METHOD FOR MAKING SEMICONDUCTOR DEVICE WITH ISOLATION PILLARS BETWEEN ADJACENT SEMICONDUCTOR FINS
    35.
    发明申请
    METHOD FOR MAKING SEMICONDUCTOR DEVICE WITH ISOLATION PILLARS BETWEEN ADJACENT SEMICONDUCTOR FINS 有权
    用于制造具有相邻半导体器件之间的隔离支架的半导体器件的方法

    公开(公告)号:US20150357439A1

    公开(公告)日:2015-12-10

    申请号:US14295618

    申请日:2014-06-04

    Abstract: A method for making a semiconductor device may include forming, above a substrate, a plurality of laterally spaced-apart semiconductor fins, and forming regions of a first dielectric material between the laterally spaced-apart semiconductor fins. The method may further include selectively removing at least one intermediate semiconductor fin from among the plurality of semiconductor fins to define at least one trench between corresponding regions of the first dielectric material, and forming a region of a second dielectric material different than the first dielectric in the at least one trench to provide at least one isolation pillar between adjacent semiconductor fins.

    Abstract translation: 制造半导体器件的方法可以包括在衬底之上形成多个横向间隔开的半导体鳍片,以及在横向间隔开的半导体鳍片之间形成第一电介质材料的区域。 该方法还可以包括:从多个半导体鳍片中选择性地移除至少一个中间半导体鳍片,以限定第一介电材料的相应区域之间的至少一个沟槽,以及形成与第一电介质不同的第二电介质材料的区域 所述至少一个沟槽用于在相邻的半导体鳍片之间提供至少一个隔离柱。

    SEMICONDUCTOR DEVICE PROVIDING ENHANCED FIN ISOLATION AND RELATED METHODS
    37.
    发明申请
    SEMICONDUCTOR DEVICE PROVIDING ENHANCED FIN ISOLATION AND RELATED METHODS 有权
    提供加强熔融隔离的半导体器件及相关方法

    公开(公告)号:US20150115370A1

    公开(公告)日:2015-04-30

    申请号:US14068340

    申请日:2013-10-31

    Abstract: A method for making a semiconductor device may include forming a first semiconductor layer on a substrate comprising a first semiconductor material, forming a second semiconductor layer on the first semiconductor layer comprising a second semiconductor material, and forming mask regions on the second semiconductor layer and etching through the first and second semiconductor layers to define a plurality of spaced apart pillars on the substrate. The method may further include forming an oxide layer laterally surrounding the pillars and mask regions, and removing the mask regions and forming inner spacers on laterally adjacent corresponding oxide layer portions atop each pillar. The method may additionally include etching through the second semiconductor layer between respective inner spacers to define a pair of semiconductor fins of the second semiconductor material from each pillar, and removing the inner spacers and forming an oxide beneath each semiconductor fin.

    Abstract translation: 制造半导体器件的方法可以包括在包括第一半导体材料的衬底上形成第一半导体层,在包括第二半导体材料的第一半导体层上形成第二半导体层,以及在第二半导体层上形成掩模区域和蚀刻 通过第一和第二半导体层在衬底上限定多个间隔开的柱。 该方法可以进一步包括在横向围绕柱和掩模区域形成氧化物层,以及去除掩模区域并在横向相邻的每个柱顶上相应的氧化物层部分上形成内部间隔物。 该方法还可以包括通过相应的内部间隔物之间​​的第二半导体层进行蚀刻,以从每个支柱形成第二半导体材料的一对半导体鳍片,以及去除内部间隔物并在每个半导体鳍片之下形成氧化物。

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