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1. 发明专利

JP2008028069A Substrate with externally bonded electrode, and method for manufacturing the same 审中-公开
标题翻译：具有外接电极的基板及其制造方法
公开(公告)号：JP2008028069A
公开(公告)日：2008-02-07
申请号：JP2006197825
申请日：2006-07-20
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： ANDO SETSUO , HIRAO NORIYOSHI , TANIGUCHI FUMITAKE
IPC分类号： H01L23/12 , H05K3/34
CPC分类号： H01L24/05 , H01L2224/04042 , H01L2224/45144 , H01L2224/4847 , H01L2924/01322 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide an economically bonded electrode having excellent bonding reliability and gold wire bonding property, and to provide an inexpensive substrate having excellent reliability that can be manufactured using the manufacturing method thereof. SOLUTION: The substrate with externally bonded electrode is provided with a base material 1 formed of ceramics or ferrite material, an external connecting electrode 3 formed to the base material, an underlayer 5 formed of a metal film mainly constituted with nickel or nickel alloy formed on the front surface of the external connecting electrode, an intermediate layer 6 formed of palladium or palladium alloy formed on the front surface of the underlayer, and a surface covering layer 7 formed of gold or gold alloy formed on the front surface of the intermediate layer. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供具有优异的接合可靠性和金线接合性能的经济接合的电极，并且提供可以使用其制造方法制造的具有优异的可靠性的便宜的基板。＆lt; P＆gt;解决方案：具有外部接合电极的基板设置有由陶瓷或铁氧体材料形成的基材1，形成在基材上的外部连接电极3，由主要由镍或镍构成的金属膜形成的底层5 形成在外部连接电极的前表面上的合金，形成在底层前表面上的由钯或钯合金形成的中间层6和由金或金合金形成的表面覆盖层7，形成在金或合金的前表面上中间层。版权所有（C）2008，JPO＆INPIT

2. 发明专利

JP2007318173A Multilayer ceramic substrate and its manufacturing method 审中-公开
标题翻译：多层陶瓷基板及其制造方法
公开(公告)号：JP2007318173A
公开(公告)日：2007-12-06
申请号：JP2007206714
申请日：2007-08-08
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKADA MIYAKO , UEDA ITARU , ITO HIROYUKI , TANIGUCHI FUMITAKE
IPC分类号： H05K3/46
摘要： PROBLEM TO BE SOLVED: To provide a multilayer ceramic substrate having such surface properties that poor plating or the like is reduced for an external electrode, and to provide a manufacturing method of a multilayer ceramic substrate suitable for attaining such surface properties. SOLUTION: An external electrode is formed on at least one side of an unburnt multilayer ceramic substrate 7 laminating green sheets 1a-1c for a substrate which can be burnt at a low temperature. A restriction layer principally comprising inorganic particles not sintered at the burning temperature of the unburnt multilayer ceramic substrate is provided tightly to both sides or one side of the unburnt multilayer ceramic substrate including the external electrode to form an integral laminate 10. After the integral laminate is burnt, the restriction layer is removed to manufacture a multilayer ceramic substrate 11. The surface roughness (arithmetic mean roughness Ra) of the external electrode is 0.1-6 μm after the restriction layer is removed. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种具有这样的表面性能的多层陶瓷基板，其对外部电极的电镀等减少，并且提供适于获得这种表面性能的多层陶瓷基板的制造方法。解决方案：在未烧结的多层陶瓷基板7的至少一侧上形成外部电极，层叠用于可在低温下燃烧的基板的生片1a-1c。在未烧结的多层陶瓷基板的燃烧温度下，主要包含未烧结的无机粒子的限制层紧密地设置在包含外部电极的未燃烧的多层陶瓷基板的两面或一侧，形成整体的叠层体10。烧制后，除去限制层以制造多层陶瓷基板11.除去限制层之后，外部电极的表面粗糙度（算术平均粗糙度Ra）为0.1-6μm。版权所有（C）2008，JPO＆INPIT

