公开(公告)号：US20050017274A1

公开(公告)日：2005-01-27

申请号：US10920389

申请日：2004-08-18

申请人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

发明人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

IPC分类号： H01L21/8242 ,  H01L27/105 ,  H01L27/108 ,  H01L29/76

CPC分类号： H01L27/10852 ,  H01L27/105 ,  H01L27/10814 ,  H01L27/10855 ,  H01L27/10873 ,  H01L27/10888 ,  H01L27/10894 ,  Y10S257/90

摘要： A technology for a semiconductor integrated circuitry allows each of the DRAM memory cells to be divided finely so as to be more highly integrated and operate faster. In a method of manufacturing such a semiconductor integrated circuit, at first, gate electrodes 7 are formed via a gate insulating film 6 on the main surface of a semiconductor substrate 1, and on side surfaces of each of the gate electrodes there is formed a first side wall spacer 14 composed of silicon nitride and a second side wall spacer 15 composed of silicon oxide. Then, in the selecting MISFET Qs in the DRAM memory cell area there are opened connecting holes 19 and 21 in a self-matching manner with respect to the first side wall spacers 14 and connecting portion is formed connecting a conductor 20 to a bit line BL. In addition, in the N channel MISFETs Qn1 and Qn2, and in the P channel MISFET Qp1 in areas other than the DRAM memory cell area, high density N-type semiconductor areas 16 and 16b are formed, as well as a high density P-type semiconductor area 17 is formed in a self-matching manner with respect to the second side wall spacers 15.

摘要翻译： 用于半导体集成电路的技术允许每个DRAM存储单元被细分，以便更高度地集成并且操作更快。 在制造这样的半导体集成电路的方法中，首先，在半导体衬底1的主表面上经由栅极绝缘膜6形成栅电极7，并且在每个栅电极的侧表面上形成第一 由氮化硅构成的侧壁隔板14和由氧化硅构成的第二侧壁间隔物15。 然后，在DRAM存储单元区域中的选择MISFET Qs中，相对于第一侧壁间隔件14以自匹配的方式打开连接孔19和21，并且连接部分形成为将导体20连接到位线BL 。 此外，在N沟道MISFET Qn1和Qn2以及在DRAM存储单元区域以外的区域中的P沟道MISFET Qp1中，形成高密度N型半导体区域16和16b以及高密度P- 型半导体区域17相对于第二侧壁间隔件15以自匹配的方式形成。

公开(公告)号：US06800888B2

公开(公告)日：2004-10-05

申请号：US10759238

申请日：2004-01-20

申请人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

发明人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

IPC分类号： H01L2976

CPC分类号： H01L27/10852 ,  H01L27/105 ,  H01L27/10814 ,  H01L27/10855 ,  H01L27/10873 ,  H01L27/10888 ,  H01L27/10894 ,  Y10S257/90

摘要： A technology for a semiconductor integrated circuitry allows each of the DRAM memory cells to be divided finely so as to be more highly integrated and operate faster. In a method of manufacturing such a semiconductor integrated circuit, at first, gate electrodes 7 are formed via a gate insulating film 6 on the main surface of a semiconductor substrate 1, and on side surfaces of each of the gate electrodes there is formed a first side wall spacer 14 composed of silicon nitride and a second side wall spacer 15 composed of silicon oxide. Then, in the selecting MISFET Qs in the DRAM memory cell area there are opened connecting holes 19 and 21 in a self-matching manner with respect to the first side wall spacers 14 and connecting portion is formed connecting a conductor 20 to a bit line BL. In addition, in the N channel MISFETs Qn1 and Qn2, and in the P channel MISFET Qp1 in areas other than the DRAM memory cell area, high density N-type semiconductor areas 16 and 16b are formed, as well as a high density P-type semiconductor area 17 is formed in a self-matching manner with respect to the second side wall spacers 15.

