公开(公告)号：US08217444B2

公开(公告)日：2012-07-10

申请号：US13194099

申请日：2011-07-29

申请人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

发明人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

IPC分类号： H01L29/788

CPC分类号： H01L29/792 ,  H01L21/28273 ,  H01L21/28282 ,  H01L29/42332 ,  H01L29/42348 ,  H01L29/513 ,  H01L29/7881

摘要： A MONOS type non-volatile semiconductor memory device which is capable of electrically writing, erasing, reading and retaining data, the memory device including source/drain regions, a first gate insulating layer, a first charge trapping layer formed on the first gate insulating layer, a second gate insulating layer formed on the first charge trapping layer, and a controlling electrode formed on the second gate insulating layer. The first charge trapping layer includes an insulating film containing Al and O as major elements and having a defect pair formed of a complex of an interstitial O atom and a tetravalent cationic atom substituting for an Al atom, the insulating film also having electron unoccupied levels within the range of 2 eV-6 eV as measured from the valence band maximum of Al2O3.

摘要翻译： 一种能够电写入，擦除，读取和保留数据的MONOS型非易失性半导体存储器件，所述存储器件包括源极/漏极区，第一栅极绝缘层，形成在第一栅极绝缘层上的第一电荷俘获层 形成在第一电荷俘获层上的第二栅极绝缘层，以及形成在第二栅极绝缘层上的控制电极。 第一电荷俘获层包括含有Al和O作为主要元素并且具有由间隙O原子和四价阳离子原子的复合物形成的缺陷对的绝缘膜，代替Al原子，绝缘膜还具有电子未占有的含量 从Al2O3的价带最大值测量的2eV-6eV的范围。

公开(公告)号：US20090078983A1

公开(公告)日：2009-03-26

申请号：US12212128

申请日：2008-09-17

申请人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

发明人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

IPC分类号： H01L29/788 ,  H01L29/792

CPC分类号： H01L29/792 ,  H01L21/28273 ,  H01L21/28282 ,  H01L29/42332 ,  H01L29/42348 ,  H01L29/513 ,  H01L29/7881

摘要： A MONOS type non-volatile semiconductor memory device which is capable of electrically writing, erasing, reading and retaining data, the memory device including source/drain regions, a first gate insulating layer, a first charge trapping layer formed on the first gate insulating layer, a second gate insulating layer formed on the first charge trapping layer, and a controlling electrode formed on the second gate insulating layer. The first charge trapping layer includes an insulating film containing Al and O as major elements and having a defect pair formed of a complex of an interstitial O atom and a tetravalent cationic atom substituting for an Al atom, the insulating film also having electron unoccupied levels within the range of 2 eV-6 eV as measured from the valence band maximum of Al2O3.

摘要翻译： 一种能够电写入，擦除，读取和保留数据的MONOS型非易失性半导体存储器件，所述存储器件包括源极/漏极区，第一栅极绝缘层，形成在第一栅极绝缘层上的第一电荷俘获层 形成在第一电荷俘获层上的第二栅极绝缘层，以及形成在第二栅极绝缘层上的控制电极。 第一电荷俘获层包括含有Al和O作为主要元素并且具有由间隙O原子和四价阳离子原子的复合物形成的缺陷对的绝缘膜，代替Al原子，绝缘膜还具有电子未占有的含量 从Al2O3的价带最大值测量的2eV-6eV的范围。

公开(公告)号：US08013380B2

公开(公告)日：2011-09-06

申请号：US12212128

申请日：2008-09-17

申请人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

发明人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

IPC分类号： H01L29/788

CPC分类号： H01L29/792 ,  H01L21/28273 ,  H01L21/28282 ,  H01L29/42332 ,  H01L29/42348 ,  H01L29/513 ,  H01L29/7881

摘要： A MONOS type non-volatile semiconductor memory device which is capable of electrically writing, erasing, reading and retaining data, the memory device including source/drain regions, a first gate insulating layer, a first charge trapping layer formed on the first gate insulating layer, a second gate insulating layer formed on the first charge trapping layer, and a controlling electrode formed on the second gate insulating layer. The first charge trapping layer includes an insulating film containing Al and O as major elements and having a defect pair formed of a complex of an interstitial O atom and a tetravalent cationic atom substituting for an Al atom, the insulating film also having electron unoccupied levels within the range of 2 eV-6 eV as measured from the valence band maximum of Al2O3.

