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11. 发明授权

US08729638B2 Method for making FINFETs and semiconductor structures formed therefrom 有权
标题翻译：制造FINFET和由其形成的半导体结构的方法
公开(公告)号：US08729638B2
公开(公告)日：2014-05-20
申请号：US13696071
申请日：2011-11-30
申请人： Huilong Zhu , Zhijiong Luo , Haizhou Yin
发明人： Huilong Zhu , Zhijiong Luo , Haizhou Yin
IPC分类号： H01L29/76 , H01L29/94 , H01L31/062 , H01L31/113 , H01L31/119
CPC分类号： H01L29/7856 , H01L29/66795 , H01L29/7848 , H01L29/7851
摘要： A method for making FinFETs and semiconductor structures formed therefrom is disclosed, comprising: providing a SiGe layer on a Si semiconductor substrate and a Si layer on the SiGe layer, wherein the lattice constant of the SiGe layer matches that of the substrate; patterning the Si layer and the SiGe layer to form a Fin structure; forming a gate stack on top and both sides of the Fin structure and a spacer surrounding the gate stack; removing a portion of the Si layer which is outside the spacer with the spacer as a mask, while keeping a portion of the Si layer which is inside the spacer; removing a portion of the SiGe layer which is kept after the patterning, to form a void; forming an insulator in the void; and epitaxially growing stressed source and drain regions on both sides of the Fin structure and the insulator.
摘要翻译：公开了一种用于制造FinFET和由其形成的半导体结构的方法，包括：在Si半导体衬底上提供SiGe层和SiGe层上的Si层，其中SiGe层的晶格常数与衬底的晶格常数相匹配; 图案化Si层和SiGe层以形成Fin结构; 在Fin结构的顶部和两侧上形成栅极堆叠以及围绕栅极堆叠的间隔物; 在间隔物作为掩模的同时，除去间隔物外部的Si层的一部分，同时保持间隔物内部的Si层的一部分; 去除在图案化之后保留的SiGe层的一部分，以形成空隙; 在空隙中形成绝缘体; 并在鳍结构和绝缘体的两侧外延生长应力源极和漏极区。

12. 发明授权

US08716095B2 Manufacturing method of gate stack and semiconductor device 有权
标题翻译：栅极堆叠和半导体器件的制造方法
公开(公告)号：US08716095B2
公开(公告)日：2014-05-06
申请号：US12997625
申请日：2010-09-19
申请人： Huicai Zhong , Zhijiong Luo , Qingqing Liang
发明人： Huicai Zhong , Zhijiong Luo , Qingqing Liang
IPC分类号： H01L21/336 , H01L29/78
CPC分类号： H01L29/513 , H01L21/28176 , H01L29/517 , H01L29/6653 , H01L29/66545 , H01L29/66553 , H01L29/6656 , H01L29/78
摘要： A manufacturing method of a gate stack with sacrificial oxygen-scavenging metal spacers includes: forming a gate stack structure consisting of an interfacial oxide layer, a high-K dielectric layer and a metal gate electrode, on a semiconductor substrate; conformally depositing a metal layer covering the semiconductor substrate and the gate stack structure; and selectively etching the metal layer to remove the portions of the metal layer covering the top surface of the gate stack structure and the semiconductor substrate, so as to only keep the sacrificial oxygen-scavenging metal spacers surrounding the gate stack structure in the outer periphery of the gate stack structure. A semiconductor device manufactured by this process.
摘要翻译：具有牺牲氧清除金属间隔物的栅极堆叠的制造方法包括：在半导体衬底上形成由界面氧化物层，高K电介质层和金属栅电极组成的栅叠层结构; 保形地沉积覆盖半导体衬底和栅极堆叠结构的金属层; 并且选择性地蚀刻金属层以去除覆盖栅极堆叠结构和半导体衬底的顶表面的金属层的部分，以便仅将围绕栅极堆叠结构的牺牲氧清除金属间隔物保持在外部周边门堆栈结构。通过该方法制造的半导体器件。

