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    • 36. 发明授权
    • Method of and an apparatus for processing a lead frame
    • 用于处理引线框架的方法和装置
    • US5372972A
    • 1994-12-13
    • US44625
    • 1993-04-09
    • Kazuyuki HayashiMasahiro Ishizuka
    • Kazuyuki HayashiMasahiro Ishizuka
    • H01L21/50H01L21/00H05K13/02H01L21/60
    • H01L21/67144H05K13/02Y10T29/49121Y10T29/53183
    • Improved transportation accuracy of a lead frame and reduced transportation time is attained. On the both sides of a heat block (1), rails (3a) equipped with a vertical drive mechanism are provided. By rotation of a screw shaft (7), a lead frame (4) is moved from front side to rear side of the heat block (1) along guide rails (3b) and the movable rails (3a) while holding the lead frame (4) by a clamp (5c) which has freedom of horizontal and vertical movements. During this transportation, a sensor (8) detects the position of the lead frame (4). A frame presser member (2) is mounted above the heat block (1) and equipped with a vertical drive mechanism for pressing the lead frame (4) against the heat block (1). The lead frame (4) is fed to a predetermined point by one motion of the clamp (5c) while firmly held by the clamp (5c) without frictionally contacting the heat block (1).
    • 提高引线架的运输精度,减少运输时间。 在散热块(1)的两侧设有配有垂直驱动机构的导轨(3a)。 通过螺杆轴(7)的旋转,引线框架(4)沿着导轨(3b)和可动导轨(3a)沿着加热块(1)的前侧到后侧移动,同时保持引线框架 4)通过具有水平和垂直运动自由度的夹具(5c)。 在该运输过程中,传感器(8)检测引线框架(4)的位置。 框架按压构件(2)安装在加热块(1)的上方,并具有用于将引线框架(4)压靠在加热块(1)上的垂直驱动机构。 引导框架(4)通过夹具(5c)的一次运动被馈送到预定点,同时由夹具(5c)牢固地保持,而不摩擦地接触热块(1)。