Reduction of feature critical dimensions
    1.
    发明授权
    Reduction of feature critical dimensions 有权
    减少功能关键尺寸

    公开(公告)号:US07541291B2

    公开(公告)日:2009-06-02

    申请号:US11821422

    申请日:2007-06-22

    IPC分类号: H01L21/302

    摘要: A feature in a layer is provided. A photoresist layer is formed over the layer. The photoresist layer is patterned to form photoresist features with photoresist sidewalls, where the photoresist features have a first critical dimension. A conformal layer is deposited over the sidewalls of the photoresist features to reduce the critical dimensions of the photoresist features. Features are etched into the layer, wherein the layer features have a second critical dimension, which is less than the first critical dimension.

    摘要翻译: 提供了一个图层中的一个特征。 在该层上形成光致抗蚀剂层。 光致抗蚀剂层被图案化以形成具有光致抗蚀剂侧壁的光致抗蚀剂特征,其中光致抗蚀剂特征具有第一临界尺寸。 在光致抗蚀剂特征的侧壁上沉积保形层以减少光致抗蚀剂特征的临界尺寸。 将特征蚀刻到层中,其中层特征具有小于第一临界尺寸的第二临界尺寸。

    Reduction of feature critical dimensions
    2.
    发明授权
    Reduction of feature critical dimensions 有权
    减少功能关键尺寸

    公开(公告)号:US07250371B2

    公开(公告)日:2007-07-31

    申请号:US10648953

    申请日:2003-08-26

    IPC分类号: H01L21/311

    摘要: A feature in a layer is provided. A photoresist layer is formed over the layer. The photoresist layer is patterned to form photoresist features with photoresist sidewalls, where the photoresist features have a first critical dimension. A conformal layer is deposited over the sidewalls of the photoresist features to reduce the critical dimensions of the photoresist features. Features are etched into the layer, wherein the layer features have a second critical dimension, which is less than the first critical dimension.

    摘要翻译: 提供了一个图层中的一个特征。 在该层上形成光致抗蚀剂层。 光致抗蚀剂层被图案化以形成具有光致抗蚀剂侧壁的光致抗蚀剂特征,其中光致抗蚀剂特征具有第一临界尺寸。 在光致抗蚀剂特征的侧壁上沉积保形层以减少光致抗蚀剂特征的临界尺寸。 将特征蚀刻到层中,其中层特征具有小于第一临界尺寸的第二临界尺寸。

    In-situ plug fill
    3.
    发明授权
    In-situ plug fill 有权
    现场插头填充

    公开(公告)号:US07192531B1

    公开(公告)日:2007-03-20

    申请号:US10603412

    申请日:2003-06-24

    IPC分类号: H01L21/302

    CPC分类号: H01L21/76808 H01L21/31138

    摘要: A method for forming damascene features in a dielectric layer over a barrier layer over a substrate is provided. A plurality of vias are etched in the dielectric layer to the barrier layer with a plasma etching process in the plasma processing chamber. A patterned photoresist layer is formed with a trench pattern. Within a single plasma process chamber a combination via plug deposition to form plugs in the vias over the barrier layer and trench etch is provided.

    摘要翻译: 提供了一种用于在衬底上的阻挡层上的介电层中形成镶嵌特征的方法。 在等离子体处理室中通过等离子体蚀刻工艺将多个通孔在电介质层中蚀刻到阻挡层。 形成具有沟槽图案的图案化的光致抗蚀剂层。 在单个等离子体处理室内,提供了通过插塞沉积的组合以在阻挡层上的通孔中形成插塞和沟槽蚀刻。

    Plasma in-situ treatment of chemically amplified resist
    4.
    发明授权
    Plasma in-situ treatment of chemically amplified resist 有权
    化学放大抗蚀剂的等离子体原位处理

    公开(公告)号:US07022611B1

    公开(公告)日:2006-04-04

    申请号:US10426043

    申请日:2003-04-28

    IPC分类号: H01L21/302

    CPC分类号: H01L21/0273

    摘要: A method for creating semiconductor devices by etching a layer over a wafer is provided. A photoresist layer is provided on a wafer. The photoresist layer is patterned. The wafer is placed in a process chamber. The photoresist is hardened by providing a hardening plasma containing high energy electrons in the process chamber to harden the photoresist layer, wherein the high energy electrons have a density. The layer is etched within the process chamber with an etching plasma, where a density of high energy electrons in the etching plasma is less than the density of high energy electrons in the hardening plasma.

