公开(公告)号：US07723791B2

公开(公告)日：2010-05-25

申请号：US12192573

申请日：2008-08-15

申请人： Huilong Zhu ,  Bruce B. Doris ,  Huajie Chen ,  Patricia M. Mooney ,  Stephen W. Bedell

发明人： Huilong Zhu ,  Bruce B. Doris ,  Huajie Chen ,  Patricia M. Mooney ,  Stephen W. Bedell

IPC分类号： H01L29/786

CPC分类号： H01L27/1203 ,  H01L21/76254 ,  H01L21/823807 ,  H01L21/823878 ,  H01L21/84

摘要： The present invention provides a strained Si directly on insulator (SSDOI) substrate having multiple crystallographic orientations and a method of forming thereof. Broadly, but in specific terms, the inventive SSDOI substrate includes a substrate; an insulating layer atop the substrate; and a semiconducting layer positioned atop and in direct contact with the insulating layer, the semiconducting layer comprising a first strained Si region and a second strained Si region; wherein the first strained Si region has a crystallographic orientation different from the second strained Si region and the first strained Si region has a crystallographic orientation the same or different from the second strained Si region. The strained level of the first strained Si region is different from that of the second strained Si region.

摘要翻译： 本发明提供了具有多个结晶取向的应变Si直接绝缘体（SSDOI）基板及其形成方法。 广义上，但是具体来说，本发明的SSDOI基板包括基板; 衬底顶部的绝缘层; 以及位于顶部并与绝缘层直接接触的半导体层，所述半导体层包括第一应变Si区和第二应变Si区; 其中所述第一应变Si区具有不同于所述第二应变Si区的晶体取向，并且所述第一应变Si区具有与所述第二应变Si区相同或不同的晶体取向。 第一应变Si区域的应变水平与第二应变Si区域的应变水平不同。

公开(公告)号：US07713806B2

公开(公告)日：2010-05-11

申请号：US12352504

申请日：2009-01-12

申请人： Huilong Zhu ,  Bruce B. Doris ,  Huajie Chen

发明人： Huilong Zhu ,  Bruce B. Doris ,  Huajie Chen

IPC分类号： H01L21/00 ,  H01L21/84 ,  H01L21/336 ,  H01L21/8234

CPC分类号： H01L29/7845 ,  H01L21/28035 ,  H01L21/823807 ,  H01L21/823828 ,  H01L21/84 ,  H01L27/1203 ,  H01L29/4925 ,  H01L29/66545 ,  H01L29/7842

摘要： Structures and methods of manufacturing are disclosed of dislocation free stressed channels in bulk silicon and SOI (silicon on insulator) CMOS (complementary metal oxide semiconductor) devices by gate stress engineering with SiGe and/or Si:C. A CMOS device comprises a substrate of either bulk Si or SOI, a gate dielectric layer over the substrate, and a stacked gate structure of SiGe and/or Si:C having stresses produced at the interfaces of SSi (strained Si)/SiGe or SSi/Si:C in the stacked gate structure. The stacked gate structure has a first stressed film layer of large grain size Si or SiGe over the gate dielectric layer, a second stressed film layer of strained SiGe or strained Si:C over the first stressed film layer, and a semiconductor or conductor such as p(poly)-Si over the second stressed film layer.

摘要翻译： 公开了通过具有SiGe和/或Si：C的栅极应力工程的体硅和SOI（绝缘体上硅）CMOS（互补金属氧化物半导体）器件中的无位错应力通道的结构和方法。 CMOS器件包括块体Si或SOI的衬底，衬底上的栅极介电层，以及SiGe和/或Si：C的层叠栅极结构，其具有在SSi（应变Si）/ SiGe或SSi的界面处产生的应力 / Si：C在堆叠栅结构中。 层叠栅极结构在栅介质层上具有大晶粒尺寸的Si或SiGe的第一应力膜层，在第一应力膜层上的应变SiGe或应变Si：C的第二应力膜层，以及半导体或导体 p（聚）-Si在第二应力膜层上。

