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    • 42. 发明授权
    • Structure and method for manufacturing asymmetric devices
    • 用于制造不对称装置的结构和方法
    • US08482075B2
    • 2013-07-09
    • US13468270
    • 2012-05-10
    • Hasan M. NayfehAndres BryantArvind KumarNivo RovedoRobert Robison
    • Hasan M. NayfehAndres BryantArvind KumarNivo RovedoRobert Robison
    • H01L21/70
    • H01L21/26586H01L29/1083H01L29/66492H01L29/66545H01L29/66659
    • A plurality of gate structures are formed on a substrate. Each of the gate structures includes a first gate electrode and source and drain regions. The first gate electrode is removed from each of the gate structures. A first photoresist is applied to block gate structures having source regions in a source-down direction. A first halo implantation is performed in gate structures having source regions in a source-up direction at a first angle. The first photoresist is removed. A second photoresist is applied to block gate structures having source regions in a source-up direction. A second halo implantation is performed in gate structures having source regions in a source-down direction at a second angle. The second photoresist is removed. Replacement gate electrodes are formed in each of the gate structures.
    • 在基板上形成多个栅极结构。 每个栅极结构包括第一栅极电极和源极和漏极区域。 从每个栅极结构去除第一栅电极。 施加第一光致抗蚀剂以在源向下方向上阻挡具有源极区的栅极结构。 在栅极结构中进行第一光晕注入,其栅源结构的源极区域在源极方向上以第一角度。 去除第一光致抗蚀剂。 施加第二光致抗蚀剂以阻挡在源向上方向上具有源极区的栅极结构。 在栅极结构中进行第二光晕注入,其栅源结构的源极区域以源向下方向为第二角度。 去除第二光致抗蚀剂。 在每个栅极结构中形成替代栅电极。
    • 47. 发明申请
    • BULK SUBSTRATE FET INTEGRATED ON CMOS SOI
    • 集成在CMOS SOI上的基极FET
    • US20110163383A1
    • 2011-07-07
    • US12683456
    • 2010-01-07
    • Anthony I. ChouArvind KumarShreesh NarasimhaNing SuHuiling Shang
    • Anthony I. ChouArvind KumarShreesh NarasimhaNing SuHuiling Shang
    • H01L27/12H01L21/86
    • H01L27/1207H01L21/84
    • An integrated circuit is provided that integrates an bulk FET and an SOI FET on the same chip, where the bulk FET includes a gate conductor over a gate oxide formed over a bulk substrate, where the gate dielectric of the bulk FET has the same thickness and is substantially coplanar with the buried insulating layer of the SOI FET. In a preferred embodiment, the bulk FET is formed from an SOI wafer by forming bulk contact trenches through the SOI layer and the buried insulating layer of the SOI wafer adjacent an active region of the SOI layer in a designated bulk device region. The active region of the SOI layer adjacent the bulk contact trenches forms the gate conductor of the bulk FET which overlies a portion of the underlying buried insulating layer, which forms the gate dielectric of the bulk FET.
    • 提供了一种集成电路,其将同一芯片上的体FET和SOI FET集成在一起,其中,本体FET包括在大块衬底上形成的栅极氧化物上的栅极导体,其中本体FET的栅极电介质具有相同的厚度, 与SOI FET的掩埋绝缘层基本共面。 在优选实施例中,通过在指定的大容量器件区域中与SOI层的有源区相邻的SOI层和SOI晶片的掩埋绝缘层形成体接触沟槽,从SOI晶片形成本体FET。 邻近体接触沟槽的SOI层的有源区域形成体FET的栅极导体,其覆盖形成本体FET的栅极电介质的下层掩埋绝缘层的一部分。
    • 48. 发明授权
    • Field effect transistor containing a wide band gap semiconductor material in a drain
    • 在漏极中含有宽带隙半导体材料的场效应晶体管
    • US07936042B2
    • 2011-05-03
    • US11939017
    • 2007-11-13
    • Arvind Kumar
    • Arvind Kumar
    • H01L29/02
    • H01L21/26586H01L29/165H01L29/6653H01L29/66636H01L29/66659H01L29/7833H01L29/7848
    • A field effect transistor comprising a silicon containing body is provided. After formation of a gate dielectric, gate electrode, and a first gate spacer, a drain side trench is formed and filled with a wide band gap semiconductor material. Optionally, a source side trench may be formed and filled with a silicon germanium alloy to enhance an on-current of the field effect transistor. Halo implantation and source and drain ion implantation are performed to form various doped regions. Since the wide band gap semiconductor material as a wider band gap than that of silicon, impact ionization is reduced due to the use of the wide band gap semiconductor material in the drain, and consequently, a breakdown voltage of the field effect transistor is increased compared to transistors employing silicon in the drain region.
    • 提供了包括硅含量体的场效应晶体管。 在形成栅极电介质,栅极电极和第一栅极间隔物之后,形成漏极侧沟槽并填充宽带隙半导体材料。 可选地,可以形成源极沟槽并填充硅锗合金以增强场效应晶体管的导通电流。 进行光晕注入和源极和漏极离子注入以形成各种掺杂区域。 由于宽带隙半导体材料作为比硅的带隙宽的带隙,由于在漏极中使用宽带隙半导体材料,因此冲击电离降低,因此,场效应晶体管的击穿电压比较 涉及在漏极区域中使用硅的晶体管。
    • 49. 发明授权
    • Substrate solution for back gate controlled SRAM with coexisting logic devices
    • 用于具有共存逻辑器件的背栅控制SRAM的衬底解决方案
    • US07838942B2
    • 2010-11-23
    • US12144272
    • 2008-06-23
    • Robert H. DennardWilfried E. HaenschArvind KumarRobert J. Miller
    • Robert H. DennardWilfried E. HaenschArvind KumarRobert J. Miller
    • H01L29/76
    • H01L27/1108
    • A semiconductor structure that includes at least one logic device region and at least one static random access memory (SRAM) device region wherein each device region includes a double gated field effect transistor (FET) wherein the back gate of each of the FET devices is doped to a specific level so as to improve the performance of the FET devices within the different device regions is provided. In particular, the back gate within the SRAM device region is more heavily doped than the back gate within the logic device region. In order to control short channel effects, the FET device within the logic device region includes a doped channel, while the FET device within the SRAM device region does not. A none uniform lateral doping profile with a low net doping beneath the source/drain regions and a high net doping underneath the channel would provide additional SCE control for the logic device.
    • 一种半导体结构,其包括至少一个逻辑器件区域和至少一个静态随机存取存储器(SRAM)器件区域,其中每个器件区域包括双门控场效应晶体管(FET),其中每个FET器件的背栅极掺杂 提供了特定的水平,以提高不同器件区域内的FET器件的性能。 特别地,SRAM器件区域内的背栅极比逻辑器件区域内的后栅极重掺杂。 为了控制短沟道效应,逻辑器件区域内的FET器件包括掺杂沟道,而SRAM器件区域内的FET器件不是。 在源极/漏极区域之下具有低净掺杂的非均匀横向掺杂分布和在沟道下方的高净掺杂将为逻辑器件提供附加的SCE控制。