公开(公告)号：US20060060887A1

公开(公告)日：2006-03-23

申请号：US10711482

申请日：2004-09-21

申请人： Peter Geiss ,  Alvin Joseph ,  Rajendran Krishnasamy ,  Xuefeng Liu

发明人： Peter Geiss ,  Alvin Joseph ,  Rajendran Krishnasamy ,  Xuefeng Liu

IPC分类号： H01L31/109

CPC分类号： H01L29/66242 ,  H01L29/7378

摘要： A heterojunction bipolar transistor is formed in a semiconductor substrate of a first conductivity type including a collector region. A base region is formed on the substrate and an emitter region is formed over the base region. At least one of the collector, base and emitter regions includes a first region doped with an impurity having a first concentration and a second region doped with the impurity having a second concentration. Noise performance and reliability of the heterojunction bipolar transistor is improved without degrading ac performance.

摘要翻译： 在包括集电极区域的第一导电类型的半导体衬底中形成异质结双极晶体管。 在基板上形成基极区域，在基极区域上形成发射极区域。 集电极，基极和发射极区域中的至少一个包括掺杂有第一浓度的杂质的第一区域和掺杂有第二浓度的杂质的第二区域。 提高异质结双极晶体管的噪声性能和可靠性，而不会降低交流性能。

公开(公告)号：US20050070101A1

公开(公告)日：2005-03-31

申请号：US10605435

申请日：2003-09-30

申请人： Peter Geiss ,  Alvin Joseph ,  Xuefeng Liu ,  James Nakos ,  James Quinlivan

发明人： Peter Geiss ,  Alvin Joseph ,  Xuefeng Liu ,  James Nakos ,  James Quinlivan

IPC分类号： H01L21/302 ,  H01L21/311 ,  H01L21/331 ,  H01L21/461

CPC分类号： H01L29/66242 ,  H01L21/31116

摘要： A method for removing silicon dioxide residuals is disclosed. The method includes reacting a portion of a silicon dioxide layer (i.e., oxide) to form a reaction product layer, removing the reaction product layer and annealing in an environment to remove oxide residuals. The method finds application in a variety of semiconductor fabrication processes including, for example, fabrication of a vertical HBT or silicon-to-silicon interface without an oxide interface.

摘要翻译： 公开了一种去除二氧化硅残留物的方法。 该方法包括使一部分二氧化硅层（即氧化物）反应以形成反应产物层，除去反应产物层并在环境中退火以除去氧化物残余物。 该方法应用于各种半导体制造工艺中，包括例如制造垂直HBT或无硅氧化物界面的硅 - 硅界面。

公开(公告)号：US20070051980A1

公开(公告)日：2007-03-08

申请号：US11161936

申请日：2005-08-23

申请人： Wade Hodge ,  Alvin Joseph ,  Rajendran Krishnasamy ,  Qizhi Liu ,  Bradley Orner

发明人： Wade Hodge ,  Alvin Joseph ,  Rajendran Krishnasamy ,  Qizhi Liu ,  Bradley Orner

IPC分类号： H01L29/737 ,  H01L21/8222

CPC分类号： H01L29/7378 ,  H01L21/8249 ,  H01L29/1004

摘要： A heterojunction bipolar transistor (HBT), an integrated circuit (IC) chip including at least one HBT and a method of forming the IC. The HBT includes an extrinsic base with one or more buried interstitial barrier layer. The extrinsic base may be heavily doped with boron and each buried interstitial barrier layer is doped with a dopant containing carbon, e.g., carbon or SiGe:C. The surface of the extrinsic base may be silicided.

摘要翻译： 异质结双极晶体管（HBT），包括至少一个HBT的集成电路（IC）芯片和形成IC的方法。 HBT包括具有一个或多个掩埋间隙屏障层的外在基底。 外部基极可以用硼重掺杂，并且每个掩埋的间隙势垒层掺杂含有碳的掺杂剂，例如碳或SiGe：C。 外基的表面可以被硅化。

公开(公告)号：US20080099787A1

公开(公告)日：2008-05-01

申请号：US11873696

申请日：2007-10-17

申请人： Douglas Coolbaugh ,  Alvin Joseph ,  Seong-dong Kim ,  Louis Lanzerotti ,  Xuefeng Liu ,  Robert Rassel

发明人： Douglas Coolbaugh ,  Alvin Joseph ,  Seong-dong Kim ,  Louis Lanzerotti ,  Xuefeng Liu ,  Robert Rassel

IPC分类号： H01L27/06

CPC分类号： H01L27/0814 ,  H01L27/0664 ,  H01L27/0823 ,  H01L29/0821 ,  H01L29/7371 ,  H01L29/868

摘要： A structure comprises a single wafer with a first subcollector formed in a first region having a first thickness and a second subcollector formed in a second region having a second thickness, different from the first thickness. A method is also contemplated which includes providing a substrate including a first layer and forming a first doped region in the first layer. The method further includes forming a second layer on the first layer and forming a second doped region in the second layer. The second doped region is formed at a different depth than the first doped region. The method also includes forming a first reachthrough in the first layer and forming a second reachthrough in second layer to link the first reachthrough to the surface.