    摘要翻译: 提供了通过在晶片上蚀刻层来制造半导体器件的方法。 在晶片上设置光致抗蚀剂层。 对光致抗蚀剂层进行图案化。 将晶片放置在处理室中。 通过在处理室中提供含有高能电子的硬化等离子体使光致抗蚀剂硬化,使光致抗蚀剂层硬化,其中高能电子具有密度。 该层在处理室内用蚀刻等离子体蚀刻,其中蚀刻等离子体中高能电子的密度小于硬化等离子体中高能电子的密度。

    Plasma in-situ treatment of chemically amplified resist
    5.
    发明授权
    Plasma in-situ treatment of chemically amplified resist 有权
    化学放大抗蚀剂的等离子体原位处理

    公开(公告)号:US07347915B1

    公开(公告)日:2008-03-25

    申请号:US11326934

    申请日:2006-01-05

    IPC分类号: H01L21/00

    CPC分类号: H01L21/0273

    摘要: A method for creating semiconductor devices by etching a layer over a wafer is provided. A photoresist layer is provided on a wafer. The photoresist layer is patterned. The wafer is placed in a process chamber. The photoresist is hardened by providing a hardening plasma containing high energy electrons in the process chamber to harden the photoresist layer, wherein the high energy electrons have a density. The layer is etched within the process chamber with an etching plasma, where a density of high energy electrons in the etching plasma is less than the density of high energy electrons in the hardening plasma.

    摘要翻译: 提供了通过在晶片上蚀刻层来制造半导体器件的方法。 在晶片上设置光致抗蚀剂层。 对光致抗蚀剂层进行图案化。 将晶片放置在处理室中。 通过在处理室中提供含有高能电子的硬化等离子体使光致抗蚀剂硬化,使光致抗蚀剂层硬化,其中高能电子具有密度。 该层在处理室内用蚀刻等离子体蚀刻,其中蚀刻等离子体中高能电子的密度小于硬化等离子体中高能电子的密度。

    Vertical profile fixing
    6.
    发明授权
    Vertical profile fixing 有权
    垂直型材固定

    公开(公告)号:US07682516B2

    公开(公告)日:2010-03-23

    申请号:US11244870

    申请日:2005-10-05

    IPC分类号: H01L21/302

    CPC分类号: H01L21/0273 H01L21/31144

    摘要: A method for etching features in an etch layer is provided. A patterned photoresist mask is formed over the etch layer with photoresist features with sidewalls wherein the sidewalls of the photoresist features have irregular profiles along depths of the photoresist features. The irregular profiles along the depths of the photoresist features of the sidewalls of the photoresist features are corrected comprising at least one cycle, where each cycle comprises a sidewall deposition phase and a profile shaping phase. Feature is etched into the etch layer through the photoresist features. The mask is removed.

    摘要翻译: 提供了一种用于蚀刻蚀刻层中的特征的方法。 在具有侧壁的光致抗蚀剂特征的蚀刻层上形成图案化的光致抗蚀剂掩模,其中光致抗蚀剂特征的侧壁沿光致抗蚀剂特征的深度具有不规则的轮廓。 沿光致抗蚀剂特征的侧壁的光致抗蚀剂特征的深度的不规则轮廓被校正包括至少一个循环,其中每个循环包括侧壁沉积阶段和轮廓成形阶段。 通过光致抗蚀剂特征将特征蚀刻到蚀刻层中。 去除面具。

    ETCH WITH STRIATION CONTROL
    7.
    发明申请
    ETCH WITH STRIATION CONTROL 审中-公开
    ETCH与测度控制

    公开(公告)号:US20090121324A1

    公开(公告)日:2009-05-14

    申请号:US12349142

    申请日:2009-01-06

    IPC分类号: C23F1/08 H01L29/00

    摘要: A method for etching a feature in an etch layer is provided. A patterned photoresist mask is formed over the etch layer with photoresist features with sidewalls wherein the sidewalls of the photoresist features have striations forming peaks and valleys. The striations of the sidewalls of the photoresist features are reduced. The reducing the striations comprises at least one cycle, wherein each cycle comprises etching back peaks formed by the striations of the sidewalls of the photoresist features and depositing on the sidewalls of the photoresist features. Features are etched into the etch layer through the photoresist features. The photoresist mask is removed.

