公开(公告)号：US20110294291A1

公开(公告)日：2011-12-01

申请号：US13035546

申请日：2011-02-25

申请人： Yukiteru Matsui ,  Gaku Minamihaba ,  Hajime Eda ,  Masayoshi Iwayama ,  Minoru Amano ,  Masatoshi Yoshikawa ,  Motoyuki Sato ,  Kyoichi Suguro ,  Masako Kodera

发明人： Yukiteru Matsui ,  Gaku Minamihaba ,  Hajime Eda ,  Masayoshi Iwayama ,  Minoru Amano ,  Masatoshi Yoshikawa ,  Motoyuki Sato ,  Kyoichi Suguro ,  Masako Kodera

IPC分类号： H01L21/768

CPC分类号： H01L21/02697 ,  H01L21/3212 ,  H01L21/7684 ,  H01L21/76877 ,  H01L21/76883 ,  H01L27/228

摘要： According to one embodiment, a semiconductor device includes a switch element provided in a surface area of a semiconductor substrate, a contact plug with an upper surface and a lower surface, and a function element provided on the upper surface of the contact plug. The lower surface of the contact plug is connected to the switch element. The upper surface of the contact plug has a maximum roughness of 0.2 nm or less.

摘要翻译： 根据一个实施例，半导体器件包括设置在半导体衬底的表面区域中的开关元件，具有上表面和下表面的接触插塞以及设置在接触插塞的上表面上的功能元件。 接触插头的下表面连接到开关元件。 接触塞的上表面的最大粗糙度为0.2nm以下。

公开(公告)号：US08703004B2

公开(公告)日：2014-04-22

申请号：US13423018

申请日：2012-03-16

申请人： Yukiteru Matsui ,  Masako Kodera ,  Hiroshi Tomita ,  Gaku Minamihaba ,  Akifumi Gawase

发明人： Yukiteru Matsui ,  Masako Kodera ,  Hiroshi Tomita ,  Gaku Minamihaba ,  Akifumi Gawase

IPC分类号： C03C15/00

CPC分类号： H01L21/30625 ,  B24B37/044 ,  B24B37/24 ,  H01L21/67075 ,  H01L21/67219

摘要： According to one embodiment, a method is disclosed for chemical planarization. The method can include forming a surface layer on a to-be-processed film having irregularity. The surface layer binds to or adsorbs onto the to-be-processed film along the irregularity to suppress dissolution of the to-be-processed film. The method can include planarizing the to-be-processed film in a processing solution dissolving the to-be-processed film, by rotating the to-be-processed film and a processing body while the to-be-processed film contacting the processing body via the surface layer, removing the surface layer on convex portions of the irregularity while leaving the surface layer on concave portions of the irregularity and making dissolution degree of the convex portions larger than dissolution degree of the concave portions.

摘要翻译： 根据一个实施例，公开了用于化学平面化的方法。 该方法可以包括在具有不规则性的待处理膜上形成表面层。 表面层沿着不规则结合或吸附到待处理的膜上以抑制被处理膜的溶解。 该方法可以包括在待处理膜的处理溶液中平面化待处理膜，通过旋转待处理膜和加工体，同时待处理膜与处理体接触 通过表面层除去凹凸部的凸部的表面层，同时将表面层留在凹凸部的凹部上，使凸部的溶解度大于凹部的溶解度。