公开(公告)号：US06503794B1

公开(公告)日：2003-01-07

申请号：US09381345

申请日：1999-09-20

申请人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

发明人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

IPC分类号： H01L218242

CPC分类号： H01L27/10852 ,  H01L27/105 ,  H01L27/10814 ,  H01L27/10855 ,  H01L27/10873 ,  H01L27/10888 ,  H01L27/10894 ,  Y10S257/90

摘要： It is an object of the present invention to provide a technology of a semiconductor integrated circuitry that allows each of the DRAM memory cells to be divided finely so as to be more highly integrated and operated faster. In a method for manufacturing such a semiconductor integrated circuitry of the present invention, at first, gate electrodes 7 are formed via a gate insulating film 6 on the main surface of a semiconductor substrate 1, and on side surfaces of each of the gate electrodes is formed the first side wall spacer 14 composed of silicon nitride and the second side wall spacer 15 composed of silicon oxide. Then, in the selecting MISFET Qs in the DRAM memory cell area are opened connecting holes 19 and 21 in a self-matching manner with respect to the first side wall spacers 14 and are formed connecting portion connecting a conductor 20 to a bit line BL. In addition, in the N channel MISFETs Qn1 and Qn2, and in the P channel MISFET Qp1 in areas other than the DRAM memory cell area are formed high density N-type semiconductor areas 16 and 16b, as well as a high density P-type semiconductor area 17 in a self-matching manner with respect to the second side wall spacers 15.

摘要翻译： 本发明的一个目的是提供一种半导体集成电路的技术，该技术允许每个DRAM存储器单元被细分，以便更高集成度和更快地运行。 在本发明的这种半导体集成电路的制造方法中，首先，通过半导体基板1的主面上的栅极绝缘膜6形成栅电极7，在各栅极电极的侧面 形成由氮化硅构成的第一侧壁隔离物14和由氧化硅构成的第二侧壁隔离物15。 然后，在DRAM存储单元区域中的选择MISFET Qs中，以相对于第一侧壁隔板14的自匹配方式打开连接孔19和21，并且形成将导体20连接到位线BL的连接部分。 此外，在N沟道MISFET Qn1和Qn2中以及在DRAM存储单元区域以外的区域中的P沟道MISFET Qp1中形成高密度N型半导体区域16和16b，以及高密度P型 半导体区域17相对于第二侧壁间隔件15以自匹配的方式。

公开(公告)号：US07081649B2

公开(公告)日：2006-07-25

申请号：US10920389

申请日：2004-08-18

申请人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

发明人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

IPC分类号： H01L29/76

CPC分类号： H01L27/10852 ,  H01L27/105 ,  H01L27/10814 ,  H01L27/10855 ,  H01L27/10873 ,  H01L27/10888 ,  H01L27/10894 ,  Y10S257/90

摘要： A technology for a semiconductor integrated circuitry allows each of the DRAM memory cells to be divided finely so as to be more highly integrated and operate faster. In a method of manufacturing such a semiconductor integrated circuit, at first, gate electrodes 7 are formed via a gate insulating film 6 on the main surface of a semiconductor substrate 1, and on side surfaces of each of the gate electrodes there is formed a first side wall spacer 14 composed of silicon nitride and a second side wall spacer 15 composed of silicon oxide. Then, in the selecting MISFET Qs in the DRAM memory cell area there are opened connecting holes 19 and 21 in a self-matching manner with respect to the first side wall spacers 14 and connecting portion is formed connecting a conductor 20 to a bit line BL. In addition, in the N channel MISFETs Qn1 and Qn2, and in the P channel MISFET Qp1 in areas other than the DRAM memory cell area, high density N-type semiconductor areas 16 and 16b are formed, as well as a high density P-type semiconductor area 17 is formed in a self-matching manner with respect to the second side wall spacers 15.

