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    • 1. 发明授权
    • Method and apparatus for accelerated determination of electromigration characteristics of semiconductor wiring
    • 用于加速确定半导体布线的电迁移特性的方法和装置
    • US06603321B2
    • 2003-08-05
    • US09999719
    • 2001-10-26
    • Ronald G. Filippi, Jr.Alvin W. StrongTimothy D. SullivanDeborah TibelMichael RuprechtCarole Graas
    • Ronald G. Filippi, Jr.Alvin W. StrongTimothy D. SullivanDeborah TibelMichael RuprechtCarole Graas
    • G01R3126
    • H01L22/34G01R31/2858H01L2924/0002H01L2924/3011H01L2924/00
    • A method for determining the electromigration characteristics of a wiring structure in an integrated circuit device is disclosed. In an exemplary embodiment of the invention, the method includes configuring a defined test structure type for the integrated circuit device. The defined test structure type further includes a first line of wiring primarily disposed in a principal plane of a semiconductor substrate, and a second line of wiring connected to the first line of wiring. The second line of wiring is disposed in a secondary plane which is substantially parallel to the principal plane, with the first and second lines of wiring being connected by a via structure therebetween. A thermal coefficient of resistance for the first line of wiring and the via structure is determined, and a wafer-level stress condition is introduced in a first individual test structure of the defined test structure type. Then, at least one parameter value for is determined for the first individual test structure, which parameter value is used to predict a lifetime projection for the wiring structure in the integrated circuit device.
    • 公开了一种用于确定集成电路器件中的布线结构的电迁移特性的方法。 在本发明的示例性实施例中,该方法包括配置用于集成电路器件的定义的测试结构类型。 所确定的测试结构类型还包括主要布置在半导体衬底的主平面中的第一布线和连接到第一布线的第二布线。 布线的第二线设置在基本上平行于主平面的二次平面中,其中第一和第二布线通过它们之间的通孔结构连接。 确定第一线路和通孔结构的电阻的热系数,并且在限定的测试结构类型的第一单独测试结构中引入晶片级应力条件。 然后,对于第一单独测试结构确定至少一个参数值,哪个参数值用于预测集成电路器件中的布线结构的寿命投影。
    • 2. 发明授权
    • Thermo-mechanical cleavable structure
    • 热机械可切割结构
    • US08018017B2
    • 2011-09-13
    • US10905905
    • 2005-01-26
    • Fen ChenCathryn J. ChristiansenRichard S. KontraTom C. LeeAlvin W. StrongTimothy D. SullivanJoseph E. Therrien
    • Fen ChenCathryn J. ChristiansenRichard S. KontraTom C. LeeAlvin W. StrongTimothy D. SullivanJoseph E. Therrien
    • H01L31/058
    • H01L23/5256H01L2924/0002H01L2924/00
    • A thermo-mechanical cleavable structure is provided and may be used as a programmable fuse for integrated circuits. As applied to a programmable fuse, the thermo-mechanical cleavable structure includes an electrically conductive cleavable layer adjacent to a thermo-mechanical stressor. As electricity is passed through the cleavable layer, the cleavable layer and the thermo-mechanical stressor are heated and gas evolves from the thermo-mechanical stressor. The gas locally insulates the thermo-mechanical stressor, causing local melting adjacent to the bubbles in the thermo-mechanical stressor and the cleavable structure forming cleaving sites. The melting also interrupts the current flow through the cleavable structure so the cleavable structure cools and contracts. The thermo-mechanical stressor also contracts due to a phase change caused by the evolution of gas therefrom. As the thermo-mechanical cleavable structure cools, the cleaving sites expand causing gaps to be permanently formed therein.
    • 提供了一种热机械可切割结构,可用作集成电路的可编程保险丝。 如应用于可编程保险丝,热机械可切割结构包括与热机械应力源相邻的导电可切割层。 当电通过可切割层时,可切割层和热机械应力器被加热并且气体从热机械应力源逸出。 气体将热机械应力局部绝缘,导致邻近热机械应力的气泡局部熔化,形成裂开位置的可切割结构。 熔化还中断当前通过可切割结构的流动,因此可切割结构冷却和收缩。 热机械应力还由于由其产生的气体引起的相变而收缩。 当热机械可裂解结构冷却时,裂解位置膨胀,导致间隙永久形成。