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1. 发明申请

US20080023752A1 BORON DOPED SiGe HALO FOR NFET TO CONTROL SHORT CHANNEL EFFECT 审中-公开
标题翻译： BORON DOPED SiGe HALO用于NFET控制短路通道效应
公开(公告)号：US20080023752A1
公开(公告)日：2008-01-31
申请号：US11460766
申请日：2006-07-28
申请人： Xiangdong Chen , Yung Fu Chong , Zhijiong Luo , Xinlin Wang , Haining S. Yang
发明人： Xiangdong Chen , Yung Fu Chong , Zhijiong Luo , Xinlin Wang , Haining S. Yang
IPC分类号： H01L29/76 , H01L21/336
CPC分类号： H01L21/26586 , H01L29/1045 , H01L29/165 , H01L29/665 , H01L29/6656 , H01L29/66628 , H01L29/66636
摘要： An n-type field effect transistor (NFET) and methods of forming a halo for an NFET to control the short channel effect are disclosed. One method includes forming a gate over a silicon substrate; recessing the silicon adjacent to the gate; forming a halo by epitaxially growing boron in-situ doped silicon germanium (SiGe) in the recess; and epitaxially growing silicon over the silicon germanium. Alternatively, the halo can be formed by ion implanting boron into an embedded SiGe region within the silicon substrate. The resulting NFET includes a boron doped SiGe halo embedded within the silicon substrate. The embedded SiGe layer may be a relaxed layer without inserting strain in the channel. The high solid solubility of boron in SiGe and low diffusion rate allows formation of a halo that will maintain the sharp profile, which provides better control of the short channel effect and increasing control over NFET threshold voltage roll-off.
摘要翻译：公开了一种n型场效应晶体管（NFET）和用于形成用于NFET的光晕以控制短沟道效应的方法。一种方法包括在硅衬底上形成栅极; 凹陷与栅极相邻的硅; 通过在凹槽中外延生长硼原位掺杂硅锗（SiGe）来形成卤素; 并在硅锗上外延生长硅。或者，可以通过将硼离子注入到硅衬底内的嵌入的SiGe区域中来形成卤素。所得NFET包括嵌入在硅衬底内的硼掺杂SiGe光晕。嵌入的SiGe层可以是松弛层，而不会在通道中插入应变。硼在SiGe中的高固体溶解度和低扩散速率允许形成将保持尖锐轮廓的光晕，这提供了对短通道效应的更好控制并增加了对NFET阈值电压滚降的控制。

2. 发明申请

US20110175170A1 STRUCTURE AND METHOD FOR MAKING LOW LEAKAGE AND LOW MISMATCH NMOSFET 失效
标题翻译：用于制造低漏电和低失真的NMOSFET的结构和方法
公开(公告)号：US20110175170A1
公开(公告)日：2011-07-21
申请号：US12691183
申请日：2010-01-21
申请人： Xinlin Wang , Xiangdong Chen , Haining S. Yang
发明人： Xinlin Wang , Xiangdong Chen , Haining S. Yang
IPC分类号： H01L29/66 , H01L21/8238
CPC分类号： H01L27/092 , H01L21/823462 , H01L21/823468 , H01L21/823857 , H01L21/823864 , H01L27/11 , H01L27/1104
摘要： An improved SRAM and fabrication method are disclosed. The method comprises use of a nitride layer to encapsulate PFETs and logic NFETs, protecting the gates of those devices from oxygen exposure. NFETs that are used in the SRAM cells are exposed to oxygen during the anneal process, which alters the effective work function of the gate metal, such that the threshold voltage is increased, without the need for increasing the dopant concentration, which can adversely affect issues such as mismatch due to random dopant fluctuation, GIDL and junction leakage.
摘要翻译：公开了一种改进的SRAM和制造方法。该方法包括使用氮化物层来封装PFET和逻辑NFET，保护这些器件的栅极免受氧气暴露。用于SRAM单元中的NFET在退火过程中暴露于氧气，这改变了栅极金属的有效功函数，使得阈值电压增加，而不需要增加掺杂剂浓度，这可能不利地影响问题例如由于随机掺杂剂波动，GIDL和结泄漏引起的失配。

