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1. 发明专利

JP2014069993A Manufacturing method of sintered body of aluminum nitride 审中-公开
标题翻译：硝酸铝烧结体的制造方法
公开(公告)号：JP2014069993A
公开(公告)日：2014-04-21
申请号：JP2012217414
申请日：2012-09-28
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： AOKI HIROTO , SUGAWARA KEN , KANECHIKA YUKIHIRO
IPC分类号： C04B35/626
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method of a sintered body of aluminum nitride by degreasing and burning an extrusion-molded body obtained by extrusion molding of a molding composition containing an aluminum nitride powder, a sintering assistant, a thermoplastic resin, and plasticizer, wherein sticking is prevented in degreasing stacked extrusion-molded bodies and a sintered body of aluminum nitride with high thermal conductivity is obtained in high productivity.SOLUTION: In manufacturing a sintered body of aluminum nitride by degreasing and burning an extrusion-molded body obtained by extrusion molding of a composition containing an aluminum nitride powder, a sintering assistant, a thermoplastic resin, and plasticizer, the aluminum nitride powder to be used has a D90 of 4.0 μm or more and a BET specific surface area of 3-5 m/g.
摘要翻译：要解决的问题：提供一种通过对包含氮化铝粉末，烧结助剂，热塑性树脂和增塑剂的模塑组合物的挤出成型获得的挤出成型体进行脱脂和燃烧的氮化铝烧结体的制造方法其中，防止堆叠的挤出成型体的脱脂，并且以高的生产率获得具有高导热性的氮化铝的烧结体。解决方案：在通过脱脂和烧制挤出成型体来制造氮化铝烧结体时，挤出成型含有氮化铝粉末，烧结助剂，热塑性树脂和增塑剂的组合物，所用的氮化铝粉末的D90为4.0μm以上，BET比表面积为3-5m 2 / g 。

2. 发明专利

JP2011190163A Method for producing aluminum nitride sintered compact workpiece 审中-公开
标题翻译：生产氮化铝烧结工艺的方法
公开(公告)号：JP2011190163A
公开(公告)日：2011-09-29
申请号：JP2010264080
申请日：2010-11-26
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： SUGAWARA KEN , KANECHIKA YUKIHIRO
IPC分类号： C04B35/581
摘要： PROBLEM TO BE SOLVED: To provide a method by which the heat deformation of an aluminum nitride sintered compact is suppressed in the case the aluminum nitride sintered compact is treated at a high temperature of 1,600 to 1,750°C, and an aluminum nitride sintered compact workpiece whose appearance and dimensional precision are both excellent can be produced.
SOLUTION: Regarding the method for producing an aluminum nitride sintered compact workpiece, including a step of treating an aluminum nitride sintered compact obtained by firing aluminum nitride powder at 1,600 to 1,750°C using yttrium oxide as a sintering aid, for example, including a metallizing treatment step or the like, the aluminum nitride sintered compact, in which the abundance of a YAG(3Y
2 O
3 -5Al
2 O
3 ) crystal phase in the grain boundary phase is ≤0.001 by the intensity ratio of the X-ray diffraction pattern of the YAG (211) face to the aluminum nitride (100) face, is used.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供在氮化铝烧结体在1,600至1750℃的高温下处理的情况下氮化铝烧结体的热变形被抑制的方法，以及氮化铝可以制造其外观和尺寸精度都优异的烧结压实工件。解决方案：关于氮化铝烧结体工件的制造方法，包括使用氧化钇作为烧结助剂来处理通过在1600〜1750℃下烧制氮化铝粉末而获得的氮化铝烧结体的工序，包括金属化处理步骤等，其中YAG（3Y 2 O 3 -5Al 2

