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    • 1. 发明授权
    • Mechanically reconfigurable vertical tester interface for IC probing
    • 用于IC探测的机械可重构垂直测试仪接口
    • US07659736B2
    • 2010-02-09
    • US11761912
    • 2007-06-12
    • Benjamin N. EldridgeBarbara VasquezMakarand S. ShindeGaetan L. MathieuA. Nicholas Sporck
    • Benjamin N. EldridgeBarbara VasquezMakarand S. ShindeGaetan L. MathieuA. Nicholas Sporck
    • G01R31/02
    • G01R31/2889G01R1/0416G01R1/07307
    • A wafer test assembly includes multiple probe head substrates arranged like tiles with connectors attached to one side and probes supported on the opposing side. In one embodiment, flexible cable connectors directly connect the connectors on the probe head tile to a test head, while in another embodiment the flexible cables connect the probe head tile to a PCB providing horizontal routing to test head connectors. In one embodiment, leveling pins provide a simplified support structure connecting to a retaining element attached to the tiles to provide for applying a push-pull leveling force. A test head connector interface frame enables rearrangement of connectors between the test head and the probe card to provide for both full wafer contact or partial wafer contact. The test head connectors are rearranged by being slidable on rails, or pluggable and unpluggable enabling movement over a range of positions.
    • 晶片测试组件包括多个探针头基底,其布置成瓦片,其中连接器连接到一侧,探针支撑在相对侧上。 在一个实施例中,柔性电缆连接器将探头头瓦片上的连接器直接连接到测试头,而在另一个实施例中,柔性电缆将探头头瓦片连接到PCB,从而向测试头连接器提供水平布线。 在一个实施例中,调平销提供连接到附接到瓦片的保持元件以提供施加推挽平整力的简化支撑结构。 测试头连接器接口框架能够重新布置测试头和探针卡之间的连接器,以提供完整的晶片接触或部分晶片接触。 测试头连接器通过在轨道上滑动来重新布置,或者可插拔和可拔出,使得能够在一定范围的位置上移动。