13. 发明授权

US08710556B2 Semiconductor device comprising a Fin and method for manufacturing the same 有权
标题翻译：包括Fin的半导体器件及其制造方法
公开(公告)号：US08710556B2
公开(公告)日：2014-04-29
申请号：US12937652
申请日：2010-06-25
申请人： Huilong Zhu , Haizhou Yin , Zhijiong Luo , Qiagqing Liang
发明人： Huilong Zhu , Haizhou Yin , Zhijiong Luo , Qiagqing Liang
IPC分类号： H01L29/76 , H01L27/12 , H01L21/336
CPC分类号： H01L29/66636 , H01L29/66795 , H01L29/66803 , H01L29/7848 , H01L29/785
摘要： The present application discloses a semiconductor device comprising a fin of semiconductive material formed from a semiconductor layer over a semiconductor substrate and having two opposing sides perpendicular to the main surface of the semiconductor substrate; a source region and a drain region provided in the semiconductor substrate adjacent to two ends of the fin and being bridged by the fin; a channel region provided at the central portion of the fin; and a stack of gate dielectric and gate conductor provided at one side of the fin, where the gate conductor is isolated from the channel region by the gate dielectric, and wherein the stack of gate dielectric and gate conductor extends away from the one side of the fin in a direction parallel to the main surface of the semiconductor substrate, and insulated from the semiconductor substrate by an insulating layer. The semiconductor device has an improved short channel effect and a reduced parasitic capacitance and resistance, which contributes to an improved electrical property and facilitates scaling down of the transistor.
摘要翻译：本申请公开了一种半导体器件，其包括由半导体衬底上的半导体层形成并具有垂直于半导体衬底的主表面的两个相对侧的半导体材料的鳍; 源极区域和漏极区域，设置在所述半导体衬底中，邻近所述鳍片的两端并被所述鳍片桥接; 设置在所述翅片的中央部的通道区域; 以及设置在鳍的一侧的栅极电介质和栅极导体的堆叠，其中栅极导体通过栅极电介质与沟道区隔离，并且其中栅极电介质和栅极导体的堆叠远离翅片在平行于半导体衬底的主表面的方向上，并且通过绝缘层与半导体衬底绝缘。半导体器件具有改善的短沟道效应和减小的寄生电容和电阻，这有助于改善电性能并且有助于晶体管的缩小。

14. 发明授权

US08658507B2 MOSFET structure and method of fabricating the same using replacement channel layer 有权
标题翻译： MOSFET结构及其制造方法采用替代沟道层
公开(公告)号：US08658507B2
公开(公告)日：2014-02-25
申请号：US12990714
申请日：2010-06-24
申请人： Huilong Zhu , Haizhou Yin , Zhijiong Luo , Qingqing Liang
发明人： Huilong Zhu , Haizhou Yin , Zhijiong Luo , Qingqing Liang
IPC分类号： H01L21/336
CPC分类号： H01L29/66545 , H01L29/1054 , H01L29/66583 , H01L29/66636 , H01L29/66651 , H01L29/7834 , H01L29/7848
摘要： There is provided a MOSFET structure and a method of fabricating the same. The method includes: providing a semiconductor substrate; forming a dummy gate on the semiconductor substrate; forming source/drain regions; selectively etching the dummy gate to a position where a channel is to be formed; and epitaxially growing a channel layer at the position where the channel is to be formed and forming a gate on the channel layer, wherein the channel layer comprises a material of high mobility. Thereby, the channel of the device is replaced with the material of high mobility after the source/drain region is formed, and thus it is possible to suppress the short channel effect and also to improve the device performance.
摘要翻译：提供了一种MOSFET结构及其制造方法。该方法包括：提供半导体衬底; 在半导体衬底上形成虚拟栅极; 形成源/漏区; 选择性地将伪栅极蚀刻到要形成沟道的位置; 并且在通道的位置上外延生长沟道层，并在沟道层上形成栅极，其中沟道层包括高迁移率的材料。因此，在形成源极/漏极区域之后，器件的沟道被高迁移率的材料代替，从而可以抑制短沟道效应并且还能够提高器件性能。

