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    • 52. 发明申请
    • METHOD TO MONITOR THE LIFE OF THE CONTACT TIP IN GMAW-PULSE
    • 监测GMAW-PULSE中接触提示的生命的方法
    • US20140151349A1
    • 2014-06-05
    • US13690061
    • 2012-11-30
    • Tiejun Ma
    • Tiejun Ma
    • B23K31/00
    • B23K31/00B23K9/09B23K9/0956B23K9/123B23K9/1336
    • A method of monitoring and assessing contact tip useful life in a GMAW-pulse application. The pulse welding waveform includes current and voltage that periodically change between peaks and background. The welding current and voltage are measured on a series of repeated representative welds. The data that corresponds to the arc start and the arc stop of a weld is removed. The data is averaged for each representative weld, which corresponds to production of welded parts and/or usage of the contact tip. The deterioration of the contact tip is assessed based on one or more of (i) a decrease in the frequency of the peaks, (ii) an increase in the length of the background, and (iii) an increase in the occurrence of abnormal low voltage. The assessment is outputted as contact tip life data, and continuously fed to a controller or operator.
    • 一种在GMAW脉冲应用中监测和评估接触尖端使用寿命的方法。 脉冲焊波形包括在峰值和背景之间周期性变化的电流和电压。 焊接电流和电压在一系列重复的代表性焊缝上测量。 对应于焊缝的起弧和停弧的数据被去除。 对于每个有代表性的焊接,数据被平均化,这对应于焊接部件的生产和/或接触尖端的使用。 基于(i)峰的频率的降低,(ii)背景长度的增加,和(iii)异常低的发生的增加中的一个或多个来评估接触尖端的恶化 电压。 该评估作为接触端寿命数据输出,并连续馈送给控制器或操作者。
    • 54. 发明授权
    • Planar RF electromechanical switch
    • 平面RF机电开关
    • US08485417B1
    • 2013-07-16
    • US13470082
    • 2012-05-11
    • David T. ChangTsung-Yuan Hsu
    • David T. ChangTsung-Yuan Hsu
    • B23K31/00B23K31/02
    • H01H55/00
    • A micromachined switch is provided including a base substrate, a bond pad on the base substrate, a cantilever arm connected to the bond pad, the cantilever arm having a conductive via from the bond pad, a first actuation electrode on the base substrate, and a second actuation electrode on the cantilever arm connected to the bond pad by way of the conductive via, positioned such that an actuation voltage applied between the first actuation electrode and the second actuation electrode will deform the cantilever arm, wherein the first actuation electrode is facing a side of the cantilever arm opposite the second actuation electrode.
    • 提供一种微加工开关,包括基底基板,基底基板上的接合焊盘,连接到接合焊盘的悬臂,悬臂臂具有来自接合焊盘的导电通孔,基底基板上的第一致动电极和 悬臂上的第二致动电极通过导电通孔连接到接合焊盘,定位成使得施加在第一致动电极和第二致动电极之间的致动电压将使悬臂变形,其中第一致动电极面向 悬臂的一侧与第二致动电极相对。