3. 发明专利

JP2010222201A Method for producing aluminum nitride sintered body 有权
标题翻译：生产氮化铝烧结体的方法
公开(公告)号：JP2010222201A
公开(公告)日：2010-10-07
申请号：JP2009072985
申请日：2009-03-25
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： KANECHIKA YUKIHIRO , KAKUNO AYAKO
IPC分类号： C04B35/626
摘要： PROBLEM TO BE SOLVED: To provide a method for producing an aluminum nitride (AlN) sintered body, in which the (AlN) sintered body such as discarded AlN sintered body is pulverized, and the pulverized AlN sintered body is reused as raw material for sintering, thereby, the load to an environment is reduced.
SOLUTION: The AlN sintered body is crushed, and AlN crushed material of which the specific surface area is adjusted to be 1 to 2.5 m
2 /g is used as at least a part of AlN raw material powder and the AlN raw material powder is molded and sintered. Therein, the AlN crushed material is preferably obtained by subjecting the AlN preliminarily crushed material to collision crushing according to an opposite type jet-mill using an inactive gas as carrier gas, wherein the AlN sintered body is preliminarily crushed to obtain the AlN preliminarily crushed material which has a specific surface area of 0.2m
2 /g of less, concentration of metal impurities other than sintering assist of 500 ppm or less and oxygen concentration of 3 wt.% or less.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供一种制造氮化铝（AlN）烧结体的方法，其中（AlN）烧结体如废弃的AlN烧结体被粉碎，粉碎的AlN烧结体被再次用作原料用于烧结的材料，从而降低对环境的负荷。解决方案：将AlN烧结体粉碎，将比表面积调整为1〜2.5μm的AlN粉碎材料 2 / g作为AlN原料的至少一部分材料粉末和AlN原料粉末被模制和烧结。其中，AlN粉碎材料优选通过使用惰性气体作为载气对相对式的喷射式粉碎机进行AlN预先破碎的材料进行碰撞破碎，其中，预先将AlN烧结体粉碎，得到AlN预先粉碎的材料其比表面积为0.2m 2 / SP / g以下，烧结辅助以外的金属杂质浓度为500ppm以下，氧浓度为3重量％以下。版权所有（C）2011，JPO＆INPIT

