Metal silicide etch resistant plasma etch method
    1.
    发明授权
    Metal silicide etch resistant plasma etch method 失效
    金属硅化物抗蚀刻等离子体蚀刻方法

    公开(公告)号:US06706640B1

    公开(公告)日:2004-03-16

    申请号:US10292355

    申请日:2002-11-12

    IPC分类号: H01L21302

    摘要: A plasma etch method for etching a dielectric layer and an etch stop layer to reach a metal silicide layer formed thereunder employs for etching the etch stop layer an etchant gas composition comprising a fluorine containing gas and a nitrogen containing gas, preferably with a carrier gas such as argon or helium, but without an oxygen containing gas or a carbon and oxygen containing gas. The plasma etch method is selective for the etch stop layer with respect to the metal silicide layer, thus maintaining the physical and electrical integrity of the metal silicide layer.

    摘要翻译: 用于蚀刻介电层和蚀刻停止层以达到其下形成的金属硅化物层的等离子体蚀刻方法用于蚀刻蚀刻停止层包括含氟气体和含氮气体的蚀刻剂气体组合物,优选地使用载气如 作为氩或氦,但不含含氧气体或含碳和氧的气体。 等离子体蚀刻方法对于蚀刻停止层相对于金属硅化物层是选择性的,从而保持金属硅化物层的物理和电气完整性。

    Bi-layer photoresist method for forming high resolution semiconductor features
    2.
    发明授权
    Bi-layer photoresist method for forming high resolution semiconductor features 失效
    用于形成高分辨率半导体特征的双层光致抗蚀剂方法

    公开(公告)号:US06787455B2

    公开(公告)日:2004-09-07

    申请号:US10032353

    申请日:2001-12-21

    IPC分类号: H01L214763

    摘要: A method for semiconductor device feature development using a bi-layer photoresist including providing a non-silicon containing photoresist layer over a substrate; providing a silicon containing photoresist over the non-silicon containing photoresist layer; exposing said silicon containing photoresist layer to an activating light source an exposure surface defined by an overlying pattern according to a photolithographic process; developing said silicon containing photoresist layer according to a photolithographic process to reveal a portion the non-silicon containing photoresist layer; and, dry developing said non-silicon containing photoresist layer in a plasma reactor by igniting a plasma from an ambient mixture including at least oxygen, carbon monoxide, and argon.

    摘要翻译: 一种使用双层光致抗蚀剂的半导体器件特征显影的方法,包括在衬底上提供不含硅的光致抗蚀剂层; 在含硅光致抗蚀剂层上提供含硅光致抗蚀剂; 将所述含硅光致抗蚀剂层暴露于激活光源,根据光刻工艺由覆盖图案限定的曝光表面; 根据光刻工艺显影所述含硅光致抗蚀剂层以露出含有非硅的光致抗蚀剂层的一部分; 以及通过从包括至少氧,一氧化碳和氩的环境混合物点燃等离子体,在等离子体反应器中干燥显影所述不含硅的光致抗蚀剂层。

    Contact hole structures and contact structures and fabrication methods thereof
    3.
    发明申请
    Contact hole structures and contact structures and fabrication methods thereof 有权
    接触孔结构及接触结构及其制造方法

    公开(公告)号:US20060154478A1

    公开(公告)日:2006-07-13

    申请号:US11035325

    申请日:2005-01-12

    IPC分类号: H01L21/4763

    CPC分类号: H01L21/76802 H01L21/76835

    摘要: Methods and structures for forming a contact hole structure are disclosed. These methods first form a substantially silicon-free material layer over a substrate. A material layer is formed over the substantially silicon-free material layer. A contact hole is formed within the substantially silicon-free material layer and the material layer without substantially damaging the substrate. In addition, a conductive layer is formed in the contact hole so as to form a contact structure.

    摘要翻译: 公开了形成接触孔结构的方法和结构。 这些方法首先在衬底上形成基本上无硅的材料层。 在基本无硅材料层上形成材料层。 在基本无硅的材料层和材料层内形成接触孔,而基本上不损坏衬底。 此外,在接触孔中形成导电层以形成接触结构。

    Methods for improving sheet resistance of silicide layer after removal of etch stop layer
    4.
    发明授权
    Methods for improving sheet resistance of silicide layer after removal of etch stop layer 失效
    去除蚀刻停止层之后提高硅化物层的薄层电阻的方法

    公开(公告)号:US06838381B2

    公开(公告)日:2005-01-04

    申请号:US10329598

    申请日:2002-12-26

    摘要: A method of manufacturing a semiconductor device is provided. A nickel silicide layer (e.g., NiSi) is formed on a substrate. Next, a hydrogen plasma treatment may be performed on the silicide layer, which may induce the formation of metal/silicon hydride bonds in the silicide layer. An etch stop layer is formed over the silicide layer. A dielectric layer is formed over the etch stop layer. An opening is formed in the dielectric layer. A portion of the etch stop layer is etched away at the opening to expose at least a portion of the silicide layer therebeneath. The etch chemistry mixture used during the etching step preferably includes hydrogen gas. The change in sheet resistance for the exposed silicide layer portion at the opening after the etching step, as compared to before the etching step, is preferably not greater than about 0.10 ohms/square.

