Design structure with a deep sub-collector, a reach-through structure and trench isolation
    31.
    发明授权
    Design structure with a deep sub-collector, a reach-through structure and trench isolation 有权
    具有深子集电极的设计结构,通孔结构和沟槽隔离

    公开(公告)号:US08015538B2

    公开(公告)日:2011-09-06

    申请号:US11941104

    申请日:2007-11-16

    CPC分类号: H01L29/0821 H01L29/66272

    摘要: The invention relates to noise isolation in semiconductor devices, and a design structure on which a subject circuit resides. A design structure is embodied in a machine readable medium used in a design process. The design structure includes a deep sub-collector located in a first epitaxial layer, and a doped region located in a second epitaxial layer, which is above the first epitaxial layer. The design structure further includes a reach-through structure penetrating from a surface of the device through the first and second epitaxial layers to the deep sub-collector, and a trench isolation structure penetrating from a surface of the device and surrounding the doped region.

    摘要翻译: 本发明涉及半导体器件中的噪声隔离以及被摄体电路所在的设计结构。 设计结构体现在在设计过程中使用的机器可读介质中。 该设计结构包括位于第一外延层中的深子集电极和位于第一外延层之上的第二外延层中的掺杂区域。 该设计结构进一步包括从装置的表面穿过第一外延层和第二外延层到达深亚集电体的通孔结构,以及从该器件的表面穿透且围绕掺杂区域的沟槽隔离结构。

    MOS varactor using isolation well
    32.
    发明授权
    MOS varactor using isolation well 有权
    MOS变容管使用隔离井

    公开(公告)号:US07714412B2

    公开(公告)日:2010-05-11

    申请号:US10711144

    申请日:2004-08-27

    IPC分类号: H01L29/93

    CPC分类号: H01L29/93 H01L29/94

    摘要: The present invention provides a varactor that has increased tunability and a high quality factor Q as well as a method of fabricating the varactor. The method of the present invention can be integrated into a conventional CMOS processing scheme or into a conventional BiCMOS processing scheme. The method includes providing a structure that includes a semiconductor substrate of a first conductivity type and optionally a subcollector or isolation well (i.e., doped region) of a second conductivity type located below an upper region of the substrate, the first conductivity type is different from said second conductivity type. Next, a plurality of isolation regions are formed in the upper region of the substrate and then a well region is formed in the upper region of the substrate. In some cases, the doped region is formed at this point of the inventive process. The well region includes outer well regions of the second conductivity type and an inner well region of the first conductivity type. Each well of said well region is separated at an upper surface by an isolation region. A field effect transistor having at least a gate conductor of the first conductivity type is then formed above the inner well region.

    摘要翻译: 本发明提供一种具有增加的可调性和高品质因数Q的变容二极管以及制造变容二极管的方法。 本发明的方法可以集成到常规的CMOS处理方案中,或者被整合到常规的BiCMOS处理方案中。 该方法包括提供包括第一导电类型的半导体衬底和位于衬底的上部区域下方的第二导电类型的子集电极或隔离阱(即,掺杂区)的结构,第一导电类型不同于 所述第二导电类型。 接下来,在基板的上部区域形成多个隔离区域,然后在基板的上部区域形成阱区域。 在一些情况下,在本发明方法的这一点形成掺杂区域。 阱区包括第二导电类型的外阱区和第一导电类型的内阱区。 所述阱区的每个阱在上表面被隔离区分开。 然后形成至少具有第一导电类型的栅极导体的场效应晶体管,并在内部阱区域的上方形成。

    Semiconductor-insulator-silicide capacitor
    33.
    发明授权
    Semiconductor-insulator-silicide capacitor 失效
    半导体绝缘体硅化物电容器

    公开(公告)号:US07479439B2

    公开(公告)日:2009-01-20

    申请号:US11737844

    申请日:2007-04-20

    IPC分类号: H01L21/8244

    CPC分类号: H01L29/94

    摘要: A semiconductor-insulator-silicide (SIS) capacitor is formed by depositing a thin silicon containing layer on a salicide mask dielectric layer, followed by lithographic patterning of the stack and metallization of the thin silicon containing layer and other exposed semiconductor portions of a semiconductor substrate. The thin silicon containing layer is fully reacted during metallization and consequently converted to a silicide alloy layer, which is a first electrode of a capacitor. The salicide mask dielectric layer is the capacitor dielectric. The second electrode of the capacitor may be a doped polycrystalline silicon containing layer, a doped single crystalline semiconductor region, or another doped polycrystalline silicon containing layer disposed on the doped polycrystalline silicon containing layer. The SIS insulator may further comprise other dielectric layers and conductive layers to increase capacitance per area.