公开(公告)号：US07224033B2

公开(公告)日：2007-05-29

申请号：US10906335

申请日：2005-02-15

申请人： Huilong Zhu ,  Bruce B. Doris

发明人： Huilong Zhu ,  Bruce B. Doris

IPC分类号： H01L29/76 ,  H01L23/62 ,  H01L29/94 ,  H01L31/062 ,  H01L31/113

CPC分类号： H01L29/785 ,  H01L29/4908 ,  H01L29/66795 ,  H01L29/66803 ,  H01L29/7842 ,  H01L29/7854 ,  H01L29/78645 ,  H01L2924/0002 ,  H01L2924/00

摘要： A part of the gate of a FINFET is replaced with a stress material to apply stress to the channel of the FINFET to enhance electron and hole mobility and improve performance. The FINFET has a SiGe/Si stacked gate, and before silicidation the SiGe part of the gate is selectively etched to form a gate gap that makes the gate thin enough to be fully silicidated. After silicidation, the gate-gap is filled with a stress nitride film to create stress in the channel and enhance the performance of the FINFET.

摘要翻译： FINFET栅极的一部分由应力材料代替，以对FINFET的沟道施加应力，以增强电子和空穴的迁移率并提高性能。 FINFET具有SiGe / Si堆叠栅极，并且在硅化之前，选择性地蚀刻栅极的SiGe部分以形成栅极间隙，使得栅极足够薄以完全硅化。 在硅化之后，栅间隙填充有应力氮化物膜，以在沟道中产生应力并增强FINFET的性能。

公开(公告)号：US07173312B2

公开(公告)日：2007-02-06

申请号：US10905101

申请日：2004-12-15

申请人： Cyril Cabral, Jr. ,  Bruce B. Doris ,  Thomas S. Kanarsky ,  Xiao H. Liu ,  Huilong Zhu

发明人： Cyril Cabral, Jr. ,  Bruce B. Doris ,  Thomas S. Kanarsky ,  Xiao H. Liu ,  Huilong Zhu

IPC分类号： H01L29/76

CPC分类号： H01L29/7845 ,  H01L21/3215 ,  H01L21/823807 ,  H01L21/823835 ,  H01L21/823842 ,  H01L29/4966 ,  H01L29/517 ,  H01L29/665

摘要： A semiconductor structure and method that is capable of generating a local mechanical gate stress for channel mobility modification are provided. The semiconductor structure includes at least one NFET and at least one PFET on a surface of a semiconductor substrate. The at least one NFET has a gate stack structure comprising a gate dielectric, a first gate electrode layer, a barrier layer, a Si-containing second gate electrode layer and a compressive metal, and the at least one PFET has a gate stack structure comprising a gate dielectric, a first gate electrode layer, a barrier layer and a tensile metal or a silicide.

摘要翻译： 提供了能够产生用于信道迁移率修改的局部机械栅极应力的半导体结构和方法。 半导体结构在半导体衬底的表面上包括至少一个NFET和至少一个PFET。 所述至少一个NFET具有包括栅极电介质，第一栅极电极层，阻挡层，含Si的第二栅极电极层和压缩金属的栅极堆叠结构，并且所述至少一个PFET具有包括 栅极电介质，第一栅电极层，阻挡层和拉伸金属或硅化物。

公开(公告)号：US07015082B2

公开(公告)日：2006-03-21

申请号：US10701526

申请日：2003-11-06

申请人： Bruce B. Doris ,  Oleg G. Gluschenkov ,  Huilong Zhu

发明人： Bruce B. Doris ,  Oleg G. Gluschenkov ,  Huilong Zhu

IPC分类号： H01L21/00 ,  H01L21/84 ,  H01L21/336 ,  H01L21/8237 ,  H01L27/01 ,  H01L29/76

CPC分类号： H01L29/7842 ,  H01L21/823807 ,  H01L21/823828

摘要： A semiconductor device has selectively applied thin tensile films and thin compressive films, as well as thick tensile films and thick compressive films, to enhance electron and hole mobility in CMOS circuits. Fabrication entails steps of applying each film, and selectively removing each applied film from areas that would not experience performance benefit from the applied stressed film.

