专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US5173458A Silicon nitride sintered body and process for producing the same 失效
标题翻译：硅氮化物烧结体及其制造方法
公开(公告)号：US5173458A
公开(公告)日：1992-12-22
申请号：US810723
申请日：1991-12-18
申请人： Takao Nishioka , Kenji Matsunuma , Koichi Sogabe , Tomoyuki Awatsu , Masaya Miyake , Takehisa Yamamoto , Akira Yamakawa
发明人： Takao Nishioka , Kenji Matsunuma , Koichi Sogabe , Tomoyuki Awatsu , Masaya Miyake , Takehisa Yamamoto , Akira Yamakawa
IPC分类号： C04B35/593
CPC分类号： C04B35/5935
摘要： Disclosed is a silicon nitride sintered body produced by subjecting a green compact of a mixed powder composed of 1) a silicon nitride powder having a percentage .alpha. crystallization of 93% or more and a mean grain diameter of 0.7 .mu.m or less and 2) 5 to 15% by weight in total of a first sintering aid selected from among rare earth element, yttrium oxide and lanthanide oxides and a second sintering aid consisting of aluminum oxide or nitride and at least one selected from among oxides and nitrides of Mg, Ca and Li, to primary sintering in a nitrogen gas atmosphere under a pressure of 1.1 atm or less at 1500.degree. to 1700.degree. C.; and subjecting the sintered body to secondary sintering in a nitrogen gas atmosphere under a pressure of 10 atm or more at the primary sintering temperature or below, thereby giving a sintered body wherein the relative density of the sintered body is 99% or more and the precipitation ratio of an .alpha.-Si.sub.3 N.sub.4 (including .beta.'-sialon) crystal phase ranges from 1:3 to 1:8 in terms of the peak intensity ratio in X-ray diffraction.

2. 发明授权

US5264388A Sintered body of aluminum nitride 失效
标题翻译：氮化铝烧结体
公开(公告)号：US5264388A
公开(公告)日：1993-11-23
申请号：US824746
申请日：1992-01-17
申请人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Koichi Sogabe
发明人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Koichi Sogabe
IPC分类号： C04B35/581 , H01L23/15 , H05K1/03 , C04B35/58
CPC分类号： C04B35/581 , H01L23/15 , H01L2924/0002 , H05K1/0306 , Y10S428/901
摘要： The present invention provides a sintered body of aluminum nitride comprising (i) aluminum nitride as a main component and (ii) at least one component selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Co, Ni, Nd, Ho, Ti, and compounds thereof in the total amounts of not greater than 1.0 wt. % and not less than 0.01 wt. % in terms of elements on the basis of sintered body, the sintered body being colored and having a thermal conductivity of at least 150 W/mK. The sintered body is useful for the preparation of circuit boards having printed circuits thereon and highly heat-releasing ceramic packages for semiconductive devices.
摘要翻译：本发明提供一种氮化铝烧结体，其包含（i）氮化铝作为主要成分，和（ii）选自Zr，Hf，V，Nb，Ta，Cr，Mo，W， Fe，Co，Ni，Nd，Ho，Ti及其化合物的总量不大于1.0wt。％且不小于0.01wt。基于烧结体的元素的％，烧结体着色并具有至少150W / mK的导热率。该烧结体可用于制备其上具有印刷电路的电路板和用于半导体器件的高度散热的陶瓷封装。

3. 发明授权

US5219803A Sintered body of aluminum nitride 失效
标题翻译：氮化铝烧结体
公开(公告)号：US5219803A
公开(公告)日：1993-06-15
申请号：US803117
申请日：1991-12-05
申请人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Koichi Sogabe
发明人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Koichi Sogabe
IPC分类号： C04B35/581 , H01L23/15 , H05K1/03
CPC分类号： H01L23/15 , C04B35/581 , H01L2924/0002 , H05K1/0306
摘要： The present invention provides a sintered body of aluminum nitride comprising (i) aluminum nitride as a main component and (ii) at least one component selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Co, Ni, Nd, Ho, Ti and compounds thereof in the total amounts of not greater than 1.0 wt.% and not less than 0.01 wt.% in terms of elements on the basis of sintered body, the sintered body being colored and having a thermal conductivity of at least 150 W/mK. The sintered body is useful for the preparation of circuit boards having printed circuits thereon and highly heat-releasing ceramic packages for semiconductive devices.
摘要翻译：本发明提供一种氮化铝烧结体，其包含（i）氮化铝作为主要成分，和（ii）选自Zr，Hf，V，Nb，Ta，Cr，Mo，W， Fe，Co，Ni，Nd，Ho，Ti及其化合物的总量不大于1.0重量％且不小于0.01重量％，基于烧结体的元素，烧结体是着色的并具有至少150W / mK的热导率。该烧结体可用于制备其上具有印刷电路的电路板和用于半导体器件的高度散热的陶瓷封装。

