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    • 22. 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。
    • 29. 发明授权
    • 용탕의 회전 속도 측정 장치
    • 用于测量熔体旋转速度的装置
    • KR100839826B1
    • 2008-06-19
    • KR1020070024623
    • 2007-03-13
    • 한국과학기술연구원
    • 이덕영김기배유정석강석원
    • G01P3/488
    • G01P3/488B23K1/085G01R15/202G02B6/29389
    • An apparatus for measuring a rotating speed of a melt is provided to control fine texture of materials by electromagnetic stirring and to design the materials optimally by clearly checking the rheological property of the material. In an apparatus(1000) for measuring a rotating speed of a melt, an EMS(Electromagnetic Stirring Device)(100) stirs the melt contained in a crucible(50) by applying an electromagnetic field to the crucible. A hall voltage measuring instrument(200) contacts with the melt and measures a hall voltage signal generated from the melt. A frequency detection system(300) measures driving frequency of the EMS. A lock-in unit(400) restores only a signal of a frequency range measured in the frequency detection system, from voltage signals detected by the hall voltage measuring instrument.
    • 提供了一种用于测量熔体旋转速度的装置,以通过电磁搅拌来控制材料的细微结构,并通过清楚地检查材料的流变性能来最佳地设计材料。 在用于测量熔体旋转速度的装置(1000)中,EMS(电磁搅拌装置)(100)通过向坩埚施加电磁场来搅拌包含在坩埚(50)中的熔体。 霍尔电压测量仪(200)与熔体接触并测量熔体产生的霍尔电压信号。 频率检测系统(300)测量EMS的驾驶频率。 锁定单元(400)仅从由霍尔电压测量仪检测的电压信号恢复在频率检测系统中测量的频率范围的信号。