Methods of Forming Fine Patterns In Integrated Circuits Using Atomic Layer Deposition
    1.
    发明申请
    Methods of Forming Fine Patterns In Integrated Circuits Using Atomic Layer Deposition 审中-公开
    在使用原子层沉积的集成电路中形成精细图案的方法

    公开(公告)号:US20080076070A1

    公开(公告)日:2008-03-27

    申请号:US11554324

    申请日:2006-10-30

    IPC分类号: G03F7/00

    摘要: A fine pattern is formed in an integrated circuit substrate, by forming a sacrificial pattern on the integrated circuit substrate. The sacrificial pattern includes tops and side walls. Atomic layer deposition is then performed to atomic layer deposit a mask material layer on the sacrificial pattern, including on the tops and the side walls thereof, and on the integrated circuit substrate therebetween. The mask material layer that was atomic layer deposited is then etched, to expose the top and the integrated circuit therebetween, such that a mask material pattern remains on the side walls. The sacrificial pattern is then removed, and the integrated circuit substrate is then etched through the mask material pattern that remains.

    摘要翻译: 通过在集成电路基板上形成牺牲图案,在集成电路基板上形成精细图案。 牺牲图案包括顶部和侧壁。 然后进行原子层沉积以在牺牲图案上沉积掩模材料层,包括在其顶部和侧壁上以及其间的集成电路基板上。 然后蚀刻原子层沉积的掩模材料层,以暴露其间的顶部和集成电路,使得掩模材料图案残留在侧壁上。 然后去除牺牲图案,然后通过保留的掩模材料图案蚀刻集成电路基板。

    METHOD OF FORMING A HARD MASK AND METHOD OF FORMING A FINE PATTERN OF SEMICONDUCTOR DEVICE USING THE SAME
    5.
    发明申请
    METHOD OF FORMING A HARD MASK AND METHOD OF FORMING A FINE PATTERN OF SEMICONDUCTOR DEVICE USING THE SAME 有权
    形成硬掩模的方法和使用其形成半导体器件的精细图案的方法

    公开(公告)号:US20110269294A1

    公开(公告)日:2011-11-03

    申请号:US13181655

    申请日:2011-07-13

    IPC分类号: H01L21/762

    摘要: A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.

    摘要翻译: 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。

    METHOD OF FORMING A HARD MASK AND METHOD OF FORMING A FINE PATTERN OF SEMICONDUCTOR DEVICE USING THE SAME
    6.
    发明申请
    METHOD OF FORMING A HARD MASK AND METHOD OF FORMING A FINE PATTERN OF SEMICONDUCTOR DEVICE USING THE SAME 有权
    形成硬掩模的方法和使用其形成半导体器件的精细图案的方法

    公开(公告)号:US20100197139A1

    公开(公告)日:2010-08-05

    申请号:US12759771

    申请日:2010-04-14

    IPC分类号: H01L21/311

    摘要: A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.

    摘要翻译: 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。

    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    7.
    发明授权
    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same 有权
    形成硬掩模的方法和使用其形成半导体器件的精细图案的方法

    公开(公告)号:US07732341B2

    公开(公告)日:2010-06-08

    申请号:US11727124

    申请日:2007-03-23

    IPC分类号: H01L21/302

    摘要: A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.

    摘要翻译: 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。

    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    8.
    发明授权
    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same 有权
    形成硬掩模的方法和使用其形成半导体器件的精细图案的方法

    公开(公告)号:US08278221B2

    公开(公告)日:2012-10-02

    申请号:US13181655

    申请日:2011-07-13

    IPC分类号: H01L21/331

    摘要: A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.

    摘要翻译: 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。

    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    9.
    发明授权
    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same 有权
    形成硬掩模的方法和使用其形成半导体器件的精细图案的方法

    公开(公告)号:US08003543B2

    公开(公告)日:2011-08-23

    申请号:US12759771

    申请日:2010-04-14

    IPC分类号: H01L21/302

    摘要: A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.

    摘要翻译: 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。

    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same
    10.
    发明申请
    Method of forming a hard mask and method of forming a fine pattern of semiconductor device using the same 有权
    形成硬掩模的方法和使用其形成半导体器件的精细图案的方法

    公开(公告)号:US20080090419A1

    公开(公告)日:2008-04-17

    申请号:US11727124

    申请日:2007-03-23

    IPC分类号: H01L21/311

    摘要: A method of forming hard mask employs a double patterning technique. A first hard mask layer is formed on a substrate, and a first sacrificial pattern is formed on the first hard mask layer by photolithography. Features of the first sacrificial pattern are spaced from one another by a first pitch. A second hard mask layer is then formed conformally on the first sacrificial pattern and the first hard mask layer so as to delimit recesses between adjacent features of the first sacrificial pattern. Upper portions of the second hard mask layer are removed to expose the first sacrificial pattern, and the exposed first sacrificial pattern and the second sacrificial pattern are removed. The second hard mask layer and the first hard mask layer are then etched to form a hard mask composed of residual portions of the first hard mask layer and the second hard mask layer. A fine pattern of a semiconductor device, such as a trench isolation region or a pattern of contact holes, can be formed using the hard mask as an etch mask.

    摘要翻译: 形成硬掩模的方法采用双重图案化技术。 第一硬掩模层形成在基板上,并且通过光刻在第一硬掩模层上形成第一牺牲图案。 第一牺牲图案的特征彼此间隔开第一间距。 然后在第一牺牲图案和第一硬掩模层上共形地形成第二硬掩模层,以便限定第一牺牲图案的相邻特征之间的凹部。 去除第二硬掩模层的上部以露出第一牺牲图案,并且去除暴露的第一牺牲图案和第二牺牲图案。 然后蚀刻第二硬掩模层和第一硬掩模层,以形成由第一硬掩模层和第二硬掩模层的残留部分组成的硬掩模。 可以使用硬掩模作为蚀刻掩模来形成诸如沟槽隔离区域或接触孔图案的半导体器件的精细图案。