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    • 38. 发明授权
    • Void formation monitoring in a damascene process
    • 大马士革过程中的空洞形成监测
    • US06964874B2
    • 2005-11-15
    • US10259037
    • 2002-09-27
    • Thomas WernerPeter HüblerFrank Koschinsky
    • Thomas WernerPeter HüblerFrank Koschinsky
    • H01L21/288H01L21/768H01L23/544H01L21/66
    • H01L22/34H01L21/2885H01L21/76807H01L21/76877H01L2924/0002H01L2924/00
    • The invention provides a technique of monitoring the void formation in a damascene interconnection process. According to the invention, a test structure is provided that includes at least two damascene structures that have at least one different cross-sectional geometric parameter. To monitor the void formation, the test structure is cut to expose a cross-sectional view to the damascene structures. The cross-sectional view is then inspected and the void formation is investigated in each of the damascene structures. The invention is particularly applicable to multi-level copper-based dual-damascene interconnection processes to monitor the voiding at the interface between barrier layers and bottom metal trenches. The invention allows monitoring of the void formation by locating only one structure on the chip and performing only one cut.
    • 本发明提供了一种在大马士革互连过程中监测空隙形成的技术。 根据本发明,提供一种测试结构,其包括具有至少一个不同横截面几何参数的至少两个镶嵌结构。 为了监测空隙形成,切割测试结构以露出​​镶嵌结构的横截面视图。 然后检查横截面图,并在每个镶嵌结构中研究空隙形成。 本发明特别适用于多级铜基双镶嵌互连工艺,以监测阻挡层和底部金属沟槽之间界面处的空隙。 本发明允许通过仅在芯片上定位一个结构并且仅执行一个切割来监视空隙形成。
    • 40. 发明授权
    • Plug connector
    • 插头连接器
    • US5795173A
    • 1998-08-18
    • US721473
    • 1996-09-27
    • Thomas WernerMarkus MornhinwegAndreas WeberBurkhard Lutterbeck
    • Thomas WernerMarkus MornhinwegAndreas WeberBurkhard Lutterbeck
    • H01R13/502H01R13/52H01R13/621H01R13/625H01R13/639H01R13/66
    • H01R13/625H01R13/5205
    • A plug connector is provided, in particular for the connection of measuring instruments, which is to be connected to a plug having three flat elongated contact pins, a flat elongated protective contact pin and a threaded hole arranged in its center. The plug connector has a low maximum cross-sectional area and a high tightness. The plug connector has a housing (1) partly forming a cone (11), a hollow cylinder (12) which is molded onto the cone (11) on the side facing away from the plug and has an external thread (121), a nut (5) screwed onto the hollow cylinder (12), and a sealing element (4) which completely fills the hollow cylinder (12) and the nut (5). A four-way cable (3) penetrates the nut (5) and the sealing element (4) in the axial direction. A groove (14) is arranged on the side of the housing (1) facing toward the plug to accommodate a seal (6) and a ring (15) is molded on the cone (11) on the side facing toward the plug and encloses the plug coaxially at the end. A contact insert (2) is arranged in the housing (1), in which four flat contact clamps, to which the ways of the cable (3) are connected, are arranged in a countersunk fashion. The contact insert has a central axial hole (27) in which a screw (7) for securing the plug connector on the plug is captively arranged, and which is fixed nonrotably in the housing (1) by a bayonet closure and a locking tab (17) arranged in the housing (1) and can be detached only by a tool.
    • 提供了插头连接器,特别是用于连接测量仪器的连接器,该测量仪器将连接到具有三个扁平细长触针的插头,平的细长保护触针和布置在其中心的螺纹孔。 插头连接器具有低的最大横截面积和高密封性。 插头连接器具有部分地形成锥体(11)的壳体(1),在远离插头的一侧模制在锥体(11)上的中空圆柱体(12),并具有外螺纹(121), 螺母(5)拧入中空圆筒(12)上,密封元件(4)完全填充中空圆筒(12)和螺母(5)。 四通电缆(3)沿轴向穿透螺母(5)和密封元件(4)。 在壳体(1)的面向插头的侧面上布置有凹槽(14)以容纳密封件(6),并且在锥体(11)上在朝向插塞的一侧上模制环(15),并且包围 插头同轴在最后。 接触插入件(2)布置在壳体(1)中,其中连接有电缆(3)的方式的四个平坦接触夹具以沉没方式布置。 接触插入件具有中心轴向孔(27),其中用于将插头连接器固定在插头上的螺钉(7)被固定地布置,并且通过卡口闭合件和锁定突出部(1)固定在壳体(1)中, 17)布置在壳体(1)中,并且可以仅由工具分离。