公开(公告)号：US08575030B2

公开(公告)日：2013-11-05

申请号：US13196594

申请日：2011-08-02

申请人： Gaku Minamihaba ,  Yukiteru Matsui ,  Nobuyuki Kurashima ,  Hajime Eda

发明人： Gaku Minamihaba ,  Yukiteru Matsui ,  Nobuyuki Kurashima ,  Hajime Eda

IPC分类号： H01L21/302

CPC分类号： B24B37/015 ,  B24B37/042 ,  B24B37/107 ,  B24B49/10 ,  B24B49/14 ,  H01L21/31053 ,  H01L21/3212 ,  H01L21/7684

摘要： According to one embodiment, a semiconductor device manufacturing method is disclosed. The method can include polishing a film on a semiconductor substrate by pressing the film against a polishing pad. Polishing the film comprises performing first polishing in which an entrance temperature of the polishing pad is adjusted to 40° C. (inclusive) to 50° C. (inclusive), and an exit temperature of the polishing pad is adjusted to be higher by 5° C. or more than the entrance temperature. Polishing the film comprises performing second polishing in which the entrance temperature is adjusted to 30° C. or less, and the exit temperature is adjusted to be higher by 5° C. or more than the entrance temperature.

摘要翻译： 根据一个实施例，公开了半导体器件制造方法。 该方法可以包括通过将膜压在抛光垫上来在半导体衬底上抛光膜。 抛光膜包括进行抛光垫的入口温度调节至40℃（含）至50℃（含）的第一次抛光，并将抛光垫的出口温度调节至5以上 °C或大于入口温度。 对该膜进行抛光包括进行入口温度为30℃以下的第二次研磨，将出口温度调整为5℃以上，进入温度以上。

公开(公告)号：US20130095661A1

公开(公告)日：2013-04-18

申请号：US13428163

申请日：2012-03-23

申请人： Akifumi GAWASE ,  Yukiteru Matsui ,  Gaku Minamihaba ,  Hajime Eda

发明人： Akifumi GAWASE ,  Yukiteru Matsui ,  Gaku Minamihaba ,  Hajime Eda

IPC分类号： H01L21/302 ,  B24B53/017 ,  B24B37/015 ,  B24B37/013 ,  B24B37/07

CPC分类号： H01L21/76224 ,  C09G1/02 ,  H01L21/31053

摘要： According to one embodiment, a CMP method includes starting a polishing of a silicon oxide film by using a slurry including a silicon oxide abrasive and a polishing stopper film including a silicon nitride film, and stopping the polishing when the polishing stopper is exposed. The slurry includes a first water-soluble polymer with a weight-average molecular weight of 50000 or more and 5000000 or less, and a second water-soluble polymer with a weight-average molecular weight of 1000 or more and 10000 or less.

摘要翻译： 根据一个实施例，CMP方法包括通过使用包括氧化硅研磨剂的浆料和包括氮化硅膜的抛光阻挡膜来开始研磨氧化硅膜，并且在抛光停止剂暴露时停止抛光。 浆料包括重均分子量为50000以上且5000000以下的第一水溶性聚合物和重均分子量为1000以上且10000以下的第二水溶性聚合物。

公开(公告)号：US20130040456A1

公开(公告)日：2013-02-14

申请号：US13427950

申请日：2012-03-23

申请人： Hajime EDA ,  Yukiteru Matsui ,  Gaku Minamihaba ,  Akifumi Gawase

发明人： Hajime EDA ,  Yukiteru Matsui ,  Gaku Minamihaba ,  Akifumi Gawase

IPC分类号： H01L21/768

CPC分类号： H01L21/7684 ,  H01L21/02074 ,  H01L21/3212 ,  H01L21/67219

摘要： According to one embodiment, a method of manufacturing a semiconductor device is provided. In the method, a groove is formed in a insulating film on a semiconductor substrate. An underlayer film is formed on the insulating film. A metal film is formed on the underlayer film. First polishing, in which the metal film is removed, is performed by supplying a first CMP slurry containing metal ions. The surfaces of the polishing pad and the semiconductor substrate are cleaned by supplying organic acid and pure water. Second polishing, in which the underlayer film is removed from the portion other than the groove, is performed by supplying a second CMP slurry different from the first CMP slurry.

