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    • 2. 发明授权
    • Method of forming metal interconnection using plating and semiconductor device manufactured by the method
    • 使用该方法制造的使用电镀和半导体器件形成金属互连的方法
    • US06610596B1
    • 2003-08-26
    • US09662120
    • 2000-09-14
    • Jong-won LeeBo-un YoonKun-tack LeeSang-rok Hah
    • Jong-won LeeBo-un YoonKun-tack LeeSang-rok Hah
    • H01L2144
    • H01L21/7684H01L21/76879
    • A method is provided for forming a metal interconnection using a plating process, which can improve the throughput and reliability of semiconductor devices by decreasing the required polishing in a chemical mechanical polishing process. A semiconductor device manufactured by this method is also provided. In the method of forming a metal interconnection, a recess region is formed in a portion of an insulation layer formed over a substrate, i.e., where a metal interconnection layer will be formed. A diffusion prevention layer is formed over the substrate, the insulation layer, and the recess region. Then, a metal seed layer is formed over the diffusion prevention layer only in the recess region using a chemical mechanical polishing process or an etch back process. A conductive plating layer is then formed on the metal seed layer only in the recess region. Thereafter, surface polarization is performed to form a metal interconnection layer in the recess region. The plating layer may be formed after forming the seed layer only in the bottom portion of the recess region.
    • 提供了一种使用电镀工艺形成金属互连的方法,其可以通过减少化学机械抛光工艺中所需的抛光来提高半导体器件的生产能力和可靠性。 还提供了通过该方法制造的半导体器件。 在形成金属互连的方法中,在形成在基板上的绝缘层的一部分中,即将形成金属互连层的区域中形成凹陷区域。 在基板,绝缘层和凹部区域上形成扩散防止层。 然后,使用化学机械抛光工艺或回蚀工艺,仅在凹陷区域中在扩散防止层上形成金属种子层。 然后在金属种子层上仅在凹陷区域中形成导电镀层。 此后,进行表面极化以在凹部区域中形成金属互连层。 可以在仅在凹部的底部形成种子层之后形成镀层。
    • 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。
    • 7. 发明申请
    • 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和使用其的非易失性存储器集成电路器件的方法
    • US20080017915A1
    • 2008-01-24
    • US11763137
    • 2007-06-14
    • Byoung-ho KWONChang-ki HongBo-un YoonJun-yong Kim
    • Byoung-ho KWONChang-ki HongBo-un YoonJun-yong Kim
    • H01L27/105H01L21/8229
    • 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。