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    • 8. 发明授权
    • Carrier for test, burn-in, and first level packaging
    • 用于测试,老化和一级包装的载体
    • US07132841B1
    • 2006-11-07
    • US09588617
    • 2000-06-06
    • Claude L. BertinWayne F. EllisMark W. KelloggWilliam R. TontiJerzy M. ZalesinskiJames M. LeasWayne J. Howell
    • Claude L. BertinWayne F. EllisMark W. KelloggWilliam R. TontiJerzy M. ZalesinskiJames M. LeasWayne J. Howell
    • G01R31/26G01R31/28
    • G01R31/2867G11C5/04G11C29/06G11C29/1201G11C29/48G11C29/56016G11C29/785G11C2029/2602G11C2029/5602H01L22/22H01L22/32H01L2924/0002H01L2924/00
    • A plurality of semiconductor devices are provided on a carrier for testing or burning-in. The carrier is then cut up to provide single chip-on-carrier components or multi-chip-on-carrier components. The carrier is used as a first level package for each chip. Thus, the carrier serves a dual purpose for test and burn-in and for packaging. A lead reduction mechanism, such as a built-in self-test engine, can be provided on each chip or on the carrier and is connected to contacts of the carrier for the testing and burn-in steps. The final package after cutting includes at least one known good die and may include an array of chips on the carrier, such as a SIMM or a DIMM. The final package can also be a stack of chips each mounted on a separate carrier. The carriers of the stack are connected to each other through a substrate mounted along a side face of the stack that is electrically connected to a line of pads along an edge of each carrier. The carrier is formed of a flex material. It can also be formed of printed circuit board material. A window in the flex permits invoking redundancy on each chip after burn-in is complete, significantly improving yield as compared with present schemes that do not permit repair after burn-in.
    • 在载体上提供多个半导体器件用于测试或烧录。 然后将载体切割以提供单个芯片上载波部件或多芯片载波部件。 载体用作每个芯片的第一级封装。 因此,载体用于测试和烧录和包装的双重目的。 可以在每个芯片或载体上提供诸如内置自检引擎的引线减少机构,并且连接到载体的触点用于测试和老化步骤。 切割后的最终包装包括至少一个已知的良好的模具,并且可以包括载体上的芯片阵列,例如SIMM或DIMM。 最终的包装也可以是一堆芯片,每个芯片都安装在单独的载体上。 堆叠的载体通过沿着堆叠的侧面安装的基板彼此连接,该基板沿着每个载体的边缘电连接到焊盘一排。 载体由柔性材料形成。 它也可以由印刷电路板材料形成。 柔性窗口允许在烧坏完成后在每个芯片上调用冗余度,与不允许在老化后修复的现有方案相比,显着提高产量。