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1.发明授权公开(公告)号：US07641727B2
公开(公告)日：2010-01-05
申请号：US10551367
申请日：2004-03-25
IPC分类号： C04B14/48
CPC分类号： C04B35/6264 , C04B35/4682 , C04B35/63 , C04B35/632 , C04B35/6342 , C04B35/63488 , C04B2235/3206 , C04B2235/3215 , C04B2235/3225 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3436 , H01G4/12 , H01G4/30
摘要： A production method of an electronic device comprising the steps of forming a stacked body by stacking green sheets and electrode layers having a predetermined pattern and firing the stacked body. Before forming the stacked body, a blank pattern layer is formed on a space portion of the electrode layer having a predetermined pattern. The electrode level difference absorbing print paste for forming the blank pattern layer includes at least ceramic powder and a binder resin, and a polymerization degree of the binder resin is made equal to or more than that of a binder resin included in slurry for forming the green sheet. The binder resin of the electrode level difference absorbing print paste includes polyvinyl butyral resin with a polymerization degree of 1400 or more, a butyralation degree of 64 to 74 mol % and an acetalization degree of 66 to 74 mol %.
摘要翻译： 一种电子设备的制造方法，其特征在于，包括以下步骤：通过堆叠具有预定图案的生片和电极层并烧结层叠体来形成层叠体。 在形成层叠体之前，在具有预定图案的电极层的空间部分上形成空白图形层。 用于形成坯料图案层的电极层差吸收印刷浆料至少包括陶瓷粉末和粘合剂树脂，并且使粘合剂树脂的聚合度等于或大于用于形成绿色的浆料中包含的粘合剂树脂的聚合度 片。 电极差吸收印刷浆料的粘合剂树脂包括聚合度为1400以上，缩醛化度为64〜74摩尔％，缩醛化度为66〜74摩尔％的聚乙烯醇缩丁醛树脂。
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2.发明申请Electrode step difference offsetting print paste and production method for electronic components 失效电极阶差补偿印刷膏和电子元器件的生产方法公开(公告)号：US20060191443A1
公开(公告)日：2006-08-31
申请号：US10551367
申请日：2004-03-25
CPC分类号： C04B35/6264 , C04B35/4682 , C04B35/63 , C04B35/632 , C04B35/6342 , C04B35/63488 , C04B2235/3206 , C04B2235/3215 , C04B2235/3225 , C04B2235/3236 , C04B2235/3239 , C04B2235/3241 , C04B2235/3436 , H01G4/12 , H01G4/30
摘要： A production method of an electronic device comprising the steps of forming a stacked body by stacking green sheets 10a and electrode layers 12a having a predetermined pattern and firing the stacked body. Before forming the stacked body, a blank pattern layer 24 having substantially the same thickness as that of the electrode layer is formed on a space portion of the electrode layer having a predetermined pattern. The electrode level difference absorbing print paste for forming the blank pattern layer 24 includes at least ceramic powder and a binder resin, and a polymerization degree of the binder resin included in the electrode level difference absorbing print paste is made equal to or more than that of a binder resin included in slurry for forming the green sheet. The binder resin of the electrode level difference absorbing print paste includes a polyvinyl butyral resin, a polymerization degree of the polyvinyl butyral resin is 1400 or more, a butyralation degree is 64 to 74 mol %, and an acetalization degree is 66 to 74 mol %.
摘要翻译： 一种电子器件的制造方法，其特征在于，包括以下步骤：通过堆叠生片10a和具有预定图案的电极层12a和堆叠体来形成层叠体。 在形成层叠体之前，在具有预定图案的电极层的空间部分上形成具有与电极层基本相同的厚度的空白图形层24。 用于形成坯料图案层24的电极高度差吸收印刷浆料至少包括陶瓷粉末和粘合剂树脂，并且使包含在电极差异吸收印刷浆料中的粘合剂树脂的聚合度等于或大于 包含在用于形成生片的浆料中的粘合剂树脂。 电极差吸收印刷浆料的粘合剂树脂包括聚乙烯醇缩丁醛树脂，聚乙烯醇缩丁醛树脂的聚合度为1400以上，缩丁缩醛化度为64〜74摩尔％，缩醛化度为66〜74摩尔％ 。
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公开(公告)号：US20060158826A1
公开(公告)日：2006-07-20
申请号：US10563592
申请日：2004-07-05
IPC分类号： H01G4/06
CPC分类号： H01G4/1227 , H01G4/30
摘要： A production method of a multilayer ceramic device is provided, by which, for example, a multilayer ceramic capacitor having a large capacity, wherein the interlayer thickness is made as thin as about 2.5 μm or thinner, can be produced at a high production yield without causing unsticking between layers and internal defects. In the present invention, when assuming that a first weight ratio (wt %) of the first organic binder component with respect to a first inorganic dielectric colorant powder in said green sheet slurry for forming a green sheet 10a is (A), and a second weight ratio (wt %) of the second organic binder component with respect to said second inorganic dielectric colorant powder in said electrode level difference absorbing dielectric paste for forming a dielectric blank pattern layer 24 is (B), the second weight ratio (B) is larger than the first weight ratio (A).