3. 发明专利

JP2001210539A R-T-B PERMANENT MAGNET AND ITS SURFACE TREATMENT METHOD 失效
公开(公告)号：JP2001210539A
公开(公告)日：2001-08-03
申请号：JP2000015368
申请日：2000-01-25
申请人： HITACHI METALS LTD
发明人： TANIGUCHI FUMITAKE
IPC分类号： H01F1/053 , C22C38/00 , C23C18/18 , C23F1/16 , C25D5/34 , H01F41/02
摘要： PROBLEM TO BE SOLVED: To provide an R-T-B permanent magnet and its surface treatment method, where satisfactory corrosion resistance is applied by improving the uniformity of adhesion between a metal coating and an R-T-B permanent magnet body, in comparison with the conventional uniformity, while keeping magnetic properties equivalent to conventional equivalence or higher. SOLUTION: This surface treatment method of the R-T-B permanent magnet is characterized in that the R-T-B permanent magnet body with the main phase of an R2T14B intermetallic compound (R is one kind or two kinds among of rare earth elements which includes Y, and T is Fe or Fe and Co) is subjected to plating pretreatment by a mixed acidic solution, comprising nitride 1-100 g/liter and nitric acid 0.05-10 vol.%, and is thereafter subjected to plating.

4. 发明专利

JP2007318174A Method for manufacturing multilayer ceramic substrate and multilayer ceramic substrate manufactured thereby 有权
标题翻译：制造多层陶瓷基板和制造多层陶瓷基板的方法
公开(公告)号：JP2007318174A
公开(公告)日：2007-12-06
申请号：JP2007206715
申请日：2007-08-08
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： NAKADA MIYAKO , UEDA ITARU , ITO HIROYUKI , TANIGUCHI FUMITAKE
IPC分类号： H05K3/46
摘要： PROBLEM TO BE SOLVED: To provide a multilayer ceramic substrate having such surface properties that poor plating or the like is reduced for an external electrode, and to provide a method for manufacturing a multilayer ceramic substrate suitable for attaining such surface properties.
SOLUTION: In a process for manufacturing a multilayer ceramic substrate, an unburnt multilayer ceramic substrate having a restriction layer for suppressing the contraction of the substrate surface is burnt and immersed into an etching liquid, and then the restriction layer is removed by performing ultrasonic cleaning in the etching liquid. Alternatively, an unburnt multilayer ceramic substrate having a restriction layer for suppressing the contraction of the substrate surface is burnt and immersed into the etching liquid, and then the restriction layer is removed by performing ultrasonic cleaning in the cleaning liquid.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有这样的表面性能的多层陶瓷基板，其对于外部电极减少了差的电镀等，并且提供了一种制造适合于获得这种表面性能的多层陶瓷基板的方法。解决方案：在制造多层陶瓷基板的方法中，将具有用于抑制基板表面的收缩的限制层的未燃烧的多层陶瓷基板烧焦并浸渍在蚀刻液中，然后通过执行在蚀刻液中进行超声波清洗。或者，将具有用于抑制基板表面的收缩的限制层的未燃烧的多层陶瓷基板燃烧并浸渍在蚀刻液中，然后通过在清洗液中进行超声波清洗除去限制层。版权所有（C）2008，JPO＆INPIT