4. 发明专利

JP2010195632A Production method of single crystal aluminum nitride plate body 审中-公开
标题翻译：单晶氮化铝板体的生产方法
公开(公告)号：JP2010195632A
公开(公告)日：2010-09-09
申请号：JP2009042623
申请日：2009-02-25
申请人： Meijo Univ , Tokuyama Corp , 学校法人名城大学 , 株式会社トクヤマ
发明人： AMANO HIROSHI , KANECHIKA YUKIHIRO , AZUMA MASANOBU
IPC分类号： C30B29/38 , C30B23/06
摘要： PROBLEM TO BE SOLVED: To provide a production method, by which a single crystal aluminum nitride plate body having a large area and thickness is formed at high speed. SOLUTION: The method includes: a preparation step of preparing a raw material comprising aluminum nitride and a compound oxide or a compound nitride oxide containing aluminum and at least one kind of element selected from rare earth elements and alkaline earth metal elements, or a raw material comprising aluminum nitride and a raw material substance (except for aluminum nitride) of a compound oxide or a compound nitride oxide, and disposing an inorganic single crystal substrate 22 having projections 24, 26 formed thereon close to the raw material; and a single crystal aluminum nitride forming step of forming a plate body 28 composed of single crystal aluminum nitride on the projections 24, 26 by heating the raw material and the inorganic single crystal substrate 22 in a non-oxidative atmosphere at 10 to 10,000 Pa while controlling the temperature of the raw material to 1,600 to 2,000°C and the temperature of the inorganic single crystal substrate 22 to 1,580°C or higher but lower than the temperature of the raw material. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种以高速形成具有大面积和厚度的单晶氮化铝板体的制造方法。解决方案：该方法包括：制备包含氮化铝和复合氧化物的原料的制备步骤或包含铝和选自稀土元素和碱土金属元素中的至少一种元素的复合氧化物或复合氮氧化物，或包含氮化铝和复合氧化物或复合氮化物氧化物的原料物质（氮化铝除外）的原料，并且在其上形成有靠近原料的具有突起24,26的无机单晶基板22; 以及单晶氮化铝形成工序，通过在10〜10000Pa的非氧化性气氛中加热原料和无机单晶基板22，在突起24,26上形成由单晶氮化铝构成的板体28，同时将原料的温度控制在1,600〜2000℃，将无机单晶基板22的温度控制在1580℃以上且低于原料的温度。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2014101248A Metal-ceramics joining substrate and method of producing the same 有权
标题翻译：金属陶瓷接合基板及其制造方法
公开(公告)号：JP2014101248A
公开(公告)日：2014-06-05
申请号：JP2012253812
申请日：2012-11-20
申请人： Dowa Metaltech Kk , Dowaメタルテック株式会社 , Tokuyama Corp , 株式会社トクヤマ
发明人： OSANAI HIDEYO , KITAMURA MASAHIRO , AOKI HIROTO , KANECHIKA YUKIHIRO , SUGAWARA KEN , TAKEDA YASUKO
IPC分类号： C04B37/02 , H05K1/02 , H05K1/03 , H05K3/38
摘要： PROBLEM TO BE SOLVED: To provide a metal-ceramics joining substrate having excellent joining strength between a ceramics substrate and a metal plate, and further having excellent heat cycle resistance, and a method of producing the same.SOLUTION: In such a manner that the residual stress of a ceramics substrate 10 made of an aluminum nitride sintered compact is controlled to -50 MPa or less, the arithmetic average roughness Ra of a joint face with a metal plate 14 in the ceramics substrate 10 is controlled to 0.15 to 0.30 μm, the ten-point average roughness Rz is controlled to 0.7 to 1.1 μm, the maximum height Ry is controlled to 0.9 to 1.7 μm, the deflective strength of the ceramics substrate 10 is controlled to 500 MPa or less, and the thickness of a residual stress layer 10a formed along the surface of the ceramics substrate 10 is controlled to 25 μm or less, wet blast treatment of jetting slurry including spherical alumina as granules in a liquid to the surface of the ceramics substrate 10 is performed, and thereafter, the ceramics substrate 10 obtained by the wet blast treatment is joined with the metal plate 14 made of copper or a copper alloy via a brazing filler metal 12.
摘要翻译：要解决的问题：提供一种在陶瓷基板和金属板之间具有优异的接合强度并且还具有优异的耐热循环性的金属 - 陶瓷接合基板及其制造方法。解决方案：将由氮化铝烧结体制成的陶瓷基板10的残余应力控制在-50MPa以下，将与陶瓷基板10的金属板14的接合面的算术平均粗糙度Ra控制在0.15〜0.30μm，将十点平均粗糙度Rz控制为0.7〜1.1μm，将最大高度Ry控制为0.9〜1.7μm，将陶瓷基板10的偏转强度控制在500MPa以下，残留应力的厚度沿着陶瓷基板10的表面形成的层10a被控制为25μm以下，将包含作为颗粒的球状氧化铝的喷射浆料在液体中的喷砂处理湿式喷砂处理到陶瓷的表面然后，通过湿式喷砂处理获得的陶瓷基板10通过钎料12与铜或铜合金制的金属板14接合。

6. 发明专利

JP2013212993A Method for producing reformed aluminum nitride sintered compact 有权
标题翻译：用于生产改性的氮化铝烧结的方法
公开(公告)号：JP2013212993A
公开(公告)日：2013-10-17
申请号：JP2013152642
申请日：2013-07-23
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： KAITO YURIKO , KANECHIKA YUKIHIRO , AZUMA MASANOBU
IPC分类号： C04B35/581
CPC分类号： C04B14/326 , C04B35/581 , C04B41/0072 , C04B41/009 , C04B41/80 , C04B2111/805 , C04B41/4519
摘要： PROBLEM TO BE SOLVED: To provide a method for easily producing a reformed aluminum nitride sintered compact having very excellent light transmission characteristic, especially usable preferably as a translucent cover of a light source with high luminous efficiency, in hjgh yield.SOLUTION: A production method of reformed aluminum nitride sintered compact uses an aluminum nitride sintered compact with 150 ppm or less impurity metal concentration except aluminum, 0.5 wt.% or less oxygen concentration and 95% or higher relative density as a starting raw material, and performs heat treatment under an oxidizing atmosphere in a temperature range of 1,400-2,000°C so as to obtain a reformed aluminum nitride sintered compact with 0.08 wt.% of oxygen concentration.
摘要翻译：要解决的问题：提供一种易于制造具有非常优异的透光特性的重整氮化铝烧结体的方法，特别是可以优选具有高发光效率的光源的半透明盖，以高收率产生。制造方法改性氮化铝烧结体使用氮化铝烧结体，除了铝以外，杂质金属浓度为150ppm以下，氧浓度为0.5重量％以下，相对密度为95重量％以上为起始原料，并进行热处理氧化气氛，在1400〜2000℃的温度范围内，得到0.08重量％的氧浓度的重氮化氮化铝烧结体。