3. 发明授权

US08697521B2 Structure and method for making low leakage and low mismatch NMOSFET 失效
标题翻译：低泄漏和低失配NMOSFET的结构和方法
公开(公告)号：US08697521B2
公开(公告)日：2014-04-15
申请号：US12691183
申请日：2010-01-21
申请人： Xinlin Wang , Xiangdong Chen , Haining S. Yang
发明人： Xinlin Wang , Xiangdong Chen , Haining S. Yang
IPC分类号： H01L27/092
CPC分类号： H01L27/092 , H01L21/823462 , H01L21/823468 , H01L21/823857 , H01L21/823864 , H01L27/11 , H01L27/1104
摘要： An improved SRAM and fabrication method are disclosed. The method comprises use of a nitride layer to encapsulate PFETs and logic NFETs, protecting the gates of those devices from oxygen exposure. NFETs that are used in the SRAM cells are exposed to oxygen during the anneal process, which alters the effective work function of the gate metal, such that the threshold voltage is increased, without the need for increasing the dopant concentration, which can adversely affect issues such as mismatch due to random dopant fluctuation, GIDL and junction leakage.
摘要翻译：公开了一种改进的SRAM和制造方法。该方法包括使用氮化物层来封装PFET和逻辑NFET，保护这些器件的栅极免受氧气暴露。用于SRAM单元中的NFET在退火过程中暴露于氧气，这改变了栅极金属的有效功函数，使得阈值电压增加，而不需要增加掺杂剂浓度，这可能不利地影响问题例如由于随机掺杂剂波动，GIDL和结泄漏引起的失配。

4. 发明授权

US08159031B2 SOI substrates and SOI devices, and methods for forming the same 有权
标题翻译： SOI衬底和SOI器件及其形成方法
公开(公告)号：US08159031B2
公开(公告)日：2012-04-17
申请号：US12709873
申请日：2010-02-22
申请人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
发明人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
IPC分类号： H01L27/12
CPC分类号： H01L29/0653 , H01L21/76243 , H01L21/76267 , H01L21/76283 , H01L21/823481 , H01L21/823878 , H01L21/84 , H01L27/1203
摘要： An improved semiconductor-on-insulator (SOI) substrate is provided, which contains a patterned buried insulator layer at varying depths. Specifically, the SOI substrate has a substantially planar upper surface and comprises: (1) first regions that do not contain any buried insulator, (2) second regions that contain first portions of the patterned buried insulator layer at a first depth (i.e., measured from the planar upper surface of the SOI substrate), and (3) third regions that contain second portions of the patterned buried insulator layer at a second depth, where the first depth is larger than the second depth. One or more field effect transistors (FETs) can be formed in the SOI substrate. For example, the FETs may comprise: channel regions in the first regions of the SOI substrate, source and drain regions in the second regions of the SOI substrate, and source/drain extension regions in the third regions of the SOI substrate.
摘要翻译：提供了一种改进的绝缘体上半导体（SOI）衬底，其包含在不同深度处的图案化掩埋绝缘体层。具体而言，SOI衬底具有基本平坦的上表面，并且包括：（1）不包含任何埋入绝缘体的第一区域，（2）第一区域，其包含第一深度处的图案化掩埋绝缘体层的第一部分从SOI衬底的平坦的上表面），和（3）第二深度大于第二深度的第二深度上包含图案化的掩埋绝缘体层的第二部分的第三区域。可以在SOI衬底中形成一个或多个场效应晶体管（FET）。例如，FET可以包括：SOI衬底的第一区域中的沟道区域，SOI衬底的第二区域中的源极和漏极区域以及SOI衬底的第三区域中的源极/漏极延伸区域。

5. 发明授权

US07750429B2 Self-aligned and extended inter-well isolation structure 失效
标题翻译：自对准和扩展的井间隔离结构
公开(公告)号：US07750429B2
公开(公告)日：2010-07-06
申请号：US11748521
申请日：2007-05-15
申请人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
发明人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
IPC分类号： H01L29/78
CPC分类号： H01L21/76229 , H01L21/3086 , H01L21/823878
摘要： A pedestal is formed out of the pad layer such that two edges of the pedestal coincide with a border of the wells as implanted. An extended pedestal is formed over the pedestal by depositing a conformal dielectric layer. The area of the extended pedestal is exposed the semiconductor surface below is recessed to a recess depth. Other trenches including at least one intra-well isolation trench are lithographically patterned. After a reactive ion etch, both an inter-well isolation trench and at least one intra-well isolation trench are formed. The width of the inter-well isolation trench may be reduced due to the deeper bottom surface compared to the prior art structures. The boundary between the p-well and the n-well below the inter-well isolation structure is self-aligned to the middle of the inter-well isolation structure.
摘要翻译：从衬垫层形成基座，使得底座的两个边缘与植入的孔的边界重合。通过沉积保形介电层在基座上形成延伸基座。扩展基座的面积暴露在下方的半导体表面凹陷到凹陷深度。包括至少一个井内隔离沟槽的其它沟槽被光刻图案化。在反应离子蚀刻之后，形成阱间隔离沟槽和至少一个阱间隔离沟槽。与现有技术的结构相比，由于较深的底面，间隙隔离沟槽的宽度可能会降低。在井间隔离结构下面的p阱和n阱之间的边界与井间隔离结构的中间自对准。

