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    • 9. 发明授权
    • Defect inspection method and its system
    • 缺陷检查方法及其系统
    • US07943903B2
    • 2011-05-17
    • US12320574
    • 2009-01-29
    • Shinji OkazakiShoji HottaYasunari SohdaYoshinori Nakayama
    • Shinji OkazakiShoji HottaYasunari SohdaYoshinori Nakayama
    • H01J37/153G01N23/00
    • H01L22/12G06T7/0006G06T7/001G06T2207/10056G06T2207/30148H01L2924/0002H01L2924/00
    • A method for enabling management of fatal defects of semiconductor integrated patterns easily, the method enables storing of design data of each pattern designed by a semiconductor integrated circuit designer, as well as storing of design intent data having pattern importance levels ranked according to their design intents respectively. The method also enables anticipating of defects to be generated systematically due to the characteristics of the subject exposure system, etc. while each designed circuit pattern is exposed and delineated onto a wafer in a simulation carried out beforehand and storing those defects as hot spot information. Furthermore, the method also enables combining of the design intent data with hot spot information to limit inspection spots that might include systematic defects at high possibility with respect to the characteristics of the object semiconductor integrated circuit and shorten the defect inspection time significantly.
    • 一种能够容易地管理半导体集成图案的致命缺陷的方法,该方法能够存储由半导体集成电路设计者设计的每个图案的设计数据,以及存储具有根据其设计意图排列的图案重要性级别的设计意图数据 分别。 该方法还可以预测由于目标曝光系统等的特性而系统地产生的缺陷,同时在预先进行的模拟中将每个设计的电路图案暴露并描绘到晶片上,并将这些缺陷存储为热点信息。 此外,该方法还能够将设计意图数据与热点信息组合,以限制可能包括关于对象半导体集成电路的特性的高可能性的系统缺陷的检查点,并显着缩短缺陷检查时间。