摘要翻译： 用于半导体集成电路的技术允许每个DRAM存储单元被细分，以便更高度地集成并且操作更快。 在制造这样的半导体集成电路的方法中，首先，在半导体衬底1的主表面上经由栅极绝缘膜6形成栅电极7，并且在每个栅电极的侧表面上形成第一 由氮化硅构成的侧壁隔板14和由氧化硅构成的第二侧壁间隔物15。 然后，在DRAM存储单元区域中的选择MISFET Qs中，相对于第一侧壁间隔件14以自匹配的方式打开连接孔19和21，并且连接部分形成为将导体20连接到位线BL 。 此外，在N沟道MISFET Qn 1和Q n 2以及在DRAM存储单元区域以外的区域中的P沟道MISFET Qp 1中，形成高密度N型半导体区域16和16b，以及 高密度P型半导体区域17相对于第二侧壁间隔件15以自匹配的方式形成。

公开(公告)号：US06743673B2

公开(公告)日：2004-06-01

申请号：US10145810

申请日：2002-05-16

申请人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

发明人： Kozo Watanabe ,  Atsushi Ogishima ,  Masahiro Moniwa ,  Syunichi Hashimoto ,  Masayuki Kojima ,  Kiyonori Ohyu ,  Kenichi Kuroda ,  Nozomu Matsuda

IPC分类号： H01L218242

CPC分类号： H01L27/10852 ,  H01L27/105 ,  H01L27/10814 ,  H01L27/10855 ,  H01L27/10873 ,  H01L27/10888 ,  H01L27/10894 ,  Y10S257/90

摘要： A technology for a semiconductor integrated circuitry allows each of the DRAM memory cells to be divided finely so as to be more highly integrated and operate faster. In a method of manufacturing such a semiconductor integrated circuit, at first, gate electrodes 7 are formed via a gate insulating film 6 on the main surface of a semiconductor substrate 1, and on side surfaces of each of the gate electrodes there is formed a first side wall spacer 14 composed of silicon nitride and a second side wall spacer 15 composed of silicon oxide. Then, in the selecting MISFET Qs in the DRAM memory cell area there are opened connecting holes 19 and 21 in a self-matching manner with respect to the first side wall spacers 14 and connecting portion is formed connecting a conductor 20 to a bit line BL. In addition, in the N channel MISFETs Qn1 and Qn2, and in the P channel MISFET Qp1 in areas other than the DRAM memory cell area, high density N-type semiconductor areas 16 and 16b are formed, as well as a high density P-type semiconductor area 17 is formed in a self-matching manner with respect to the second side wall spacers 15.

摘要翻译： 用于半导体集成电路的技术允许每个DRAM存储单元被细分，以便更高度地集成并且操作更快。 在制造这样的半导体集成电路的方法中，首先，在半导体衬底1的主表面上经由栅极绝缘膜6形成栅电极7，并且在每个栅电极的侧表面上形成第一 由氮化硅构成的侧壁隔板14和由氧化硅构成的第二侧壁间隔物15。 然后，在DRAM存储单元区域中的选择MISFET Qs中，相对于第一侧壁间隔件14以自匹配的方式打开连接孔19和21，并且连接部分形成为将导体20连接到位线BL 。 此外，在N沟道MISFET Qn1和Qn2以及在DRAM存储单元区域以外的区域中的P沟道MISFET Qp1中，形成高密度N型半导体区域16和16b以及高密度P- 型半导体区域17相对于第二侧壁间隔件15以自匹配的方式形成。

公开(公告)号：US07397104B2

公开(公告)日：2008-07-08

申请号：US10778081

申请日：2004-02-17

申请人： Norio Suzuki ,  Hiroyuki Ichizoe ,  Masayuki Kojima ,  Keiji Okamoto ,  Shinichi Horibe ,  Kozo Watanabe ,  Yasuko Yoshida ,  Shuji Ikeda ,  Akira Takamatsu ,  Norio Ishitsuka ,  Atsushi Ogishima ,  Maki Shimoda

发明人： Norio Suzuki ,  Hiroyuki Ichizoe ,  Masayuki Kojima ,  Keiji Okamoto ,  Shinichi Horibe ,  Kozo Watanabe ,  Yasuko Yoshida ,  Shuji Ikeda ,  Akira Takamatsu ,  Norio Ishitsuka ,  Atsushi Ogishima ,  Maki Shimoda

IPC分类号： H01L21/00

CPC分类号： H01L21/76229 ,  H01L21/76224 ,  H01L21/76232 ,  H01L27/10852 ,  H01L28/91

摘要： A semiconductor integrated circuit device is provided which includes an active region, a shallow groove isolation adjacent to the active region, and a semiconductor element formed in the active region and having a gate. The sum of a width of the active region and a width of the shallow groove isolation constitutes a minimum pitch in the direction of a gate width of the gate, and the width of the active region is set larger than one-half of the minimum pitch.

