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    • 1. 发明授权
    • Nonvolatile semiconductor memory and fabrication method for the same
    • 非易失性半导体存储器及其制造方法相同
    • US08541829B2
    • 2013-09-24
    • US13235948
    • 2011-09-19
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • H01L29/76H01L29/792
    • H01L27/115G11C16/0416G11C16/0433G11C16/0483G11C16/30H01L27/11521H01L27/11524
    • A nonvolatile semiconductor memory includes a memory cell transistor including a first floating gate electrode layer formed on a first tunneling insulating film, a first inter-gate insulating film, first and second control gate electrode layers, and a first metallic silicide film; a high voltage transistor including a high voltage gate electrode layer formed on a high voltage gate insulating film, a second inter-gate insulating film having an aperture, third and fourth control gate electrode layers, and a second metallic silicide film; a low voltage transistor including a second floating gate electrode layer formed on a second tunneling insulating film, a third inter-gate insulating film having an aperture, fifth and sixth control gate electrode layers, and a third metallic silicide film; and a liner insulating film directly disposed on source and drain regions of each of the memory cell transistor, the low voltage transistor, and the high voltage transistor.
    • 非易失性半导体存储器包括:存储单元晶体管,包括形成在第一隧穿绝缘膜上的第一浮栅电极层,第一栅间绝缘膜,第一和第二控制栅极电极层以及第一金属硅化物膜; 包括形成在高压栅极绝缘膜上的高电压栅极电极层,具有孔径的第二栅极间绝缘膜,第三和第四控制栅极电极层以及第二金属硅化物膜的高压晶体管; 包括形成在第二隧道绝缘膜上的第二浮栅电极层,具有孔的第三栅间绝缘膜,第五和第六控制栅电极层和第三金属硅化物膜的低压晶体管; 以及直接设置在每个存储单元晶体管,低压晶体管和高压晶体管的源极和漏极区域上的衬垫绝缘膜。
    • 2. 发明授权
    • Nonvolatile semiconductor memory and fabrication method for the same
    • 非易失性半导体存储器及其制造方法相同
    • US08084324B2
    • 2011-12-27
    • US12720062
    • 2010-03-09
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • H01L21/8238H01L21/336H01L21/4763
    • H01L27/115G11C16/0416G11C16/0433G11C16/0483G11C16/30H01L27/11521H01L27/11524
    • A nonvolatile semiconductor memory includes a memory cell transistor including a first floating gate electrode layer formed on a first tunneling insulating film, a first inter-gate insulating film, a first and a second control gate electrode layer, and a first metallic silicide film; a high voltage transistor including a high voltage gate electrode layer formed on the high voltage gate insulating film, a second inter-gate insulating film having an aperture, a third and a fourth control gate electrode layer, and a second metallic silicide film; a low voltage transistor including a second floating gate electrode layer formed on the second tunneling insulating film, a third inter-gate insulating film having an aperture, a fifth and a sixth control gate electrode layer, and a third metallic silicide film; and a liner insulating film directly disposed on a first source and drain region of the memory cell transistor, a second source and drain region of the low voltage transistor, and a third source and drain region of the high voltage transistor.
