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1. 发明申请

US20100090288A1 METHOD OF FORMING SOURCE AND DRAIN OF A FIELD-EFFECT-TRANSISTOR AND STRUCTURE THEREOF 有权
标题翻译：形成源极和场效应晶体管的方法及其结构
公开(公告)号：US20100090288A1
公开(公告)日：2010-04-15
申请号：US12248970
申请日：2008-10-10
申请人： Judson R. Holt , Abhishek Dube , Eric C.T. Harley , Shwu-Jen Jeng , Jeremy J. Kempisty , Hasan Munir Nayfeh , Keith Howard Tabakman
发明人： Judson R. Holt , Abhishek Dube , Eric C.T. Harley , Shwu-Jen Jeng , Jeremy J. Kempisty , Hasan Munir Nayfeh , Keith Howard Tabakman
IPC分类号： H01L29/00 , H01L21/8238
CPC分类号： H01L29/7848 , H01L27/11 , H01L27/1104 , H01L29/1083 , H01L29/165 , H01L29/66628 , H01L29/66636
摘要： A semiconductor fabrication method involving the use of eSiGe is disclosed. The eSiGe approach is useful for applying the desired stresses to the channel region of a field effect transistor, but also can introduce complications into the semiconductor fabrication process. Embodiments of the present invention disclose a two-step fabrication process in which a first layer of eSiGe is applied using a low hydrogen flow rate, and a second eSiGe layer is applied using a higher hydrogen flow rate. This method provides a way to balance the tradeoff of morphology, and fill consistency when using eSiGe. Embodiments of the present invention promote a pinned morphology, which reduces device sensitivity to epitaxial thickness, while also providing a more consistent fill volume, amongst various device widths, thereby providing a more consistent eSiGe semiconductor fabrication process.
摘要翻译：公开了涉及使用eSiGe的半导体制造方法。 eSiGe方法对于将期望的应力施加到场效应晶体管的沟道区域是有用的，但是也可能在半导体制造工艺中引入复杂性。本发明的实施方案公开了两步制备方法，其中使用低氢气流速施加第一层eSiGe，并且使用更高的氢气流速施加第二eSiGe层。这种方法提供了一种平衡形态权衡的方法，并在使用eSiGe时填补一致性。本发明的实施例促进了钉扎形态，其降低了对外延厚度的器件灵敏度，同时还在各种器件宽度之间提供更一致的填充体积，从而提供更一致的eSiGe半导体制造工艺。

2. 发明授权

US08084788B2 Method of forming source and drain of a field-effect-transistor and structure thereof 有权
标题翻译：形成场效应晶体管的源极和漏极的方法及其结构
公开(公告)号：US08084788B2
公开(公告)日：2011-12-27
申请号：US12248970
申请日：2008-10-10
申请人： Judson Robert Holt , Abhishek Dube , Eric C. T. Harley , Shwu-Jen Jeng , Jeremy J Kempisty , Hasan Munir Nayfeh , Keith Howard Tabakman
发明人： Judson Robert Holt , Abhishek Dube , Eric C. T. Harley , Shwu-Jen Jeng , Jeremy J Kempisty , Hasan Munir Nayfeh , Keith Howard Tabakman
IPC分类号： H01L29/76 , H01L29/00
CPC分类号： H01L29/7848 , H01L27/11 , H01L27/1104 , H01L29/1083 , H01L29/165 , H01L29/66628 , H01L29/66636
摘要： A semiconductor fabrication method involving the use of eSiGe is disclosed. The eSiGe approach is useful for applying the desired stresses to the channel region of a field effect transistor, but also can introduce complications into the semiconductor fabrication process. Embodiments of the present invention disclose a two-step fabrication process in which a first layer of eSiGe is applied using a low hydrogen flow rate, and a second eSiGe layer is applied using a higher hydrogen flow rate. This method provides a way to balance the tradeoff of morphology, and fill consistency when using eSiGe. Embodiments of the present invention promote a pinned morphology, which reduces device sensitivity to epitaxial thickness, while also providing a more consistent fill volume, amongst various device widths, thereby providing a more consistent eSiGe semiconductor fabrication process.
摘要翻译：公开了涉及使用eSiGe的半导体制造方法。 eSiGe方法对于将期望的应力施加到场效应晶体管的沟道区域是有用的，但是也可能在半导体制造工艺中引入复杂性。本发明的实施方案公开了两步制备方法，其中使用低氢气流速施加第一层eSiGe，并且使用更高的氢气流速施加第二eSiGe层。这种方法提供了一种平衡形态权衡的方法，并在使用eSiGe时填补一致性。本发明的实施例促进了钉扎形态，其降低了对外延厚度的器件灵敏度，同时还在各种器件宽度之间提供更一致的填充体积，从而提供更一致的eSiGe半导体制造工艺。