摘要翻译： 提供一种半导体集成电路器件，其包括有源区，与有源区相邻的浅槽隔离，以及形成在有源区中并具有栅极的半导体元件。 有源区的宽度和浅槽隔离的宽度的和构成栅极的栅极宽度方向上的最小间距，并且有源区的宽度被设定为大于最小间距的一半 。

公开(公告)号：US06720234B2

公开(公告)日：2004-04-13

申请号：US10366423

申请日：2003-02-14

申请人： Norio Suzuki ,  Hiroyuki Ichizoe ,  Masayuki Kojima ,  Keiji Okamoto ,  Shinichi Horibe ,  Kozo Watanabe ,  Yasuko Yoshida ,  Shuji Ikeda ,  Akira Takamatsu ,  Norio Ishitsuka ,  Atsushi Ogishima ,  Maki Shimoda

发明人： Norio Suzuki ,  Hiroyuki Ichizoe ,  Masayuki Kojima ,  Keiji Okamoto ,  Shinichi Horibe ,  Kozo Watanabe ,  Yasuko Yoshida ,  Shuji Ikeda ,  Akira Takamatsu ,  Norio Ishitsuka ,  Atsushi Ogishima ,  Maki Shimoda

IPC分类号： H01L2176

CPC分类号： H01L21/76229 ,  H01L21/76224 ,  H01L21/76232 ,  H01L27/10852 ,  H01L28/91

摘要： Grooves are defined in a substrate having device isolation regions by dry etching using silicon nitride films and side wall spacers as masks. Thereafter, the side wall spacers lying on side walls of the silicon nitride films are removed and the substrate is subjected to thermal oxidation, whereby the surface of the substrate at a peripheral portion of each active region is subjected to so-called round processing so as to have a sectional shape having a convex rounded shape.

摘要翻译： 通过使用氮化硅膜和侧壁间隔物作为掩模的干蚀刻将沟槽限定在具有器件隔离区的衬底中。 此后，除去位于氮化硅膜侧壁上的侧壁隔离物，并对衬底进行热氧化，由此在每个有源区的周边部分的衬底表面进行所谓的圆形处理，以便 具有凸形圆形的截面形状。

公开(公告)号：US06562695B1

公开(公告)日：2003-05-13

申请号：US09889018

申请日：2001-07-10

申请人： Norio Suzuki ,  Hiroyuki Ichizoe ,  Masayuki Kojima ,  Keiji Okamoto ,  Shinichi Horibe ,  Kozo Watanabe ,  Yasuko Yoshida ,  Shuji Ikeda ,  Akira Takamatsu ,  Norio Ishitsuka ,  Atsushi Ogishima ,  Maki Shimoda

发明人： Norio Suzuki ,  Hiroyuki Ichizoe ,  Masayuki Kojima ,  Keiji Okamoto ,  Shinichi Horibe ,  Kozo Watanabe ,  Yasuko Yoshida ,  Shuji Ikeda ,  Akira Takamatsu ,  Norio Ishitsuka ,  Atsushi Ogishima ,  Maki Shimoda

IPC分类号： H01L2176

CPC分类号： H01L21/76229 ,  H01L21/76224 ,  H01L21/76232 ,  H01L27/10852 ,  H01L28/91

摘要： Grooves are defined in a substrate having device isolation regions by dry etching using silicon nitride films and side wall spacers as masks. Thereafter, the side wall spacers lying on side walls of the silicon nitride films are removed and the substrate is subjected to thermal oxidation, whereby the surface of the substrate at a peripheral portion of each active region is subjected to so-called round processing so as to have a sectional shape having a convex rounded shape.

