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发明名称
晶圆测试特殊图案及探针卡缺陷的检验方法;METHOD FOR TESTING SPECIAL PATTERN AND PROBE CARD DEFECT IN WAFER TESTING
摘要
一种晶圆测试特殊图案及探针卡缺陷的检验方法。晶圆测试特殊图案检验方法系将晶圆区分为多个测试区块,其中各个测试区块包括多个晶片,利用探针卡的多个接点分别测试晶圆的各个测试区块中的晶片,以取得晶圆的测试图。然后,累加测试图的各个测试区块内有缺陷及无缺陷之晶片个数,分别进行卡方检定并计算其最大P值(P-value)。最后,判断所有测试区块之最大P值的最小值是否小于某个预设之门槛值,而若此最小值小于门槛值,即判定晶圆的测试图具有特殊图案。
申请公布号
TW201546467
申请公布日期
2015.12.16
申请号
TW103119682
申请日期
2014.06.06
申请人
旺宏电子股份有限公司 MACRONIX INTERNATIONAL CO., LTD.
发明人
张世贤 CHANG, SHIH HSIEN;涂凯文 TU, KAI WEN;林晏 LIN, YEN;郑清仁 CHENG, CHING REN
分类号
G01R31/28(2006.01)
主分类号
G01R31/28(2006.01)
代理机构
代理人
詹铭文叶璟宗
主权项
地址
新竹市新竹科学工业园区力行路16号 TW
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