摘要翻译： 根据一个实施例，提供一种制造半导体器件的方法。 在该方法中，在半导体衬底上的绝缘膜中形成沟槽。 在绝缘膜上形成下层膜。 在下层膜上形成金属膜。 通过提供含有金属离子的第一CMP浆料来进行其中去除金属膜的第一次抛光。 通过供给有机酸和纯水来清洗抛光垫和半导体基板的表面。 通过供给不同于第一CMP浆料的第二CMP浆料，进行从凹槽以外的部分除去下层膜的第二研磨。

公开(公告)号：US6090699A

公开(公告)日：2000-07-18

申请号：US736324

申请日：1996-10-23

申请人： Hisako Aoyama ,  Kyoichi Suguro ,  Hiromi Niiyama ,  Hitoshi Tamura ,  Hisataka Hayashi ,  Tomonori Aoyama ,  Gaku Minamihaba ,  Tadashi Iijima

发明人： Hisako Aoyama ,  Kyoichi Suguro ,  Hiromi Niiyama ,  Hitoshi Tamura ,  Hisataka Hayashi ,  Tomonori Aoyama ,  Gaku Minamihaba ,  Tadashi Iijima

IPC分类号： H01L21/3205 ,  H01L21/60 ,  H01L21/768 ,  H01L23/532 ,  H01L21/4763

CPC分类号： H01L21/76834 ,  H01L21/76801 ,  H01L21/76802 ,  H01L21/76807 ,  H01L21/7681 ,  H01L21/76814 ,  H01L21/76822 ,  H01L21/76826 ,  H01L21/76829 ,  H01L21/76831 ,  H01L21/76832 ,  H01L21/7684 ,  H01L21/76843 ,  H01L21/76847 ,  H01L21/76849 ,  H01L21/7685 ,  H01L21/76852 ,  H01L21/76856 ,  H01L21/76858 ,  H01L21/76867 ,  H01L21/76877 ,  H01L21/76885 ,  H01L21/76897 ,  H01L23/53233 ,  H01L23/53238 ,  H01L23/53242 ,  H01L23/53247 ,  H01L23/53252 ,  H01L23/5329 ,  H01L23/53295 ,  H01L2221/1036 ,  H01L2924/0002 ,  Y10S257/915

摘要： A method of making a semiconductor device includes a semiconductor substrate in which a semiconductor element is formed, an interlayer insulating film formed on the semiconductor substrate, an insulating barrier layer, formed on the interlayer insulating film by plasma nitriding, for preventing diffusion of a metal constituting a wiring layer, a conductive barrier layer, formed on the insulating barrier layer, for preventing diffusion of the metal, and a wiring layer formed of the metal on the conductive barrier layer. A bottom portion of the wiring layer is protected by the conductive barrier layer and the insulating barrier layer. Therefore, the diffusion of the metal constituting the wiring layer can be surely prevented.

摘要翻译： 制造半导体器件的方法包括其中形成半导体元件的半导体衬底，形成在半导体衬底上的层间绝缘膜，通过等离子体氮化形成在层间绝缘膜上的用于防止金属扩散的绝缘阻挡层 构成布线层，形成在绝缘阻挡层上的用于防止金属扩散的导电阻挡层，以及由金属形成的布线层在导电阻挡层上。 布线层的底部由导电阻挡层和绝缘阻挡层保护。 因此，可以可靠地防止构成布线层的金属的扩散。

公开(公告)号：US06794286B2

公开(公告)日：2004-09-21

申请号：US09558053

申请日：2000-04-26

申请人： Hisako Aoyama ,  Kyoichi Suguro ,  Hiromi Niiyama ,  Hitoshi Tamura ,  Hisataka Hayashi ,  Tomonori Aoyama ,  Gaku Minamihaba ,  Tadashi Iijima

发明人： Hisako Aoyama ,  Kyoichi Suguro ,  Hiromi Niiyama ,  Hitoshi Tamura ,  Hisataka Hayashi ,  Tomonori Aoyama ,  Gaku Minamihaba ,  Tadashi Iijima