摘要翻译： 通过使用氮化硅膜和侧壁间隔物作为掩模的干蚀刻将沟槽限定在具有器件隔离区的衬底中。 此后，除去位于氮化硅膜侧壁上的侧壁隔离物，并对衬底进行热氧化，由此在每个有源区的周边部分的衬底表面进行所谓的圆形处理，以便 具有凸形圆形的截面形状。

公开(公告)号：US06734479B1

公开(公告)日：2004-05-11

申请号：US09452173

申请日：1999-12-01

申请人： Atsushi Ogishima ,  Kiyonori Ohyu

发明人： Atsushi Ogishima ,  Kiyonori Ohyu

IPC分类号： H01L27108

CPC分类号： H01L21/76838 ,  H01L27/10814 ,  H01L27/10873 ,  H01L27/10894 ,  H01L28/91

摘要： In a semiconductor integrated circuit device having a memory cell which includes a MIS.FET and a capacitance element, the conductivity type of a low-resistance polysilicon film which constitutes the gate electrode (5g) of the memory cell selecting MIS.FET (Q) of n-channel type constituting the memory cell is set at p+-type in order to enhance the refresh characteristics of the memory cell.

摘要翻译： 在具有包括MIS.FET和电容元件的存储单元的半导体集成电路器件中，构成存储单元选择MIS.FET（Q）的栅电极（5g）的低电阻多晶硅膜的导电类型， 构成存储单元的n沟道类型被设置为p +类型，以便增强存储单元的刷新特性。

公开(公告)号：US5917211A

公开(公告)日：1999-06-29

申请号：US979543

申请日：1997-11-25

申请人： Jun Murata ,  Yoshitaka Tadaki ,  Hiroko Kaneko ,  Toshihiro Sekiguchi ,  Hiroyuki Uchiyama ,  Hisashi Nakamura ,  Toshio Maeda ,  Osamu Kasahara ,  Hiromichi Enami ,  Atsushi Ogishima ,  Masaki Nagao ,  Michimasa Funabashi ,  Yasuo Kiguchi ,  Masayuki Kojima ,  Atsuyoshi Koike ,  Hiroyuki Miyazawa ,  Masato Sadaoka ,  Kazuya Kadota ,  Tadashi Chikahara ,  Kazuo Nojiri ,  Yutaka Kobayashi

发明人： Jun Murata ,  Yoshitaka Tadaki ,  Hiroko Kaneko ,  Toshihiro Sekiguchi ,  Hiroyuki Uchiyama ,  Hisashi Nakamura ,  Toshio Maeda ,  Osamu Kasahara ,  Hiromichi Enami ,  Atsushi Ogishima ,  Masaki Nagao ,  Michimasa Funabashi ,  Yasuo Kiguchi ,  Masayuki Kojima ,  Atsuyoshi Koike ,  Hiroyuki Miyazawa ,  Masato Sadaoka ,  Kazuya Kadota ,  Tadashi Chikahara ,  Kazuo Nojiri ,  Yutaka Kobayashi

IPC分类号： H01L21/8234 ,  H01L27/105 ,  H01L27/08 ,  H01L29/76 ,  H01L29/94

CPC分类号： H01L27/105 ,  H01L21/823425

摘要： A semiconductor integrated circuit comprising first n-channel MISFETs constituting the memory cells of a storage system, second n-channel MISFETs constituting the peripheral circuits of the storage system, and third n-channel MISFETs constituting the output circuit among the peripheral circuits. The respective threshold voltages of the first n-channel MISFETs, the second n-channel MISFETs and the third n-channel MISFETs are decreased in that order when the respective gate lengths of those MISFETs are substantially the same.

摘要翻译： 一种半导体集成电路，包括构成存储系统的存储单元的第一n沟道MISFET，构成存储系统的外围电路的第二n沟道MISFET和构成外围电路中的输出电路的第三n沟道MISFET。 当这些MISFET的各个栅极长度基本相同时，第一n沟道MISFET，第二n沟道MISFET和第三n沟道MISFET的阈值电压依次减小。