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    • 24. 发明授权
    • Solder powder, method for making the solder powder and solder paste
using the solder powder
    • 焊剂粉末,焊料粉末的制造方法和使用焊料粉末的焊膏
    • US5885369A
    • 1999-03-23
    • US911674
    • 1997-08-15
    • Kenzo HanawaTakayuki ArakiYoshinobu OkamuraYasuhiro Asano
    • Kenzo HanawaTakayuki ArakiYoshinobu OkamuraYasuhiro Asano
    • B23K35/22B22F1/02B23K35/02B23K35/14B23K35/26B23K35/36B23K35/363B23K35/40C07C55/14H05K3/34
    • B23K35/0244B23K35/3618B23K35/262B23K35/3613H05K3/3484Y10T428/2991
    • According to the present invention, the oxidation of the surface of solder particles is inhibited and the generation of solder balls in the reflow soldering process is inhibited. More specifically, the present invention protects the surface of the solder particles from oxidation during all steps, including the storage of a solder powder, formation of a paste from the solder powder, printing, transferring to a reflow oven and reflow soldering, to minimize the oxidation of the solder particles at these steps so that the generation of solder balls is minimized. In addition, the present invention provides a method for making the solder powder and a solder paste using the solder powder. The objective of the present invention is achieved by the solder powder, the particles of which have on the surface thereof an organometallic compound composed of adipic acid and a metal of the solder alloy. This solder powder is produced by reacting particles of the solder alloy powder with vaporized adipic acid. According to the present invention, the solder powder, the particles of which have on the surface thereof an adipic acid-derived organometallic compound combined chemically with the surface of the solder particles, is blended with a flux to be made into a paste.
    • 根据本发明,焊料颗粒表面的氧化被抑制,并且在回流焊接过程中产生焊球被抑制。 更具体地说,本发明在所有步骤中保护焊料颗粒的表面免于氧化,包括焊料粉末的存储,焊料粉末的形成,印刷,转移到回流炉和回流焊接,以最小化 在这些步骤中焊料颗粒的氧化使得焊球的产生最小化。 此外,本发明提供了使用焊料粉末制造焊料粉末和焊膏的方法。 本发明的目的是通过在其表面上具有由己二酸和焊料合金的金属组成的有机金属化合物的焊料粉末来实现的。 这种焊料粉末是通过将焊料合金粉末的颗粒与汽化的己二酸反应制备的。 根据本发明,其表面上具有与焊料颗粒的表面化学结合的己二酸衍生的有机金属化合物的焊料粉末与要制成糊料的助熔剂共混。
    • 25. 发明授权
    • Magnetic particles for perpendicular magnetic recording
    • 用于垂直磁记录的磁性颗粒
    • US5358660A
    • 1994-10-25
    • US915294
    • 1992-07-20
    • Takanori KidohKatsura ItoKenzo Hanawa
    • Takanori KidohKatsura ItoKenzo Hanawa
    • C04B35/26G11B5/706
    • G11B5/70678C04B35/265
    • Magnetic particles for perpendicular magnetic recording, which are hexagonal ferrite particles having a hexagonal platelet shape, and are represented by the formula MM'.sub.x M".sub.y Fe.sub.2x-y+2z O.sub.1+4x+3z (wherein M represents at least one element or a combination of elements selected from Ba, Sr, Ca and Pb; M' is at least one element or a combination of elements selected from Co, Zn and Mn; M" is at least one element or a combination of elements selected from Co, Ti, In, Zn, Mn, Ge, Nb, Zr, Ta, V and Sn, x is a number of z/4 to z, inclusive; y is a number of 0 to (x+z)/3, inclusive; and z is a number of 5.5 to 9.0, inclusive), and has an average particle size of from 0.01 to 0.3 .mu.m. The magnetic particles have a novel crystal structure different from both the magnetoplumbite structure and the spinel structure, even internally of the individual particles.
    • 用于垂直磁记录的磁性颗粒是六方晶系的六方晶系的粒子形状,由式MM'xM''yFe2x-y + 2zO1 + 4x + 3z表示(其中M表示至少一种元素或 选自Ba,Sr,Ca和Pb的元素; M'是选自Co,Zn和Mn中的至少一种元素或元素的组合; M“是至少一种元素或选自Co,Ti, In,Zn,Mn,Ge,Nb,Zr,Ta,V和Sn中的x是z / 4〜z的数量,y是0〜(x + z)/ 3的数, 是5.5〜9.0的数值),平均粒径为0.01〜0.3μm。 磁性颗粒具有与磁铅笔结构和尖晶石结构不同的新型晶体结构,甚至在单个颗粒的内部。
    • 27. 发明授权
    • Light emitting unit, light emitting module, and display device
    • 发光单元,发光模块和显示装置
    • US08378369B2
    • 2013-02-19
    • US13062152
    • 2009-09-01
    • Kenzo HanawaTakaharu HoshinaTomoyuki Takei
    • Kenzo HanawaTakaharu HoshinaTomoyuki Takei
    • H01L33/00F21V1/00
    • H01L33/46G02F1/133603H01L33/44H01L33/50H01L33/54H01L2224/45144H01L2224/48091H01L2924/00014H01L2924/00
    • A light emitting unit (60) is provided with a resin container (61) in which a recessed portion (61a) is formed, an anode lead portion (62) and a cathode lead portion (63) which are provided so as to be exposed on the bottom surface of the recessed portion (61a), a semiconductor light emitting element (64) attached to the cathode lead portion (63) on the bottom surface (70) of the recessed portion (61a), and a sealing resin (65) provided so as to cover the recessed portion (61a). The resin container (61) is produced from a white resin containing titania as a coloring agent. The anode lead portion (62) and the cathode lead portion (63) are each configured by forming a silver-plated layer with the gloss level set in the range of 0.3-1.0 inclusive on a metal plate based on a copper alloy or the like. Thus, the efficiency of extraction of light outputted from the light emitting unit is improved.
    • 发光单元(60)设置有形成有凹部(61a)的树脂容器(61),阳极引出部(62)和阴极引出部(63),被设置为露出 在凹部(61a)的底面上,在凹部(61a)的底面(70)上安装在阴极引出部(63)上的半导体发光元件(64)和密封树脂 )设置成覆盖凹部(61a)。 树脂容器(61)由含有二氧化钛作为着色剂的白色树脂制成。 阳极引线部分(62)和阴极引线部分(63)各自通过在基于铜合金等的金属板上形成光泽度设定在0.3-1.0范围内的镀银层 。 因此,提高了从发光单元输出的光的提取效率。