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    • 91. 发明申请
    • CONDUCTIVE TERMINAL WELDING METHOD AND CONDUCTIVE TERMINAL STRUCTURE
    • 导电终端焊接方法和导电终端结构
    • US20080102716A1
    • 2008-05-01
    • US11927027
    • 2007-10-29
    • Akihiko NishiokaTakeshi Yasuda
    • Akihiko NishiokaTakeshi Yasuda
    • H01R4/02B23K11/18
    • H01R43/0214H05K3/202H05K3/328
    • The invention provides a welding method by resistance welding capable of adequately increasing a welding strength between two conductive terminals each made of copper, and a conductive terminal structure obtained by the method. A first conductive terminal made of a tinned flat copper plate is molded such that a step portion is formed at a position spaced away from a tip end position of the first conductive terminal and a projection is formed at a tip end portion ranging from the tip end position to the step portion. A second conductive terminal made of the aforementioned copper plate and the first conductive terminal are molded such that a weld surface of the second conductive terminal has a size to cover an entire weld surface of the projection of the first conductive terminal. Simultaneously, the respective conductive terminals are molded such that the tip end portion of the first conductive terminal becomes substantially equal in sectional area to a weld portion of the second conductive terminal. These conductive terminals are brought into contact under pressure with electrodes equal in electrical characteristic to each other, and then electric current is fed to the electrodes. Thus, the projection of the first conductive terminal is melted into and is welded to the weld surface of the second conductive terminal.
    • 本发明提供一种能够充分提高由铜构成的两个导电端子之间的焊接强度的电阻焊接方法和通过该方法获得的导电端子结构的焊接方法。 由镀锡扁平铜板制成的第一导电端子被模制成在与第一导电端子的末端位置隔开的位置上形成台阶部分,并且在尖端部分形成突出部, 位置到台阶部分。 由上述铜板和第一导电端子制成的第二导电端子被模制成使得第二导电端子的焊接表面具有覆盖第一导电端子的突起的整个焊接表面的尺寸。 同时,各导电端子被模制成使得第一导电端子的末端部分与第二导电端子的焊接部分的截面面积基本相等。 这些导电端子在压力下与彼此具有电特性相等的电极接触,然后将电流馈送到电极。 因此,第一导电端子的突起熔化并焊接到第二导电端子的焊接表面。
    • 92. 发明授权
    • Hot diffusion welding method
    • 热扩散焊接法
    • US5330097A
    • 1994-07-19
    • US966170
    • 1993-01-25
    • Shinichiro Inoue
    • Shinichiro Inoue
    • B23K20/02B23K35/00B23K11/00B23K11/18B23K11/20
    • B23K20/023B23K35/007
    • A hot diffusion welding method wherein a first part generally made from a material different from a second part and the second part made from copper alloy are united with an insert material interposed between the joint faces thereof under a heated and pressurized condition. The insert material at the joint between the first and second parts is copper plating formed on the joint face of the first part made from the different material, so that the thermal conductivity between the two parts is improved to perform smooth resistance heating. This enables continuous welding operation without polishing the conductive surfaces of a pair of electrodes in order to eliminate oxides therefrom.When the insert material interposed between the joint faces of the two parts is a normal brazing filler metal, resistance heating is carried out with an even number of superposed bodies in each of which the second part, insert material, first part are superposed, the superposed bodies being assembled in such a manner that the respective second parts are brought into contact with each other. In this case, the first parts having a greater thermal capacity are in contact with the pair of electrodes, whereby polishing for eliminating oxides from the conductive surfaces of the electrodes is no longer necessary and continuous welding operation can be thus accomplished.
    • PCT No.PCT / JP91 / 00976 Sec。 371日期:1993年1月25日 102(e)日期1993年1月25日PCT提交1991年7月23日PCT公布。 出版物WO92 / 日本1992年2月6日。热扩散焊接方法,其中通常由不同于第二部分的材料制成的第一部分和由铜合金制成的第二部分与插入材料相结合,插入材料在其接合面之间加热和 加压条件。 在第一部分和第二部分之间的接合处的插入材料是在由不同材料制成的第一部分的接合面上形成的铜电镀,使得两部分之间的导热性得到改善以进行平滑的电阻加热。 这样可以实现连续焊接操作,而不会抛光一对电极的导电表面,以便从中消除氧化物。 当插入材料插入在两个部分的接合面之间是正常的钎料时,电阻加热是用偶数个重叠体进行的,其中第二部分,插入材料,第一部分重叠,重叠的 以使各个第二部分彼此接触的方式组装的主体。 在这种情况下,具有较大热容量的第一部分与一对电极接触,由此不再需要用于从电极的导电表面消除氧化物的抛光,从而可实现连续的焊接操作。
    • 95. 发明授权
    • Minimizing oxidation in positive displacement casting
    • 在正位移铸造中最小化氧化
    • US3908740A
    • 1975-09-30
    • US43516074
    • 1974-01-21
    • GOULD INC
    • SCHENK JR RAYMOND LKEIZER ALAN S
    • B23K11/00B23K11/18B23K11/30H01M2/22B23K3/04
    • H01M2/22B23K11/0006B23K11/002B23K11/18B23K11/3009
    • Methods and apparatus for positive displacement casting and/or for positive displacement bonding and, more particularly, for automatically forming, on a continuous, reproducible basis, fusion bonds devoid of structural, electrical and cosmetic defects between two or more workpieces by: 1) applying a flux to the elements to be bonded; 2) moving a heated electrode into the area to be bonded so as to uniformly heat and melt the portions of the workpieces to be bonded; while, at the same time, 3) displacing substantially all of the molten material from the area to be bonded into a storage area or reservoir surrounding the heated electrode where such molten material is maintained in its uniformly heated molten state, and 4) then retracting the electrode so as to permit the molten material to return to the cavity formed by the electrode in the workpieces where such molten material is allowed to cool and solidify, thus forming a flawless bond between the workpieces-thermal or fusion bonds are made in accordance with the methods of the invention and with the apparatus of the invention by a combination of 1) elevated temperature levels sufficient to melt the material to be bonded, and 2) displacement of the molten material; as contrasted with more conventional techniques and/or apparatus which combine elevated temperature levels and pressure.
    • 更具体地说,在连续可再现的基础上,通过以下方式在两个或更多个工件之间自动形成没有结构,电气和美观缺陷的熔接粘结的方法和装置:1)施加 对要结合的元素的通量; 2)将加热的电极移动到待粘合的区域中,以均匀加热和熔化待接合的工件的部分; 同时,3)将基本上所有的熔融材料从待接合的区域移动到围绕加热的电极的储存区域或储存器中,其中这种熔融材料保持在其均匀加热的熔融状态,并且4)然后缩回 所述电极使得熔融材料能够返回到由工件中的电极形成的空腔中,使得这种熔融材料被冷却和固化,从而在工件之间形成无瑕疵的接合 - 热或熔合键根据 本发明的方法和本发明的装置通过以下组合:1)足以熔化要结合的材料的升高的温度水平,以及2)熔融材料的移位; 与组合升高的温度水平和压力的更常规的技术和/或装置形成对比。