5. 发明专利

JP2006196648A Electronic component having external junction electrode and manufacturing method thereof 审中-公开
标题翻译：具有外接电极的电子元件及其制造方法
公开(公告)号：JP2006196648A
公开(公告)日：2006-07-27
申请号：JP2005006202
申请日：2005-01-13
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： ANDO SETSUO , TANIGUCHI FUMITAKE
IPC分类号： H01L23/12
摘要： PROBLEM TO BE SOLVED: To provide a junction electrode having both of solder junction reliability and improved gold wire-bonding properties inexpensively, and to provide a reliable and low-cost electronic component manufactured using a method for manufacturing the junction electrode.
SOLUTION: The electronic component having the external junction electrode comprises a ceramic base; an external connection electrode section formed on the ceramic base; an underlayer made of a metal film mainly comprising nickel or a nickel alloy formed on the surface of the external connection electrode section; an intermediate layer comprising palladium or a palladium alloy formed on the surface of the underlayer; and a surface covering layer comprising gold or a gold alloy formed on the surface of the intermediate layer.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了提供具有廉价的焊点可靠性和改善的金线接合性能的接合电极，并且提供使用制造接合电极的方法制造的可靠且低成本的电子部件。解决方案：具有外部接合电极的电子部件包括陶瓷基体; 形成在陶瓷基体上的外部连接电极部; 由形成在外部连接电极部分的表面上的主要包含镍或镍合金的金属膜制成的底层; 包含形成在底层表面上的钯或钯合金的中间层; 以及在中间层的表面上形成的包含金或金合金的表面覆盖层。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JPH1197223A R-FE-B SINTERED PERMANENT MAGNET 失效
公开(公告)号：JPH1197223A
公开(公告)日：1999-04-09
申请号：JP27057097
申请日：1997-09-17
申请人： HITACHI METALS LTD
发明人： UCHIDA KIMIO , TAKAHASHI MASAHIRO , TANIGUCHI FUMITAKE , MIKAMOTO TSUKASA , SASAKI KENSUKE
IPC分类号： C22C38/00 , C22C38/12 , H01F1/053 , H01F1/08 , H01F10/32
摘要： PROBLEM TO BE SOLVED: To improve the bending strength and the temperature coefficient of a magnetic property while maintaining a high magnetic property by causing the crystal grains of the main phase of an R-Fe-B sintered permanent magnet of a predetermined composition to have a predetermined grain diameter distribution and by increasing the sintered density to a value greater than a predetermined value. SOLUTION: An R-Fe-B sintered permanent magnet is obtained, which is composed of 27.0 to 31.0 wt.% of R (at least one kind of rare earth elements including Y), 0.5 to 2.0 wt.% of B, 0.25 wt.% or lower of O, 0.15 wt.% or lower of C, and the balance of Fe, and in which the sum of the areas of the crystal grains in the main phase whose crystal grain diameter is 10 μm or lower with respect to the total area of the main phase is 80% or higher, and the sum of the areas of the crystal grains in the main phase whose grain diameter is 13 μm or higher is 10% or lower, and in which the sintered density is increased to 7.60 g/cm or higher. In this case, the amount of N in the sintered body is determined by controlling the concentration of introduced N2 gas in Ar gas during pulverization, and is set to 0.02 to 0.15%.

7. 发明专利

JPH0757913A PRODUCTION OF RARE EARTH PERMANENT MAGNET 失效
公开(公告)号：JPH0757913A
公开(公告)日：1995-03-03
申请号：JP19805693
申请日：1993-08-10
申请人： HITACHI METALS LTD
发明人： TANIGUCHI FUMITAKE , NOGUCHI MASAKO , KOJO KATSUHIKO
IPC分类号： B22F1/00 , C22C33/02 , H01F1/057 , H01F1/08
摘要： PURPOSE:To obtain an R-T-B based permanent magnet having high coersive force by mixing an R-T-B based alloy powder principally composed of R T B and an' R-T based alloy powder having low R eutectic ratio and low melting point. CONSTITUTION:In the method for producing an R-T-B based rare earth permanent magnet having main compositional phase, i.e. a main phase principally comprising an R T B based intermetallic compound (R represents one or more than one kind of rare earth element including Y, T represents one or more than one kind of transition metal) and an R rich phase, the R-T-B based alloy powder containing 95% or above of R T B based intermetallic compound in surface ratio admixed with 8-15wt.% of R-T-B based alloy powder containing 10% or less of R eutectic in surface ratio and then the mixture is molded and sintered to produce a rare earth permanent magnet. This method produces an R-T-B based permanent magnet having high coersive force iHc.

8. 发明专利

JPH06283318A MANUFACTURE OF RARE-EARTH PERMANENT MAGNET 失效
公开(公告)号：JPH06283318A
公开(公告)日：1994-10-07
申请号：JP6780393
申请日：1993-03-26
申请人： HITACHI METALS LTD
发明人： NOGUCHI MASAKO , TAKAHASHI MASAHIRO , TANIGUCHI FUMITAKE , KOJO KATSUHIKO , TANIGAWA SHIGEO
IPC分类号： C22C33/02 , C22C38/00 , H01F1/053 , H01F1/057 , H01F1/08
摘要： PURPOSE:To reduce the impurity phase of a main phase forming alloy so as to obtain high magnetic characteristics by mixing the powder of an R-T-B alloy composed mainly of R2T14B of an R-T-B permanent magnet with the powder of an R-T alloy containing a large amount of R and having a low melting point. CONSTITUTION:In the manufacturing method of an R-T-B rare-earth permanent magnet constituted mainly of a main phase composed mainly of an R2T14B intermetallic compound (R represents one or two or more kinds of rare-earth elements including Y and T represents one or two or more kinds of transition metals), the magnet is manufactured by mixing the powder of an R-T alloy containing >=45wt.% R in the powder of an R-T-B alloy containing 1.0-1.20wt.% B and 25-30wt.% R by 8-15wt.% and molding the mixture. Then the molded body is sintered.