    摘要翻译: 提供了蚀刻蚀刻层中的特征的方法。 在具有侧壁的光致抗蚀剂特征的蚀刻层上形成图案化的光致抗蚀剂掩模,其中光致抗蚀剂特征的侧壁具有形成峰和谷的条纹。 光致抗蚀剂特征的侧壁的条纹减小。 减小条纹包括至少一个周期,其中每个周期包括蚀刻由光致抗蚀剂特征的侧壁的条纹形成的峰,并沉积在光致抗蚀剂特征的侧壁上。 通过光致抗蚀剂特征将特征蚀刻到蚀刻层中。 去除光致抗蚀剂掩模。

    Etch features with reduced line edge roughness

    公开(公告)号:US07273815B2

    公开(公告)日:2007-09-25

    申请号:US11208098

    申请日:2005-08-18

    IPC分类号: H01L21/302

    摘要: A method for forming a feature in a layer with reduced line edge roughening is provided. A photoresist layer is formed over the layer. The photoresist layer is patterned to form photoresist features with photoresist sidewalls. A sidewall layer with a thickness less than 100 nm is formed over the sidewalls of the photoresist features by performing for a plurality of cycles. Each cycle comprises depositing a layer on the photoresist layer wherein the deposited layer has a thickness between a monolayer to 20 nm. Features are etched into the layer through the photoresist features. The photoresist layer and sidewall layer are stripped.

    Etch with striation control
    9.
    发明授权
    Etch with striation control 失效
    蚀刻与条纹控制

    公开(公告)号:US07491647B2

    公开(公告)日:2009-02-17

    申请号:US11223363

    申请日:2005-09-09

    IPC分类号: H01L21/311

    摘要: A method for etching a feature in an etch layer is provided. A patterned photoresist mask is formed over the etch layer with photoresist features with sidewalls wherein the sidewalls of the photoresist features have striations forming peaks and valleys. The striations of the sidewalls of the photoresist features are reduced. The reducing the striations comprises at least one cycle, wherein each cycle comprises etching back peaks formed by the striations of the sidewalls of the photoresist features and depositing on the sidewalls of the photoresist features. Features are etched into the etch layer through the photoresist features. The photoresist mask is removed.

    摘要翻译: 提供了蚀刻蚀刻层中的特征的方法。 在具有侧壁的光致抗蚀剂特征的蚀刻层上形成图案化的光致抗蚀剂掩模,其中光致抗蚀剂特征的侧壁具有形成峰和谷的条纹。 光致抗蚀剂特征的侧壁的条纹减小。 减小条纹包括至少一个周期,其中每个周期包括蚀刻由光致抗蚀剂特征的侧壁的条纹形成的峰,并沉积在光致抗蚀剂特征的侧壁上。 通过光致抗蚀剂特征将特征蚀刻到蚀刻层中。 去除光致抗蚀剂掩模。

    Method for plasma stripping using periodic modulation of gas chemistry and hydrocarbon addition
    10.
    发明授权
    Method for plasma stripping using periodic modulation of gas chemistry and hydrocarbon addition 有权
    使用气体化学和碳氢化合物加成的周期调制的等离子体剥离方法

    公开(公告)号:US07294580B2

    公开(公告)日:2007-11-13

    申请号:US10860833

    申请日:2004-06-03

    IPC分类号: H01L21/00

    摘要: A method for etching a feature in a low-k dielectric layer through a photoresist etch mask over a substrate. A gas-modulated cyclic stripping process is performed for more than three cycles for stripping a single photoresist mask. Each cycle of the gas-modulated cyclic stripping process comprises performing a protective layer formation phase and a stripping phase. The protective layer forming phase using first gas chemistry with a deposition gas chemistry, wherein the protective layer forming phase is performed in about 0.005 to 10 seconds for each cycle. The performing the stripping phase for stripping the photoresist mask using a second gas chemistry using a stripping gas chemistry, where the first gas chemistry is different than the second gas chemistry, wherein the etching phase is performed in about 0.005 to 10 seconds for each cycle.

    摘要翻译: 一种通过光刻胶蚀刻掩模在衬底上蚀刻低k电介质层中的特征的方法。 执行气体调制的循环剥离工艺超过三个循环以剥离单个光致抗蚀剂掩模。 气体调节循环汽提过程的每个循环包括进行保护层形成阶段和汽提阶段。 使用具有沉积气化学性质的第一气体化学物质的保护层形成阶段,其中保护层形成阶段在每个循环中以约0.005至10秒钟进行。 使用第二种气体化学法,使用剥离气体化学法,其中第一种气体化学物质与第二种气体化学物质不同,进行汽提阶段以剥离光致抗蚀剂掩模,其中每个循环在约0.005至10秒内进行蚀刻阶段。