    摘要翻译: 提供一种制造半导体器件的方法。 在衬底上形成硅化镍层(例如NiSi)。 接下来,可以在硅化物层上进行氢等离子体处理,这可能在硅化物层中引起金属/硅氢化物键的形成。 在硅化物层之上形成蚀刻停止层。 在蚀刻停止层上方形成介电层。 在电介质层中形成开口。 蚀刻停止层的一部分在开口处被蚀刻掉以暴露其下面的硅化物层的至少一部分。 在蚀刻步骤期间使用的蚀刻化学混合物优选包括氢气。 与蚀刻步骤之前相比,在蚀刻步骤之后的开口处的暴露的硅化物层部分的薄层电阻的变化优选不大于约0.10欧姆/平方。

    Measuring low dielectric constant film properties during processing
    5.
    发明授权
    Measuring low dielectric constant film properties during processing 有权
    在加工期间测量低介电常数膜性能

    公开(公告)号:US07400401B2

    公开(公告)日:2008-07-15

    申请号:US11096049

    申请日:2005-03-31

    IPC分类号: G01J4/00

    CPC分类号: G01N21/211

    摘要: A method and system for determining the dielectric constant of a low-k dielectric film on a production substrate include measuring the electronic component of the dielectric constant using an ellipsometer, measuring the ionic component of the dielectric constant using an IR spectrometer, measuring the overall dielectric constant using a microwave spectrometer and deriving the dipolar component of the dielectric constant. The measurements and determination are non-contact and may be carried out on a production device that is further processed following the measurements.

    摘要翻译: 用于确定制造基板上的低k电介质膜的介电常数的方法和系统包括使用椭偏仪测量介电常数的电子部件,使用IR光谱仪测量介电常数的离子分量,测量总电介质 使用微波光谱仪恒定并导出介电常数的偶极分量。 测量和确定是非接触的,并且可以在进行测量后进一步处理的生产设备上进行。

    Measuring low dielectric constant film properties during processing
    6.
    发明申请
    Measuring low dielectric constant film properties during processing 有权
    在加工期间测量低介电常数膜性能

    公开(公告)号:US20060220653A1

    公开(公告)日:2006-10-05

    申请号:US11096049

    申请日:2005-03-31

    IPC分类号: G01R31/00 G01N21/00 G01J4/00

    CPC分类号: G01N21/211

    摘要: A method and system for determining the dielectric constant of a low-k dielectric film on a production substrate include measuring the electronic component of the dielectric constant using an ellipsometer, measuring the ionic component of the dielectric constant using an IR spectrometer, measuring the overall dielectric constant using a microwave spectrometer and deriving the dipolar component of the dielectric constant. The measurements and determination are non-contact and may be carried out on a production device that is further processed following the measurements.

    摘要翻译: 用于确定制造基板上的低k电介质膜的介电常数的方法和系统包括使用椭偏仪测量介电常数的电子部件,使用IR光谱仪测量介电常数的离子分量,测量总电介质 使用微波光谱仪恒定并导出介电常数的偶极分量。 测量和确定是非接触的,并且可以在进行测量后进一步处理的生产设备上进行。

    Contact hole structures and contact structures and fabrication methods thereof
    7.
    发明授权
    Contact hole structures and contact structures and fabrication methods thereof 有权
    接触孔结构及接触结构及其制造方法

    公开(公告)号:US07875547B2

    公开(公告)日:2011-01-25

    申请号:US11035325

    申请日:2005-01-12

    IPC分类号: H01L21/4763

    CPC分类号: H01L21/76802 H01L21/76835

    摘要: Methods and structures for forming a contact hole structure are disclosed. These methods first form a substantially silicon-free material layer over a substrate. A material layer is formed over the substantially silicon-free material layer. A contact hole is formed within the substantially silicon-free material layer and the material layer without substantially damaging the substrate. In addition, a conductive layer is formed in the contact hole so as to form a contact structure.

    摘要翻译: 公开了形成接触孔结构的方法和结构。 这些方法首先在衬底上形成基本上无硅的材料层。 在基本无硅材料层上形成材料层。 在基本无硅的材料层和材料层内形成接触孔,而基本上不损坏衬底。 此外,在接触孔中形成导电层以形成接触结构。

    Method for forming integrated advanced semiconductor device using sacrificial stress layer
    10.
    发明申请
    Method for forming integrated advanced semiconductor device using sacrificial stress layer 有权
    使用牺牲应力层形成集成先进半导体器件的方法

    公开(公告)号:US20060099745A1

    公开(公告)日:2006-05-11

    申请号:US10981925

    申请日:2004-11-05

    IPC分类号: H01L21/84 H01L21/00

    摘要: An integrated advanced method for forming a semiconductor device utilizes a sacrificial stress layer as part of a film stack that enables spatially selective silicide formation in the device. The low-resistance portion of the device to be silicided includes NMOS transistors and PMOS transistors. The stressed film may be a tensile or compressive nitride film. An annealing process is carried out prior to the silicide formation process. During the annealing process, the stressed nitride film preferentially remains over either the NMOS transistors or PMOS transistors, but not both, to optimize device performance. A tensile nitride film remains over the NMOS transistors but not the PMOS transistors while a compressive nitride film remains over the PMOS transistors but not the NMOS transistors, during anneal.

    摘要翻译: 用于形成半导体器件的集成先进方法利用牺牲应力层作为薄膜堆叠的一部分,其能够在器件中形成空间选择性硅化物。 要被硅化的器件的低电阻部分包括NMOS晶体管和PMOS晶体管。 应力膜可以是拉伸或压缩氮化物膜。 在硅化物形成工艺之前进行退火处理。 在退火过程中,应力氮化物膜优先保留在NMOS晶体管或PMOS晶体管之上,但不能同时保持在两者上,以优化器件性能。 在退火期间,拉伸氮化物膜保留在NMOS晶体管上,而不是PMOS晶体管,而压电氮化物膜保留在PMOS晶体管上,而不保留在NMOS晶体管上。