15. 发明授权

US08541280B2 Semiconductor structure and method for manufacturing the same 有权
公开(公告)号：US08541280B2
公开(公告)日：2013-09-24
申请号：US13380654
申请日：2011-04-18
申请人： Haizhou Yin , Zhijiong Luo , Huilong Zhu
发明人： Haizhou Yin , Zhijiong Luo , Huilong Zhu
IPC分类号： H01L21/336
CPC分类号： H01L21/823807 , H01L21/28518 , H01L21/28525 , H01L21/76805 , H01L21/823425 , H01L21/823814 , H01L21/823871 , H01L23/485 , H01L29/41725 , H01L29/41783 , H01L29/517 , H01L29/518 , H01L29/66628 , H01L29/66636 , H01L29/7848 , H01L2924/0002 , H01L2924/00
摘要： The present invention provides a method for manufacturing a semiconductor structure, comprising the steps of: depositing an interlayer dielectric layer (105) on a semiconductor substrate (101) to cover a source/drain region (102) and a gate stack on the semiconductor substrate (101); etching the interlayer dielectric layer and the source/drain region, so as to form a contact hole (110) extending into the source/drain region; conformally forming an amorphous layer (111) on an exposed part of the source/drain region; forming a metal silicide layer (113) on a surface of the amorphous layer (111); and filling the contact hole (110) with a contact metal (114). Correspondingly, the present invention further provides a semiconductor structure. The present invention etches the source/drain region so that the exposed part comprises the bottom and a sidewall, thereby expanding the contact area between the contact metal in the contact hole and the source/drain region, and reducing the contact resistance. The present invention effectively eliminates EOR defects caused by the amorphous ion implantation by forming an amorphous substance by a selective deposition.

16. 发明申请

US20130200456A1 Semiconductor Substrate, Integrated Circuit Having the Semiconductor Substrate, and Methods of Manufacturing the Same 有权
标题翻译：半导体基板，具有半导体基板的集成电路及其制造方法
公开(公告)号：US20130200456A1
公开(公告)日：2013-08-08
申请号：US13696995
申请日：2011-11-29
申请人： Huilong Zhu , Zhijiong Luo , Haizhou Yin , Huicai Zhong
发明人： Huilong Zhu , Zhijiong Luo , Haizhou Yin , Huicai Zhong
IPC分类号： H01L27/12 , H01L27/092 , H01L21/762
CPC分类号： H01L27/12 , H01L21/743 , H01L21/762 , H01L21/84 , H01L27/092 , H01L27/1203 , H01L29/78648 , H01L2924/0002 , H01L2924/00
摘要： The present invention relates to a semiconductor substrate, an integrated circuit having the semiconductor substrate, and methods of manufacturing the same. The semiconductor substrate for use in an integrated circuit comprising transistors having back-gates according to the present invention comprises: a semiconductor base layer; a first insulating material layer on the semiconductor base layer; a first conductive material layer on the first insulating material layer; a second insulating material layer on the first conductive material layer; a second conductive material layer on the second insulating material layer; an insulating buried layer on the second conductive material layer; and a semiconductor layer on the insulating buried layer, wherein at least one first conductive via is provided between the first conductive material layer and the second conductive material layer to penetrate through the second insulating material layer so as to connect the first conductive material layer with the second conductive material layer, the position of each of the first conductive vias being defined by a region in which a corresponding one of a first group of transistors is to be formed.
摘要翻译：本发明涉及半导体衬底，具有半导体衬底的集成电路及其制造方法。根据本发明的包括具有背栅的晶体管的集成电路中使用的半导体衬底包括：半导体基底层; 半导体基底层上的第一绝缘材料层; 第一绝缘材料层上的第一导电材料层; 在所述第一导电材料层上的第二绝缘材料层; 在所述第二绝缘材料层上的第二导电材料层; 第二导电材料层上的绝缘掩埋层; 以及在所述绝缘埋层上的半导体层，其中，在所述第一导电材料层和所述第二导电材料层之间设置有至少一个第一导电通孔，以穿透所述第二绝缘材料层，以将所述第一导电材料层与第二导电材料层，每个第一导电通孔的位置由要形成第一组晶体管中的对应一个的区域限定。