    摘要翻译: 半导体绝缘体硅化物(SIS)电容器是通过在硅化物掩模介电层上沉积薄硅层而形成的,随后叠层的平版印刷图案化以及薄硅层和半导体衬底的其它暴露的半导体部分的金属化 。 含硅薄层在金属化期间完全反应,因此转化为硅化物合金层,其是电容器的第一电极。 硅化物掩模介电层是电容器电介质。 电容器的第二电极可以是掺杂的多晶硅含硅层,掺杂的单晶半导体区域或设置在掺杂的多晶硅含硅层上的另一掺杂的多晶硅含硅层。 SIS绝缘体还可以包括其它电介质层和导电层,以增加每面积的电容。

    Precision polysilicon resistor process
    34.
    发明授权
    Precision polysilicon resistor process 有权
    精密多晶硅电阻工艺

    公开(公告)号:US07112535B2

    公开(公告)日:2006-09-26

    申请号:US10605439

    申请日:2003-09-30

    IPC分类号: H01L21/302

    摘要: A process is disclosed for fabricating precision polysilicon resistors which more precisely control the tolerance of the sheet resistivity of the produced polysilicon resistors. The process generally includes performing an emitter/FET activation rapid thermal anneal (RTA) on a wafer having partially formed polysilicon resistors, followed by steps of depositing a protective dielectric layer on the polysilicon, implanting a dopant through the protective dielectric layer into the polysilicon to define the resistance of the polysilicon resistors, and forming a silicide.

    摘要翻译: 公开了一种制造精密多晶硅电阻器的方法,其更精确地控制所产生的多晶硅电阻器的薄层电阻率的公差。 该方法通常包括在具有部分形成的多晶硅电阻器的晶片上执行发射极/ FET激活快速热退火(RTA),随后是在多晶硅上沉积保护性介电层的步骤,将掺杂剂通过保护电介质层注入到多晶硅中 限定多晶硅电阻器的电阻,并形成硅化物。

    Buried subcollector for high frequency passive semiconductor devices
    36.
    发明授权
    Buried subcollector for high frequency passive semiconductor devices 失效
    埋地子集电极用于高频无源半导体器件

    公开(公告)号:US07491632B2

    公开(公告)日:2009-02-17

    申请号:US11164108

    申请日:2005-11-10

    IPC分类号: H01L21/425

    摘要: A method of fabricating a buried subcollector in which the buried subcollector is implanted to a depth in which during subsequent epi growth the buried subcollector remains substantially below the fictitious interface between the epi layer and the substrate is provided. In particular, the inventive method forms a buried subcollector having an upper surface (i.e., junction) that is located at a depth from about 3000 Å or greater from the upper surface of the semiconductor substrate. This deep buried subcollector having an upper surface that is located at a depth from about 3000 Å or greater from the upper surface of the substrate is formed using a reduced implant energy (as compared to a standard deep implanted subcollector process) at a relative high dose. The present invention also provides a semiconductor structure including the inventive buried subcollector which can be used as cathode for passive devices in high frequency applications.

    摘要翻译: 一种制造掩埋子集电极的方法,其中将埋入的子集电极注入深度,其中在随后的外延生长期间,掩埋子集电极基本上保持在外延层和衬底之间的虚拟界面的下方。 特别地,本发明的方法形成了具有从半导体衬底的上表面位于距离大约或更大的深度的上表面(即结)的掩埋子集电极。 该深埋底部集电器具有从衬底的上表面位于距离大约等于或更大的深度的上表面,其使用相对高剂量的减少的注入能量(与标准深度植入子集电极过程相比) 。 本发明还提供了一种半导体结构,其包括本发明的掩埋子集电极,其可以用作高频应用中的无源器件的阴极。

    Method of adjusting resistors post silicide process
    39.
    发明授权
    Method of adjusting resistors post silicide process 失效
    调整硅化物后电阻的方法

    公开(公告)号:US07060612B2

    公开(公告)日:2006-06-13

    申请号:US10711130

    申请日:2004-08-26

    IPC分类号: H01L21/44

    摘要: A method of fabricating a resistor in which the resistance value of the resistor is measured and adjusted after silicidation is provided. The method of the present invention begins with first providing at least one resistor, e.g., polysilicon, having a resistance value on a surface of a semiconductor substrate. The at least one resistor has been subjected to a silicidation process. Next, the resistance value of the at least one resistor is measured to determine the actual resistance of the resistor after silicidation. After the measuring step, the resistance of the resistor is adjusted to achieve a desired resistance value. The adjusting may include a post silicidation rapid thermal anneal and/or a post silicidation ion implantation and a low temperature rapid thermal anneal step.

    摘要翻译: 提供了在硅化后测量和调整电阻器的电阻值的电阻器的制造方法。 本发明的方法首先开始在半导体衬底的表面上提供具有电阻值的至少一个电阻器,例如多晶硅。 至少一个电阻器已进行硅化处理。 接下来,测量至少一个电阻器的电阻值,以确定硅化后电阻器的实际电阻。 在测量步骤之后,调整电阻器的电阻以获得所需的电阻值。 调整可以包括后硅化快速热退火和/或后硅化离子注入和低温快速热退火步骤。