3. 发明申请

US20120112208A1 STRESSED TRANSISTOR WITH IMPROVED METASTABILITY 有权
标题翻译：具有改进的均匀性的应力晶体管
公开(公告)号：US20120112208A1
公开(公告)日：2012-05-10
申请号：US12942289
申请日：2010-11-09
申请人： THOMAS N. ADAM , Stephen W. Bedell , Abhishek Dube , Eric C.T. Harley , Judson R. Holt , Alexander Reznicek , Devendra K. Sadana , Dominic J. Schepis , Matthew W. Stoker , Keith H. Tabakman
发明人： THOMAS N. ADAM , Stephen W. Bedell , Abhishek Dube , Eric C.T. Harley , Judson R. Holt , Alexander Reznicek , Devendra K. Sadana , Dominic J. Schepis , Matthew W. Stoker , Keith H. Tabakman
IPC分类号： H01L29/772 , H01L29/24 , H01L21/336
CPC分类号： H01L29/78 , H01L21/28525 , H01L21/76805 , H01L21/76877 , H01L21/823807 , H01L21/823814 , H01L21/823871 , H01L29/66628 , H01L29/66636 , H01L29/7848
摘要： An embedded, strained epitaxial semiconductor material, i.e., an embedded stressor element, is formed at the footprint of at least one pre-fabricated field effect transistor that includes at least a patterned gate stack, a source region and a drain region. As a result, the metastability of the embedded, strained epitaxial semiconductor material is preserved and implant and anneal based relaxation mechanisms are avoided since the implants and anneals are performed prior to forming the embedded, strained epitaxial semiconductor material.
摘要翻译：在至少一个预制的场效应晶体管的覆盖区上形成嵌入的应变外延半导体材料，即嵌入的应力元件，该至少一个预制的场效应晶体管至少包括图案化的栅叠层，源极区和漏极区。结果，保留嵌入的应变外延半导体材料的亚稳态，并且避免基于植入和退火的松弛机制，因为在形成嵌入的应变外延半导体材料之前执行注入和退火。

4. 发明授权

US08492234B2 Field effect transistor device 有权
公开(公告)号：US08492234B2
公开(公告)日：2013-07-23
申请号：US12825791
申请日：2010-06-29
申请人： Kevin K. Chan , Abhishek Dube , Eric C. Harley , Judson R. Holt , Viorel C. Ontalus , Kathryn T. Schonenberg , Matthew W. Stoker , Keith H. Tabakman , Linda R. Black
发明人： Kevin K. Chan , Abhishek Dube , Eric C. Harley , Judson R. Holt , Viorel C. Ontalus , Kathryn T. Schonenberg , Matthew W. Stoker , Keith H. Tabakman , Linda R. Black
IPC分类号： H01L21/336
CPC分类号： H01L29/7848 , H01L21/26586 , H01L21/823412 , H01L21/823425 , H01L21/823481 , H01L21/823807 , H01L21/823814 , H01L21/84 , H01L29/66628 , H01L29/66772 , H01L29/78618 , H01L29/78684
摘要： A method for forming a field effect transistor device includes forming a gate stack portion on a substrate, forming a spacer portion on the gates stack portion and a portion of the substrate, removing an exposed portion of the substrate, epitaxially growing a first silicon material on the exposed portion of the substrate, removing a portion of the epitaxially grown first silicon material to expose a second portion of the substrate, and epitaxially growing a second silicon material on the exposed second portion of the substrate and the first silicon material.