摘要翻译： 一种结构包括具有形成在具有第一厚度的第一区域中的第一子集电极的单晶片和形成在具有不同于第一厚度的第二厚度的第二区域中的第二子集电极。 还可以设想一种方法，其包括提供包括第一层并在第一层中形成第一掺杂区的衬底。 该方法还包括在第一层上形成第二层并在第二层中形成第二掺杂区域。 第二掺杂区形成在与第一掺杂区不同的深度。 该方法还包括在第一层中形成第一通道并在第二层中形成第二通道以将第一通道连接到表面。

公开(公告)号：US20070096257A1

公开(公告)日：2007-05-03

申请号：US11163882

申请日：2005-11-02

申请人： Douglas Coolbaugh ,  Alvin Joseph ,  Seong-dong Kim ,  Louis Lanzerotti ,  Xuefeng Liu ,  Robert Rassel

发明人： Douglas Coolbaugh ,  Alvin Joseph ,  Seong-dong Kim ,  Louis Lanzerotti ,  Xuefeng Liu ,  Robert Rassel

IPC分类号： H01L27/102

CPC分类号： H01L27/0814 ,  H01L27/0664 ,  H01L27/0823 ,  H01L29/0821 ,  H01L29/7371 ,  H01L29/868

摘要： A structure comprises a single wafer with a first subcollector formed in a first region having a first thickness and a second subcollector formed in a second region having a second thickness, different from the first thickness. A method is also contemplated which includes providing a substrate including a first layer and forming a first doped region in the first layer. The method further includes forming a second layer on the first layer and forming a second doped region in the second layer. The second doped region is formed at a different depth than the first doped region. The method also includes forming a first reachthrough in the first layer and forming a second reachthrough in second layer to link the first reachthrough to the surface.

摘要翻译： 一种结构包括具有形成在具有第一厚度的第一区域中的第一子集电极的单晶片和形成在具有不同于第一厚度的第二厚度的第二区域中的第二子集电极。 还可以设想一种方法，其包括提供包括第一层并在第一层中形成第一掺杂区的衬底。 该方法还包括在第一层上形成第二层并在第二层中形成第二掺杂区域。 第二掺杂区形成在与第一掺杂区不同的深度。 该方法还包括在第一层中形成第一通道并在第二层中形成第二通道以将第一通道连接到表面。

公开(公告)号：US20060124964A1

公开(公告)日：2006-06-15

申请号：US11288843

申请日：2005-11-29

申请人： Peter Geiss ,  Peter Gray ,  Alvin Joseph ,  Qizhi Liu

发明人： Peter Geiss ,  Peter Gray ,  Alvin Joseph ,  Qizhi Liu

IPC分类号： H01L31/109

CPC分类号： H01L29/0821 ,  H01L21/8249 ,  H01L27/0623 ,  H01L29/66242 ,  H01L29/66318

摘要： A heterobipolar transistor (HBT) for high-speed BiCMOS applications is provided in which the collector resistance, Rc, is lowered by providing a buried refractory metal silicide layer underneath the shallow trench isolation region on the subcollector of the device. Specifically, the HBT of the present invention includes a substrate including at least a subcollector; a buried refractory metal silicide layer located on the subcollector; and a shallow trench isolation region located on a surface of the buried refractory metal silicide layer. The present invention also provides a method of fabricating such a HBT. The method includes forming a buried refractory metal silicide underneath the shallow trench isolation region on the subcollector of the device.

公开(公告)号：US20070207567A1

公开(公告)日：2007-09-06

申请号：US10599938

申请日：2005-04-06

申请人： Peter Geiss ,  Alvin Joseph ,  Qizhi Liu ,  Bradley Orner

发明人： Peter Geiss ,  Alvin Joseph ,  Qizhi Liu ,  Bradley Orner

IPC分类号： H01L21/04 ,  H01L29/73

CPC分类号： H01L29/0804 ,  H01L21/8249 ,  H01L27/0623 ,  H01L29/1004 ,  H01L29/66287

摘要： Disclosed is a bipolar complementary metal oxide semiconductor (BiCMOS) or NPN/PNP device that has a collector, an intrinsic base above the collector, shallow trench isolation regions adjacent the collector, a raised extrinsic base above the intrinsic base, a T-shaped emitter above the extrinsic base, spacers adjacent the emitter, and a silicide layer that is separated from the emitter by the spacers.

