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    • 23. 发明授权
    • Methods for forming a plurality of contact holes in a microelectronic device
    • 在微电子器件中形成多个接触孔的方法
    • US08501619B1
    • 2013-08-06
    • US13212065
    • 2011-08-17
    • Albert WuChien-Chuan Wei
    • Albert WuChien-Chuan Wei
    • H01L21/47
    • H01L21/76816H01L21/0337H01L21/31144
    • A method including: forming a dielectric layer over a substrate of a microelectronic device; forming a photoresist layer over the dielectric layer; performing a first exposure of the photoresist layer to permit portions of the dielectric layer to be removed at a first plurality of locations; subsequent to performing the first exposure, performing a second exposure of the photoresist layer to permit portions of the dielectric layer to be removed at a second plurality of locations different from the first plurality of locations; removing the portions of the dielectric layer at each of i) the first plurality of locations and ii) the second plurality of locations; and etching the dielectric layer at each of i) the first plurality of locations and ii) the second plurality of locations to respectively form a contact hole at each of the i) the first plurality of locations and ii) the second plurality of locations.
    • 一种方法,包括:在微电子器件的衬底上形成介电层; 在所述电介质层上形成光致抗蚀剂层; 执行光致抗蚀剂层的第一曝光以允许在第一多个位置处去除介电层的部分; 在执行第一曝光之后,进行光致抗蚀剂层的第二次曝光以允许介电层的部分在与第一多个位置不同的第二多个位置处被去除; 在i)所述第一多个位置和ii)所述第二多个位置中的每一个处去除所述介电层的所述部分; 以及在i)所述第一多个位置和ii)所述第二多个位置中蚀刻所述电介质层,以及分别在所述第一多个位置中的每一个处分别形成接触孔,以及ii)所述第二多个位置。
    • 25. 发明授权
    • Methods for forming a plurality of contact holes in a microelectric device
    • 在微电子装置中形成多个接触孔的方法
    • US08003523B1
    • 2011-08-23
    • US12767626
    • 2010-04-26
    • Albert WuChien-Chuan Wei
    • Albert WuChien-Chuan Wei
    • H01L21/475
    • H01L21/76816H01L21/0337H01L21/31144
    • A method including: forming a dielectric layer over a substrate of a microelectronic device; forming a photoresist layer over the dielectric layer; performing a first exposure of the photoresist layer to permit portions of the dielectric layer to be removed at a first plurality of locations; subsequent to performing the first exposure, performing a second exposure of the photoresist layer to permit portions of the dielectric layer to be removed at a second plurality of locations different from the first plurality of locations; removing the portions of the dielectric layer at each of i) the first plurality of locations and ii) the second plurality of locations; and etching the dielectric layer at each of i) the first plurality of locations and ii) the second plurality of locations to respectively form a contact hole at each of the i) the first plurality of locations and ii) the second plurality of locations.
    • 一种方法,包括:在微电子器件的衬底上形成介电层; 在所述电介质层上形成光致抗蚀剂层; 执行光致抗蚀剂层的第一曝光以允许在第一多个位置处去除介电层的部分; 在执行第一曝光之后,进行光致抗蚀剂层的第二次曝光以允许介电层的部分在与第一多个位置不同的第二多个位置处被去除; 在i)所述第一多个位置和ii)所述第二多个位置中的每一个处去除所述介电层的所述部分; 以及在i)所述第一多个位置和ii)所述第二多个位置中蚀刻所述电介质层,以及分别在所述第一多个位置中的每一个处分别形成接触孔,以及ii)所述第二多个位置。
    • 28. 发明授权
    • High-density contact holes
    • 高密度接触孔
    • US07704875B1
    • 2010-04-27
    • US12024784
    • 2008-02-01
    • Albert WuChien-Chuan Wei
    • Albert WuChien-Chuan Wei
    • H01L21/475
    • H01L21/76816H01L21/0337H01L21/31144
    • Methods for patterning high-density contact holes and contacts are described herein. Embodiments of the present invention provide a method comprising depositing a first dummy layer over a substrate to form a first pattern; depositing a second dummy layer over the substrate to form a second pattern, the second pattern overlapping the first pattern at a plurality of locations; etching the first and second dummy layers to form a plurality of posts at the plurality of locations; forming a dielectric layer over the substrate; and etching the posts to form a plurality of contact holes in the dielectric layer. Other embodiments may be described and claimed.
    • 本文描述了用于图案化高密度接触孔和触点的方法。 本发明的实施例提供了一种方法,包括在衬底上沉积第一虚拟层以形成第一图案; 在所述衬底上沉积第二虚拟层以形成第二图案,所述第二图案在所述多个位置处与所述第一图案重叠; 蚀刻第一和第二虚拟层以在多个位置形成多个柱; 在所述衬底上形成介电层; 并且蚀刻所述柱以在所述介电层中形成多个接触孔。 可以描述和要求保护其他实施例。