5. 发明授权

US08361859B2 Stressed transistor with improved metastability 有权
标题翻译：具有改善的亚稳态的强调晶体管
公开(公告)号：US08361859B2
公开(公告)日：2013-01-29
申请号：US12942289
申请日：2010-11-09
申请人： Thomas N. Adam , Stephen W. Bedell , Abhishek Dube , Eric C. T. Harley , Judson R. Holt , Alexander Reznicek , Devendra K. Sadana , Dominic J. Schepis , Matthew W. Stoker , Keith H. Tabakman
发明人： Thomas N. Adam , Stephen W. Bedell , Abhishek Dube , Eric C. T. Harley , Judson R. Holt , Alexander Reznicek , Devendra K. Sadana , Dominic J. Schepis , Matthew W. Stoker , Keith H. Tabakman
IPC分类号： H01L21/8238
CPC分类号： H01L29/78 , H01L21/28525 , H01L21/76805 , H01L21/76877 , H01L21/823807 , H01L21/823814 , H01L21/823871 , H01L29/66628 , H01L29/66636 , H01L29/7848
摘要： An embedded, strained epitaxial semiconductor material, i.e., an embedded stressor element, is formed at the footprint of at least one pre-fabricated field effect transistor that includes at least a patterned gate stack, a source region and a drain region. As a result, the metastability of the embedded, strained epitaxial semiconductor material is preserved and implant and anneal based relaxation mechanisms are avoided since the implants and anneals are performed prior to forming the embedded, strained epitaxial semiconductor material.
摘要翻译：在至少一个预制的场效应晶体管的覆盖区上形成嵌入的应变外延半导体材料，即嵌入的应力元件，该至少一个预制的场效应晶体管至少包括图案化的栅叠层，源极区和漏极区。结果，保留嵌入的应变外延半导体材料的亚稳态，并且避免基于植入和退火的松弛机制，因为在形成嵌入的应变外延半导体材料之前执行注入和退火。

6. 发明授权

US08236660B2 Monolayer dopant embedded stressor for advanced CMOS 有权
标题翻译：单层掺杂剂嵌入式应力器用于高级CMOS
公开(公告)号：US08236660B2
公开(公告)日：2012-08-07
申请号：US12764329
申请日：2010-04-21
申请人： Kevin K. Chan , Abhishek Dube , Judson R. Holt , Jinghong Li , Joseph S. Newbury , Viorel Ontalus , Dae-Gyu Park , Zhengmao Zhu
发明人： Kevin K. Chan , Abhishek Dube , Judson R. Holt , Jinghong Li , Joseph S. Newbury , Viorel Ontalus , Dae-Gyu Park , Zhengmao Zhu
IPC分类号： H01L21/336
CPC分类号： H01L29/7848 , H01L21/823807 , H01L21/823814 , H01L29/165 , H01L29/6656 , H01L29/66636 , H01L29/7834
摘要： Semiconductor structures are disclosed that have embedded stressor elements therein. The disclosed structures include at least one FET gate stack located on an upper surface of a semiconductor substrate. The at least one FET gate stack includes source and drain extension regions located within the semiconductor substrate at a footprint of the at least one FET gate stack. A device channel is also present between the source and drain extension regions and beneath the at least one gate stack. The structure further includes embedded stressor elements located on opposite sides of the at least one FET gate stack and within the semiconductor substrate. Each of the embedded stressor elements includes a lower layer of a first epitaxy doped semiconductor material having a lattice constant that is different from a lattice constant of the semiconductor substrate and imparts a strain in the device channel, and an upper layer of a second epitaxy doped semiconductor material located atop the lower layer. The lower layer of the first epitaxy doped semiconductor material has a lower content of dopant as compared to the upper layer of the second epitaxy doped semiconductor material. The structure further includes at least one monolayer of dopant located within the upper layer of each of the embedded stressor elements. The at least one monolayer of dopant is in direct contact with an edge of either the source extension region or the drain extension region.
摘要翻译：公开了在其中具有嵌入的应力元件的半导体结构。所公开的结构包括位于半导体衬底的上表面上的至少一个FET栅极堆叠。所述至少一个FET栅极堆叠包括在所述至少一个FET栅极堆叠中的覆盖区域处位于所述半导体衬底内的源极和漏极延伸区域。器件沟道也存在于源极延伸区域和漏极延伸区域之间以及至少一个栅极堆叠层下方。该结构还包括位于至少一个FET栅极堆叠的相对侧上并且位于半导体衬底内的嵌入式应力元件。每个嵌入式应力元件包括第一外延掺杂半导体材料的下层，其具有不同于半导体衬底的晶格常数的晶格常数并且在器件沟道中施加应变，并且第二外延掺杂的上层半导体材料位于下层的顶部。与第二外延掺杂半导体材料的上层相比，第一外延掺杂半导体材料的下层具有较低的掺杂剂含量。该结构还包括位于每个嵌入的应力元件的上层内的至少一层掺杂剂单层。所述至少一个掺杂剂单层与源极延伸区域或漏极延伸区域的边缘直接接触。