4. 发明授权

US5034357A Heat-conductive aluminum nitride sintered body and method of manufacturing the same 失效
标题翻译：导热氮化铝烧结体及其制造方法
公开(公告)号：US5034357A
公开(公告)日：1991-07-23
申请号：US303284
申请日：1989-01-26
申请人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Hisao Takeuchi , Koichi Sogabe , Akira Sasame
发明人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Hisao Takeuchi , Koichi Sogabe , Akira Sasame
IPC分类号： C04B35/58 , C04B35/581 , H01L21/48 , H01L23/15 , H05K1/03
CPC分类号： H01L23/15 , C04B35/581 , C04B35/64 , C04B37/026 , H01L21/4807 , C04B2235/3208 , C04B2235/3224 , C04B2235/3225 , C04B2235/3229 , C04B2235/3865 , C04B2235/3895 , C04B2235/449 , C04B2235/5445 , C04B2235/6567 , C04B2235/6583 , C04B2235/721 , C04B2235/723 , C04B2235/761 , C04B2235/77 , C04B2235/85 , C04B2235/9607 , C04B2235/963 , C04B2237/122 , C04B2237/123 , C04B2237/366 , C04B2237/403 , C04B2237/407 , C04B2237/55 , C04B2237/72 , H01L2224/48091 , H01L24/48 , H01L2924/00014 , H01L2924/01014 , H01L2924/01019 , H01L2924/0102 , H01L2924/01021 , H01L2924/01039 , H01L2924/01046 , H01L2924/01057 , H01L2924/01063 , H01L2924/01067 , H01L2924/01068 , H01L2924/01078 , H01L2924/01079 , H01L2924/10253 , H01L2924/14 , H01L2924/15153 , H01L2924/15165 , H01L2924/16152 , H05K1/0306 , Y10S428/901 , Y10T428/24917
摘要： An aluminum nitride sintered body mainly composed of aluminum nitride, contains 0.01 to 1.0 percent by weight of a rare earth element and 0.001 to 0.5 percent by weight of oxygen. Such a body has a thermal conductivity of at least 180 W/mK. For manufacturing such an aluminum nitride sintered body, aluminum nitride powder (201) is first prepared. At least one compound (203) containing a rare earth element is added to the aluminum nitride powder (201) to contain 0.01 to 1.0 percent by weight, in rare earth element conversion, of the compound. The ingredients are homogeneously mixed with each other. A green body is formed of the mixed powder and sintered at a temperature of 1500.degree. to 2200.degree. C. in a non-oxidizing atmosphere containing nitrogen.

5. 发明授权

US5293509A Sintered body of aluminum nitride 失效
标题翻译：氮化铝烧结体
公开(公告)号：US5293509A
公开(公告)日：1994-03-08
申请号：US87927
申请日：1993-07-06
申请人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Koichi Sogabe
发明人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Koichi Sogabe
IPC分类号： C04B35/581 , H01L23/15 , H05K1/03 , H01L23/02
CPC分类号： C04B35/581 , H01L23/15 , H01L2924/0002 , H05K1/0306 , Y10S428/901
摘要： The present invention provides a sintered body of aluminum nitride comprising (i) aluminum nitride as a main component and (ii) at least one component selected from the group consisting of Zr, Hf, V, Nb, Ta, Cr, Mo, W, Fe, Co, Ni, Nd, Ho, Ti and compounds thereof in the total amounts of not greater than 1.0 wt. % and not less than 0.01 wt. % in terms of elements on the basis of sintered body, the sintered body being colored and having a thermal conductivity of at least 150 W/mK. The sintered body is useful for the preparation of circuit boards having printed circuits thereon and highly heat-releasing ceramic packages for semiconductive devices.
摘要翻译：本发明提供一种氮化铝烧结体，其包含（i）氮化铝作为主要成分，和（ii）选自Zr，Hf，V，Nb，Ta，Cr，Mo，W， Fe，Co，Ni，Nd，Ho，Ti及其化合物的总量不大于1.0wt。％且不小于0.01wt。基于烧结体的元素的％，烧结体着色并具有至少150W / mK的导热率。该烧结体可用于制备其上具有印刷电路的电路板和用于半导体器件的高度散热的陶瓷封装。