摘要翻译： 一种能够电写入，擦除，读取和保留数据的MONOS型非易失性半导体存储器件，所述存储器件包括源极/漏极区，第一栅极绝缘层，形成在第一栅极绝缘层上的第一电荷俘获层 形成在第一电荷俘获层上的第二栅极绝缘层，以及形成在第二栅极绝缘层上的控制电极。 第一电荷俘获层包括含有Al和O作为主要元素并且具有由间隙O原子和四价阳离子原子的复合物形成的缺陷对的绝缘膜，代替Al原子，绝缘膜还具有电子未占有的含量 从Al2O3的价带最大值测量的2eV-6eV的范围。

公开(公告)号：US08415736B2

公开(公告)日：2013-04-09

申请号：US13527813

申请日：2012-06-20

申请人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

发明人： Yasushi Nakasaki ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

IPC分类号： H01L29/788

CPC分类号： H01L29/792 ,  H01L21/28273 ,  H01L21/28282 ,  H01L29/42332 ,  H01L29/42348 ,  H01L29/513 ,  H01L29/7881

摘要： A MONOS type non-volatile semiconductor memory device which is capable of electrically writing, erasing, reading and retaining data, the memory device including source/drain regions, a first gate insulating layer, a first charge trapping layer formed on the first gate insulating layer, a second gate insulating layer formed on the first charge trapping layer, and a controlling electrode formed on the second gate insulating layer. The first charge trapping layer includes an insulating film containing Al and O as major elements and having a defect pair formed of a complex of an interstitial O atom and a tetravalent cationic atom substituting for an Al atom, the insulating film also having electron unoccupied levels within the range of 2 eV-6 eV as measured from the valence band maximum of Al2O3.

公开(公告)号：US20120256249A1

公开(公告)日：2012-10-11

申请号：US13527813

申请日：2012-06-20

申请人： Yasushi NAKASAKI ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

发明人： Yasushi NAKASAKI ,  Koichi Muraoka ,  Naoki Yasuda ,  Shoko Kikuchi

IPC分类号： H01L29/792

CPC分类号： H01L29/792 ,  H01L21/28273 ,  H01L21/28282 ,  H01L29/42332 ,  H01L29/42348 ,  H01L29/513 ,  H01L29/7881

摘要： A MONOS type non-volatile semiconductor memory device which is capable of electrically writing, erasing, reading and retaining data, the memory device including source/drain regions, a first gate insulating layer, a first charge trapping layer formed on the first gate insulating layer, a second gate insulating layer formed on the first charge trapping layer, and a controlling electrode formed on the second gate insulating layer. The first charge trapping layer includes an insulating film containing Al and O as major elements and having a defect pair formed of a complex of an interstitial O atom and a tetravalent cationic atom substituting for an Al atom, the insulating film also having electron unoccupied levels within the range of 2 eV-6 eV as measured from the valence band maximum of Al2O3.

摘要翻译： 一种能够电写入，擦除，读取和保留数据的MONOS型非易失性半导体存储器件，所述存储器件包括源极/漏极区，第一栅极绝缘层，形成在第一栅极绝缘层上的第一电荷俘获层 形成在第一电荷俘获层上的第二栅极绝缘层，以及形成在第二栅极绝缘层上的控制电极。 第一电荷俘获层包括含有Al和O作为主要元素并且具有由间隙O原子和四价阳离子原子的复合物形成的缺陷对的绝缘膜，代替Al原子，绝缘膜还具有电子未占有的含量 从Al2O3的价带最大值测量的2eV-6eV的范围。

公开(公告)号：US07999303B2

公开(公告)日：2011-08-16

申请号：US12353586

申请日：2009-01-14

申请人： Shoko Kikuchi ,  Yasushi Nakasaki ,  Koichi Muraoka

发明人： Shoko Kikuchi ,  Yasushi Nakasaki ,  Koichi Muraoka

IPC分类号： H01L29/788

CPC分类号： H01L27/11568 ,  H01L21/28282 ,  H01L29/513 ,  H01L29/517 ,  H01L29/78

摘要： The present invention provides a high-performance MONOS-type NAND-type nonvolatile semiconductor memory device using an aluminum oxide film as a part of gate insulating film in a select transistor and as a block insulating film in a memory transistor. The NAND-type nonvolatile semiconductor memory device has, on a semiconductor substrate, a plurality of memory cell transistors connected to each other in series and a select transistor. The memory cell transistor includes a first insulating film on the semiconductor substrate, a charge trapping layer, a second insulating film made of aluminum oxide,a first control gate electrode, and a first source/drain region. The select transistor includes a third insulating film on the semiconductor substrate, a fourth insulating film made of an aluminum oxide containing at least one of a tetravalent cationic element, a pentavalent cationic element, and N (nitrogen), a second control gate electrode, and a second source/drain region.