7. 发明专利

JP2012246169A Method for manufacturing aluminum nitride-metal joined substrate 有权
标题翻译：制造氮化钛金属接合基板的方法
公开(公告)号：JP2012246169A
公开(公告)日：2012-12-13
申请号：JP2011118421
申请日：2011-05-26
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： SUGAWARA KEN , KANECHIKA YUKIHIRO , AOKI HIROTO
IPC分类号： C04B37/02 , B24C1/00 , B24C3/00 , H05K3/38
摘要： PROBLEM TO BE SOLVED: To provide a manufacturing method which enables to stably obtain with good reproducibility an aluminum nitride-metal joined substrate that is excellent in flexural strength and thermal cycle properties of an aluminum nitride-metal joined plate after metal substrate joining, while reliably removing a releasing material and the like adhering to the surface of an aluminum nitride sintered body substrate.SOLUTION: The manufacturing method includes modifying the surface of an aluminum nitride sintered body substrate to be processed by collision of abrasive grains against the surface to be processed, and then joining a metal substrate to the surface, wherein abrasive grains having a higher hardness than the aluminum nitride sintered body are used as the above abrasive grains, and a liquid containing the abrasive grains at a concentration of 10-30 vol.% is jetted on the surface of the aluminum nitride sintered body substrate to be processed so that the pressure applied to the surface to be processed may become 0.07-0.12 MPa.
摘要翻译：要解决的问题：提供一种能够以良好的再现性稳定地获得氮化铝 - 金属接合基板的制造方法，该金属接合基板在金属基板接合之后的氮化铝 - 金属接合板的弯曲强度和热循环性能优异同时可靠地除去附着在氮化铝烧结体基板的表面上的剥离材料等。解决方案：制造方法包括通过磨粒与待加工表面的碰撞来改变要加工的氮化铝烧结体基材的表面，然后将金属基材接合到表面，其中具有较高的使用硬度比氮化铝烧结体作为上述磨粒，将含有浓度为10〜30体积％的磨粒的液体喷射到要加工的氮化铝烧结体基材的表面上，施加到待处理表面的压力可以变为0.07-0.12MPa。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2011121812A Aluminum nitride powder 有权
标题翻译：氮化铝粉
公开(公告)号：JP2011121812A
公开(公告)日：2011-06-23
申请号：JP2009280595
申请日：2009-12-10
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： KAKUNO AYAKO , KANECHIKA YUKIHIRO
IPC分类号： C04B35/626 , C01B21/072 , C04B35/622
摘要： PROBLEM TO BE SOLVED: To provide an aluminum nitride powder which is obtained by pulverizing AIN sintered compacts occurring as a result of waste disposal, and exhibits a stable sintering performance as a sintering material for AIN sintered compacts.
SOLUTION: The aluminum nitride powder is a powder obtained by pulverizing aluminum nitride compacts, has an average particle size of 2-10 μm, includes a micro powder having particle sizes of not larger than 1 μm observed under a 3,000 X electron-microscopic photograph in an amount not larger than 5% in the powder in terms of the surface area ratio, and has a concentration of metallic impurities other than a sintering aid of not greater than 1,500 ppm. The aluminum nitride powder is obtained by preliminarily pulverizing aluminum nitride compacts to desired sizes causing intergranular fracture preferentially and subsequently impact-milling the preliminary pulverized material.
COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：待解决的问题：提供通过粉碎作为废物处理的结果而发生的AlN烧结体获得的氮化铝粉末，并且作为用于AIN烧结体的烧结材料表现出稳定的烧结性能。解决方案：氮化铝粉末是通过粉碎氮化铝粉末得到的粉末，其平均粒度为2-10μm，包括在3000X电子发射器下观察到的具有不大于1μm的粒径的微粉末，粉末中表面积比为5％以下的显微镜照片，除烧结助剂以外的金属杂质浓度不大于1500ppm。通过将氮化铝粉末预先粉碎成所需的尺寸，优先引起晶间断裂并随后冲击研磨预制粉碎材料，获得氮化铝粉末。版权所有（C）2011，JPO＆INPIT