6. 发明授权

US5085923A Heat-conductive aluminum nitride sintered body and method of manufacturing the same 失效
标题翻译：热传导性氮化铝烧结体及其制造方法
公开(公告)号：US5085923A
公开(公告)日：1992-02-04
申请号：US686658
申请日：1991-04-17
申请人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Hisao Takeuchi , Koichi Sogabe , Akira Sasame
发明人： Akira Yamakawa , Masaya Miyake , Hitoyuki Sakanoue , Hisao Takeuchi , Koichi Sogabe , Akira Sasame
IPC分类号： C04B35/58 , C04B35/581 , H01L21/48 , H01L23/15 , H05K1/03
CPC分类号： H01L23/15 , C04B35/581 , C04B35/64 , C04B37/026 , H01L21/4807 , C04B2235/3208 , C04B2235/3224 , C04B2235/3225 , C04B2235/3229 , C04B2235/3865 , C04B2235/3895 , C04B2235/449 , C04B2235/5445 , C04B2235/6567 , C04B2235/6583 , C04B2235/721 , C04B2235/723 , C04B2235/761 , C04B2235/77 , C04B2235/85 , C04B2235/9607 , C04B2235/963 , C04B2237/122 , C04B2237/123 , C04B2237/366 , C04B2237/403 , C04B2237/407 , C04B2237/55 , C04B2237/72 , H01L2224/48091 , H01L24/48 , H01L2924/00014 , H01L2924/01014 , H01L2924/01019 , H01L2924/0102 , H01L2924/01021 , H01L2924/01039 , H01L2924/01046 , H01L2924/01057 , H01L2924/01063 , H01L2924/01067 , H01L2924/01068 , H01L2924/01078 , H01L2924/01079 , H01L2924/10253 , H01L2924/14 , H01L2924/15153 , H01L2924/15165 , H01L2924/16152 , H05K1/0306 , Y10S428/901 , Y10T428/24917
摘要： An aluminum nitride sintered body is mainly composed of aluminum nitride, contains 0.01 to 1.0 percent by weight of a rare earth element and 0.001 to 0.5 percent by weight of oxygen, and has thermal conductivity of at least 180 W/mK. According to a method of manufacturing such an aluminum nitride sintered body, aluminum nitride powder (201) is first prepared. At least one compound (203) containing a rare earth element is added to the aluminum nitride powder (201) to contain 0.01 to 1.0 percent by weight, in rare earth element conversion, of the compound, to be homogeneously mixed with each other. A formed body obtained by forming such mixed powder is sintered in a non-oxidizing atmosphere containing nitrogen at a temperature of 1500 to 2200.degree. C.

7. 发明授权

US5904993A Joint body of aluminum and silicon nitride and method of preparing the same 失效
标题翻译：铝和氮化硅接头体及其制备方法
公开(公告)号：US5904993A
公开(公告)日：1999-05-18
申请号：US648178
申请日：1996-05-21
申请人： Hisao Takeuchi , Koichi Sogabe , Takao Nishioka , Takashi Matsuura , Akira Yamakawa
发明人： Hisao Takeuchi , Koichi Sogabe , Takao Nishioka , Takashi Matsuura , Akira Yamakawa
IPC分类号： B23K20/00 , B23K20/02 , C04B37/02 , B23B15/04 , B22F7/00 , B23K1/19
CPC分类号： B23K20/023 , B23K2203/10 , Y10T428/12535 , Y10T428/12576 , Y10T428/31678
摘要： A joint body in which aluminum and silicon nitride are strongly joined with each other is provided at a low cost, thereby providing a lightweight part which is excellent in sliding property as a mechanical part of an internal combustion engine of an automobile or the like. The joint body includes a base material which is mainly composed of aluminum, and a member consisting of a silicon nitride sintered body which is substantially directly joined to the base material. A powdery or bulky base material (2) mainly composed of aluminum, and a member (1) consisting of a silicon nitride sintered body are charged in a mold and heated under pressurization, thereby joining the same with each other.
摘要翻译： PCT No.PCT / JP95 / 01870 Sec。 371日期：1996年5月21日 102（e）日期1996年5月21日PCT提交1995年9月20日PCT公布。公开号WO96 / 09266 日期：1996年3月28日以低成本提供铝和氮化硅彼此牢固地接合的接头体，从而提供作为汽车内燃机的机械部件的滑动性优异的轻质部件或类似物。接合体包括主要由铝构成的基材和由基本上直接接合到基材的氮化硅烧结体构成的部件。主要由铝构成的粉状或体积大的基材（2）和由氮化硅烧结体构成的部件（1）加入到模具中并在加压下加热，从而将它们彼此接合。

