥在得到的电弧管中实现高气密性，而不损害氮化铝烧结体的优异的半透明性。 水泥含有钼粉末和氮化铝粉末，对应于以下条件（1）和（2）的准金属元素，稀土元素和金属元素（稀土元素和铝元素除外）的总量， 为300ppm以下：（1）熔点为2000℃以下的金属元素，（2）离子半径小于铝的金属元素。

公开(公告)号：US20100233393A1

公开(公告)日：2010-09-16

申请号：US12282583

申请日：2007-03-13

申请人： Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： C01B21/072 ,  B32B1/00

CPC分类号： H01J61/302 ,  C04B35/581 ,  C04B2235/3208 ,  C04B2235/3213 ,  C04B2235/3222 ,  C04B2235/3224 ,  C04B2235/3225 ,  C04B2235/3229 ,  C04B2235/422 ,  C04B2235/425 ,  C04B2235/604 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/658 ,  C04B2235/662 ,  C04B2235/72 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/725 ,  C04B2235/85 ,  C04B2235/87 ,  C04B2235/94 ,  C04B2235/9653 ,  Y10T428/13

摘要： A process for producing an aluminum nitride sintered body having improved light transmission properties includes the step of subjecting an ordinary aluminum nitride sintered body to thermal treatment in an inert atmosphere at a temperature of from 1300 to 1400° C. for at least 1 hr. A cover for light sources is produced by the process and includes a hollow aluminum nitride sintered body having a light transmittance in the visible light region of at least 87%, which body is obtainable by thermally treating a hollow aluminum nitride sintered body in an inert atmosphere at a temperature of 1300 to 1400° C. for at least 1 hr.

摘要翻译： 一种具有改善的透光性能的氮化铝烧结体的制造方法，包括使普通氮化铝烧结体在惰性气氛中在1300〜1400℃的温度下热处理至少1小时的工序。 通过该方法生产光源用盖，并且包括在可见光区域的透光率为至少87％的中空氮化铝烧结体，该主体可通过在惰性气氛中热处理中空氮化铝烧结体 在1300至1400℃的温度下至少1小时。

公开(公告)号：US20090041961A1

公开(公告)日：2009-02-12

申请号：US12063389

申请日：2006-08-04

申请人： Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： B32B1/08 ,  B32B3/10

CPC分类号： H01J61/302 ,  C04B35/581 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/652 ,  C04B2235/6586 ,  C04B2235/6587 ,  C04B2235/662 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/725 ,  C04B2235/786 ,  C04B2235/963 ,  H01J61/827 ,  Y10T428/131 ,  Y10T428/24479

摘要： Provided is an aluminum nitride sintered body with high optical transmissivity and which has a smooth surface in the unpolished condition after firing. The aluminum nitride sintered body has an oxygen concentration of 450 ppm or less, a concentration of impurity elements excluding oxygen, nitrogen, and aluminum of 350 ppm or less, and an average crystal grain diameter of between 2 μm and 20 μm, and also has an arithmetic mean surface height Ra of 1 μm or less and a maximum height Rz of 10 μm or less in the unpolished condition after firing.

摘要翻译： 提供具有高透光率的氮化铝烧结体，并且在烧成后具有未抛光状态的光滑表面。 氮化铝烧结体的氧浓度为450ppm以下，除氧，氮，铝以外的杂质元素浓度为350ppm以下，平均结晶粒径为2μm〜20μm，并且还具有 烧成后的未磨光状态下的算术平均表面高度Ra为1μm以下，最大高度Rz为10μm以下。

公开(公告)号：US20050070421A1

公开(公告)日：2005-03-31

申请号：US10948211

申请日：2004-09-24

申请人： Yukihiro Kanechika ,  Hideki Sato ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Hideki Sato ,  Masanobu Azuma

IPC分类号： C04B35/581 ,  C04B35/64

CPC分类号： C04B35/6261 ,  C04B35/581 ,  C04B35/62625 ,  C04B2235/3212 ,  C04B2235/3225 ,  C04B2235/3865 ,  C04B2235/442 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/725 ,  C04B2235/786 ,  C04B2235/94 ,  C04B2235/96 ,  C04B2235/9653

摘要： An aluminum nitride sintered body having an oxygen concentration of not larger than 400 ppm, a metal impurity concentration of not larger than 150 ppm, and a carbon concentration of not larger than 200 ppm, and having an average crystal grain size of 2 μm to 20 μm. The sintered body exhibits particularly excellent optical properties such as an inclination of a spectral curve in the wavelength region of 260 to 300 nm of not smaller than 1.0 (%/nm), a light transmission factor of not smaller than 86% in the wavelength region of 400 to 800 nm, and a wavelength of not longer than 400 nm when the light transmission factor reaches 60% in the spectrum.

摘要翻译： 具有氧浓度不大于400ppm，金属杂质浓度不大于150ppm，碳浓度不大于200ppm，平均晶粒尺寸为2μm至20μm的氮化铝烧结体 妈妈 烧结体表现出特别优异的光学特性，例如260nm至300nm波长范围内的光谱曲线的倾斜度不小于1.0（％/ nm），波长区域的透光率不低于86％ 400nm至800nm，当透光率在光谱中达到60％时波长不大于400nm。

公开(公告)号：US08148283B2

公开(公告)日：2012-04-03

申请号：US12525224

申请日：2008-02-04

申请人： Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： C04B35/581

CPC分类号： C04B35/581 ,  C04B35/6261 ,  C04B35/6264 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/3225 ,  C04B2235/5409 ,  C04B2235/652 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/6587 ,  C04B2235/72 ,  C04B2235/721 ,  C04B2235/723 ,  C30B23/00 ,  C30B29/403

摘要： A high-purity aluminum nitride sintered body is provided by efficiently removing oxides contained in a raw material powder in producing an aluminum nitride sintered body and preventing composite oxide produced by reaction of oxides contained in the raw material powder with a sintering aid from remaining in the aluminum nitride sintered body. The above sintered body is achieved by an aluminum nitride sintered body having a concentration of residual oxygen excluding attached oxygen of 350 ppm or less.