17. 发明授权

US08441045B2 Semiconductor device and method for manufacturing the same 有权
标题翻译：半导体装置及其制造方法
公开(公告)号：US08441045B2
公开(公告)日：2013-05-14
申请号：US13378206
申请日：2011-02-27
申请人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
发明人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
IPC分类号： H01L27/085 , H01L29/84 , H01L29/80 , H01L31/112 , H01L29/04
CPC分类号： H01L29/165 , H01L21/30608 , H01L29/1054 , H01L29/1083 , H01L29/517 , H01L29/6653 , H01L29/66553 , H01L29/66583 , H01L29/6659 , H01L29/66651 , H01L29/7834 , H01L29/7849
摘要： The present application discloses a semiconductor device and a method of manufacturing the same. Wherein, the semiconductor device comprises: a semiconductor substrate; a stressor embedded in the semiconductor substrate; a channel region disposed on the stressor; a gate stack disposed on the channel region; a source/drain region disposed on two sides of the channel region and embedded in the semiconductor substrate; wherein, surfaces of the stressor comprise a top wall, a bottom wall, and side walls, the side walls comprising a first side wall and a second side wall, the first side wall connecting the top wall and the second side wall, the second side wall connecting the first side wall and the bottom wall, the angle between the first side wall and the second side wall being less than 180°, and the first sidewall and the second side wall being roughly symmetrical with respect to a plane parallel to the semiconductor substrate. Embodiments of the present invention are applicable to the stress engineering technology in the semiconductor device manufacturing.
摘要翻译：本申请公开了一种半导体器件及其制造方法。其中，所述半导体器件包括：半导体衬底; 嵌入在半导体衬底中的应力器; 设置在所述应力器上的通道区域; 设置在通道区域上的栅极堆叠; 源极/漏极区域，设置在沟道区域的两侧并且嵌入在半导体衬底中; 其中，所述应力器的表面包括顶壁，底壁和侧壁，所述侧壁包括第一侧壁和第二侧壁，所述第一侧壁连接所述顶壁和所述第二侧壁，所述第二侧连接第一侧壁和底壁的壁，第一侧壁和第二侧壁之间的角度小于180°，第一侧壁和第二侧壁相对于平行于半导体的平面大致对称基质。本发明的实施例可应用于半导体器件制造中的应力工程技术。

18. 发明授权

US08426920B2 MOSFET and method for manufacturing the same 有权
标题翻译： MOSFET及其制造方法
公开(公告)号：US08426920B2
公开(公告)日：2013-04-23
申请号：US13379111
申请日：2011-08-01
申请人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
发明人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
IPC分类号： H01L27/12
CPC分类号： H01L29/78648
摘要： The present application provides a MOSFET and a method for manufacturing the same. The MOSFET comprises: a semiconductor substrate; a first buried insulating layer on the semiconductor substrate; a back gate formed in a first semiconductor layer which is on the first buried insulating layer; a second buried insulating layer on the first semiconductor layer; source/drain regions formed in a second semiconductor layer which is on the second buried insulating layer; a gate on the second semiconductor layer; and electrical contacts on the source/drain regions, the gate and the back gate, wherein the back gate is only under a channel region and one of the source/drain regions and not under the other of the source/drain regions, and a common electrical contact is formed between the back gate and the one of the source/drain regions. The MOSFET improves an effect of suppressing short channel effects by an asymmetric back gate, and reduces a footprint on a wafer by using the common conductive via.
摘要翻译：本申请提供了一种MOSFET及其制造方法。 MOSFET包括：半导体衬底; 半导体衬底上的第一掩埋绝缘层; 形成在第一掩埋绝缘层上的第一半导体层中的背栅; 在所述第一半导体层上的第二掩埋绝缘层; 源极/漏极区，形成在第二绝缘层上的第二半导体层中; 第二半导体层上的栅极; 以及源极/漏极区域，栅极和背栅极之间的电接触，其中后栅极仅在沟道区域和源极/漏极区域中的一个并且不在源极/漏极区域的另一个之下，并且具有公共在后栅极和源极/漏极区域之间形成电接触。 MOSFET改善了通过不对称背栅抑制短沟道效应的效果，并且通过使用公共导电通孔来减小晶片上的占位面积。

