Method of manufacturing a semiconductor device comprising SiGe HBTs
    3.
    发明授权
    Method of manufacturing a semiconductor device comprising SiGe HBTs 失效
    制造包含SiGe HBT的半导体器件的方法

    公开(公告)号:US06410395B1

    公开(公告)日:2002-06-25

    申请号:US09713865

    申请日:2000-11-16

    IPC分类号: H01L21331

    摘要: A method of manufacturing a semiconductor device comprising heterojunction bipolar transistors (HBTs), in which method a first semiconductor layer of monocrystalline silicon (5), a second semiconductor layer of monocrystalline silicon comprising 5 to 25 at. % germanium (6) and a third semiconductor layer of monocrystalline silicon (7) are successively provided on a surface (2) of a silicon wafer (1) by means of epitaxial deposition. Base zones of the transistors are formed in the second semiconductor layer. In this method, the second semiconductor layer is deposited without a base doping, said doping being formed at a later stage. Said doping can be formed by means of an ion implantation process or a VPD (Vapor Phase Doping) process. This method enables integrated circuits comprising npn-transistors as well as pnp-transistors to be manufactured.

    摘要翻译: 一种制造包括异质结双极晶体管(HBT)的半导体器件的方法,其中单晶硅的第一半导体层(5),第二半导体单晶硅的半导体层,包括5至25μm。 通过外延沉积,在硅晶片(1)的表面(2)上依次提供了锗(6)和单晶硅(7)的第三半导体层。 在第二半导体层中形成晶体管的基极区。 在该方法中,第二半导体层被沉积而不进行基底掺杂,所述掺杂在稍后阶段形成。 所述掺杂可以通过离子注入工艺或VPD(气相掺杂)工艺形成。 该方法使得能够制造包括npn晶体管的集成电路以及pnp晶体管。

    Method of manufacturing an IC comprising a plurality of bipolar transistors and IC comprising a plurality of bipolar transistors
    4.
    发明授权
    Method of manufacturing an IC comprising a plurality of bipolar transistors and IC comprising a plurality of bipolar transistors 有权
    制造包括多个双极晶体管的IC的方法和包括多个双极晶体管的IC

    公开(公告)号:US08901669B2

    公开(公告)日:2014-12-02

    申请号:US13560517

    申请日:2012-07-27

    IPC分类号: H01L29/66

    摘要: A method of manufacturing an integrated circuit comprising bipolar transistors including first and second type bipolar transistors, the method comprising providing a substrate comprising first isolation regions each separated from a second isolation region by an active region comprising a collector impurity of one of the bipolar transistors; forming a base layer stack over the substrate; forming a first emitter cap layer of a first effective thickness over the base layer stack in the areas of the first type bipolar transistor; forming a second emitter cap layer of a second effective thickness different from the first effective thickness over the base layer stack in the areas of the second type bipolar transistor; and forming an emitter over the emitter cap layer of each of the bipolar transistors. An IC in accordance with this method.

    摘要翻译: 一种制造集成电路的方法,包括包括第一和第二类型双极晶体管的双极晶体管,所述方法包括提供包括第一隔离区域的衬底,每个隔离区域与第二隔离区域分离,所述有源区域包括所述双极晶体管之一的集电极杂质; 在衬底上形成基层堆叠; 在所述第一类型双极晶体管的区域中在所述基极层堆叠上形成第一有效厚度的第一发射极盖层; 在所述第二类型双极晶体管的区域中形成与所述基极层叠层上的所述第一有效厚度不同的第二有效厚度的第二发射极帽层; 以及在每个双极晶体管的发射极盖层上形成发射极。 根据这种方法的IC。

    Method of manufacturing a semiconductor device
    7.
    发明授权
    Method of manufacturing a semiconductor device 有权
    制造半导体器件的方法

    公开(公告)号:US07794540B2

    公开(公告)日:2010-09-14

    申请号:US10539549

    申请日:2003-12-16

    摘要: Method of manufacturing a semiconductor device, in which on a region of silicon oxide (5) situated next to a region of monocrystalline silicon (4) at the surface (3) of a semiconductor body (1), a non-monocrystalline auxiliary layer (8) is formed. The auxiliary layer is formed in two steps. In the first step, the silicon body is heated in an atmosphere comprising a gaseous arsenic compound; in the second step it is heated in an atmosphere comprising a gaseous silicon compound instead of said arsenic compound. Thus, the regions of silicon oxide are provided with an amorphous or polycrystalline silicon seed layer in a self-aligned manner.

    摘要翻译: 制造半导体器件的方法,其中在位于半导体本体(1)的表面(3)的单晶硅(4)的旁边的氧化硅(5)的区域上,形成非单晶辅助层( 8)。 辅助层分两步形成。 在第一步骤中,硅体在包含气态砷化合物的气氛中加热; 在第二步中,在包含气态硅化合物的气氛中代替所述砷化合物进行加热。 因此,氧化硅区域以自对准的方式设置有非晶或多晶硅籽晶层。

    Method to reduce seedlayer topography in BICMOS process
    8.
    发明授权
    Method to reduce seedlayer topography in BICMOS process 有权
    减少BICMOS过程中种子层形貌的方法

    公开(公告)号:US07566919B2

    公开(公告)日:2009-07-28

    申请号:US10581639

    申请日:2004-12-09

    IPC分类号: H01L21/20

    摘要: A method for forming an epitaxial base layer in a bipolar device. The method comprises the steps of: providing a structure having a field isolation oxide region (12) adjacent to an active silicon region (10); forming a silicon nitride/silicon stack (14, 16) above the field isolation oxide region (12), wherein the silicon nitride/silicon stack (14, 16) includes a top layer of silicon (14) and a bottom layer of silicon nitride (16); performing an etch to the silicon nitride/silicon stack (14, 16) to form a stepped seed layer, wherein the top layer of silicon is etched laterally at the same time the bottom layer of silicon nitride is etched; and growing an Si/SiGe/Si stack (20) over the stepped seed layer and active region (10).