7. 发明申请

US20110260213A1 MONOLAYER DOPANT EMBEDDED STRESSOR FOR ADVANCED CMOS 有权
标题翻译：用于高级CMOS的单层掺杂嵌入式压电器
公开(公告)号：US20110260213A1
公开(公告)日：2011-10-27
申请号：US12764329
申请日：2010-04-21
申请人： Kevin K. Chan , Abhishek Dube , Judson R. Holt , Jinghong Li , Joseph S. Newbury , Viorel Ontalus , Dae-Gyu Park , Zhengmao Zhu
发明人： Kevin K. Chan , Abhishek Dube , Judson R. Holt , Jinghong Li , Joseph S. Newbury , Viorel Ontalus , Dae-Gyu Park , Zhengmao Zhu
IPC分类号： H01L29/772 , H01L21/335
CPC分类号： H01L29/7848 , H01L21/823807 , H01L21/823814 , H01L29/165 , H01L29/6656 , H01L29/66636 , H01L29/7834
摘要： Semiconductor structures are disclosed that have embedded stressor elements therein. The disclosed structures include at least one FET gate stack located on an upper surface of a semiconductor substrate. The at least one FET gate stack includes source and drain extension regions located within the semiconductor substrate at a footprint of the at least one FET gate stack. A device channel is also present between the source and drain extension regions and beneath the at least one gate stack. The structure further includes embedded stressor elements located on opposite sides of the at least one FET gate stack and within the semiconductor substrate. Each of the embedded stressor elements includes a lower layer of a first epitaxy doped semiconductor material having a lattice constant that is different from a lattice constant of the semiconductor substrate and imparts a strain in the device channel, and an upper layer of a second epitaxy doped semiconductor material located atop the lower layer. The lower layer of the first epitaxy doped semiconductor material has a lower content of dopant as compared to the upper layer of the second epitaxy doped semiconductor material. The structure further includes at least one monolayer of dopant located within the upper layer of each of the embedded stressor elements. The at least one monolayer of dopant is in direct contact with an edge of either the source extension region or the drain extension region.
摘要翻译：公开了在其中具有嵌入的应力元件的半导体结构。所公开的结构包括位于半导体衬底的上表面上的至少一个FET栅极堆叠。所述至少一个FET栅极堆叠包括在所述至少一个FET栅极堆叠中的覆盖区域处位于所述半导体衬底内的源极和漏极延伸区域。器件沟道也存在于源极延伸区域和漏极延伸区域之间以及至少一个栅极堆叠层下方。该结构还包括位于至少一个FET栅极堆叠的相对侧上并且位于半导体衬底内的嵌入式应力元件。每个嵌入式应力元件包括第一外延掺杂半导体材料的下层，其具有不同于半导体衬底的晶格常数的晶格常数并且在器件沟道中施加应变，并且第二外延掺杂的上层半导体材料位于下层的顶部。与第二外延掺杂半导体材料的上层相比，第一外延掺杂半导体材料的下层具有较低的掺杂剂含量。该结构还包括位于每个嵌入的应力元件的上层内的至少一层掺杂剂单层。所述至少一个掺杂剂单层与源极延伸区域或漏极延伸区域的边缘直接接触。

