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    • 91. 发明申请
    • OXIDATION/HEAT TREATMENT METHODS OF MANUFACTURING NON-VOLATILE MEMORY DEVICES
    • 制造非易失性存储器件的氧化/热处理方法
    • US20080085584A1
    • 2008-04-10
    • US11857824
    • 2007-09-19
    • Young-Jin NohChul-Sung KimSi-Young ChoiBon-Young KooKi-Hyun HwangSung-Kweon Baek
    • Young-Jin NohChul-Sung KimSi-Young ChoiBon-Young KooKi-Hyun HwangSung-Kweon Baek
    • H01L21/336
    • H01L21/28247H01L29/40114
    • Methods of manufacturing non-volatile memory devices are disclosed which may at least partially cure etch damage and may at least partially remove defect sites in gate structures of the devices caused during manufacturing of the devices. An exemplary method of manufacturing a non-volatile memory device includes forming a gate structure on a substrate, the gate structure including a control gate electrode, a blocking layer pattern, a floating gate electrode, and a tunnel insulating layer pattern. An oxidation process is performed that at least partially cures damage caused to the substrate and to the gate structure during formation of the gate structure. A first heat treatment is performed under a gas atmosphere including nitrogen to at least partially remove defect sites on the gate structure caused by the oxidation process. A second heat treatment is performed under a gas atmosphere including chlorine to at least partially remove remaining defect sites on the gate structure caused by the oxidation process.
    • 公开了制造非易失性存储器件的方法,其可以至少部分地固化蚀刻损伤,并且可以至少部分地去除在器件的制造期间引起的器件的栅极结构中的缺陷位置。 制造非易失性存储器件的示例性方法包括在衬底上形成栅极结构,栅极结构包括控制栅电极,阻挡层图案,浮栅电极和隧道绝缘层图案。 进行氧化处理,其至少部分地固化在栅极结构形成期间对衬底和栅极结构的损伤。 在包括氮气的气体气氛下进行第一热处理,以至少部分地去除由氧化过程引起的栅极结构上的缺陷部位。 在包括氯的气体气氛下进行第二热处理,以至少部分地去除由氧化过程引起的栅极结构上的剩余缺陷部位。