8. 发明授权

US5399536A Silicon nitride sintered body 失效
标题翻译：氮化硅烧结体
公开(公告)号：US5399536A
公开(公告)日：1995-03-21
申请号：US122186
申请日：1993-09-17
申请人： Akira Yamakawa , Koichi Sogabe
发明人： Akira Yamakawa , Koichi Sogabe
IPC分类号： C04B35/593 , H05K1/03 , C04B35/58
CPC分类号： C04B35/593 , H05K1/0306
摘要： A silicon nitride sintered body comprising 3.5% by weight or less of aluminum, 3.5% by weight or less of oxygen and the balance of silicon nitride; and a silicon nitride sintered body comprising 90% by weight or more of silicon nitride, 3.5% by weight or less of aluminum, 3.5% by weight or less of oxygen and from 0.01 to 10% by weight of at least one metallic element selected from the group consisting of Ti, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Fin, Fe, Co, Ni, Nd, and Ho. These sintered bodies have a density of 3.15 g/cm.sup.3 or more and a thermal conductivity of 40 W/mK or more.
摘要翻译：包含3.5重量％以下的铝，3.5重量％以下的氧和余量的氮化硅的氮化硅烧结体; 和氮化硅烧结体，其包含90重量％以上的氮化硅，3.5重量％以下的铝，3.5重量％以下的氧和0.01〜10重量％的至少一种选自以下的金属元素：由Ti，Zr，Hf，V，Nb，Ta，Cr，Mo，W，Fin，Fe，Co，Ni，Nd和Ho组成的组。这些烧结体的密度为3.15g / cm 3以上，导热率为40W / m·K以上。

9. 发明授权

US5356842A Composite ceramic powder and production process thereof 失效
标题翻译：复合陶瓷粉及其制备方法
公开(公告)号：US5356842A
公开(公告)日：1994-10-18
申请号：US33960
申请日：1993-03-19
申请人： Akira Yamakawa , Koichi Sogabe
发明人： Akira Yamakawa , Koichi Sogabe
IPC分类号： C04B35/581 , C04B35/52 , C04B35/02 , C04B35/58
CPC分类号： C04B35/581
摘要： This invention provides composite ceramic powder comprising matrix ceramic powder and fine particles of ceramic, metal or metal compound which are different from the matrix ceramic powder and dispersed in the matrix ceramic powder. The composite ceramic powder is produced by mixing matrix ceramic powder or its precursor with fine particles to be dispersed therein and then heating the resulting mixture. The composite ceramic powder is also produced by dispersing matrix ceramic particles or precursor thereof in an organic solvent with an organic compound as a dispersoid particle precursor and separating and recovering the organic solvent. The composite ceramic powder is suitable for producing sintered bodies having excellent properties, especially with respect to thermal conductivity, flexural strength and light transmittance, by a conventional ceramic fabrication process.
摘要翻译：本发明提供了包含基体陶瓷粉末和不同于基体陶瓷粉末并分散在基体陶瓷粉末中的陶瓷，金属或金属化合物的微粒的复合陶瓷粉末。复合陶瓷粉末通过将基质陶瓷粉末或其前体与分散在其中的细颗粒混合，然后加热所得混合物而制备。复合陶瓷粉末也是通过将基质陶瓷颗粒或其前体分散在有机化合物作为分散质颗粒前体并分离和回收有机溶剂而制备的。复合陶瓷粉末适用于通过常规陶瓷制造工艺生产具有优异性能的烧结体，特别是关于导热性，弯曲强度和透光率。

10. 发明授权

US5214005A Glass-aluminum nitride composite material 失效
标题翻译：玻璃 - 氮化铝复合材料
公开(公告)号：US5214005A
公开(公告)日：1993-05-25
申请号：US820550
申请日：1992-01-14
申请人： Akira Yamakawa , Koichi Sogabe
发明人： Akira Yamakawa , Koichi Sogabe
IPC分类号： C04B35/63 , C03C14/00 , C04B35/581 , C04B35/626 , C04B35/80 , H01L23/15
CPC分类号： H01L23/15 , C03C14/004 , C04B35/806 , C03C2214/04 , C03C2214/06 , H01L2924/0002 , H01L2924/09701
摘要： A glass-aluminum nitride composite comprising a sintered body is produced by adding glass powder to aluminum nitride grains having an oxygen content of less than 2% and a mean grain diameter of 1.0 .mu.m or more and subjecting the mixture to molding and sintering. A suitable glass is one based on borosilicate and the addition of an AlN whisker serves to improve the strength. The composite material of the present invention has a high heat conductivity, a low permittivity and a high strength and is suitable as a semiconductor packaging material.
摘要翻译：通过将玻璃粉末加入到氧含量小于2％，平均粒径为1.0μm以上的氮化铝颗粒中，并对该混合物进行成型和烧结来制造包含烧结体的玻璃 - 氮化铝复合体。合适的玻璃是基于硼硅酸盐的玻璃，并且添加AlN晶须用于提高强度。本发明的复合材料具有高导热性，低介电常数和高强度，并且适合作为半导体封装材料。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式