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    • 55. 发明申请
    • C4NP Servo Controlled Solder Fill Head
    • C4NP伺服控制焊接头
    • US20090037016A1
    • 2009-02-05
    • US11830349
    • 2007-07-30
    • Timothy J. ChainerPeter A. GruberDennis G. Manzer
    • Timothy J. ChainerPeter A. GruberDennis G. Manzer
    • G06F19/00
    • B23K3/0623B23K2101/40H01L24/742H01L2224/11334H01L2924/01004H01L2924/01006H01L2924/01013H01L2924/01033H01L2924/01075H01L2924/01082H01L2924/14H01L2924/00
    • An apparatus for placing solder bumps on a mold plate includes: a solder fill head configured for dispensing molten solder onto the mold plate, the solder fill head also configured for relative movement over the mold plate; and a control mechanism configured for controlling positions of the solder fill head relative to the mold plate. The control mechanism includes: a control input signal containing data about an ideal positioning of the solder fill head; a plurality of sensors positioned on the solder fill head, the sensors configured for providing data about a gap between the solder fill head and the mold plate; a position controller configured for receiving the gap data and comparing the gap data with the control input signal, wherein said position controller provides an inequality signal if the gap data and the control input signal are not equal; an amplifier configured for receiving the inequality signal and amplifying it; and an actuator configured for receiving the amplified inequality signal and controlling movement of the solder fill head in response to the inequality signal received. The control mechanism may be a servo control mechanism. The sensors may be gap sensors.
    • 用于将焊料凸块放置在模板上的装置包括:焊料填充头,其被配置用于将熔融焊料分配到模板上,焊料填充头还构造成用于相对于模具板上的移动; 以及控制机构,被配置为控制焊料填充头相对于模板的位置。 控制机构包括:控制输入信号,其包含关于焊料填充头的理想定位的数据; 定位在焊料填充头上的多个传感器,所述传感器被配置为提供关于焊料填充头和模板之间的间隙的数据; 位置控制器,被配置为接收所述间隙数据并将所述间隙数据与所述控制输入信号进行比较,其中如果所述间隙数据和所述控制输入信号不相等,则所述位置控制器提供不等式信号; 放大器,被配置为接收不等式信号并对其进行放大; 以及致动器,被配置为接收放大的不等式信号,并响应于所接收的不等式信号控制焊料填充头的移动。 控制机构可以是伺服控制机构。 传感器可以是间隙传感器。