Method for fabricating semiconductor device including nitrided gate insulator
    1.
    发明授权
    Method for fabricating semiconductor device including nitrided gate insulator 有权
    包括氮化栅极绝缘体的半导体器件制造方法

    公开(公告)号:US09318335B2

    公开(公告)日:2016-04-19

    申请号:US14685618

    申请日:2015-04-14

    IPC分类号: H01L21/28 H01L29/51

    摘要: A method of fabricating a semiconductor device includes forming an interface layer on a substrate, forming a first gate insulating layer having a first dielectric constant on the interface layer, forming a second gate insulating layer having a second dielectric constant smaller than the first dielectric constant on the first gate insulating layer, annealing the substrate, nitriding a resultant of the annealed first and second gate insulating layers to form a nitrided gate insulator, forming a work function control layer on the nitride gate insulator, and forming a metal gate electrode on the work function control layer. At least one of the work function control layer and the metal gate electrode is of or includes aluminum (Al).

    摘要翻译: 一种制造半导体器件的方法包括在衬底上形成界面层,在界面层上形成具有第一介电常数的第一栅极绝缘层,形成具有小于第一介电常数的第二介电常数的第二栅极绝缘层, 所述第一栅极绝缘层退火所述基板,对所述退火的第一和第二栅极绝缘层进行氮化,以形成氮化栅极绝缘体,在所述氮化物栅极绝缘体上形成功函数控制层,以及在所述工件上形成金属栅电极 功能控制层。 工作功能控制层和金属栅电极中的至少一个为铝或铝。

    METHODS OF FORMING A GATE STRUCTURE AND METHODS OF MANUFACTURING A SEMICONDUCTOR DEVICE USING THE SAME
    2.
    发明申请
    METHODS OF FORMING A GATE STRUCTURE AND METHODS OF MANUFACTURING A SEMICONDUCTOR DEVICE USING THE SAME 审中-公开
    形成门结构的方法和使用其制造半导体器件的方法

    公开(公告)号:US20120034752A1

    公开(公告)日:2012-02-09

    申请号:US13195521

    申请日:2011-08-01

    IPC分类号: H01L21/336 H01L21/02

    摘要: In a method of forming a gate structure, a gate pattern including a gate insulation layer pattern and a gate electrode sequentially stacked on a substrate is formed. The gate electrode includes a metal. A first plasma process is performed on the gate pattern using a reaction gas to reduce an oxidized edge portion of the gate electrode. The reaction gas includes nitrogen. A spacer is formed on a sidewall of the gate pattern. A threshold voltage is adjusted by reducing the oxidized edge portion of the gate electrode. Therefore, a semiconductor device including the gate pattern has excellent electrical characteristics.

    摘要翻译: 在形成栅极结构的方法中,形成包括依次层叠在基板上的栅极绝缘层图案和栅电极的栅极图案。 栅电极包括金属。 使用反应气体对栅极图案进行第一等离子体处理,以减少栅电极的氧化边缘部分。 反应气体包括氮气。 在栅极图案的侧壁上形成间隔物。 通过减小栅电极的氧化边缘部分来调节阈值电压。 因此,包括栅极图案的半导体器件具有优异的电气特性。

    Transistors with multilayered dielectric films
    3.
    发明授权
    Transistors with multilayered dielectric films 有权
    具有多层介电膜的晶体管

    公开(公告)号:US08013402B2

    公开(公告)日:2011-09-06

    申请号:US12574912

    申请日:2009-10-07

    IPC分类号: H01L21/02

    摘要: Transistors that include multilayered dielectric films on a channel region are provided. The multilayered dielectric comprises a lower dielectric film that may have a thickness that is at least 50% the thickness of the multilayered dielectric film and that comprises a metal oxide, a metal silicate, an aluminate, or a mixture thereof, and an upper dielectric film on the lower dielectric film, the upper dielectric film comprising a Group III metal oxide, Group III metal nitride, Group XIII metal oxide or Group XIII metal nitride. A gate electrode is provided on the multilayered dielectric film.

    摘要翻译: 提供了在通道区​​域上包括多层电介质膜的晶体管。 多层电介质包括下电介质膜,该电介质膜的厚度至少为多层电介质膜的厚度的50%,并且包括金属氧化物,金属硅酸盐,铝酸盐或其混合物,以及上电介质膜 在下介电膜上,上电介质膜包含III族金属氧化物,III族金属氮化物,第ⅩⅢ族金属氧化物或第ⅩⅢ族金属氮化物。 在多层电介质膜上设置栅电极。

    Methods of manufacturing a semiconductor device including CMOS transistor having different PMOS and NMOS gate electrode structures
    4.
    发明授权
    Methods of manufacturing a semiconductor device including CMOS transistor having different PMOS and NMOS gate electrode structures 有权
    制造包括具有不同PMOS和NMOS栅电极结构的CMOS晶体管的半导体器件的方法

    公开(公告)号:US07767512B2

    公开(公告)日:2010-08-03

    申请号:US12019449

    申请日:2008-01-24

    IPC分类号: H01L21/8238

    摘要: In a method of manufacturing a semiconductor device, a gate insulation layer is formed on a substrate including a first channel of a first conductive type and a second channel of a second conductive type different from the first conductive type. A first conductive layer including a first metal is formed on the gate insulation layer, and a second conductive layer including a second metal different from the first metal is formed on the first conductive layer formed over the second channel. The second conductive layer is partially removed by a wet etching process to form a second conductive layer pattern over the second channel.