摘要翻译： 通过有效地除去原料粉末中含有的氧化物，制造氮化铝烧结体，防止由原料粉末中所含的氧化物与烧结助剂的反应产生的复合氧化物残留在 氮化铝烧结体。 上述烧结体是通过除了附着氧以外的残留氧浓度为350ppm以下的氮化铝烧结体实现的。

公开(公告)号：US20100093514A1

公开(公告)日：2010-04-15

申请号：US12525224

申请日：2008-02-04

申请人： Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： C04B35/581 ,  C04B33/32

CPC分类号： C04B35/581 ,  C04B35/6261 ,  C04B35/6264 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/3225 ,  C04B2235/5409 ,  C04B2235/652 ,  C04B2235/656 ,  C04B2235/6567 ,  C04B2235/6587 ,  C04B2235/72 ,  C04B2235/721 ,  C04B2235/723 ,  C30B23/00 ,  C30B29/403

摘要： A high-purity aluminum nitride sintered body is provided by efficiently removing oxides contained in a raw material powder in producing an aluminum nitride sintered body and preventing composite oxide produced by reaction of oxides contained in the raw material powder with a sintering aid from remaining in the aluminum nitride sintered body. The above sintered body is achieved by an aluminum nitride sintered body having a concentration of residual oxygen excluding attached oxygen of 350 ppm or less.

摘要翻译： 通过有效地除去原料粉末中含有的氧化物，制造氮化铝烧结体，防止由原料粉末中所含的氧化物与烧结助剂的反应产生的复合氧化物残留在 氮化铝烧结体。 上述烧结体是通过除了附着氧以外的残留氧浓度为350ppm以下的氮化铝烧结体实现的。

公开(公告)号：US07081425B2

公开(公告)日：2006-07-25

申请号：US10948211

申请日：2004-09-24

申请人： Yukihiro Kanechika ,  Hideki Sato ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Hideki Sato ,  Masanobu Azuma

IPC分类号： C04B35/581

CPC分类号： C04B35/6261 ,  C04B35/581 ,  C04B35/62625 ,  C04B2235/3212 ,  C04B2235/3225 ,  C04B2235/3865 ,  C04B2235/442 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/725 ,  C04B2235/786 ,  C04B2235/94 ,  C04B2235/96 ,  C04B2235/9653

摘要： An aluminum nitride sintered body having an oxygen concentration of not larger than 400 ppm, a metal impurity concentration of not larger than 150 ppm, and a carbon concentration of not larger than 200 ppm, and having an average crystal grain size of 2 μm to 20 μm. The sintered body exhibits particularly excellent optical properties such as an inclination of a spectral curve in the wavelength region of 260 to 300 nm of not smaller than 1.0 (%/nm), a light transmission factor of not smaller than 86% in the wavelength region of 400 to 800 nm, and a wavelength of not longer than 400 nm when the light transmission factor reaches 60% in the spectrum.

摘要翻译： 具有氧浓度不大于400ppm，金属杂质浓度不大于150ppm，碳浓度不大于200ppm，平均晶粒尺寸为2μm至20μm的氮化铝烧结体 妈妈 烧结体表现出特别优异的光学特性，例如260nm至300nm波长范围内的光谱曲线的倾斜度不小于1.0（％/ nm），波长区域的透光率不低于86％ 400nm至800nm，当透光率在光谱中达到60％时波长不大于400nm。

公开(公告)号：US08597743B2

公开(公告)日：2013-12-03

申请号：US12063389

申请日：2006-08-04

申请人： Yukihiro Kanechika ,  Masanobu Azuma

发明人： Yukihiro Kanechika ,  Masanobu Azuma

IPC分类号： B32B1/00 ,  B32B1/02 ,  B32B1/08 ,  C04B35/00

CPC分类号： H01J61/302 ,  C04B35/581 ,  C04B2235/3208 ,  C04B2235/3222 ,  C04B2235/5409 ,  C04B2235/5436 ,  C04B2235/5445 ,  C04B2235/652 ,  C04B2235/6586 ,  C04B2235/6587 ,  C04B2235/662 ,  C04B2235/721 ,  C04B2235/723 ,  C04B2235/725 ,  C04B2235/786 ,  C04B2235/963 ,  H01J61/827 ,  Y10T428/131 ,  Y10T428/24479

摘要： Provided is an aluminum nitride sintered body with high optical transmissivity and which has a smooth surface in the unpolished condition after firing. The aluminum nitride sintered body has an oxygen concentration of 450 ppm or less, a concentration of impurity elements excluding oxygen, nitrogen, and aluminum of 350 ppm or less, and an average crystal grain diameter of between 2 μm and 20 μm, and also has an arithmetic mean surface height Ra of 1 μm or less and a maximum height Rz of 10 μm or less in the unpolished condition after firing.

摘要翻译： 提供具有高透光率的氮化铝烧结体，并且在烧成后具有未抛光状态的光滑表面。 氮化铝烧结体的氧浓度为450ppm以下，除氧，氮，铝以外的杂质元素浓度为350ppm以下，平均结晶粒径为2μm〜20μm，并且还具有 烧成后的未磨光状态下的算术平均表面高度Ra为1μm以下，最大高度Rz为10μm以下。