6. 发明授权

US07666721B2 SOI substrates and SOI devices, and methods for forming the same 失效
标题翻译： SOI衬底和SOI器件及其形成方法
公开(公告)号：US07666721B2
公开(公告)日：2010-02-23
申请号：US11308292
申请日：2006-03-15
申请人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
发明人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
IPC分类号： H01L21/00
CPC分类号： H01L29/0653 , H01L21/76243 , H01L21/76267 , H01L21/76283 , H01L21/823481 , H01L21/823878 , H01L21/84 , H01L27/1203
摘要： An improved semiconductor-on-insulator (SOI) substrate is provided, which contains a patterned buried insulator layer at varying depths. Specifically, the SOI substrate has a substantially planar upper surface and comprises: (1) first regions that do not contain any buried insulator, (2) second regions that contain first portions of the patterned buried insulator layer at a first depth (i.e., measured from the planar upper surface of the SOI substrate), and (3) third regions that contain second portions of the patterned buried insulator layer at a second depth, where the first depth is larger than the second depth. One or more field effect transistors (FETs) can be formed in the SOI substrate. For example, the FETs may comprise: channel regions in the first regions of the SOI substrate, source and drain regions in the second regions of the SOI substrate, and source/drain extension regions in the third regions of the SOI substrate.
摘要翻译：提供了一种改进的绝缘体上半导体（SOI）衬底，其包含在不同深度处的图案化掩埋绝缘体层。具体而言，SOI衬底具有基本平坦的上表面，并且包括：（1）不包含任何埋入绝缘体的第一区域，（2）第一区域，其包含第一深度处的图案化掩埋绝缘体层的第一部分从SOI衬底的平坦的上表面），和（3）第二深度大于第二深度的第二深度上包含图案化的掩埋绝缘体层的第二部分的第三区域。可以在SOI衬底中形成一个或多个场效应晶体管（FET）。例如，FET可以包括：SOI衬底的第一区域中的沟道区域，SOI衬底的第二区域中的源极和漏极区域以及SOI衬底的第三区域中的源极/漏极延伸区域。

7. 发明申请

US20080283962A1 SELF-ALIGNED AND EXTENDED INTER-WELL ISOLATION STRUCTURE 失效
标题翻译：自对准和扩展的隔离隔离结构
公开(公告)号：US20080283962A1
公开(公告)日：2008-11-20
申请号：US11748521
申请日：2007-05-15
申请人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
发明人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
IPC分类号： H01L29/00 , H01L21/762
CPC分类号： H01L21/76229 , H01L21/3086 , H01L21/823878
摘要： A pedestal is formed out of the pad layer such that two edges of the pedestal coincide with a border of the wells as implanted. An extended pedestal is formed over the pedestal by depositing a conformal dielectric layer. The area of the extended pedestal is exposed the semiconductor surface below is recessed to a recess depth. Other trenches including at least one intra-well isolation trench are lithographically patterned. After a reactive ion etch, both an inter-well isolation trench and at least one intra-well isolation trench are formed. The width of the inter-well isolation trench may be reduced due to the deeper bottom surface compared to the prior art structures. The boundary between the p-well and the n-well below the inter-well isolation structure is self-aligned to the middle of the inter-well isolation structure.
摘要翻译：从衬垫层形成基座，使得底座的两个边缘与植入的孔的边界重合。通过沉积保形介电层在基座上形成延伸基座。扩展基座的面积暴露在下方的半导体表面凹陷到凹陷深度。包括至少一个井内隔离沟槽的其它沟槽被光刻图案化。在反应离子蚀刻之后，形成阱间隔离沟槽和至少一个阱间隔离沟槽。与现有技术的结构相比，由于较深的底面，间隙隔离沟槽的宽度可能会降低。在井间隔离结构下面的p阱和n阱之间的边界与井间隔离结构的中间自对准。