    摘要翻译: 一种在双极器件中形成外延基底层的方法。 该方法包括以下步骤:提供具有与有源硅区域(10)相邻的场隔离氧化物区域(12)的结构; 在所述场隔离氧化物区域(12)上形成氮化硅/硅堆叠(14,16),其中所述氮化硅/硅堆叠(14,16)包括硅顶层(14)和底层氮化硅 (16); 对所述氮化硅/硅堆叠(14,16)进行蚀刻以形成阶梯式种子层,其中在蚀刻所述底层氮化硅的同时侧向蚀刻所述硅顶层; 以及在所述阶梯式种子层和有源区域(10)上生长Si / SiGe / Si堆叠(20)。

    BIPOLAR TRANSISTOR MANUFACTURING METHOD, BIPOLAR TRANSISTOR AND INTEGRATED CIRCUIT
    9.
    发明申请
    BIPOLAR TRANSISTOR MANUFACTURING METHOD, BIPOLAR TRANSISTOR AND INTEGRATED CIRCUIT 有权
    双极晶体管制造方法,双极晶体管和集成电路

    公开(公告)号:US20130087799A1

    公开(公告)日:2013-04-11

    申请号:US13616400

    申请日:2012-09-14

    IPC分类号: H01L29/739 H01L21/331

    摘要: Disclosed is a method of manufacturing a bipolar transistor, comprising providing a substrate (10) comprising a first isolation region (12) separated from a second isolation region by an active region (11) comprising a collector impurity; forming a layer stack over said substrate, said layer stack comprising a base layer (14, 14′), a silicon capping layer (15) over said base layer and a silicon-germanium (SiGe) base contact layer (40) over said silicon capping layer; etching the SiGe base contact layer to form an emitter window (50) over the collector impurity, wherein the silicon emitter cap layer is used as etch stop layer; forming sidewall spacers (22) in the emitter window; and filling the emitter window with an emitter material (24). A bipolar transistor manufactured in accordance with this method and an IC comprising one or more of such bipolar transistors are also disclosed.

    摘要翻译: 公开了一种制造双极晶体管的方法,包括提供包括通过包括集电极杂质的有源区(11)与第二隔离区分离的第一隔离区(12)的衬底(10) 在所述衬底上形成层堆叠,所述层堆叠包括在所述基底层上方的基底层(14,14'),硅覆盖层(15)和位于所述硅上的硅 - 锗(SiGe)基底接触层(40) 盖层; 蚀刻SiGe基极接触层以在集电极杂质上形成发射极窗口(50),其中硅发射极盖层用作蚀刻停止层; 在发射器窗口中形成侧壁间隔物(22); 以及用发射体材料(24)填充发射器窗口。 还公开了根据该方法制造的双极晶体管和包括一个或多个这样的双极晶体管的IC。

    Protection diode for improved ruggedness of a radio frequency power transistor and self-defining method to manufacture such protection diode
    10.
    发明授权
    Protection diode for improved ruggedness of a radio frequency power transistor and self-defining method to manufacture such protection diode 有权
    用于改善射频功率晶体管的耐用性的保护二极管和用于制造这种保护二极管的自定义方法

    公开(公告)号:US06917077B2

    公开(公告)日:2005-07-12

    申请号:US09972576

    申请日:2001-10-05

    摘要: A semiconductor arrangement including: a substrate having a substrate layer (13) with an upper and lower surface, the substrate layer (13) being of a first conductivity type; a first buried layer (12) in the substrate, extending along said lower surface below a first portion of said upper surface of said substrate layer (13), and a second buried layer (12) in the substrate, extending along said lower surface below a second portion of said upper surface of said substrate layer (13); a first diffusion (26) in said first portion of said substrate layer (13), being of a second conductivity type opposite to said first conductivity type and having a first distance to said first buried layer (12) for defining a first breakdown voltage between said first diffusion (26) and said first buried layer (12); a second diffusion (45) in said second portion of said substrate layer (13), being of said second conductivity type and having a second distance to said second buried layer (12) for defining a second breakdown voltage between said second diffusion (45) and said second buried layer (12); said first distance being larger than said second distance such that said first breakdown voltage is larger than said second breakdown voltage.

    摘要翻译: 一种半导体装置,包括:具有上表面和下表面的衬底层(13)的衬底,所述衬底层(13)是第一导电类型; 在衬底中的第一掩埋层(12),沿着所述衬底层(13)的所述上表面的第一部分下方的所述下表面延伸,以及在衬底中的第二掩埋层(12),沿着所述衬底的下表面延伸 所述衬底层(13)的所述上表面的第二部分; 在所述衬底层(13)的所述第一部分中的第一扩散(26),其具有与所述第一导电类型相反的第二导电类型,并且具有到所述第一掩埋层(12)的第一距离, 所述第一扩散层(26)和所述第一掩埋层(12); 在所述衬底层(13)的所述第二部分中的第二扩散(45),具有所述第二导电类型并且具有到所述第二掩埋层(12)的第二距离,用于限定所述第二扩散(45)之间的第二击穿电压, 和所述第二掩埋层(12); 所述第一距离大于所述第二距离,使得所述第一击穿电压大于所述第二击穿电压。