Strain Engineering in Three-Dimensional Transistors Based on Strained Isolation Material
    31.
    发明申请
    Strain Engineering in Three-Dimensional Transistors Based on Strained Isolation Material 有权
    基于应变隔离材料的三维晶体管中的应变工程

    公开(公告)号:US20130181299A1

    公开(公告)日:2013-07-18

    申请号:US13349942

    申请日:2012-01-13

    IPC分类号: H01L27/088 H01L21/336

    摘要: In a three-dimensional transistor configuration, a strain-inducing isolation material is provided, at least in the drain and source areas, thereby inducing a strain, in particular at and in the vicinity of the PN junctions of the three-dimensional transistor. In this case, superior transistor performance may be achieved, while in some illustrative embodiments even the same type of internally stressed isolation material may result in superior transistor performance of P-channel transistors and N-channel transistors.

    摘要翻译: 在三维晶体管配置中,至少在漏极和源极区域中提供应变诱导隔离材料,从而引起应变,特别是在三维晶体管的PN结处和附近。 在这种情况下,可以实现卓越的晶体管性能,而在一些说明性实施例中,甚至相同类型的内部应力隔离材料也可能导致P沟道晶体管和N沟道晶体管的优异的晶体管性能。

    Multiple gate transistor having fins with a length defined by the gate electrode
    35.
    发明授权
    Multiple gate transistor having fins with a length defined by the gate electrode 有权
    多栅极晶体管具有由栅电极限定的长度的散热片

    公开(公告)号:US08183101B2

    公开(公告)日:2012-05-22

    申请号:US12620265

    申请日:2009-11-17

    IPC分类号: H01L29/78

    CPC分类号: H01L29/66795 H01L29/785

    摘要: The drain and source regions of a multiple gate transistor may be formed without an epitaxial growth process by using a placeholder structure for forming the drain and source dopant profiles and subsequently masking the drain and source areas and removing the placeholder structures so as to expose the channel area of the transistor. Thereafter, corresponding fins may be patterned and a gate electrode structure may be formed. Consequently, reduced cycle times may be accomplished due to the avoidance of the epitaxial growth process.

    摘要翻译: 多栅极晶体管的漏极和源极区可以通过使用用于形成漏极和源极掺杂物分布的占位符结构而形成,而不需要外延生长工艺,随后掩蔽漏极和源极区域并去除占位符结构以露出​​沟道 晶体管的面积。 此后,可以对相应的翅片进行构图,并且可以形成栅电极结构。 因此,由于避免了外延生长过程,可以实现缩短的循环时间。

    STRAIN TRANSFORMATION IN BIAXIALLY STRAINED SOI SUBSTRATES FOR PERFORMANCE ENHANCEMENT OF P-CHANNEL AND N-CHANNEL TRANSISTORS
    37.
    发明申请
    STRAIN TRANSFORMATION IN BIAXIALLY STRAINED SOI SUBSTRATES FOR PERFORMANCE ENHANCEMENT OF P-CHANNEL AND N-CHANNEL TRANSISTORS 有权
    用于双通道和N沟道晶体管性能增强的双向应变SOI衬底中的应变变换

    公开(公告)号:US20100301416A1

    公开(公告)日:2010-12-02

    申请号:US12784819

    申请日:2010-05-21

    IPC分类号: H01L27/12 H01L21/782

    摘要: In advanced SOI devices, a high tensile strain component may be achieved on the basis of a globally strained semiconductor layer, while at the same time a certain compressive strain may be induced in P-channel transistors by appropriately selecting a height-to-length aspect ratio of the corresponding active regions. It has been recognized that the finally obtained strain distribution in the active regions is strongly dependent on the aspect ratio of the active regions. Thus, by selecting a moderately low height-to-length aspect ratio for N-channel transistors, a significant fraction of the initial tensile strain component may be preserved. On the other hand, a moderately high height-to-length aspect ratio for the P-channel transistor may result in a compressive strain component in a central surface region of the active region.

    摘要翻译: 在先进的SOI器件中,可以在全局应变半导体层的基础上实现高拉伸应变分量,同时通过适当地选择高度 - 长度方面,可以在P沟道晶体管中产生一定的压缩应变 相应活性区的比例。 已经认识到,有效区域中最终获得的应变分布强烈地取决于有源区的纵横比。 因此,通过为N沟道晶体管选择中等的高度 - 长度长宽比,可以保留初始拉伸应变分量的很大一部分。 另一方面,用于P沟道晶体管的中等高度的长宽比可能导致有源区的中心表面区域中的压缩应变分量。

    Method for creating tensile strain by repeatedly applied stress memorization techniques
    38.
    发明授权
    Method for creating tensile strain by repeatedly applied stress memorization techniques 有权
    通过重复应力记忆技术产生拉伸应变的方法

    公开(公告)号:US07790537B2

    公开(公告)日:2010-09-07

    申请号:US11937677

    申请日:2007-11-09

    IPC分类号: H01L21/336

    摘要: By introducing additional strain-inducing mechanisms on the basis of stress memorization techniques, the performance of NMOS transistors may be significantly increased, thereby reducing the imbalance between PMOS transistors and NMOS transistors. By amorphizing and re-crystallizing the respective material in the presence of a mask layer at various stages of the manufacturing process, a drive current improvement of up to approximately 27% has been observed, with the potential for further performance gain.

    摘要翻译: 通过在应力记忆技术的基础上引入额外的应变诱导机制,可以显着增加NMOS晶体管的性能,从而减少PMOS晶体管和NMOS晶体管之间的不平衡。 通过在制造过程的不同阶段在掩模层的存在下使各种材料非晶化并再结晶,已经观察到高达约27%的驱动电流改善,具有进一步性能增益的潜力。

    Transistor having an embedded tensile strain layer with reduced offset to the gate electrode and a method for forming the same
    40.
    发明授权
    Transistor having an embedded tensile strain layer with reduced offset to the gate electrode and a method for forming the same 有权
    具有嵌入式拉伸应变层的晶体管,其具有减小的偏移到栅电极的方法及其形成方法

    公开(公告)号:US07659213B2

    公开(公告)日:2010-02-09

    申请号:US11566840

    申请日:2006-12-05

    摘要: By incorporating carbon by means of ion implantation and a subsequent flash-based or laser-based anneal process, strained silicon/carbon material with tensile strain may be positioned in close proximity to the channel region, thereby enhancing the strain-inducing mechanism. The carbon implantation may be preceded by a pre-amorphization implantation, for instance on the basis of silicon. Moreover, by removing a spacer structure used for forming deep drain and source regions, the degree of lateral offset of the strained silicon/carbon material with respect to the gate electrode may be determined substantially independently from other process requirements. Moreover, an additional sidewall spacer used for forming metal silicide regions may be provided with reduced permittivity, thereby additionally contributing to an overall performance enhancement.

    摘要翻译: 通过离子注入和随后的基于闪光或基于激光的退火工艺引入碳,具有拉伸应变的应变硅/碳材料可以紧邻通道区域定位,从而增强应变诱导机制。 可以在碳注入之前进行预非晶化注入,例如基于硅。 此外,通过去除用于形成深漏极和源极区的间隔结构,应变硅/碳材料相对于栅极的横向偏移程度可以基本上独立于其它工艺要求来确定。 此外,用于形成金属硅化物区域的附加侧壁间隔物可以具有降低的介电常数,从而另外有助于整体性能提高。