8. 发明授权

US08426265B2 Method for growing strain-inducing materials in CMOS circuits in a gate first flow 有权
标题翻译：在栅极第一流中在CMOS电路中增长应变诱导材料的方法
公开(公告)号：US08426265B2
公开(公告)日：2013-04-23
申请号：US12938457
申请日：2010-11-03
申请人： Bo Bai , Linda Black , Abhishek Dube , Judson R. Holt , Viorel C. Ontalus , Kathryn T. Schonenberg , Matthew W. Stoker , Keith H. Tabakman
发明人： Bo Bai , Linda Black , Abhishek Dube , Judson R. Holt , Viorel C. Ontalus , Kathryn T. Schonenberg , Matthew W. Stoker , Keith H. Tabakman
IPC分类号： H01L21/8238
CPC分类号： H01L21/823807 , H01L21/823828
摘要： A method of manufacturing a complementary metal oxide semiconductor (CMOS) circuit, in which the method includes a reactive ion etch (RIE) of a CMOS circuit substrate that forms recesses, the CMOS circuit substrate including: an n-type field effect transistor (n-FET) region; a p-type field effect transistor (p-FET) region; an isolation region disposed between the n-FET and p-FET regions; and a gate wire comprising an n-FET gate, a p-FET gate, and gate material extending transversely from the n-FET gate across the isolation region to the p-FET gate, in which the recesses are formed adjacent to sidewalls of a reduced thickness; growing silicon germanium (SiGe) in the recesses; depositing a thin insulator layer on the CMOS circuit substrate; masking at least the p-FET region; removing the thin insulator layer from an unmasked n-FET region and an unmasked portion of the isolation region; etching the CMOS circuit substrate with hydrogen chloride (HCl) to remove the SiGe from the recesses in the n-FET region; and growing silicon carbon (SiC) in the exposed recesses.
摘要翻译：一种制造互补金属氧化物半导体（CMOS）电路的方法，其中所述方法包括形成凹部的CMOS电路基板的反应离子蚀刻（RIE），所述CMOS电路基板包括：n型场效应晶体管（n -FET）区域; p型场效应晶体管（p-FET）区域; 设置在n-FET和p-FET区之间的隔离区; 以及栅极线，其包括n-FET栅极，p-FET栅极和栅极材料，栅极材料从跨越隔离区域的n-FET栅极横向延伸到p-FET栅极，其中凹部形成为邻近于厚度减小在凹槽中生长硅锗（SiGe）; 在CMOS电路衬底上沉积薄的绝缘体层; 至少掩蔽p-FET区域; 从未掩蔽的n-FET区域和所述隔离区域的未屏蔽部分去除所述薄绝缘体层; 用氯化氢（HCl）蚀刻CMOS电路衬底以从n-FET区域中的凹槽去除SiGe; 并在暴露的凹槽中生长硅碳（SiC）。

