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    • 9. 发明授权
    • Floating interface for integrated circuit test head
    • 集成电路测试头浮动接口
    • US06377062B1
    • 2002-04-23
    • US09539361
    • 2000-03-31
    • Carlos RamosRichard WongSidney PengDavid CollinsDavid Baker
    • Carlos RamosRichard WongSidney PengDavid CollinsDavid Baker
    • G01R3102
    • G01R1/07378
    • A floating interface assembly provides signal paths between an integrated circuit (IC) test head and contact pads on a load board or probe card accessing an IC to be tested. Pogo pins or other contactors for contacting the contact pads are mounted on the interface assembly and linked to the test head by flexible conductors. The interface assembly is attached to the test head by springs to allow it the freedom to rotate to some extent about any axis. As the test head approaches the contact pads, alignment pins engage and orient the interface assembly so that its contactors will mate with the contact pads. As the contactors come into contact with the contact pads, the interface assembly adjusts the plane of the contactors so as to evenly distribute contact pressure over all contactor pads.
    • 浮动接口组件提供集成电路(IC)测试头和访问要测试的IC的负载板或探针卡上的接触焊盘之间的信号路径。 用于接触接触垫的Pogo引脚或其他接触器安装在接口组件上,并通过柔性导体连接到测试头。 接口组件通过弹簧连接到测试头,以允许其在任何轴线上自由旋转到某种程度。 当测试头靠近接触垫时,对准销接合和定向接口组件,使得其接触器将与接触垫配合。 当接触器与接触垫接触时,接口组件调节接触器的平面,以便在所有接触器垫上均匀分布接触压力。