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    • 46. 发明授权
    • Method for testing semiconductor components
    • 半导体元件测试方法
    • US06208157B1
    • 2001-03-27
    • US09298769
    • 1999-04-23
    • Salman AkramDavid R. HembreeWarren M. FarnworthDerek GochnourAlan G. WoodJohn O. Jacobson
    • Salman AkramDavid R. HembreeWarren M. FarnworthDerek GochnourAlan G. WoodJohn O. Jacobson
    • G01R3102
    • G01R1/0466G01R1/0433G01R1/0483
    • A system and method for testing semiconductor components are provided. The system includes: a test board, sockets mounted to the test board in electrical communication with test circuitry, and carriers mounted to the sockets for housing the components. The carriers include bases, and interconnects mounted thereon, having contact members configured to make temporary electrical connections with contacts on the components. In addition, the contact members on the interconnects can be shaped to perform an alignment function, and to prevent excessive deformation of the contacts on the components. The sockets include camming members and electrical connectors configured to electrically contact the carriers with a zero insertion force. During a test procedure, the bases and interconnects can remain mounted to the sockets on the test board, as the components are aligned and placed in electrical contact with the interconnects. However, different bases and interconnects can be mounted to the sockets for testing different types of components.
    • 提供了一种用于测试半导体部件的系统和方法。 该系统包括:测试板,安装在与测试电路电气通信的测试板上的插座,以及安装在插座上用于容纳组件的载体。 载体包括底座和安装在其上的互连件,其具有被配置为与部件上的触点进行临时电连接的接触构件。 此外,互连上的接触构件可以成形为执行对准功能,并且防止部件上的触点的过度变形。 插座包括凸轮构件和被配置为以零插入力电接触托架的电连接器。 在测试过程中,基板和互连件可以保持安装到测试板上的插座上,因为组件对齐并放置成与互连件电接触。 然而,可以将不同的基座和互连件安装到插座以测试不同类型的部件。
    • 47. 发明授权
    • Method, apparatus and system for testing bumped semiconductor components
    • 用于测试碰撞半导体元件的方法,装置和系统
    • US6091252A
    • 2000-07-18
    • US312381
    • 1999-05-14
    • Salman AkramWarren M. FarnworthAlan G. WoodDavid R. Hembree
    • Salman AkramWarren M. FarnworthAlan G. WoodDavid R. Hembree
    • G01R1/04G01R1/067G01R1/073G01R31/28G01R1/06G01R31/26
    • G01R1/0466
    • A method, apparatus and system for establishing temporary electrical communication with semiconductor components having contact bumps are provided. The apparatus includes an interconnect having patterns of contact members adapted to electrically contact the contact bumps. Each contact member includes an array of one or more electrically conductive projections in electrical communication with an associated conductor. The projections form contact members for retaining individual contact bumps on the semiconductor components. The projections can be pillars having angled faces covered with a conductive layer. Alternately the projections can be a material deposited on the substrate, or can be microbumps formed on multi layered tape bonded to the substrate. The interconnect can be employed in a wafer level test system for testing dice contained on a wafer, or in a die level test system for testing bare bumped dice or bumped chip scale packages.
    • 提供了一种用于与具有接触凸块的半导体部件建立临时电连通的方法,装置和系统。 该装置包括具有适于电接触接触凸点的接触构件图案的互连。 每个接触构件包括与相关导体电连通的一个或多个导电突起的阵列。 突起形成接触构件,用于保持半导体部件上的各个接触凸块。 突起可以是具有覆盖有导电层的成角度表面的柱。 替代地,突起可以是沉积在基底上的材料,或者可以是在结合到基底的多层带上形成的微胶囊。 互连可以用于晶片级测试系统中,用于测试包含在晶片上的骰子,或者在用于测试裸露骰子或凸起的芯片级封装的芯片级测试系统中。
    • 48. 发明授权
    • Probe card for semiconductor wafers and method and system for testing
wafers
    • 半导体晶圆探针卡及晶圆测试方法及系统
    • US6060891A
    • 2000-05-09
    • US797719
    • 1997-02-11
    • David R. HembreeWarren M. FarnworthSalman AkramAlan G. WoodC. Patrick DohertyAndrew J. Krivy
    • David R. HembreeWarren M. FarnworthSalman AkramAlan G. WoodC. Patrick DohertyAndrew J. Krivy
    • G01R1/073G01R31/28
    • G01R1/073G01R31/2886
    • A probe card for testing semiconductor wafers, and a method and system for testing wafers using the probe card are provided. The probe card is configured for use with a conventional testing apparatus, such as a wafer probe handler, in electrical communication with test circuitry. The probe card includes an interconnect substrate having contact members for establishing electrical communication with contact locations on the wafer. The probe card also includes a membrane for physically and electrically connecting the interconnect substrate to the testing apparatus, and a compressible member for cushioning the pressure exerted on the interconnect substrate by the testing apparatus. The interconnect substrate can be formed of silicon with raised contact members having penetrating projections. Alternately the contact members can be formed as indentations for testing bumped wafers. The membrane can be similar to multi layered TAB tape including metal foil conductors attached to a flexible, electrically-insulating, elastomeric tape. The probe card can be configured to contact all of the dice on the wafer at the same time, so that test signals can be electronically applied to selected dice as required.
    • 提供了用于测试半导体晶片的探针卡,以及使用探针卡测试晶片的方法和系统。 探针卡被配置用于与测试电路电连通的常规测试装置,例如晶片探测器处理器。 探针卡包括具有用于与晶片上的接触位置建立电连通的接触构件的互连基板。 探针卡还包括用于将互连基板物理和电连接到测试装置的膜,以及用于缓冲由测试装置施加在互连基板上的压力的可压缩构件。 互连衬底可以由具有穿透突起的凸起接触构件的硅形成。 或者,接触构件可以形成为用于测试凸起的晶片的凹陷。 膜可以类似于多层TAB带,其包括附接到柔性,电绝缘的弹性体带的金属箔导体。 探针卡可以配置为同时接触晶片上的所有骰子,以便测试信号可以根据需要以电子方式应用于选定的骰子。