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13 条记录 (耗时 0.014 秒)

    Apparatus for supplying uniform tail lengths
    1.
    发明授权
    Apparatus for supplying uniform tail lengths 失效
    用于提供均匀尾巴长度的装置

    公开(公告)号：US4771930A

    公开(公告)日：1988-09-20

    申请号：US879939

    申请日：1986-06-30

    申请人： Gary S. Gillotti ,  David A. Leonhardt

    发明人： Gary S. Gillotti ,  David A. Leonhardt

    IPC分类号： B23K20/00 ,  H01L21/00 ,  B23K37/00

    CPC分类号： H01L24/85 ,  B23K20/005 ,  H01L24/78 ,  H01L2224/48472 ,  H01L2224/78302 ,  H01L2224/78313 ,  H01L2224/78318 ,  H01L2224/786 ,  H01L2224/851 ,  H01L2224/85205 ,  H01L2224/859 ,  H01L2924/00014 ,  H01L2924/01027 ,  H01L2924/01033 ,  H01L2924/01065 ,  H01L2924/01082

    摘要： A novel and improved monitoring and detecting circuit is provided for an automatic wedge wire bonder. The detecting circuit is initiated at the second wire bond while the bonding tool is pressing the bonding wire on the pad or electrode. If the fine wire is missing under the working face of the bonding tool, the sensing circuit initiates a signal which is detected by control means so as to initiate an interrupt signal stopping the operation of the wire bonder. Sensing of the presence or absence of a wire under the bonding wedge at a bond may take place at a first or a second wire bond. At the second wire bond, the novel sensing and detecting circuit is actuated to determine the amount of longation that takes place in the bonding wire between the bonding wedge and the wire clamps so as to correct the movement of the wire clamps when supplying a tail under the working face of the bonding tool and to ensure that a uniform tail length is supplied unaffected by the elongation of the bonding wire.

    摘要翻译： 为自动楔形丝焊机提供了一种新颖且改进的监控和检测电路。 检测电路在第二线接合时启动，而接合工具将焊接线焊接在焊盘或电极上。 如果在焊接工具的工作面下缺少细线，则感测电路启动由控制装置检测到的信号，以便启动中断信号来停止引线接合器的操作。 可以在第一或第二引线接合处发生在键合处的接合楔下存在或不存在电线的情况。 在第二引线接合时，启动新的感测和检测电路以确定在接合楔和线夹之间的接合线中发生的长度的量，以便在提供尾部时修正线夹的移动 焊接工具的工作面，并且确保提供均匀的尾部长度，而不受接合线的伸长的影响。

    Automatic wire feed system
    2.
    发明授权
    Automatic wire feed system 失效
    自动送丝系统

    公开(公告)号：US4763826A

    公开(公告)日：1988-08-16

    申请号：US862988

    申请日：1986-05-14

    申请人： Frederick W. Kulicke, Jr. ,  David A. Leonhardt ,  Robert B. Newsome ,  Richard D. Sadler ,  Gary S. Gillotti

    发明人： Frederick W. Kulicke, Jr. ,  David A. Leonhardt ,  Robert B. Newsome ,  Richard D. Sadler ,  Gary S. Gillotti

    IPC分类号： B23K20/00 ,  B23K37/00

    CPC分类号： H01L24/78 ,  B23K20/005 ,  H01L2224/78313 ,  H01L2224/786 ,  H01L2224/851 ,  H01L2924/00014 ,  H01L2924/01023 ,  H01L2924/01033 ,  H01L2924/01082

    摘要： An improved automatic wire feed system for supplying a fine wire to a capillary bonding tool or to a wedge bonding tool is provided. The wire feed system includes a novel wire feed slack loop device which is mounted on the wire bonder between the bonding tool and the source of fine wire. The novel wire feed slack loop device comprises a pair of sector plates which are closely spaced apart from each other to provide an air space therebetween for receiving the fine wire. Compressed air is supplied to the air space between the sector plates and is directed radially outward by a diffuser shim plate which forces the wire to form into a uniform circular shape in the air space. Sensor means are provided at the outer perimeter of the sector plates which sense the position of the fine wire and supplies a signal to control means which turns off the rotation of the drive motor. Turning off the gas provides a slack wire loop with sufficient fine wire to make an interconnection on a semiconductor device without creating tension or compression of the wire at the bonding tool.

    摘要翻译： 提供了一种用于将细线供应到毛细管接合工具或楔形接合工具的改进的自动送丝系统。 送丝系统包括一种新颖的送丝松弛环装置，其安装在接合工具和细丝源之间的接线机上。 新颖的送丝松弛环装置包括彼此紧密间隔开的一对扇形板，以在其间提供用于接收细线的空气空间。 压缩空气被供给到扇形板之间的空气空间，并且通过扩散器垫片径向向外指向，该扩散板垫板迫使电线在空气空间中形成均匀的圆形形状。 传感器装置设置在扇形板的外周边，感测细线的位置，并将信号提供给控制装置，该控制装置关闭驱动电动机的旋转。 关闭气体提供具有足够细线的松弛线环，以在半导体器件上形成互连，而不会在焊接工具处产生电线的张力或压缩。