9. 发明专利

JP2009249221A Aluminum nitride sintered compact, and method for producing the same 有权
标题翻译：氮化铝烧结紧固件及其制造方法
公开(公告)号：JP2009249221A
公开(公告)日：2009-10-29
申请号：JP2008098596
申请日：2008-04-04
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： KAKUNO AYAKO , KANECHIKA YUKIHIRO , AZUMA MASANOBU
IPC分类号： C04B35/581 , C04B35/64
摘要： PROBLEM TO BE SOLVED: To provide an aluminum nitride sintered compact having high thermal conductivity and further having satisfactory machinability. SOLUTION: Disclosed is an aluminum nitride sintered compact having aluminum nitride crystal grains having hardness of 21,000 Pa and the average grain size of 4 to 9 μm. The sintered compact preferably comprises a sintering assistant-containing phase having the average grain size of 0.5 to 2 μm and preferably containing Y 2 O 3 as a single compound at the triple point of each aluminum nitride crystal grain at a ratio in which the ratio of Y in the sintered compact reaches 1.4 to 3.5 mass%. COPYRIGHT: (C)2010,JPO&INPIT

10. 发明专利

JP2009092361A Holder for ceramic molded product 有权
标题翻译：陶瓷模具产品持有人
公开(公告)号：JP2009092361A
公开(公告)日：2009-04-30
申请号：JP2007266395
申请日：2007-10-12
申请人： Tokuyama Corp , 株式会社トクヤマ
发明人： KAITO YURIKO , KANECHIKA YUKIHIRO , AZUMA MASANOBU
IPC分类号： F27D3/12 , C04B35/64
摘要： PROBLEM TO BE SOLVED: To provide a holder for a ceramic molded product capable of preventing deformation of the ceramic molded product comprising aluminum nitride or the like as much as possible. SOLUTION: The holder 10 is for holding the ceramic molded product comprising a body comprising a hollow molded body, and a shaft portion formed by respectively extending both ends of the body in a vertical state of the shaft portion, and comprises a pair of frame bodies 20, 30 having hole parts 12 capable of loosely engaging the shaft portion in the same position, and a support 50 interposed between the frame bodies 20, 30 and maintaining an interval between the frame bodies 20, 30 in upper and lower stages such that it is more than a height of the body of the ceramic molded product and less than a total length of heights of an upper shaft portion and the body. The support 50 is detachably attached to at least one of the frame bodies 20, 30, and the ceramic molded product is comprised such that it is held by the frame body of the lower stage by abutting at least one part of a lower face of the body. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够尽可能防止包含氮化铝等的陶瓷成型体的变形的陶瓷成形体的保持架。解决方案：保持器10用于保持陶瓷模制产品，该陶瓷模制产品包括包括中空成型体的主体和轴部分，该轴部分分别在轴部的垂直状态下延伸主体的两端，并且包括一对具有能够在相同位置松动地接合轴部的孔部分12的框架体20,30和插入在框架体20,30之间的支撑件50，并且保持框架主体20,30在上部和下部的间隔使得其比陶瓷成型品的主体的高度大于上轴部和主体的高度的总长度。支撑件50可拆卸地附接到框架体20,30中的至少一个，并且陶瓷模制产品被构造成使得其被下部的框架体保持，其中，底板的下表面的至少一部分身体。版权所有（C）2009，JPO＆INPIT

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