IPC分类号： H01L214763

CPC分类号： H01L21/76834 ,  H01L21/76801 ,  H01L21/76802 ,  H01L21/76807 ,  H01L21/7681 ,  H01L21/76813 ,  H01L21/76814 ,  H01L21/76826 ,  H01L21/76829 ,  H01L21/76831 ,  H01L21/76832 ,  H01L21/7684 ,  H01L21/76843 ,  H01L21/76847 ,  H01L21/76849 ,  H01L21/7685 ,  H01L21/76852 ,  H01L21/76856 ,  H01L21/76858 ,  H01L21/76867 ,  H01L21/76877 ,  H01L21/76885 ,  H01L21/76897 ,  H01L23/53233 ,  H01L23/53238 ,  H01L23/53242 ,  H01L23/53247 ,  H01L23/53252 ,  H01L23/5329 ,  H01L23/53295 ,  H01L2221/1036 ,  H01L2924/0002 ,  Y10S257/915 ,  H01L2924/00

摘要： A semiconductor device comprises a semiconductor substrate in which a semiconductor element is formed, an interlayer insulating film formed on the semiconductor substrate, an insulating barrier layer, formed on the interlayer insulating film by plasma nitriding, for preventing diffusion of a metal constituting a wiring layer, a conductive barrier layer, formed on the insulating barrier layer, for preventing diffusion of the metal, and a wiring layer formed of the metal on the conductive barrier layer. A bottom portion of the wiring layer is protected by the conductive barrier layer and the insulating barrier layer. Therefore, the diffusion of the metal constituting the wiring layer can be surely prevented.

摘要翻译： 半导体器件包括其中形成半导体元件的半导体衬底，形成在半导体衬底上的层间绝缘膜，通过等离子体氮化形成在层间绝缘膜上的绝缘阻挡层，用于防止构成布线层的金属的扩散 形成在绝缘阻挡层上的用于防止金属扩散的导电阻挡层，以及由金属形成的布线层在导电阻挡层上。 布线层的底部由导电阻挡层和绝缘阻挡层保护。 因此，可以可靠地防止构成布线层的金属的扩散。

公开(公告)号：US5592024A

公开(公告)日：1997-01-07

申请号：US330998

申请日：1994-10-28

申请人： Hisako Aoyama ,  Kyoichi Suguro ,  Hiromi Niiyama ,  Hitoshi Tamura ,  Hisataka Hayashi ,  Tomonori Aoyama ,  Gaku Minamihaba ,  Tadashi Iijima

发明人： Hisako Aoyama ,  Kyoichi Suguro ,  Hiromi Niiyama ,  Hitoshi Tamura ,  Hisataka Hayashi ,  Tomonori Aoyama ,  Gaku Minamihaba ,  Tadashi Iijima

IPC分类号： H01L21/3205 ,  H01L21/60 ,  H01L21/768 ,  H01L23/532 ,  H01L23/535 ,  H01L29/41 ,  H01L29/43

CPC分类号： H01L21/76834 ,  H01L21/76801 ,  H01L21/76802 ,  H01L21/76807 ,  H01L21/7681 ,  H01L21/76814 ,  H01L21/76822 ,  H01L21/76826 ,  H01L21/76829 ,  H01L21/76831 ,  H01L21/76832 ,  H01L21/7684 ,  H01L21/76843 ,  H01L21/76847 ,  H01L21/76849 ,  H01L21/7685 ,  H01L21/76852 ,  H01L21/76856 ,  H01L21/76858 ,  H01L21/76867 ,  H01L21/76877 ,  H01L21/76885 ,  H01L21/76897 ,  H01L23/53233 ,  H01L23/53238 ,  H01L23/53242 ,  H01L23/53247 ,  H01L23/53252 ,  H01L23/5329 ,  H01L23/53295 ,  H01L2221/1036 ,  H01L2924/0002 ,  Y10S257/915

摘要： A semiconductor device comprises a semiconductor substrate in which a semiconductor element is formed, an interlayer insulating film formed on the semiconductor substrate, an insulating barrier layer, formed on the interlayer insulating film by plasma nitriding, for preventing diffusion of a metal constituting a wiring layer, a conductive barrier layer, formed on the insulating barrier layer, for preventing diffusion of the metal, and a wiring layer formed of the metal on the conductive barrier layer. A bottom portion of the wiring layer is protected by the conductive barrier layer and the insulating barrier layer. Therefore, the diffusion of the metal constituting the wiring layer can be surely prevented.