8. 发明申请

US20100148259A1 SOI SUBSTRATES AND SOI DEVICES, AND METHODS FOR FORMING THE SAME 有权
标题翻译： SOI衬底和SOI器件及其形成方法
公开(公告)号：US20100148259A1
公开(公告)日：2010-06-17
申请号：US12709873
申请日：2010-02-22
申请人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
发明人： Thomas W. Dyer , Zhijiong Luo , Haining S. Yang
IPC分类号： H01L27/12 , H01L29/78
CPC分类号： H01L29/0653 , H01L21/76243 , H01L21/76267 , H01L21/76283 , H01L21/823481 , H01L21/823878 , H01L21/84 , H01L27/1203
摘要： An improved semiconductor-on-insulator (SOI) substrate is provided, which contains a patterned buried insulator layer at varying depths. Specifically, the SOI substrate has a substantially planar upper surface and comprises: (1) first regions that do not contain any buried insulator, (2) second regions that contain first portions of the patterned buried insulator layer at a first depth (i.e., measured from the planar upper surface of the SOI substrate), and (3) third regions that contain second portions of the patterned buried insulator layer at a second depth, where the first depth is larger than the second depth. One or more field effect transistors (FETs) can be formed in the SOI substrate. For example, the FETs may comprise: channel regions in the first regions of the SOI substrate, source and drain regions in the second regions of the SOI substrate, and source/drain extension regions in the third regions of the SOI substrate.
摘要翻译：提供了一种改进的绝缘体上半导体（SOI）衬底，其包含在不同深度处的图案化掩埋绝缘体层。具体而言，SOI衬底具有基本平坦的上表面，并且包括：（1）不包含任何埋入绝缘体的第一区域，（2）第一区域，其包含第一深度处的图案化掩埋绝缘体层的第一部分从SOI衬底的平坦的上表面），和（3）第二深度大于第二深度的第二深度上包含图案化的掩埋绝缘体层的第二部分的第三区域。可以在SOI衬底中形成一个或多个场效应晶体管（FET）。例如，FET可以包括：SOI衬底的第一区域中的沟道区域，SOI衬底的第二区域中的源极和漏极区域以及SOI衬底的第三区域中的源极/漏极延伸区域。

9. 发明授权

US08217470B2 Field effect device including recessed and aligned germanium containing channel 有权
标题翻译：场效应器件包括凹入和对准的含锗通道
公开(公告)号：US08217470B2
公开(公告)日：2012-07-10
申请号：US12702682
申请日：2010-02-09
申请人： Xiangdong Chen , Brian J. Greene , Haining S. Yang
发明人： Xiangdong Chen , Brian J. Greene , Haining S. Yang
IPC分类号： H01L29/78 , H01L21/336
CPC分类号： H01L29/7848 , H01L21/28194 , H01L29/1054 , H01L29/495 , H01L29/4966 , H01L29/517 , H01L29/665 , H01L29/66545 , H01L29/6656 , H01L29/66651
摘要： A field effect structure and a method for fabricating the field effect structure include a germanium containing channel interposed between a plurality of source and drain regions. The germanium containing channel is coplanar with the plurality of source and drain regions, and the germanium containing channel includes a germanium containing material having a germanium content greater than the germanium content of the plurality of source and drain regions.
摘要翻译：场效应结构和用于制造场效应结构的方法包括介于多个源区和漏区之间的含锗通道。含锗通道与多个源极和漏极区域共面，并且含锗沟道包括锗含量大于多个源极和漏极区的锗含量的含锗材料。

10. 发明授权

US07935993B2 Semiconductor device structure having enhanced performance FET device 有权
标题翻译：具有增强型FET器件的半导体器件结构
公开(公告)号：US07935993B2
公开(公告)日：2011-05-03
申请号：US12643482
申请日：2009-12-21
申请人： Xiangdong Chen , Haining S. Yang
发明人： Xiangdong Chen , Haining S. Yang
IPC分类号： H01L29/76
CPC分类号： H01L21/823807 , H01L29/6653 , H01L29/6656 , H01L29/6659 , H01L29/7833 , H01L29/7843
摘要： A method for making a semiconductor device structure, includes: providing a substrate; forming on the substrate: a first layer below and second layers on a gate with spacers, source and drain regions adjacent to the gate, silicides on the gate and source and drain regions; disposing a stress layer over the structure resulting from the forming step; disposing an insulating layer over the stress layer; removing portions of the insulating layer to expose a top surface of the stress layer; removing the top surface and other portions of the stress layer and portions of the spacers to form a trench, and then disposing a suitable stress material into the trench.
摘要翻译：一种制造半导体器件结构的方法，包括：提供衬底; 在衬底上形成：在栅极上的第一层和栅极上的第二层，具有间隔物，与栅极相邻的源极和漏极区域，栅极上的硅化物和源极和漏极区域; 在由成形步骤导致的结构上设置应力层; 在应力层上设置绝缘层; 去除绝缘层的部分以暴露应力层的顶表面; 去除应力层的顶表面和其它部分和间隔物的部分以形成沟槽，然后将合适的应力材料设置到沟槽中。

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