摘要翻译： 提供了一种多层陶瓷器件的制造方法，通过该方法，可以以高生产率生产例如具有大容量的多层陶瓷电容器，其中层间厚度薄至约2.5μm或更薄，而不产生 导致层之间脱层和内部缺陷。 在本发明中，如果假定第一有机粘合剂成分相对于第一无机介电着色剂粉末在第一种无机介质着色剂粉末中的第一重量比（wt％）在用于形成生片10a的生片浆料中为（A），并且 第二有机粘合剂成分相对于所述第二无机介电着色剂粉末在用于形成电介质毛坯图案层24的电极高度差异吸收电介质糊料中的第二重量比（wt％）为（B），第二重量比（B） 大于第一重量比（A）。
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公开(公告)号：US07638010B2
公开(公告)日：2009-12-29
申请号：US10563592
申请日：2004-07-05
CPC分类号： H01G4/1227 , H01G4/30
摘要： A production method of a multilayer ceramic device is provided, by which, for example, a multilayer ceramic capacitor having a large capacity, wherein the interlayer thickness is made as thin as about 2.5 μm or thinner, can be produced at a high production yield without causing unsticking between layers and internal defects. In the present invention, when assuming that a first weight ratio (wt %) of the first organic binder component with respect to a first inorganic dielectric colorant powder in said green sheet slurry for forming a green sheet 10a is (A), and a second weight ratio (wt %) of the second organic binder component with respect to said second inorganic dielectric colorant powder in said electrode level difference absorbing dielectric paste for forming a dielectric blank pattern layer 24 is (B), the second weight ratio (B) is larger than the first weight ratio (A).
摘要翻译： 提供了一种多层陶瓷器件的制造方法，通过该方法，可以以高生产率生产例如具有大容量的多层陶瓷电容器，其中层间厚度薄至约2.5μm或更薄，而不产生 导致层之间脱层和内部缺陷。 在本发明中，假设第一有机粘合剂成分相对于第一无机介电着色剂粉末在第一种无机介质着色剂粉末中的第一重量比（wt％）在用于形成生片10a的生片浆料中为（A），第二重量比 用于形成电介质毛坯图案层24的所述电极高度差吸收电介质糊料中的第二有机粘合剂组分相对于所述第二无机介电着色剂粉末的重量比（wt％）为（B），第二重量比（B）为 大于第一重量比（A）。
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公开(公告)号：US5221322A
公开(公告)日：1993-06-22
申请号：US856370
申请日：1992-03-23
申请人： Yasumichi Tokuoka , Jiro Yoshinari
发明人： Yasumichi Tokuoka , Jiro Yoshinari
CPC分类号： B22F9/28 , B22F9/12 , G11B5/70626 , H01F1/11
摘要： Ultrafine particles of Fe-Co-P material with a Fe/Co atomic ratio of from 95/5 to 70/30 and a (Fe+Co)/P atomic ratio of from 85/15 to 60/40 show improved ferromagnetic properties. The average particle size is from 0.005 to 0.1 .mu.m. Such ultrafine particles are prepared through gas phase reaction by evaporating a source material. They are useful in both magnetic and thermomagnetic recording media ensuring high density recording.
摘要翻译： Fe / Co原子比为95/5〜70/30，（Fe + Co）/ P原子比为85/15〜60/40的Fe-Co-P材料的超微粒子显示出改善的铁磁特性。 平均粒径为0.005〜0.1μm。 通过蒸发源材料通过气相反应制备这种超细颗粒。 它们在确保高密度记录的磁性和热磁记录介质中都是有用的。
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公开(公告)号：US4097313A
公开(公告)日：1978-05-27
申请号：US744116
申请日：1976-11-22
摘要： Ferromagnetic metal or alloy particles are prepared by reducing ferromagnetic metal ions in the solution with a reducing agent to obtain a slurry of ferromagnetic metal or alloy particles and separating the particles by attracting the particles on a magnetic drum which is rotated under contacting with the slurry, and washing the particles and separating the particles from the magnetic drum.