9. 发明专利

JP2007318150A Method for manufacturing rare earth permanent magnet 有权
标题翻译：制造稀土永磁体的方法
公开(公告)号：JP2007318150A
公开(公告)日：2007-12-06
申请号：JP2007145476
申请日：2007-05-31
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： UCHIDA KIMIO , TAKAHASHI MASAHIRO , TANIGUCHI FUMITAKE
IPC分类号： H01F41/02 , B22F3/02 , B22F3/10 , B22F9/04 , C22C33/02 , C22C38/00 , H01F1/053 , H01F1/08
摘要： PROBLEM TO BE SOLVED: To provide a method of efficiently deoiling and sintering a rare earth permanent magnet compact formed by a wet forming method. SOLUTION: In the process of forming the rare earth permanent magnet, an R-Fe-B (R is not less than a kind of rare earth element including Y) base permanent magnet coarse powder is pulverized in the gas flow of N 2 or Ar that contains oxygen of ≤0.01%. Fine powder obtained is collected in a mineral oil belonging to the fourth second petroleum having inflammation point of ≥21°C and COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：提供一种有效地除湿和烧结通过湿法成型方法形成的稀土永磁体压块的方法。解决方案：在形成稀土永磁体的过程中，将R-Fe-B（R不小于包括Y的稀土元素的一种）基本永磁体粗粉末在N的气流中粉碎 2 或含有≤0.01％氧气的Ar。将获得的细粉末收集在属于第四石油的矿物油中，其具有按照防火规律定义的炎症点≥21℃和<70℃，或在合成油中直接制备一个原子压力的浆料不与大气接触。浆状原料在磁场中湿成型。将得到的压块引入脱醇室中并将室抽真空。停止排气，将惰性气体引入脱油室。在将引入的惰性气体混合的同时加热。此外，将除油室抽真空，并将该压块加热脱油。脱模成形体烧结。版权所有（C）2008，JPO＆INPIT

10. 发明专利

JP2006196647A Electronic component having external junction electrode and manufacturing method thereof 审中-公开
标题翻译：具有外接电极的电子元件及其制造方法
公开(公告)号：JP2006196647A
公开(公告)日：2006-07-27
申请号：JP2005006201
申请日：2005-01-13
申请人： Hitachi Metals Ltd , 日立金属株式会社
发明人： ANDO SETSUO , TANIGUCHI FUMITAKE
IPC分类号： H01L23/12 , H01L21/60
CPC分类号： H01L2924/0002 , H01L2924/00
摘要： PROBLEM TO BE SOLVED: To provide an electronic component having an external junction electrode that has both of solder junction reliability and improved gold wire bonding properties inexpensively, and to provide a method for manufacturing the electronic component.
SOLUTION: The electronic component having the external junction electrode comprises a ceramic base; an external connection electrode section formed on the ceramic base; an underlayer made of a metal film mainly comprising nickel or a nickel alloy formed on the surface of the external connection electrode section; and a surface covering layer mainly comprising silver or a silver alloy formed on the surface of the underlayer.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种具有外部接合电极的电子部件，该外部接合电极具有廉价地具有焊点可靠性和改善的金线接合性能两者，并且提供一种用于制造电子部件的方法。解决方案：具有外部接合电极的电子部件包括陶瓷基体; 形成在陶瓷基体上的外部连接电极部; 由形成在外部连接电极部分的表面上的主要包含镍或镍合金的金属膜制成的底层; 以及在底层的表面上形成的主要包含银或银合金的表面覆盖层。版权所有（C）2006，JPO＆NCIPI

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