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    • 3. 发明公开
    • 땜납분류장치 및 납땜방법
    • 焊接喷墨设备和焊接方法
    • KR1020010051376A
    • 2001-06-25
    • KR1020000064567
    • 2000-11-01
    • 파나소닉 주식회사
    • 코시마수오토도로키켄이치로오수기모토타다히코
    • B23K3/00
    • B23K1/085
    • PURPOSE: A solder jet apparatus is provided to produce a wave of molten solder having a stabilized height. CONSTITUTION: The circumferential wall part of each jet port in the first through third jet port arrays(32A-32C) of a solder wave forming plate is projected upward, and a groove(33) for introducing jetted solder in the down flow direction is made around the jet port. Since molten solder jetted from the jet ports in the third jet port array(32C) and the jet ports in the second jet port array(32B) do not flow downward quickly between the jet ports in the first jet port array(32A) to disturb the wave of molten solder jetted from the jet ports in the first jet port array(32A), a satisfactory stabilized wave can be obtained.
    • 目的:提供焊料喷射装置以产生具有稳定高度的熔融焊料波。 构成:将焊波形成板的第一至第三喷射口阵列(32A-32C)中的每个喷射口的圆周壁部向上方突出,并且形成用于沿向下流动方向引入喷射焊料的槽(33) 在喷气口周围。 由于从第三喷射口阵列(32C)中的喷射口喷射的熔融焊料和第二喷射口阵列(32B)中的喷射孔不会在第一喷射口阵列(32A)中的喷射口之间快速地向下流动,从而干扰 可以获得从第一喷射口阵列(32A)中的喷射口喷射的熔融焊料波,获得令人满意的稳定波。
    • 7. 发明公开
    • 땜납 분류장치 및 납땜방법
    • 焊接设备和焊接方法
    • KR1020010049424A
    • 2001-06-15
    • KR1020000028615
    • 2000-05-26
    • 파나소닉 주식회사
    • 코시마수오수기모토타다히코오노바야시타케시토도로키켄이치로우
    • H01L23/48
    • B23K3/0653
    • PURPOSE: A solder jet device is provided to prevent the occurrence of a wetting defect at the supply part of melted solder by arranging plural jet ports at every second pitch so that they follow plural inclined lines arranged at every first pitch and making the first pitch interval to be larger than the second pitch. CONSTITUTION: Multiple jet ports(52) are formed in a waveform forming board(51) fitted to the upper end part of a primary jet nozzle(1). The jet ports(52) are constituted of the three strings of a jet port(52A) on an upstream string with respect to the transportation direction(A) of a substrate(P), a jet port(52B) in an intermediate string and a jet port(52C) in a downstream string. The jet ports(52A,52B,52C) are inclined with respect, to the substrate transportation direction(A) by prescribed angles and are arranged, so that they follow plural inclined lines(L) arranged at every first pitch(X) with respect to a transportation orthogonal direction(B) orthogonal to the substrate transportation direction A. The first pitch interval(X) is set to be larger than a second pitch interval(Y).
    • 目的:提供一种焊料喷射装置,通过以每隔一个间距设置多个喷射口,以使它们跟随以每一个间距排列的多个倾斜线,并使第一间距间隔 大于第二节距。 构成:在安装在主喷嘴(1)的上端部的波形形成基板(51)上形成有多个喷射口(52)。 喷射口52由相对于基板(P)的输送方向(A)的上游线上的喷射口(52A),中间线中的喷射口(52B)和中间线 在下游串中的喷射口(52C)。 喷射口52A,52B,52C相对于基板输送方向(A)倾斜规定的角度,并且配置成使得它们跟随以每一个间距(X)排列的多个倾斜线(L),相对于 到与基板传送方向A正交的传送正交方向(B)。第一间距间隔(X)被设定为大于第二间距间隔(Y)。
    • 8. 发明公开
    • 납땜방법
    • 焊接方法
    • KR1020010015469A
    • 2001-02-26
    • KR1020000043834
    • 2000-07-28
    • 파나소닉 주식회사
    • 코시마수오토도로키켄이치로나카야마히로아키수기모토타다히코
    • B23K31/00
    • B23K31/02B23K2201/40H05K3/3463
    • PURPOSE: To strengthen junction strength by using solder containing a partial component in the component of a mounting face and a solder component at a high melting point as preliminary solder on the mounting face and soldering parts on a face to which preliminary solder is given with solder. CONSTITUTION: At the time of mounting a chip 5 on a printed wiring board 1, preliminary solder 6 which is mainly composed of Sn-Cu is given to the mounting face 2 of Cu. The melted solder 8 of Sn-Ag-Cu-Bi is given on the preliminary solder face 7 of preliminary solder 6. The chip 5 which is to be mounted is installed on the solder 8. On the side of the mounting face 2, Cu is formed of rich Sn-Cu. Thus, Sn is formed of rich Sn-Cu on the side of the solder 8 of preliminary solder 6. At a junction interface between the preliminary solder 6 of Sn-Cu and the solder 8 of Sn-Ag-Cu-Bi, Sn being a part of the component of solder 8 is adapted to rich Sn-Cu.
    • 目的:通过在安装面上使用含有部分成分的焊料和高熔点焊料成分的焊料作为安装面上的初步焊料,使用焊料给予初步焊料的面上的焊接部件,加强接合强度 。 构成:在将芯片5安装在印刷电路板1上时,主要由Sn-Cu构成的预备焊料6被提供给Cu的安装面2。 Sn-Ag-Cu-Bi的熔融焊料8在预焊料6的预备焊接面7上给出。要安装的芯片5安装在焊料8上。在安装面2侧,Cu 由富含Sn-Cu形成。 因此,Sn在预焊料6的焊料8侧形成有富Sn-Cu。在Sn-Cu的预备焊料6与Sn-Ag-Cu-Bi的焊料8之间的接合界面处,Sn为 焊料8的成分的一部分适用于富硒Sn-Cu。