公开(公告)号：US06517602B2

公开(公告)日：2003-02-11

申请号：US09805366

申请日：2001-03-14

申请人： Koji Sato ,  Takeshi Kuboi ,  Masayoshi Date

发明人： Koji Sato ,  Takeshi Kuboi ,  Masayoshi Date

IPC分类号： B22F908

CPC分类号： C22C13/02 ,  B22F1/0048 ,  B22F9/06 ,  B22F2999/00 ,  B23K35/0244 ,  B23K35/262 ,  C22C13/00 ,  H05K3/3436 ,  H05K3/3463 ,  H05K3/3478 ,  H05K2203/041 ,  Y02P70/613 ,  Y10S75/953 ,  B22F2202/01

摘要： A solder ball having a diameter of 1.2 mm or less, a dispersion of a diameter distribution of 5% or less and sphericity of 0.95 or more, an area ratio of the maximum dendrite being 80% or less of a cross section including a center of the solder ball, comprises a first additional element of 0.5-8 mass % of Ag and/or 0.1-3 mass % of Cu, and 0.006-10 mass %, in total, of at least one second additional element selected from the group consisting of Bi, Ge, Ni, P, Mn, Au, Pd, Pt, S, In and Sb, the balance being substantially Sn. The solder ball is produced by a uniform droplet-spraying method comprising the steps of vibrating a melt of a solder alloy in a crucible under pressure to force the melt to drop through orifices of the crucible; permitting the melt dropping through the orifices to become spherical droplets in a non-oxidizing gas atmosphere; and rapidly solidifying them.

摘要翻译： 直径为1.2mm以下的焊球，直径分布为5％以下，球形度为0.95以上的分散体，最大枝晶的面积比为包含中心的截面的80％以下 所述焊球包含0.5〜8质量％的Ag和/或0.1〜3质量％的Cu的第一附加元素和0.006〜10质量％的至少一种第二附加元素，所述至少一种第二添加元素选自 的Bi，Ge，Ni，P，Mn，Au，Pd，Pt，S，In和Sb，余量基本上为Sn。 焊球通过均匀的液滴喷涂方法制造，包括以下步骤：在坩埚内在压力下振动焊料合金的熔体，迫使熔体通过坩埚的孔口落下; 允许在非氧化性气体气氛中通过孔口的熔体熔滴成球形液滴; 并迅速凝固。

公开(公告)号：US07017754B2

公开(公告)日：2006-03-28

申请号：US10300756

申请日：2002-11-21

申请人： Koji Sato ,  Takeshi Kuboi ,  Masashi Onomura

发明人： Koji Sato ,  Takeshi Kuboi ,  Masashi Onomura

IPC分类号： B07B1/22

CPC分类号： B07B1/4618 ,  B07B1/18 ,  B07B1/22

摘要： An apparatus for classifying fine balls having diameters of 1 mm or less into those having predetermined diameter ranges, comprising a feeder for supplying fine balls, at least one rotatable cylindrical sieve constituted by a plate with a thickness of 200 μm or less having circular holes and having a center axis inclined relative to a horizontal plane, and a container for receiving fine balls classified by subjecting the fine balls to falling from the cylindrical sieve, the fine balls being supplied from the feeder to an inlet of the rotating cylindrical sieve at its upper end, fine balls that have passed through the circular holes of the cylindrical sieve being subjected to falling to be recovered by the container, and fine balls that have not passed through the circular holes being withdrawn from an exit of the cylindrical sieve at its lower end.

摘要翻译： 一种用于将具有1mm以下直径的细小球分级为具有预定直径范围的细小球的装置，包括用于提供细球的供料器，至少一个由具有圆孔的厚度为200μm或更小的板构成的可旋转圆柱筛， 具有相对于水平面倾斜的中心轴线，以及容纳用于接收由圆珠筛落下的细球分级的细小球的容器，将细小球从供料器供给至旋转圆筒筛的入口上方 已经通过圆筒筛的圆形孔的细小球经受容器回收的圆形孔，并且未通过圆形孔的细小球在其下端从圆筒筛的出口排出 。

公开(公告)号：US06554166B2

公开(公告)日：2003-04-29

申请号：US09805587

申请日：2001-03-14

申请人： Koji Sato ,  Yasushi Ishimoto ,  Gaku Akishige ,  Noboru Hanai ,  Takeshi Kuboi

发明人： Koji Sato ,  Yasushi Ishimoto ,  Gaku Akishige ,  Noboru Hanai ,  Takeshi Kuboi

IPC分类号： B22D4108

CPC分类号： B22F9/08 ,  B22F2998/00 ,  B22F2999/00 ,  B22F2203/01 ,  B22F2202/01

摘要： An apparatus for producing fine metal balls comprising a crucible 3 for holding a metal melt and equipped with orifices 2 for ejecting the metal melt; a vibration rod 6 for giving vibration to the melt 1 held in the crucible 3; a vibrator 4 for giving vibration to the vibration rod 6; a means 5 for transmitting the vibration of the vibrator 4 to the vibration rod 6; and a chamber 7 in which melt droplets 9 ejected through the orifices 2 are solidified while dropping, the vibration-transmitting means 5 having one end in contact with the vibrator 4 and the other end abutting a support member 11 connected to the vibration rod 6; the vibration-transmitting means 5 having a cross section decreasing as it nears the support member 11.

公开(公告)号：US5997807A

公开(公告)日：1999-12-07

申请号：US914247

申请日：1997-08-19

申请人： Takeshi Kuboi

发明人： Takeshi Kuboi

IPC分类号： C22C38/00 ,  C22C38/08 ,  H01J29/07 ,  H01F1/04

CPC分类号： H01J29/07 ,  C22C38/08 ,  H01J2229/0733

摘要： A thin plate made of an Fe--Ni alloy for electronic parts, which has excellent softening property. The alloy consists essentially of, by weight, 32 to 40% Ni, not more than 0.1% Si, not more than 0.5% Mn and 5 to 50 ppm boron, and balance of Fe and unavoidable impurities. It comprises also trace elements which fulfill the following requirements: "S+O".ltoreq.150 ppm, Al.ltoreq.400 ppm, N.ltoreq.50 ppm, P.ltoreq.100 ppm, an element of IVa, Va and VIa Groups defined in the periodic table being not more than 2000 ppm in amount, and an atomic ratio of "B(atom. %)/N(atom. %)" being not less than 0.8, preferably more than 1.0. The invention also relates to a shadow mask made of the alloy and a cathode-ray tube comprising the shadow mask.

摘要翻译： 由电子部件用Fe-Ni合金制成的薄板，具有优异的软化性。 该合金基本上由以重量计32％至40％的Ni，不超过0.1％的Si，不超过0.5％的Mn和5至50ppm的硼以及余量的Fe和不可避免的杂质组成。 它还包括满足以下要求的微量元素：“S + O” 50ppm，P <= 100ppm，IVa，Va和 VIa在周期表中定义的基团的量不超过2000ppm，“B（原子％）/ N（原子％）”的原子比不小于0.8，优选大于1.0。 本发明还涉及由该合金制成的荫罩和一个包括荫罩的阴极射线管。