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    • 3. 发明申请
    • Cross OD FinFET Patterning
    • 交叉OD FinFET图案
    • US20120100673A1
    • 2012-04-26
    • US13343586
    • 2012-01-04
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • H01L21/336
    • H01L21/823431H01L21/845
    • A method of forming an integrated circuit structure includes providing a semiconductor substrate; providing a first lithography mask, a second lithography mask, and a third lithography mask; forming a first mask layer over the semiconductor substrate, wherein a pattern of the first mask layer is defined using the first lithography mask; performing a first etch to the semiconductor substrate to define an active region using the first mask layer; forming a second mask layer having a plurality of mask strips over the semiconductor substrate and over the active region; forming a third mask layer over the second mask layer, wherein a middle portion of the plurality of mask strips is exposed through an opening in the third mask layer, and end portions of the plurality of mask strips are covered by the third mask layer; and performing a second etch to the semiconductor substrate through the opening.
    • 形成集成电路结构的方法包括提供半导体衬底; 提供第一光刻掩模,第二光刻掩模和第三光刻掩模; 在所述半导体衬底上形成第一掩模层,其中使用所述第一光刻掩模限定所述第一掩模层的图案; 对所述半导体衬底执行第一蚀刻以使用所述第一掩模层限定有源区; 在所述半导体衬底上并在所述有源区上形成具有多个掩模条的第二掩模层; 在所述第二掩模层上形成第三掩模层,其中所述多个掩模条的中间部分通过所述第三掩模层中的开口露出,并且所述多个掩模条的端部被所述第三掩模层覆盖; 以及通过所述开口对所述半导体衬底进行第二蚀刻。
    • 5. 发明授权
    • Cross OD FinFET patterning
    • 交叉OD FinFET图案化
    • US08796156B2
    • 2014-08-05
    • US13343586
    • 2012-01-04
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • H01L21/302
    • H01L21/823431H01L21/845
    • A method of forming an integrated circuit structure includes providing a semiconductor substrate; providing a first lithography mask, a second lithography mask, and a third lithography mask; forming a first mask layer over the semiconductor substrate, wherein a pattern of the first mask layer is defined using the first lithography mask; performing a first etch to the semiconductor substrate to define an active region using the first mask layer; forming a second mask layer having a plurality of mask strips over the semiconductor substrate and over the active region; forming a third mask layer over the second mask layer, wherein a middle portion of the plurality of mask strips is exposed through an opening in the third mask layer, and end portions of the plurality of mask strips are covered by the third mask layer; and performing a second etch to the semiconductor substrate through the opening.
    • 形成集成电路结构的方法包括提供半导体衬底; 提供第一光刻掩模,第二光刻掩模和第三光刻掩模; 在所述半导体衬底上形成第一掩模层,其中使用所述第一光刻掩模限定所述第一掩模层的图案; 对所述半导体衬底执行第一蚀刻以使用所述第一掩模层限定有源区; 在所述半导体衬底上并在所述有源区上形成具有多个掩模条的第二掩模层; 在所述第二掩模层上形成第三掩模层,其中所述多个掩模条的中间部分通过所述第三掩模层中的开口露出,并且所述多个掩模条的端部被所述第三掩模层覆盖; 以及通过所述开口对所述半导体衬底进行第二蚀刻。
    • 6. 发明授权
    • Cross OD FinFET patterning
    • 交叉OD FinFET图案化
    • US08110466B2
    • 2012-02-07
    • US12843728
    • 2010-07-26
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • H01L21/428
    • H01L21/823431H01L21/845
    • A method of forming an integrated circuit structure includes providing a semiconductor substrate; providing a first lithography mask, a second lithography mask, and a third lithography mask; forming a first mask layer over the semiconductor substrate, wherein a pattern of the first mask layer is defined using the first lithography mask; performing a first etch to the semiconductor substrate to define an active region using the first mask layer; forming a second mask layer having a plurality of mask strips over the semiconductor substrate and over the active region; forming a third mask layer over the second mask layer, wherein a middle portion of the plurality of mask strips is exposed through an opening in the third mask layer, and end portions of the plurality of mask strips are covered by the third mask layer; and performing a second etch to the semiconductor substrate through the opening.
    • 形成集成电路结构的方法包括提供半导体衬底; 提供第一光刻掩模,第二光刻掩模和第三光刻掩模; 在所述半导体衬底上形成第一掩模层,其中使用所述第一光刻掩模限定所述第一掩模层的图案; 对所述半导体衬底执行第一蚀刻以使用所述第一掩模层限定有源区; 在所述半导体衬底上并在所述有源区上形成具有多个掩模条的第二掩模层; 在所述第二掩模层上形成第三掩模层,其中所述多个掩模条的中间部分通过所述第三掩模层中的开口露出,并且所述多个掩模条的端部被所述第三掩模层覆盖; 以及通过所述开口对所述半导体衬底进行第二蚀刻。
    • 7. 发明申请
    • Cross OD FinFET Patterning
    • 交叉OD FinFET图案
    • US20110097863A1
    • 2011-04-28
    • US12843728
    • 2010-07-26
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • Ming-Feng ShiehTsung-Lin LeeChang-Yun Chang
    • H01L21/336
    • H01L21/823431H01L21/845
    • A method of forming an integrated circuit structure includes providing a semiconductor substrate; providing a first lithography mask, a second lithography mask, and a third lithography mask; forming a first mask layer over the semiconductor substrate, wherein a pattern of the first mask layer is defined using the first lithography mask; performing a first etch to the semiconductor substrate to define an active region using the first mask layer; forming a second mask layer having a plurality of mask strips over the semiconductor substrate and over the active region; forming a third mask layer over the second mask layer, wherein a middle portion of the plurality of mask strips is exposed through an opening in the third mask layer, and end portions of the plurality of mask strips are covered by the third mask layer; and performing a second etch to the semiconductor substrate through the opening.
    • 形成集成电路结构的方法包括提供半导体衬底; 提供第一光刻掩模,第二光刻掩模和第三光刻掩模; 在所述半导体衬底上形成第一掩模层,其中使用所述第一光刻掩模限定所述第一掩模层的图案; 对所述半导体衬底执行第一蚀刻以使用所述第一掩模层限定有源区; 在所述半导体衬底上并在所述有源区上形成具有多个掩模条的第二掩模层; 在所述第二掩模层上形成第三掩模层,其中所述多个掩模条的中间部分通过所述第三掩模层中的开口露出,并且所述多个掩模条的端部被所述第三掩模层覆盖; 以及通过所述开口对所述半导体衬底进行第二蚀刻。