    • 非易失性半导体存储器包括:存储单元晶体管,包括形成在第一隧道绝缘膜上的第一浮栅电极层,第一栅间绝缘膜,第一和第二控制栅极电极层和第一金属硅化物膜; 包括形成在高压栅极绝缘膜上的高电压栅极电极层,具有孔径的第二栅极间绝缘膜,第三和第四控制栅极电极层和第二金属硅化物膜的高压晶体管; 包括形成在第二隧道绝缘膜上的第二浮栅电极层,具有孔的第三栅间绝缘膜,第五和第六控制栅极电极层和第三金属硅化物膜的低压晶体管; 以及直接设置在存储单元晶体管的第一源极和漏极区域,低压晶体管的第二源极和漏极区域以及高压晶体管的第三源极和漏极区域中的衬垫绝缘膜。
    • 4. 发明申请
    • NONVOLATILE SEMICONDUCTOR MEMORY AND FABRICATION METHOD FOR THE SAME
    • 非易失性半导体存储器及其制造方法
    • US20100173471A1
    • 2010-07-08
    • US12720062
    • 2010-03-09
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • H01L21/336H01L21/762
    • H01L27/115G11C16/0416G11C16/0433G11C16/0483G11C16/30H01L27/11521H01L27/11524
    • A nonvolatile semiconductor memory includes a memory cell transistor including a first floating gate electrode layer formed on a first tunneling insulating film, a first inter-gate insulating film, a first and a second control gate electrode layer, and a first metallic silicide film; a high voltage transistor including a high voltage gate electrode layer formed on the high voltage gate insulating film, a second inter-gate insulating film having an aperture, a third and a fourth control gate electrode layer, and a second metallic silicide film; a low voltage transistor including a second floating gate electrode layer formed on the second tunneling insulating film, a third inter-gate insulating film having an aperture, a fifth and a sixth control gate electrode layer, and a third metallic silicide film; and a liner insulating film directly disposed on a first source and drain region of the memory cell transistor, a second source and drain region of the low voltage transistor, and a third source and drain region of the high voltage transistor.
    • 非易失性半导体存储器包括:存储单元晶体管,包括形成在第一隧道绝缘膜上的第一浮栅电极层,第一栅间绝缘膜,第一和第二控制栅极电极层和第一金属硅化物膜; 包括形成在高压栅极绝缘膜上的高电压栅极电极层,具有孔径的第二栅极间绝缘膜,第三和第四控制栅极电极层和第二金属硅化物膜的高压晶体管; 包括形成在第二隧道绝缘膜上的第二浮栅电极层,具有孔的第三栅间绝缘膜,第五和第六控制栅极电极层和第三金属硅化物膜的低压晶体管; 以及直接设置在存储单元晶体管的第一源极和漏极区域,低压晶体管的第二源极和漏极区域以及高压晶体管的第三源极和漏极区域中的衬垫绝缘膜。
    • 6. 发明申请
    • NONVOLATILE SEMICONDUCTOR MEMORY AND FABRICATION METHOD FOR THE SAME
    • 非易失性半导体存储器及其制造方法
    • US20070109848A1
    • 2007-05-17
    • US11553661
    • 2006-10-27
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • Kikuko SugimaeMasayuki IchigeFumitaka AraiYasuhiko MatsunagaAtsuhiro Sato
    • G11C16/04
    • H01L27/115G11C16/0416G11C16/0433G11C16/0483G11C16/30H01L27/11521H01L27/11524
    • A nonvolatile semiconductor memory includes a memory cell transistor including a first floating gate electrode layer formed on a first tunneling insulating film, a first inter-gate insulating film, a first and a second control gate electrode layer, and a first metallic silicide film; a high voltage transistor including a high voltage gate electrode layer formed on the high voltage gate insulating film, a second inter-gate insulating film having an aperture, a third and a fourth control gate electrode layer, and a second metallic silicide film; a low voltage transistor including a second floating gate electrode layer formed on the second tunneling insulating film, a third inter-gate insulating film having an aperture, a fifth and a sixth control gate electrode layer, and a third metallic silicide film; and a liner insulating film directly disposed on a first source and drain region of the memory cell transistor, a second source and drain region of the low voltage transistor, and a third source and drain region of the high voltage transistor.
    • 非易失性半导体存储器包括:存储单元晶体管,包括形成在第一隧道绝缘膜上的第一浮栅电极层,第一栅间绝缘膜,第一和第二控制栅极电极层和第一金属硅化物膜; 包括形成在高压栅极绝缘膜上的高电压栅极电极层,具有孔径的第二栅极间绝缘膜,第三和第四控制栅极电极层和第二金属硅化物膜的高压晶体管; 包括形成在第二隧道绝缘膜上的第二浮栅电极层,具有孔的第三栅间绝缘膜,第五和第六控制栅极电极层和第三金属硅化物膜的低压晶体管; 以及直接设置在存储单元晶体管的第一源极和漏极区域,低压晶体管的第二源极和漏极区域以及高压晶体管的第三源极和漏极区域中的衬垫绝缘膜。