9. 发明授权

US08421191B2 Monolayer dopant embedded stressor for advanced CMOS 有权
标题翻译：单层掺杂剂嵌入式应力器用于高级CMOS
公开(公告)号：US08421191B2
公开(公告)日：2013-04-16
申请号：US13533499
申请日：2012-06-26
申请人： Kevin K. Chan , Abhishek Dube , Judson R. Holt , Jinghong Li , Joseph S. Newbury , Viorel Ontalus , Dae-Gyu Park , Zhengmao Zhu
发明人： Kevin K. Chan , Abhishek Dube , Judson R. Holt , Jinghong Li , Joseph S. Newbury , Viorel Ontalus , Dae-Gyu Park , Zhengmao Zhu
IPC分类号： H01L31/117
CPC分类号： H01L29/7848 , H01L21/823807 , H01L21/823814 , H01L29/165 , H01L29/6656 , H01L29/66636 , H01L29/7834
摘要： Semiconductor structures are disclosed that include at least one FET gate stack located on a semiconductor substrate. The at least one FET gate stack includes source and drain extension regions located within the semiconductor substrate. A device channel is also present between the source and drain extension regions and beneath the at least one gate stack. Embedded stressor elements are located on opposite sides of the at least one FET gate stack and within the semiconductor substrate. Each stressor element includes a lower layer of a first epitaxy doped semiconductor material having a lattice constant that is different from a lattice constant of the semiconductor substrate and imparts a strain in the device channel, and an upper layer of a second epitaxy doped semiconductor material. At least one monolayer of dopant is located within the upper layer of each of the embedded stressor elements.
摘要翻译：公开了包括位于半导体衬底上的至少一个FET栅叠层的半导体结构。所述至少一个FET栅极堆叠包括位于半导体衬底内的源极和漏极延伸区域。器件沟道也存在于源极延伸区域和漏极延伸区域之间以及至少一个栅极堆叠层下方。嵌入式应力元件位于至少一个FET栅极堆叠的相对侧并且位于半导体衬底内。每个应力元件包括第一外延掺杂半导体材料的下层，其具有不同于半导体衬底的晶格常数的晶格常数并且在器件沟道中施加应变，以及第二外延掺杂半导体材料的上层。至少一个单层的掺杂剂位于每个嵌入的应力元件的上层内。

10. 发明申请

US20110316046A1 Field Effect Transistor Device 有权
标题翻译：场效应晶体管器件
公开(公告)号：US20110316046A1
公开(公告)日：2011-12-29
申请号：US12825791
申请日：2010-06-29
申请人： Kevin K. Chan , Abhishek Dube , Eric C. Harley , Judson R. Holt , Viorel C. Ontalus , Kathryn T. Schonenberg , Matthew W. Stoker , Keith H. Tabakman , Linda R. Black
发明人： Kevin K. Chan , Abhishek Dube , Eric C. Harley , Judson R. Holt , Viorel C. Ontalus , Kathryn T. Schonenberg , Matthew W. Stoker , Keith H. Tabakman , Linda R. Black
IPC分类号： H01L29/78 , H01L21/336
CPC分类号： H01L29/7848 , H01L21/26586 , H01L21/823412 , H01L21/823425 , H01L21/823481 , H01L21/823807 , H01L21/823814 , H01L21/84 , H01L29/66628 , H01L29/66772 , H01L29/78618 , H01L29/78684
摘要： A method for forming a field effect transistor device includes forming a gate stack portion on a substrate, forming a spacer portion on the gates stack portion and a portion of the substrate, removing an exposed portion of the substrate, epitaxially growing a first silicon material on the exposed portion of the substrate, removing a portion of the epitaxially grown first silicon material to expose a second portion of the substrate, and epitaxially growing a second silicon material on the exposed second portion of the substrate and the first silicon material.
摘要翻译：一种用于形成场效应晶体管器件的方法，包括：在衬底上形成栅极叠层部分，在栅堆叠部分和衬底的一部分上形成间隔部分，去除衬底的暴露部分，将第一硅材料外延生长衬底的暴露部分，去除外延生长的第一硅材料的一部分以暴露衬底的第二部分，以及在衬底的暴露的第二部分和第一硅材料上外延生长第二硅材料。

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