Method for qualifying a semiconductor wafer for subsequent processing
    2.
    发明授权
    Method for qualifying a semiconductor wafer for subsequent processing 有权
    用于对用于后续处理的半导体晶片进行限定的方法

    公开(公告)号:US09064823B2

    公开(公告)日:2015-06-23

    申请号:US13889515

    申请日:2013-05-08

    Abstract: A method is provided for qualifying a semiconductor wafer for subsequent processing, such as thermal processing. A plurality of locations are defined about a periphery of the semiconductor wafer, and one or more properties, such as oxygen concentration and a density of bulk micro defects present, are measured at each of the plurality of locations. A statistical profile associated with the periphery of the semiconductor wafer is determined based on the one or more properties measured at the plurality of locations. The semiconductor wafer is subsequently thermally treated when the statistical profile falls within a predetermined range. The semiconductor wafer is rejected from subsequent processing when the statistical profile deviates from the predetermined range. As such, wafers prone to distortion, warpage, and breakage are rejected from subsequent thermal processing.

    Abstract translation: 提供了一种用于限定半导体晶片以进行后续处理(诸如热处理)的方法。 围绕半导体晶片的周边限定多个位置,并且在多个位置的每一个处测量一个或多个特性,例如存在的氧浓度和体积微缺陷的密度。 基于在多个位置处测量的一个或多个属性来确定与半导体晶片的外围相关联的统计概况。 当统计特性落在预定范围内时,半导体晶片随后进行热处理。 当统计概况偏离预定范围时,半导体晶片从后续处理中被拒绝。 因此,容易发生变形,翘曲和断裂的晶片从随后的热处理中被拒绝。

    Wafer Strength by Control of Uniformity of Edge Bulk Micro Defects
    4.
    发明申请
    Wafer Strength by Control of Uniformity of Edge Bulk Micro Defects 有权
    通过控制边缘体微观缺陷的均匀性来获得晶片强度

    公开(公告)号:US20140273291A1

    公开(公告)日:2014-09-18

    申请号:US13889515

    申请日:2013-05-08

    Abstract: A method is provided for qualifying a semiconductor wafer for subsequent processing, such as thermal processing. A plurality of locations are defined about a periphery of the semiconductor wafer, and one or more properties, such as oxygen concentration and a density of bulk micro defects present, are measured at each of the plurality of locations. A statistical profile associated with the periphery of the semiconductor wafer is determined based on the one or more properties measured at the plurality of locations. The semiconductor wafer is subsequently thermally treated when the statistical profile falls within a predetermined range. The semiconductor wafer is rejected from subsequent processing when the statistical profile deviates from the predetermined range. As such, wafers prone to distortion, warpage, and breakage are rejected from subsequent thermal processing.

    Abstract translation: 提供了一种用于限定半导体晶片以进行后续处理(诸如热处理)的方法。 围绕半导体晶片的周边限定多个位置,并且在多个位置的每一个处测量一个或多个特性,例如存在的氧浓度和体积微缺陷的密度。 基于在多个位置处测量的一个或多个属性来确定与半导体晶片的外围相关联的统计概况。 当统计特性落在预定范围内时,半导体晶片随后进行热处理。 当统计概况偏离预定范围时,半导体晶片从后续处理中被拒绝。 因此,容易发生变形,翘曲和断裂的晶片从随后的热处理中被拒绝。

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