摘要翻译： 公开了一种双极互补金属氧化物半导体（BiCMOS）或NPN / PNP器件，其具有集电极，集电极之上的本征基极，与集电极相邻的浅沟槽隔离区，在本征基极之上的凸起的外部基极，T形发射极 在外部基极之上，邻近发射极的间隔物和通过间隔物与发射极分离的硅化物层。

公开(公告)号：US20060177986A1

公开(公告)日：2006-08-10

申请号：US11378927

申请日：2006-03-17

申请人： Alvin Joseph ,  Qizhi Liu

发明人： Alvin Joseph ,  Qizhi Liu

IPC分类号： H01L21/8222

CPC分类号： H01L29/66287 ,  H01L21/8249 ,  H01L27/0623 ,  H01L29/1004 ,  H01L29/732

摘要： A high fT and fmax bipolar transistor includes an emitter, a base, and a collector. The emitter has a lower portion and an upper portion that extends beyond the lower portion. The base includes an intrinsic base and an extrinsic base. The intrinsic base is located between the lower portion of the emitter and the collector. The extrinsic base extends from the lower portion of the emitter beyond the upper portion of the emitter and includes a continuous conductor that extends from underneath the upper portion of the emitter and out from underneath the upper portion of the emitter. The continuous conductor provides a low electrical resistance path from a base contact (not shown) to the intrinsic base. The transistor may include a second conductor that does not extend underneath the upper portion of the emitter, but which further reduces the electrical resistance through the extrinsic base.

摘要翻译： 高电平和高压双极晶体管包括发射极，基极和集电极。 发射器具有延伸超出下部的下部和上部。 基础包括内在基础和外在碱基。 本征基极位于发射极的下部和集电极之间。 外部基极从发射器的下部延伸超过发射器的上部，并且包括从发射器的上部下方延伸并从发射器的上部下方延伸的连续导体。 连续导体提供从底部触点（未示出）到本征基极的低电阻路径。 晶体管可以包括不延伸在发射极的上部下方的第二导体，但是通过外部基极进一步降低电阻。

公开(公告)号：US20060081934A1

公开(公告)日：2006-04-20

申请号：US11289915

申请日：2005-11-30

申请人： Marwan Khater ,  James Dunn ,  David Harame ,  Alvin Joseph ,  Qizhi Liu ,  Francois Pagette ,  Stephen Onge ,  Andreas Stricker

发明人： Marwan Khater ,  James Dunn ,  David Harame ,  Alvin Joseph ,  Qizhi Liu ,  Francois Pagette ,  Stephen Onge ,  Andreas Stricker

IPC分类号： H01L23/62

CPC分类号： H01L29/66287 ,  H01L29/1004 ,  H01L29/66242 ,  H01L29/732 ,  H01L29/7378

摘要： A bipolar transistor with raised extrinsic base and selectable self-alignment between the extrinsic base and the emitter is disclosed. The fabrication method may include the formation of a predefined thickness of a first extrinsic base layer of polysilicon or silicon on an intrinsic base. A dielectric landing pad is then formed by lithography on the first extrinsic base layer. Next, a second extrinsic base layer of polysilicon or silicon is formed on top of the dielectric landing pad to finalize the raised extrinsic base total thickness. An emitter opening is formed using lithography and RIE, where the second extrinsic base layer is etched stopping on the dielectric landing pad. The degree of self-alignment between the emitter and the raised extrinsic base is achieved by selecting the first extrinsic base layer thickness, the dielectric landing pad width, and the spacer width.

摘要翻译： 公开了一种具有凸起的外在基极和在本征基极和发射极之间可选自对准的双极晶体管。 制造方法可以包括在内在基底上形成多晶硅或硅的第一非本征基极层的预定厚度。 然后通过在第一非本征基层上的光刻形成电介质着色焊盘。 接下来，在电介质贴片垫的顶部上形成第二非多晶硅或硅的非本征基极层，以最终确定凸出的非本征基本总厚度。 使用光刻和RIE形成发射器开口，其中第二外部基极层被蚀刻停止在电介质着色焊盘上。 通过选择第一非本征基极层厚度，电介质着陆焊盘宽度和间隔物宽度来实现发射极和凸出的外部基极之间的自对准程度。

公开(公告)号：US20060249850A1

公开(公告)日：2006-11-09

申请号：US10908354

申请日：2005-05-09

申请人： Mete Erturk ,  Alvin Joseph ,  Anthony Stamper

发明人： Mete Erturk ,  Alvin Joseph ,  Anthony Stamper

IPC分类号： H01L23/52

CPC分类号： H01L23/5225 ,  H01L2924/0002 ,  H01L2924/00

摘要： A ground shield is disclosed that includes a ‘cheesed’ metal positioned within a dielectric layer and a metal region positioned within a first metal level over the cheesed metal. The ground shield can have different forms depending on the metal used, and provisions are made to prevent diffusion of copper (Cu) when that is used as the metal in the cheese metal of the ground shield. The ground shield provides a low resistance, very thick metal at a first metal (M1) level for passive RF elements in conjunction with the standard back-end-of-line (BEOL) integration. The invention also includes a method of forming the ground shield.

摘要翻译： 公开了一种接地屏蔽，其包括位于电介质层内的“干酪”金属和位于干酪金属上的第一金属层内的金属区域。 接地屏蔽可以根据所使用的金属具有不同的形式，并且当用作接地屏蔽的奶酪金属中的金属时，设置防止铜（Cu）的扩散。 接地屏蔽在第一金属（M 1）级别提供低电阻，非常厚的金属，用于与标准后端（BEOL）集成结合的无源RF元件。 本发明还包括形成接地屏蔽的方法。