    摘要翻译: 在制造半导体器件的方法中,在包括第一导电类型的第一沟道和不同于第一导电类型的第二导电类型的第二沟道的衬底上形成栅极绝缘层。 在栅极绝缘层上形成包括第一金属的第一导电层,并且在形成在第二沟道上的第一导电层上形成包括不同于第一金属的第二金属的第二导电层。 通过湿式蚀刻工艺部分去除第二导电层,以在第二通道上形成第二导电层图案。

    Dual gate CMOS semiconductor devices and methods of fabricating such devices
    6.
    发明申请
    Dual gate CMOS semiconductor devices and methods of fabricating such devices 审中-公开
    双栅极CMOS半导体器件及其制造方法

    公开(公告)号:US20070034966A1

    公开(公告)日:2007-02-15

    申请号:US11477558

    申请日:2006-06-30

    IPC分类号: H01L29/94

    摘要: Disclosed are dual gate CMOS devices and methods for fabricating such devices. The dual gate structures are produced by forming a first gate electrode having first conductive stack on transistors of a first channel type and forming a second gate electrode having a second conductive stack on transistors of a second channel type, wherein the first and second conductive stacks have different compositions for including different work functions (Φ) in the respective transistors. At least one of the first and second conductive stacks will include metal(s) and/or metal compound(s) from which, when subjected to an appropriate thermal treatment, the metal(s) will diffuse to the interface formed between in the gate dielectric layer and the gate electrode and thereby modify the electrical properties of the associated transistors as reflected in, for example, a Vfb shift.

    摘要翻译: 公开了用于制造这种器件的双栅极CMOS器件和方法。 双栅极结构通过在第一沟道型晶体管上形成具有第一导电叠层的第一栅极电极和在第二沟道型晶体管上形成具有第二导电叠层的第二栅极电极而制造,其中第一和第二导电叠层具有 用于在各个晶体管中包括不同功函数(Phi)的不同组合。 第一和第二导电叠层中的至少一个将包括金属和/或金属化合物,当经受适当的热处理时,金属将扩散到在栅极之间形成的界面 电介质层和栅电极,从而改变相关晶体管的电性能,如例如V bias偏移所反映的。

    Transistors with Multilayered Dielectric Films and Methods of Manufacturing Such Transistors
    9.
    发明申请
    Transistors with Multilayered Dielectric Films and Methods of Manufacturing Such Transistors 有权
    具有多层介质膜的晶体管及其制造方法

    公开(公告)号:US20100025781A1

    公开(公告)日:2010-02-04

    申请号:US12574912

    申请日:2009-10-07

    IPC分类号: H01L29/78 H01L21/31

    摘要: Transistors that include multilayered dielectric films on a channel region are provided. The multilayered dielectric comprises a lower dielectric film that may have a thickness that is at least 50% the thickness of the multilayered dielectric film and that comprises a metal oxide, a metal silicate, an aluminate, or a mixture thereof, and an upper dielectric film on the lower dielectric film, the upper dielectric film comprising a Group III metal oxide, Group III metal nitride, Group XIII metal oxide or Group XIII metal nitride. A gate electrode is provided on the multilayered dielectric film.

    摘要翻译: 提供了在通道区​​域上包括多层电介质膜的晶体管。 多层电介质包括下电介质膜,该电介质膜的厚度至少为多层电介质膜的厚度的50%,并且包括金属氧化物,金属硅酸盐,铝酸盐或其混合物,以及上电介质膜 在下介电膜上,上电介质膜包含III族金属氧化物,III族金属氮化物,第ⅩⅢ族金属氧化物或第ⅩⅢ族金属氮化物。 在多层电介质膜上设置栅电极。

    Transistors with multilayered dielectric films
    10.
    发明授权
    Transistors with multilayered dielectric films 有权
    具有多层介电膜的晶体管

    公开(公告)号:US07615830B2

    公开(公告)日:2009-11-10

    申请号:US11252514

    申请日:2005-10-18

    IPC分类号: H01L21/8238

    摘要: Transistors that include multilayered dielectric films on a channel region are provided. The multilayered dielectric comprises a lower dielectric film that may have a thickness that is at least 50% the thickness of the multilayered dielectric film and that comprises a metal oxide, a metal silicate, an aluminate, or a mixture thereof, and an upper dielectric film on the lower dielectric film, the upper dielectric film comprising a Group III metal oxide, Group III metal nitride, Group XIII metal oxide or Group XIII metal nitride. A gate electrode is provided on the multilayered dielectric film.

    摘要翻译: 提供了在通道区​​域上包括多层电介质膜的晶体管。 多层电介质包括下电介质膜,该电介质膜的厚度至少为多层电介质膜的厚度的50%,并且包括金属氧化物,金属硅酸盐,铝酸盐或其混合物,以及上电介质膜 在下介电膜上,上电介质膜包含III族金属氧化物,III族金属氮化物,第ⅩⅢ族金属氧化物或第ⅩⅢ族金属氮化物。 在多层电介质膜上设置栅电极。