METHOD OF FABRICATING A PRECISION BURIED RESISTOR
    1.
    发明申请
    METHOD OF FABRICATING A PRECISION BURIED RESISTOR 有权
    制造精密电阻器的方法

    公开(公告)号:US20070194390A1

    公开(公告)日:2007-08-23

    申请号:US11276282

    申请日:2006-02-22

    IPC分类号: H01L29/76

    摘要: The present invention provides a semiconductor structure including a buried resistor with improved control, in which the resistor is fabricated in a region of a semiconductor substrate beneath a well region that is also present in the substrate. In accordance with the present invention, the inventive structure includes a semiconductor substrate containing at least a well region; and a buried resistor located in a region of the semiconductor substrate that is beneath said well region. The present invention also provides a method of fabricating such a structure in which a deep ion implantation process is used to form the buried resistor and a shallower ion implantation process is used in forming the well region.

    摘要翻译: 本发明提供一种包括具有改进控制的掩埋电阻器的半导体结构,其中电阻器制造在半导体衬底的也存在于衬底中的阱区域下方的区域中。 根据本发明,本发明的结构包括至少含有一个阱区的半导体衬底; 以及位于半导体衬底的位于所述阱区之下的区域中的掩埋电阻器。 本发明还提供一种制造这样的结构的方法,其中使用深离子注入工艺来形成掩埋电阻器,并且在形成阱区域中使用较浅的离子注入工艺。

    LOW TOLERANCE POLYSILICON RESISTOR FOR LOW TEMPERATURE SILICIDE PROCESSING
    3.
    发明申请
    LOW TOLERANCE POLYSILICON RESISTOR FOR LOW TEMPERATURE SILICIDE PROCESSING 失效
    用于低温硅酮加工的低耐压多晶硅电阻器

    公开(公告)号:US20060166454A1

    公开(公告)日:2006-07-27

    申请号:US10905940

    申请日:2005-01-27

    IPC分类号: H01L21/20

    摘要: Various methods of fabricating a high precision, silicon-containing resistor in which the resistor is formed as a discrete device integrated in complementary metal oxide semiconductor (CMOS) processing utilizing low temperature silicidation are provided. In some embodiments, the Si-containing layer is implanted with a high dose of ions prior to activation. The activation can be performed by the deposition of a protective dielectric layer, or a separate activation anneal. In another embodiment, a highly doped in-situ Si-containing layer is used thus eliminating the need for implanting into the Si-containing layer.

    摘要翻译: 提供制造高精度含硅电阻器的各种方法,其中电阻器形成为集成在利用低温硅化物的互补金属氧化物半导体(CMOS)处理中的分立器件)。 在一些实施方案中,在活化之前,用高剂量的离子注入含Si层。 激活可以通过沉积保护性介电层或单独的激活退火来进行。 在另一个实施方案中,使用高掺杂的原位含Si层,因此不需要植入含Si层。