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    • 5. 发明授权
    • Method of fabricating non-volatile memory integrated circuit device and non-volatile memory integrated circuit device fabricated using the same
    • 制造非易失性存储器集成电路器件的方法和使用其制造的非易失性存储器集成电路器件
    • US08030150B2
    • 2011-10-04
    • US12397543
    • 2009-03-04
    • Byoung-ho KwonChang-ki HongBo-un YoonJun-yong Kim
    • Byoung-ho KwonChang-ki HongBo-un YoonJun-yong Kim
    • H01L21/8238
    • H01L27/11568H01L27/105H01L27/11526H01L27/11529
    • A method of fabricating a non-volatile memory integrated circuit device and a non-volatile memory integrated circuit device fabricated by using the method are provided. A device isolation region is formed in a substrate to define a cell array region and a peripheral circuit region. A plurality of first and second pre-stacked gate structures is formed in the cell array region, and each has a structure in which a lower structure, a conductive pattern and a first sacrificial layer pattern are stacked. Junction regions are formed in the cell array region. Spacers are formed on side walls of the first and second pre-stacked gate structures. A second sacrificial layer pattern filling each space between the second pre-stacked gate structures is formed. The first sacrificial layer pattern is removed from each of the first and second pre-stacked gate structures. A damascene metal layer pattern is formed in each of spaces of the first and second pre-stacked gate structures from which the first sacrificial layer pattern is removed, thus completing first and second stacked gate structures. The second sacrificial layer pattern is removed. A stop layer is formed on top surfaces of the first stacked gate structures, top surfaces and side walls of the second stacked gate structures, and a top surface of the substrate.
    • 提供了一种制造使用该方法制造的非易失性存储器集成电路器件和非易失性存储器集成电路器件的方法。 器件隔离区域形成在衬底中以限定电池阵列区域和外围电路区域。 在单元阵列区域中形成多个第一和第二预叠层栅极结构,并且每个都具有堆叠下部结构,导电图案和第一牺牲层图案的结构。 结区域形成在单元阵列区域中。 间隔件形成在第一和第二预堆叠栅极结构的侧壁上。 形成填充第二预堆叠栅极结构之间的每个空间的第二牺牲层图案。 第一牺牲层图案从第一和第二预堆叠栅极结构中的每一个去除。 在第一和第二预堆叠栅极结构的每个空间中形成镶嵌金属层图案,从中去除第一牺牲层图案,从而完成第一和第二堆叠栅极结构。 去除第二牺牲层图案。 在第一层叠栅极结构的顶表面,第二堆叠栅结构的顶表面和侧壁以及衬底的顶表面上形成停止层。
    • 9. 发明授权
    • Method of fabricating a semiconductor device comprising high and low density patterned contacts
    • 制造包括高和低密度图案化触点的半导体器件的方法
    • US07781330B2
    • 2010-08-24
    • US11878508
    • 2007-07-25
    • Chae-Iyoung KimChang-ki HongBo-un YoonSung-ho ShinByoung-ho Kwon
    • Chae-Iyoung KimChang-ki HongBo-un YoonSung-ho ShinByoung-ho Kwon
    • H01L21/44
    • H01L21/76816H01L21/0337H01L21/0338H01L21/31144H01L21/7688Y10S438/947
    • Methods of fabricating a semiconductor device is provided. The methods include forming an interlayer insulating layer on a semiconductor substrate having a first region and a second region. First contact plugs may be formed on a portion of the second region to fill a plurality of first contact holes. A plurality of first contact mask layers and a plurality of first dummy mask layers may be formed on the interlayer insulating layer. The first contact mask layers may be formed in the first region. The first dummy mask layers may be formed in the second region. A plurality of second contact mask layers may be formed between two adjacent first contact mask layers. A plurality of second dummy mask layers may be formed between two adjacent first dummy mask layers. The interlayer insulating layer may be etched using the first contact mask layers and the second contact mask layers as etch stop layers to form a plurality of second contact holes through the interlayer insulating layer formed in the first region.
    • 提供制造半导体器件的方法。 所述方法包括在具有第一区域和第二区域的半导体衬底上形成层间绝缘层。 第一接触塞可以形成在第二区域的一部分上以填充多个第一接触孔。 多个第一接触掩模层和多个第一伪掩模层可以形成在层间绝缘层上。 第一接触掩模层可以形成在第一区域中。 第一虚拟掩模层可以形成在第二区域中。 可以在两个相邻的第一接触掩模层之间形成多个第二接触掩模层。 可以在两个相邻的第一虚拟掩模层之间形成多个第二虚拟掩模层。 可以使用第一接触掩模层和第二接触掩模层作为蚀刻停止层来蚀刻层间绝缘层,以形成穿过形成在第一区域中的层间绝缘层的多个第二接触孔。