摘要翻译： 半导体器件已经选择性地施加薄的拉伸膜和薄的压缩膜，以及厚的拉伸膜和厚的压缩膜，以增强CMOS电路中的电子和空穴迁移率。 制造需要施加每个膜的步骤，并且从施加的应力膜不会经历性能的区域中选择性地去除每个施加的膜。

公开(公告)号：US08889562B2

公开(公告)日：2014-11-18

申请号：US13555306

申请日：2012-07-23

申请人： Kangguo Cheng ,  Bruce B. Doris ,  Ali Khakifirooz ,  Ying Zhang

发明人： Kangguo Cheng ,  Bruce B. Doris ,  Ali Khakifirooz ,  Ying Zhang

IPC分类号： H01L21/302

CPC分类号： H01L21/3086 ,  H01B13/00 ,  H01B19/04 ,  H01L21/0337 ,  H01L21/3081 ,  H01L21/32134 ,  H01L21/32137

摘要： Disclosed is an improved double patterning method for forming openings (e.g., vias or trenches) or mesas on a substrate. This method avoids the wafer topography effects seen in prior art double patterning techniques by ensuring that the substrate itself is only subjected to a single etch process. Specifically, in the method, a first mask layer is formed on the substrate and processed such that it has a doped region and multiple undoped regions within the doped region. Then, either the undoped regions or the doped region can be selectively removed in order to form a mask pattern above the substrate. Once the mask pattern is formed, an etch process can be performed to transfer the mask pattern into the substrate. Depending upon whether the undoped regions are removed or the doped region is removed, the mask pattern will form openings (e.g., vias or trenches) or mesas, respectively, on the substrate.

摘要翻译： 公开了一种用于在基板上形成开口（例如，通孔或沟槽）或台面的改进的双重图案化方法。 该方法通过确保衬底本身仅经历单次蚀刻工艺来避免现有技术的双重图案化技术中所见到的晶片形貌效应。 具体地说，在该方法中，在衬底上形成第一掩模层并进行处理，使得其在掺杂区域内具有掺杂区域和多个未掺杂区域。 然后，可以选择性地去除未掺杂区域或掺杂区域，以在衬底上方形成掩模图案。 一旦形成掩模图案，就可以执行蚀刻工艺以将掩模图案转印到基板中。 取决于未掺杂的区域是去除还是去除掺杂区域，掩模图案将分别在衬底上形成开口（例如，通孔或沟槽）或台面。

公开(公告)号：US08343877B2

公开(公告)日：2013-01-01

申请号：US12614952

申请日：2009-11-09

申请人： Kangguo Cheng ,  Bruce B. Doris ,  Ying Zhang

发明人： Kangguo Cheng ,  Bruce B. Doris ,  Ying Zhang

IPC分类号： H01L21/302

CPC分类号： H01L21/28132 ,  H01L21/26586 ,  H01L29/66787

摘要： A method for fabrication of features of an integrated circuit and device thereof include patterning a first structure on a surface of a semiconductor device and forming spacers about a periphery of the first structure. An angled ion implantation is applied to the device such that the spacers have protected portions and unprotected portions from the angled ion implantation wherein the unprotected portions have an etch rate greater than an etch rate of the protected portions. The unprotected portions and the first structure are selectively removed with respect to the protected portions. A layer below the protected portions of the spacer is patterned to form integrated circuit features.

摘要翻译： 一种用于制造集成电路的特征的方法及其装置包括在半导体器件的表面上形成第一结构并在第一结构的周围形成间隔物。 将角度离子注入施加到器件，使得间隔物具有来自成角度离子注入的保护部分和未受保护部分，其中未保护部分具有大于被保护部分的蚀刻速率的蚀刻速率。 相对于受保护部分，非保护部分和第一结构被选择性地去除。 将间隔物的受保护部分下面的层图案化以形成集成电路特征。

公开(公告)号：US08324036B2

公开(公告)日：2012-12-04

申请号：US12614986

申请日：2009-11-09

申请人： Kangguo Cheng ,  Bruce B. Doris ,  Steven J. Holmes ,  Xuefeng Hua ,  Ying Zhang