摘要翻译： 本发明提供一种在选择晶体管中使用氧化铝膜作为栅绝缘膜的一部分的高性能MONOS型NAND型非易失性半导体存储器件，并且作为存储晶体管中的块绝缘膜。 NAND型非易失性半导体存储器件在半导体衬底上具有串联连接的多个存储单元晶体管和选择晶体管。 存储单元晶体管包括半导体衬底上的第一绝缘膜，电荷俘获层，由氧化铝制成的第二绝缘膜，第一控制栅极电极和第一源极/漏极区域。 选择晶体管包括半导体衬底上的第三绝缘膜，由包含四价阳离子元素，五价阳离子元素和N（氮）中的至少一种的氧化铝制成的第四绝缘膜，第二控制栅电极和 第二源极/漏极区域。

公开(公告)号：US08319271B2

公开(公告)日：2012-11-27

申请号：US13182283

申请日：2011-07-13

申请人： Shoko Kikuchi ,  Yasushi Nakasaki ,  Koichi Muraoka

发明人： Shoko Kikuchi ,  Yasushi Nakasaki ,  Koichi Muraoka

IPC分类号： H01L29/788

CPC分类号： H01L27/11568 ,  H01L21/28282 ,  H01L29/513 ,  H01L29/517 ,  H01L29/78

摘要： The present invention provides a high-performance MONOS-type NAND-type nonvolatile semiconductor memory device using an aluminum oxide film as a part of gate insulating film in a select transistor and as a block insulating film in a memory transistor. The NAND-type nonvolatile semiconductor memory device has, on a semiconductor substrate, a plurality of memory cell transistors connected to each other in series and a select transistor. The memory cell transistor includes a first insulating film on the semiconductor substrate, a charge trapping layer, a second insulating film made of aluminum oxide, a first control gate electrode, and a first source/drain region. The select transistor includes a third insulating film on the semiconductor substrate, a fourth insulating film made of an aluminum oxide containing at least one of a tetravalent cationic element, a pentavalent cationic element, and N (nitrogen), a second control gate electrode, and a second source/drain region.

摘要翻译： 本发明提供一种在选择晶体管中使用氧化铝膜作为栅绝缘膜的一部分的高性能MONOS型NAND型非易失性半导体存储器件，并且作为存储晶体管中的块绝缘膜。 NAND型非易失性半导体存储器件在半导体衬底上具有串联连接的多个存储单元晶体管和选择晶体管。 存储单元晶体管包括半导体衬底上的第一绝缘膜，电荷俘获层，由氧化铝制成的第二绝缘膜，第一控制栅极电极和第一源极/漏极区域。 选择晶体管包括半导体衬底上的第三绝缘膜，由包含四价阳离子元素，五价阳离子元素和N（氮）中的至少一种的氧化铝制成的第四绝缘膜，第二控制栅电极和 第二源极/漏极区域。

公开(公告)号：US20110266612A1

公开(公告)日：2011-11-03

申请号：US13182283

申请日：2011-07-13

申请人： Shoko KIKUCHI ,  Yasushi Nakasaki ,  Koichi Muraoka

发明人： Shoko KIKUCHI ,  Yasushi Nakasaki ,  Koichi Muraoka

IPC分类号： H01L29/792

CPC分类号： H01L27/11568 ,  H01L21/28282 ,  H01L29/513 ,  H01L29/517 ,  H01L29/78

摘要： The present invention provides a high-performance MONOS-type NAND-type nonvolatile semiconductor memory device using an aluminum oxide film as a part of gate insulating film in a select transistor and as a block insulating film in a memory transistor. The NAND-type nonvolatile semiconductor memory device has, on a semiconductor substrate, a plurality of memory cell transistors connected to each other in series and a select transistor. The memory cell transistor includes a first insulating film on the semiconductor substrate, a charge trapping layer, a second insulating film made of aluminum oxide, a first control gate electrode, and a first source/drain region. The select transistor includes a third insulating film on the semiconductor substrate, a fourth insulating film made of an aluminum oxide containing at least one of a tetravalent cationic element, a pentavalent cationic element, and N (nitrogen), a second control gate electrode, and a second source/drain region.

