Method for fabricating a bipolar transistor having self-aligned emitter contact
    34.
    发明授权
    Method for fabricating a bipolar transistor having self-aligned emitter contact 有权
    用于制造具有自对准发射极接触的双极晶体管的方法

    公开(公告)号:US09508824B2

    公开(公告)日:2016-11-29

    申请号:US14556352

    申请日:2014-12-01

    摘要: A method of producing a semiconductor device, comprising a substrate layer made of a semiconductor material of a first conductivity type and having a first insulation region, and a vertical bipolar transistor having a first vertical portion of a collector made of monocrystalline semiconductor material of a second conductivity type and disposed in an opening of the first insulation region, a second insulation region lying partly on the first vertical portion of the collector and partly on the first insulation region and having an opening in the region of the collector, in which opening a second vertical portion of the collector made of monocrystalline material is disposed, the portion including an inner region of the second conductivity type, a base made of monocrystalline semiconductor material of the first conductivity type, a base connection region surrounding the base in the lateral direction, a T-shaped emitter made of semiconductor material of the second conductivity type and overlapping the base connection region, wherein the base connection region, aside from a seeding layer adjacent the substrate or a metallization layer adjacent a base contact, consists of a semiconductor material which differs in its chemical composition from the semiconductor material of the collector, the base and the emitter and in which the majority charge carriers of the first conductivity type have greater mobility compared thereto.

    摘要翻译: 一种制造半导体器件的方法,包括由第一导电类型的半导体材料制成并具有第一绝缘区域的衬底层和垂直双极晶体管,所述垂直双极晶体管具有由第二绝缘区域的单晶半导体材料制成的集电极的第一垂直部分 导电类型并且设置在第一绝缘区域的开口中,第二绝缘区域部分地位于集电体的第一垂直部分上并且部分地位于第一绝缘区域上,并且在集电体的区域中具有开口,其中开口第二绝缘区域 设置由单晶材料制成的集电体的垂直部分,该部分包括第二导电类型的内部区域,由第一导电类型的单晶半导体材料制成的基底,在横向方向上围绕基底的基底连接区域, 由第二导电类型的半导体材料制成的T形发射体及其结构 研磨基底连接区域,其中除了与基底相邻的接种层或与基底接触相邻的金属化层之外的基底连接区域由其化学组成与收集器的半导体材料不同的半导体材料组成,基底 并且其中与其相比,第一导电类型的多数电荷载流子具有更大的迁移率。

    Bipolar junction transistor
    37.
    发明授权
    Bipolar junction transistor 有权
    双极结晶体管

    公开(公告)号:US09419076B1

    公开(公告)日:2016-08-16

    申请号:US14563363

    申请日:2014-12-08

    摘要: A bipolar junction transistor (BJT) is formed in a thin (less than about 20 nanometers) segment of a semiconductive material such as silicon where a lower portion of the semiconductive material has doping of a first conductivity type and forms a collector and an upper portion of the semiconductive material has doping of a second conductivity type and forms a base. Either a metal or a polysilicon emitter is formed on the base. An illustrative method for forming the BJT comprises forming first and second layers of a semiconductive material having first and second conductivity types, respectively; forming a hard mask on an upper surface of the second layer; using the hard mask to etch first and second channels in the semiconductive material on first and second opposing sides of the hard mask; removing the hard mask; and forming an emitter on the upper surface of the second layer.

    摘要翻译: 双极结型晶体管(BJT)形成在诸如硅的半导体材料的薄(小于约20纳米)的段中,其中半导体材料的下部具有掺杂第一导电类型并形成集电极和上部 的半导体材料具有第二导电类型的掺杂并形成基底。 在基底上形成金属或多晶硅发射体。 用于形成BJT的说明性方法包括分别形成具有第一和第二导电类型的半导体材料的第一和第二层; 在第二层的上表面上形成硬掩模; 使用硬掩模来蚀刻硬掩模的第一和第二相对侧上的半导体材料中的第一和第二通道; 去除硬面膜; 以及在所述第二层的上表面上形成发射体。

    Vertical P-Type, N-Type, P-Type (PNP) Junction Integrated Circuit (IC) Structure
    39.
    发明申请
    Vertical P-Type, N-Type, P-Type (PNP) Junction Integrated Circuit (IC) Structure 有权
    垂直P型,N型,P型(PNP)结集成电路(IC)结构

    公开(公告)号:US20160197167A1

    公开(公告)日:2016-07-07

    申请号:US15073763

    申请日:2016-03-18

    摘要: Various particular embodiments include an integrated circuit (IC) structure having: a stack region; and a silicon substrate underlying and contacting the stack region, the silicon substrate including: a silicon region including a doped subcollector region; a set of isolation regions overlying the silicon region; a base region between the set of isolation regions and below the stack region, the base region including an intrinsic base contacting the stack region, an extrinsic base contacting the intrinsic base and the stack region, and an amorphized extrinsic base contact region contacting the extrinsic base; a collector region between the set of isolation regions; an undercut collector-base region between the set of isolation regions and below the base region; and a collector contact region contacting the collector region under the intrinsic base and the collector-base region via the doped subcollector region.

    摘要翻译: 各种具体实施例包括具有堆叠区域的集成电路(IC)结构; 以及位于所述堆叠区域下方并接触的硅衬底,所述硅衬底包括:包含掺杂子集电极区域的硅区域; 一组覆盖硅区的隔离区; 所述基极区域在所述隔离区域之间并且在所述堆叠区域之下,所述基极区域包括与所述堆叠区域接触的本征基极,与所述本征基极和所述堆叠区域接触的非本征基极,以及接触所述外部基极的非晶化非本征基极接触区域 ; 在所述一组隔离区域之间的集电极区域; 在所述一组隔离区域和所述基底区域之下的底切集电极 - 基极区域; 以及通过掺杂子集电极区域与本征基极之下的集电极区域和集电极 - 基极区域接触的集电极接触区域。