发明人： Kangguo Cheng ,  Bruce B. Doris ,  Steven J. Holmes ,  Xuefeng Hua ,  Ying Zhang

IPC分类号： H01L21/84

CPC分类号： H01L21/308 ,  H01L21/033 ,  H01L21/0337 ,  H01L21/0338 ,  H01L21/3086 ,  H01L21/3088 ,  H01L21/823431 ,  H01L29/66795 ,  H01L29/66818

摘要： A method for fabrication of features for an integrated circuit includes patterning a mandrel layer to include structures having at least one width on a surface of an integrated circuit device. Exposed sidewalls of the structures are reacted to integrally form a new compound in the sidewalls such that the new compound extends into the exposed sidewalls by a controlled amount to form pillars. One or more layers below the pillars are etched using the pillars as an etch mask to form features for an integrated circuit device.

摘要翻译： 一种用于制造用于集成电路的特征的方法包括图案化心轴层以包括在集成电路器件的表面上具有至少一个宽度的结构。 结构的暴露的侧壁反应以在侧壁中一体地形成新的化合物，使得新化合物以受控的量延伸到暴露的侧壁中以形成柱。 使用柱作为蚀刻掩模蚀刻柱下方的一个或多个层，以形成用于集成电路器件的特征。

公开(公告)号：US20120256261A1

公开(公告)日：2012-10-11

申请号：US13083879

申请日：2011-04-11

申请人： Kangguo Cheng ,  Bruce B. Doris ,  Tenko Yamashita ,  Ying Zhang

发明人： Kangguo Cheng ,  Bruce B. Doris ,  Tenko Yamashita ,  Ying Zhang

IPC分类号： H01L29/772 ,  H01L21/31

CPC分类号： H01L21/28123 ,  H01L21/76224 ,  H01L21/84 ,  H01L27/11 ,  H01L27/1203

摘要： A semiconductor device including a substrate having at least one nitride material lined isolation cavity; and a hafnium containing dielectric fill at least partially contained in and at least partially covering at least a portion of the at least one nitride lined isolation cavity.

摘要翻译： 一种半导体器件，包括具有至少一个氮化物材料衬里隔离腔的衬底; 以及含有铪的电介质填充物，其至少部分地包含在并且至少部分地覆盖所述至少一个氮化物衬里隔离腔的至少一部分。

公开(公告)号：US08263446B2

公开(公告)日：2012-09-11

申请号：US12881152

申请日：2010-09-13

申请人： Kangguo Cheng ,  Bruce B. Doris ,  Ying Zhang

发明人： Kangguo Cheng ,  Bruce B. Doris ,  Ying Zhang

IPC分类号： H01L21/00

CPC分类号： H01L29/66795 ,  H01L21/2633 ,  H01L21/26506 ,  H01L21/26586 ,  H01L29/517 ,  H01L29/785 ,  H01L29/7855 ,  H01L29/7856

摘要： Asymmetric FET devices, and a method for fabricating such asymmetric devices on a fin structure is disclosed. The fabrication method includes disposing over the fin a high-k dielectric layer followed by a threshold-modifying layer, performing an ion bombardment at a tilted angle which removes the threshold-modifying layer over one of the fin's side-surfaces. The completed FET devices will be asymmetric due to the threshold-modifying layer being present only in one of two devices on the side of the fin. In an alternate embodiment further asymmetries are introduced, again using tilted ion implantation, resulting in differing gate-conductor materials for the two FinFET devices on each side of the fin.

摘要翻译： 公开了非对称FET器件，以及在翅片结构上制造这种非对称器件的方法。 该制造方法包括在散热片上布置高k电介质层，随后是阈值修饰层，以倾斜角执行离子轰击，该倾斜角度在翅片的侧面之一上除去阈值修饰层。 完成的FET器件将是不对称的，因为阈值修饰层仅存在于翅片一侧的两个器件之一中。 在替代实施例中，引入另外的不对称性，再次使用倾斜离子注入，导致用于翅片每侧上的两个FinFET器件的不同的栅极 - 导体材料。