19. 发明申请

US20130093020A1 MOSFET AND METHOD FOR MANUFACTURING THE SAME 有权
标题翻译： MOSFET及其制造方法
公开(公告)号：US20130093020A1
公开(公告)日：2013-04-18
申请号：US13580053
申请日：2011-11-18
申请人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
发明人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
IPC分类号： H01L27/088 , H01L21/336
CPC分类号： H01L21/84 , H01L27/1203 , H01L29/66545 , H01L29/78648
摘要： The present application discloses a MOSFET and a method for manufacturing the same. The MOSFET is formed on an SOI wafer, comprising: a shallow trench isolation for defining an active region in the semiconductor layer; a gate stack on the semiconductor layer; a source region and a drain region in the semiconductor layer on both sides of the gate stack; a channel region in the semiconductor layer and sandwiched by the source region and the drain region; a back gate in the semiconductor substrate; a first dummy gate stack overlapping with a boundary between the semiconductor layer and the shallow trench isolation; and a second dummy gate stack on the shallow trench isolation, wherein the MOSFET further comprises a plurality of conductive vias which are disposed between the gate stack and the first dummy gate stack and electrically connected to the source region and the drain region respectively, and between the first dummy gate stack and the second dummy gate stack and electrically connected to the back gate. The MOSFET avoids short circuit between the back gate and the source/drain regions by the dummy gate stacks.
摘要翻译：本申请公开了一种MOSFET及其制造方法。 MOSFET形成在SOI晶片上，包括：用于限定半导体层中的有源区的浅沟槽隔离; 半导体层上的栅叠层; 栅极堆叠的两侧的半导体层中的源极区域和漏极区域; 半导体层中的沟道区，被源极区和漏极区夹持; 半导体衬底中的背栅; 与半导体层和浅沟槽隔离之间的边界重叠的第一虚拟栅极堆叠; 以及在浅沟槽隔离上的第二虚拟栅极堆叠，其中所述MOSFET还包括多个导电通孔，所述多个导电通孔设置在所述栅极堆叠和所述第一虚拟栅极堆叠之间，并分别电连接到所述源极区域和所述漏极区域之间，以及第一虚拟栅极堆叠和第二虚拟栅极堆叠并且电连接到背栅极。 MOSFET通过虚拟栅极堆叠避免了背栅极和源极/漏极区域之间的短路。

20. 发明申请

US20130093002A1 MOSFET AND METHOD FOR MANUFACTURING THE SAME 审中-公开
标题翻译： MOSFET及其制造方法
公开(公告)号：US20130093002A1
公开(公告)日：2013-04-18
申请号：US13510407
申请日：2011-11-18
申请人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
发明人： Huilong Zhu , Qingqing Liang , Haizhou Yin , Zhijiong Luo
IPC分类号： H01L21/336 , H01L29/78
CPC分类号： H01L29/78648 , H01L21/2652 , H01L21/2658 , H01L21/74 , H01L29/66545 , H01L29/66772
摘要： The present disclosure discloses a MOSFET and a method for manufacturing the same, wherein the MOSFET comprises: an SOI wafer comprising a semiconductor substrate, a buried insulating layer on the semiconductor substrate, and a semiconductor layer on the buried insulating layer; a gate stack on the semiconductor layer; a source region and a drain region in the semiconductor layer on both sides of the gate stack; and a channel region in the semiconductor layer and located between the source region and the drain region, wherein the MOSFET further comprises a back gate which is located in the semiconductor substrate and has a first doped region as a lower portion of the back gate and a second doped region as an upper portion of the back gate, and the second doped region of the back gate is self-aligned with the gate stack. The MOSFET can adjust a threshold voltage by changing doping type and doping concentration of the back gate.
摘要翻译：本公开公开了一种MOSFET及其制造方法，其中，所述MOSFET包括：SOI晶片，其包含半导体衬底，所述半导体衬底上的埋入绝缘层以及所述埋入绝缘层上的半导体层; 半导体层上的栅叠层; 栅极堆叠的两侧的半导体层中的源极区域和漏极区域; 以及位于所述源极区域和所述漏极区域之间的所述半导体层中的沟道区域，其中，所述MOSFET还包括位于所述半导体衬底中并具有作为所述后栅极的下部的第一掺杂区域的背栅极和第二掺杂区域作为背栅极的上部，并且后栅极的第二掺杂区域与栅极堆叠自对准。 MOSFET可以通过改变背栅的掺杂类型和掺杂浓度来调节阈值电压。

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