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    • 5. 发明授权
    • Formation of ultra-shallow depth source/drain extensions for MOS transistors
    • 形成MOS晶体管的超浅深度源极/漏极延伸
    • US06727136B1
    • 2004-04-27
    • US10273291
    • 2002-10-18
    • James F. BullerDerick J. WristersDavid WuAkif Sultan
    • James F. BullerDerick J. WristersDavid WuAkif Sultan
    • H01L21336
    • H01L29/6659H01L21/823418H01L21/823814H01L29/1054H01L29/7833
    • A method of manufacturing a semiconductor device, comprising sequential steps of: (a) providing a semiconductor substrate including a pre-selected thickness strained lattice layer of a first semiconductor material at an upper surface thereof and an underlying layer of a second semiconductor material; and (b) introducing a dopant-containing species of one conductivity type into at least one pre-selected portion of the strained lattice layer of first semiconductor material to form a dopant-containing region therein with a junction at a depth substantially equal to the pre-selected thickness, wherein the second semiconductor material of the underlying layer inhibits diffusion thereinto of the dopant-containing species from the strained lattice layer, thereby controlling/limiting the depth of the junction to substantially the pre-selected thickness of the strained lattice layer.
    • 一种制造半导体器件的方法,包括以下顺序的步骤:(a)提供半导体衬底,该半导体衬底在其上表面包括预先选定的第一半导体材料的应变晶格层和第二半导体材料的下层; 和(b)将含有一种导电类型的含掺杂剂的物质引入到第一半导体材料的应变晶格层的至少一个预先选择的部分中,以在其中形成含有掺杂剂的区域,其中接合部的深度基本上等于预先 - 选择的厚度,其中下层的第二半导体材料抑制来自应变晶格层的含掺杂剂物质的扩散,从而将结的深度控制/限制到基本上预应变晶格层的预选厚度。
    • 6. 发明授权
    • Method of forming transistor devices with different threshold voltages using halo implant shadowing
    • 使用光晕植入物阴影形成具有不同阈值电压的晶体管器件的方法
    • US07598161B2
    • 2009-10-06
    • US11861534
    • 2007-09-26
    • Jingrong ZhouMark MichaelDonna Michael, legal representativeDavid WuJames F. BullerAkif Sultan
    • Jingrong ZhouMark MichaelDavid WuJames F. BullerAkif Sultan
    • H01L21/425
    • H01L21/26513H01L21/26586H01L21/823807H01L29/1083
    • The halo implant technique described herein employs a halo implant mask that creates a halo implant shadowing effect during halo dopant bombardment. A first transistor device structure and a second transistor device structure are formed on a wafer such that they are orthogonally oriented to each other. A common halo implant mask is created with features that prevent halo implantation of the diffusion region of the second transistor device structure during halo implantation of the diffusion region of the first transistor device structure, and with features that prevent halo implantation of the diffusion region of the first transistor device structure during halo implantation of the diffusion region of the second transistor device structure. The orthogonal orientation of the transistor device structures and the pattern of the halo implant mask obviates the need to create multiple implant masks to achieve different threshold voltages for the transistor device structures.
    • 本文描述的光晕植入技术采用在光晕掺杂剂轰击期间产生晕轮植入物阴影效应的光晕注入掩模。 第一晶体管器件结构和第二晶体管器件结构形成在晶片上,使得它们彼此正交地取向。 创建了常见的光晕注入掩模,其特征在于,在第一晶体管器件结构的扩散区域的晕圈注入期间防止第二晶体管器件结构的扩散区域的光晕注入,并且具有防止第 在第二晶体管器件结构的扩散区的晕圈注入期间的第一晶体管器件结构。 晶体管器件结构的正交取向和光晕注入掩模的图案消除了创建多个注入掩模以实现晶体管器件结构的不同阈值电压的需要。