摘要翻译： 半导体器件包括其中形成半导体元件的半导体衬底，形成在半导体衬底上的层间绝缘膜，通过等离子体氮化形成在层间绝缘膜上的绝缘阻挡层，用于防止构成布线层的金属的扩散 形成在绝缘阻挡层上的用于防止金属扩散的导电阻挡层，以及由金属形成的布线层在导电阻挡层上。 布线层的底部由导电阻挡层和绝缘阻挡层保护。 因此，可以可靠地防止构成布线层的金属的扩散。

公开(公告)号：US08480915B2

公开(公告)日：2013-07-09

申请号：US13236229

申请日：2011-09-19

申请人： Gaku Minamihaba ,  Yukiteru Matsui

发明人： Gaku Minamihaba ,  Yukiteru Matsui

IPC分类号： B44C1/22 ,  C03C15/00 ,  C03C25/68 ,  C23F1/00

CPC分类号： B24B57/02 ,  B24B37/044 ,  C09G1/02 ,  H01L21/31053 ,  H01L21/76224

摘要： According to one embodiment, the method of manufacturing a semiconductor device includes contacting a film formed on a semiconductor substrate with a rotating polishing pad which is supported on a turntable, and feeding polishing foam to a region of the polishing pad with which the film is contacted, thereby polishing the film. The polishing foam is obtained by turning the aqueous dispersion into a foamy body. The aqueous dispersion includes 0.01-20% by mass of abrasive grain and 0.01-1% by mass of foam forming and retaining agent, all based on a total mass of the aqueous dispersion.

摘要翻译： 根据一个实施例，制造半导体器件的方法包括使形成在半导体衬底上的膜与支撑在转台上的旋转抛光垫接触，并将抛光泡沫馈送到与其接触的抛光垫的区域 ，从而研磨膜。 抛光泡沫是通过将水性分散体转化为泡沫体而获得的。 所述水分散体包含0.01〜20质量％的磨粒和0.01〜1质量％的泡沫形成保持剂，全部以水分散体的总质量为基准。

公开(公告)号：US20120258597A1

公开(公告)日：2012-10-11

申请号：US13236229

申请日：2011-09-19

申请人： Gaku Minamihaba ,  Yukiteru Matsui

发明人： Gaku Minamihaba ,  Yukiteru Matsui

IPC分类号： H01L21/304 ,  H01L21/306 ,  B24B41/06

CPC分类号： B24B57/02 ,  B24B37/044 ,  C09G1/02 ,  H01L21/31053 ,  H01L21/76224

摘要： According to one embodiment, the method of manufacturing a semiconductor device includes contacting a film formed on a semiconductor substrate with a rotating polishing pad which is supported on a turntable, and feeding polishing foam to a region of the polishing pad with which the film is contacted, thereby polishing the film. The polishing foam is obtained by turning the aqueous dispersion into a foamy body. The aqueous dispersion includes 0.01-20% by mass of abrasive grain and 0.01-1% by mass of foam forming and retaining agent, all based on a total mass of the aqueous dispersion.

摘要翻译： 根据一个实施例，制造半导体器件的方法包括使形成在半导体衬底上的膜与支撑在转台上的旋转抛光垫接触，并将抛光泡沫馈送到与其接触的抛光垫的区域 ，从而研磨膜。 抛光泡沫是通过将水性分散体转化为泡沫体而获得的。 所述水分散体包含0.01〜20质量％的磨粒和0.01〜1质量％的泡沫形成保持剂，全部以水分散体的总质量为基准。