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公开(公告)号：US4010310A
公开(公告)日：1977-03-01
申请号：US597636
申请日：1975-07-21
申请人： Yuichi Kubota , Shinji Umeki , Yasumichi Tokuoka
发明人： Yuichi Kubota , Shinji Umeki , Yasumichi Tokuoka
CPC分类号： G11B5/70689 , G11B5/70615 , G11B5/70673 , G11B5/70694 , Y10S428/90
摘要： An improved magnetic powder characterized by high coercive force and high magnetic flux density which is formed by admixing a cobalt compound with a magnetic iron oxide, and adding to said admixture a complex forming agent which complexes with the cobalt compound to promote adsorption of cobalt onto the surface of the magnetic iron oxide.
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公开(公告)号：US3953656A
公开(公告)日：1976-04-27
申请号：US446740
申请日：1974-02-28
申请人： Yasumichi Tokuoka , Shinji Umeki , Yuichi Kubota
发明人： Yasumichi Tokuoka , Shinji Umeki , Yuichi Kubota
CPC分类号： G11B5/70694 , G11B5/84 , Y10S428/90
摘要： The magnetic recording medium having a magnetic recording layer containing magnetic iron oxide having a cobalt content of 0.5 - 10 wt.% and a ratio of Fe.sup.2.sup.+ /Fe.sup.3.sup.+ of 0.1 - 0.35; wherein the half-value width of the differential curve of the residual magnetization curve is less than 60% of the half-value width of the differential curve of the residual magnetization curve of non-treated magnetic recording layer.
摘要翻译： 该磁记录介质具有含有钴含量为0.5-10重量％，Fe2 + / Fe3 +的比例为0.1-0.35的磁性氧化铁的磁记录层; 其中残余磁化曲线的微分曲线的半值宽度小于未处理磁记录层的剩余磁化曲线的微分曲线的半值宽度的60％。
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公开(公告)号：US4663246A
公开(公告)日：1987-05-05
申请号：US617535
申请日：1984-06-05
IPC分类号： C09D5/23 , C09D7/12 , G11B5/70 , G11B5/73 , G11B5/735 , G11B5/84 , G11B5/842 , G11B5/72 , B32B3/00
CPC分类号： G11B5/70 , G11B5/7305 , G11B5/842 , Y10S428/90 , Y10T428/256 , Y10T428/257
摘要： A magnetic recording medium having a magnetic coating containing therein ferromagnetic metal powder provided on a base film, wherein the magnetic recording medium being characterized in that the surface roughness of the magnetic coating, i.e., the surface roughness R.sub.rms (a unit of measurement of .mu.m) with respect to a waveform having a wavelength P in a range of from 3 to 50 .mu.m out of groups of waveforms constituting the cross-sectional waveform of the surface of the magentic coating, satisfies the following equation:R.sub.rms .ltoreq.7.5.times.10.sup.-4 P+7.5.times.10.sup.-3where 3.ltoreq.P.ltoreq.50 .mu.m.
摘要翻译： 一种具有磁性涂层的磁记录介质，其中含有设置在基膜上的强磁性金属粉末，其中所述磁记录介质的特征在于，所述磁性涂层的表面粗糙度，即表面粗糙度R rms（测量单位为μm ）相对于构成磁性涂层表面的横截面波形的波形组中的波长为3〜50μm的波形的波形满足下式：Rrms <= 7.5×10 -4P + 7.5×10 -3，其中3≤P≤50μm。
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公开(公告)号：US4348430A
公开(公告)日：1982-09-07
申请号：US210801
申请日：1980-11-26
IPC分类号： B22F9/22 , C01G49/00 , C01G49/02 , C09D5/23 , C09D7/12 , G11B5/706 , H01F1/06 , H01F1/11 , B05D7/00
CPC分类号： G11B5/70657
摘要： A process for producing magnetic particles for a magnetic recording medium from an acicular goethite as a starting material comprises a step of growing a Si-component-containing goethite as an outer layer.
摘要翻译： 从针状针铁矿作为起始材料制造用于磁记录介质的磁性颗粒的方法包括使含Si组分的针铁矿生长为外层的步骤。
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