摘要翻译： 本发明提供一种在选择晶体管中使用氧化铝膜作为栅绝缘膜的一部分的高性能MONOS型NAND型非易失性半导体存储器件，并且作为存储晶体管中的块绝缘膜。 NAND型非易失性半导体存储器件在半导体衬底上具有串联连接的多个存储单元晶体管和选择晶体管。 存储单元晶体管包括半导体衬底上的第一绝缘膜，电荷俘获层，由氧化铝制成的第二绝缘膜，第一控制栅极电极和第一源极/漏极区域。 选择晶体管包括半导体衬底上的第三绝缘膜，由包含四价阳离子元素，五价阳离子元素和N（氮）中的至少一种的氧化铝制成的第四绝缘膜，第二控制栅电极和 第二源极/漏极区域。

公开(公告)号：US20090242958A1

公开(公告)日：2009-10-01

申请号：US12353586

申请日：2009-01-14

申请人： Shoko KIKUCHI ,  Yasushi Nakasaki ,  Koichi Muraoka

发明人： Shoko KIKUCHI ,  Yasushi Nakasaki ,  Koichi Muraoka

IPC分类号： H01L27/108 ,  H01L27/115 ,  H01L29/788 ,  H01L27/088

CPC分类号： H01L27/11568 ,  H01L21/28282 ,  H01L29/513 ,  H01L29/517 ,  H01L29/78

摘要： The present invention provides a high-performance MONOS-type NAND-type nonvolatile semiconductor memory device using an aluminum oxide film as a part of gate insulating film in a select transistor and as a block insulating film in a memory transistor. The NAND-type nonvolatile semiconductor memory device has, on a semiconductor substrate, a plurality of memory cell transistors connected to each other in series and a select transistor. The memory cell transistor includes a first insulating film on the semiconductor substrate, a charge trapping layer, a second insulating film made of aluminum oxide,a first control gate electrode, and a first source/drain region. The select transistor includes a third insulating film on the semiconductor substrate, a fourth insulating film made of an aluminum oxide containing at least one of a tetravalent cationic element, a pentavalent cationic element, and N (nitrogen), a second control gate electrode, and a second source/drain region.

摘要翻译： 本发明提供一种在选择晶体管中使用氧化铝膜作为栅绝缘膜的一部分的高性能MONOS型NAND型非易失性半导体存储器件，并且作为存储晶体管中的块绝缘膜。 NAND型非易失性半导体存储器件在半导体衬底上具有串联连接的多个存储单元晶体管和选择晶体管。 存储单元晶体管包括半导体衬底上的第一绝缘膜，电荷俘获层，由氧化铝制成的第二绝缘膜，第一控制栅极电极和第一源极/漏极区域。 选择晶体管包括半导体衬底上的第三绝缘膜，由包含四价阳离子元素，五价阳离子元素和N（氮）中的至少一种的氧化铝制成的第四绝缘膜，第二控制栅电极和 第二源极/漏极区域。

公开(公告)号：US08569823B2

公开(公告)日：2013-10-29

申请号：US13235970

申请日：2011-09-19

申请人： Tsunehiro Ino ,  Masao Shingu ,  Shosuke Fujii ,  Akira Takashima ,  Daisuke Matsushita ,  Jun Fujiki ,  Naoki Yasuda ,  Yasushi Nakasaki ,  Koichi Muraoka

发明人： Tsunehiro Ino ,  Masao Shingu ,  Shosuke Fujii ,  Akira Takashima ,  Daisuke Matsushita ,  Jun Fujiki ,  Naoki Yasuda ,  Yasushi Nakasaki ,  Koichi Muraoka

IPC分类号： H01L29/788

CPC分类号： H01L29/513 ,  H01L21/28282 ,  H01L27/11568 ,  H01L29/517 ,  H01L29/66833 ,  H01L29/792

摘要： According to one embodiment, a semiconductor device includes a semiconductor region, a tunnel insulating film provided on the semiconductor region, a charge storage insulating film provided on the tunnel insulating film and having a hafnium oxide including a cubic region, a block insulating film provided on the charge storage insulating film, and a control gate electrode provided on the block insulating film.

摘要翻译： 根据一个实施例，半导体器件包括半导体区域，设置在半导体区域上的隧道绝缘膜，设置在隧道绝缘膜上并具有包含立方体区域的氧化铪的电荷存储绝缘膜，设置在 电荷存储绝缘膜和设置在块绝缘膜上的控制栅电极。