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    • 5. 发明授权
    • Method of fabricating non-volatile memory integrated circuit device and non-volatile memory integrated circuit device fabricated using the same
    • 制造非易失性存储器集成电路器件的方法和使用其制造的非易失性存储器集成电路器件
    • US08030150B2
    • 2011-10-04
    • US12397543
    • 2009-03-04
    • Byoung-ho KwonChang-ki HongBo-un YoonJun-yong Kim
    • Byoung-ho KwonChang-ki HongBo-un YoonJun-yong Kim
    • H01L21/8238
    • H01L27/11568H01L27/105H01L27/11526H01L27/11529
    • A method of fabricating a non-volatile memory integrated circuit device and a non-volatile memory integrated circuit device fabricated by using the method are provided. A device isolation region is formed in a substrate to define a cell array region and a peripheral circuit region. A plurality of first and second pre-stacked gate structures is formed in the cell array region, and each has a structure in which a lower structure, a conductive pattern and a first sacrificial layer pattern are stacked. Junction regions are formed in the cell array region. Spacers are formed on side walls of the first and second pre-stacked gate structures. A second sacrificial layer pattern filling each space between the second pre-stacked gate structures is formed. The first sacrificial layer pattern is removed from each of the first and second pre-stacked gate structures. A damascene metal layer pattern is formed in each of spaces of the first and second pre-stacked gate structures from which the first sacrificial layer pattern is removed, thus completing first and second stacked gate structures. The second sacrificial layer pattern is removed. A stop layer is formed on top surfaces of the first stacked gate structures, top surfaces and side walls of the second stacked gate structures, and a top surface of the substrate.
    • 提供了一种制造使用该方法制造的非易失性存储器集成电路器件和非易失性存储器集成电路器件的方法。 器件隔离区域形成在衬底中以限定电池阵列区域和外围电路区域。 在单元阵列区域中形成多个第一和第二预叠层栅极结构,并且每个都具有堆叠下部结构,导电图案和第一牺牲层图案的结构。 结区域形成在单元阵列区域中。 间隔件形成在第一和第二预堆叠栅极结构的侧壁上。 形成填充第二预堆叠栅极结构之间的每个空间的第二牺牲层图案。 第一牺牲层图案从第一和第二预堆叠栅极结构中的每一个去除。 在第一和第二预堆叠栅极结构的每个空间中形成镶嵌金属层图案,从中去除第一牺牲层图案,从而完成第一和第二堆叠栅极结构。 去除第二牺牲层图案。 在第一层叠栅极结构的顶表面,第二堆叠栅结构的顶表面和侧壁以及衬底的顶表面上形成停止层。
    • 7. 发明申请
    • Method of Fabricating Non-Volatile Memory Integrated Circuit Device and Non-Volatile Memory Integrated Circuit Device Fabricated Using the Same
    • 制造非易失性存储器集成电路器件和使用其的非易失性存储器集成电路器件的方法
    • US20080017915A1
    • 2008-01-24
    • US11763137
    • 2007-06-14
    • Byoung-ho KWONChang-ki HongBo-un YoonJun-yong Kim
    • Byoung-ho KWONChang-ki HongBo-un YoonJun-yong Kim
    • H01L27/105H01L21/8229
    • H01L27/11568H01L27/105H01L27/11526H01L27/11529
    • A method of fabricating a non-volatile memory integrated circuit device and a non-volatile memory integrated circuit device fabricated by using the method are provided. A device isolation region is formed in a substrate to define a cell array region and a peripheral circuit region. A plurality of first and second pre-stacked gate structures is formed in the cell array region, and each has a structure in which a lower structure, a conductive pattern and a first sacrificial layer pattern are stacked. Junction regions are formed in the cell array region. Spacers are formed on side walls of the first and second pre-stacked gate structures. A second sacrificial layer pattern filling each space between the second pre-stacked gate structures is formed. The first sacrificial layer pattern is removed from each of the first and second pre-stacked gate structures. A damascene metal layer pattern is formed in each of spaces of the first and second pre-stacked gate structures from which the first sacrificial layer pattern is removed, thus completing first and second stacked gate structures. The second sacrificial layer pattern is removed. A stop layer is formed on top surfaces of the first stacked gate structures, top surfaces and side walls of the second stacked gate structures, and a top surface of the substrate.
    • 提供了一种制造使用该方法制造的非易失性存储器集成电路器件和非易失性存储器集成电路器件的方法。 器件隔离区域形成在衬底中以限定电池阵列区域和外围电路区域。 在单元阵列区域中形成多个第一和第二预叠层栅极结构,并且每个都具有堆叠下部结构,导电图案和第一牺牲层图案的结构。 结区域形成在单元阵列区域中。 间隔件形成在第一和第二预堆叠栅极结构的侧壁上。 形成填充第二预堆叠栅极结构之间的每个空间的第二牺牲层图案。 第一牺牲层图案从第一和第二预堆叠栅极结构中的每一个去除。 在第一和第二预堆叠栅极结构的每个空间中形成镶嵌金属层图案,从中去除第一牺牲层图案,从而完成第一和第二堆叠栅极结构。 去除第二牺牲层图案。 在第一层叠栅极结构的顶表面,第二堆叠栅结构的顶表面和侧壁以及衬底的顶表面上形成停止层。