公开(公告)号：US09455176B2

公开(公告)日：2016-09-27

申请号：US15072370

申请日：2016-03-17

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Po-Chao Tsao ,  Lung-En Kuo ,  Chien-Ting Lin ,  Shih-Fang Tzou

IPC: H01L21/762 ,  H01L29/06 ,  H01L21/308 ,  H01L21/3105 ,  H01L21/027 ,  H01L21/8234

CPC classification number: H01L21/76224 ,  H01L21/0273 ,  H01L21/3086 ,  H01L21/31053 ,  H01L21/823431 ,  H01L21/823481 ,  H01L29/0653 ,  H01L29/0657 ,  H01L29/66795 ,  H01L29/6681 ,  H01L29/785

Abstract: The present invention provides a semiconductor structure including a substrate, at least one fin group and a plurality of sub-fin structures disposed on the substrate, wherein the fin group is disposed between two sub-fin structures, and a top surface of each sub-fin structure is lower than a top surface of the fin group; and a shallow trench isolation (STI) disposed in the substrate, wherein the sub-fin structures are completely covered by the shallow trench isolation.

Abstract translation: 本发明提供一种半导体结构，其包括基板，至少一个翅片组和设置在基板上的多个亚翅片结构，其中，翅片组设置在两个子鳍结构之间，并且每个子鳍结构的顶表面， 翅片结构低于翅片组的顶面; 以及设置在衬底中的浅沟槽隔离（STI），其中子鳍结构被浅沟槽隔离完全覆盖。

公开(公告)号：US09318609B2

公开(公告)日：2016-04-19

申请号：US14620209

申请日：2015-02-12

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yu-Hsiang Hung ,  Ssu-I Fu ,  Chung-Fu Chang ,  Cheng-Guo Chen ,  Chien-Ting Lin

IPC: H01L27/01 ,  H01L29/78 ,  H01L29/66 ,  H01L21/8234 ,  H01L21/84 ,  H01L27/12 ,  H01L29/06 ,  H01L29/161

CPC classification number: H01L29/7851 ,  H01L21/8234 ,  H01L21/845 ,  H01L27/1211 ,  H01L29/0653 ,  H01L29/161 ,  H01L29/66795 ,  H01L29/6681 ,  H01L29/7848 ,  H01L29/7855

Abstract: A semiconductor device includes a fin structure, an isolation structure, a gate structure and an epitaxial structure. The fin structure protrudes from the surface of the substrate and includes a top surface and two sidewalls. The isolation structure surrounds the fin structure. The gate structure overlays the top surface and the two sidewalls of a portion of the fin structure, and covers a portion of the isolation structure. The isolation structure under the gate structure has a first top surface, and the isolation structure at two sides of the gate structure has a second top surface. The first top surface is higher than the second top surface. The epitaxial layer is disposed at one side of the gate structure and is in direct contact with the fin structure.

Abstract translation: 半导体器件包括鳍结构，隔离结构，栅极结构和外延结构。 翅片结构从衬底的表面突出并且包括顶表面和两个侧壁。 隔离结构围绕翅片结构。 栅极结构覆盖鳍结构的一部分的顶表面和两个侧壁，并且覆盖隔离结构的一部分。 栅极结构下的隔离结构具有第一顶表面，并且栅极结构两侧的隔离结构具有第二顶表面。 第一顶面高于第二顶面。 外延层设置在栅极结构的一侧并与鳍结构直接接触。

公开(公告)号：US20160035854A1

公开(公告)日：2016-02-04

申请号：US14881162

申请日：2015-10-13

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Shih-Fang Tzou ,  Chien-Ming Lai ,  Yi-Wen Chen ,  Hung-Yi Wu ,  Tong-Jyun Huang ,  Chien-Ting Lin ,  Chun-Hsien Lin

IPC: H01L29/49 ,  H01L29/423 ,  H01L29/66 ,  H01L21/8238

CPC classification number: H01L29/4966 ,  H01L21/823842 ,  H01L21/823864 ,  H01L29/42364 ,  H01L29/66545

Abstract: A method for fabricating metal gate transistor is disclosed. The method includes the steps of: providing a substrate having a NMOS region and a PMOS region; forming a dummy gate on each of the NMOS region and the PMOS region respectively; removing the dummy gates from each of the NMOS region and the PMOS region; forming a n-type work function layer on the NMOS region and the PMOS region; removing the n-type work function layer in the PMOS region; forming a p-type work function layer on the NMOS region and the PMOS region; and depositing a low resistance metal layer on the p-type work function layer of the NMOS region and the PMOS region.

Abstract translation: 公开了一种用于制造金属栅极晶体管的方法。 该方法包括以下步骤：提供具有NMOS区和PMOS区的衬底; 在NMOS区域和PMOS区域分别形成虚拟栅极; 从所述NMOS区域和所述PMOS区域中的每一个去除所述伪栅极; 在NMOS区域和PMOS区域上形成n型功函数层; 去除PMOS区域中的n型功函数层; 在NMOS区域和PMOS区域上形成p型功函数层; 以及在NMOS区域和PMOS区域的p型功函数层上沉积低电阻金属层。

公开(公告)号：US20150380319A1

公开(公告)日：2015-12-31

申请号：US14847015

申请日：2015-09-08

Applicant: United Microelectronics Corp.

Inventor： Chien-Ting Lin ,  Wen-Tai Chiang

IPC: H01L21/8238 ,  H01L21/8234

CPC classification number: H01L21/823842 ,  H01L21/28088 ,  H01L21/823431 ,  H01L21/82345 ,  H01L21/823821 ,  H01L29/517 ,  H01L29/66545

Abstract: A fin-shaped field-effect transistor process includes the following steps. A substrate is provided. A first fin-shaped field-effect transistor and a second fin-shaped field-effect transistor are formed on the substrate, wherein the first fin-shaped field-effect transistor includes a first metal layer and the second fin-shaped field-effect transistor includes a second metal layer. A treatment process is performed on the first fin-shaped field-effect transistor to adjust the threshold voltage of the first fin-shaped field-effect transistor. A fin-shaped field-effect transistor formed by said process is also provided.

Abstract translation: 鳍状场效应晶体管工艺包括以下步骤。 提供基板。 第一鳍状场效应晶体管和第二鳍状场效应晶体管形成在基板上，其中第一鳍状场效应晶体管包括第一金属层和第二鳍状场效应晶体管 包括第二金属层。 对第一鳍状场效应晶体管进行处理处理，以调整第一鳍状场效应晶体管的阈值电压。 还提供了通过所述方法形成的鳍状场效应晶体管。

公开(公告)号：US09196542B2

公开(公告)日：2015-11-24

申请号：US13899581

申请日：2013-05-22

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Jun-Jie Wang ,  Po-Chao Tsao ,  Chia-Jui Liang ,  Shih-Fang Tzou ,  Chien-Ting Lin

IPC: H01L21/8234 ,  H01L27/06 ,  H01L29/78 ,  H01L21/8238

CPC classification number: H01L21/823468 ,  H01L21/82345 ,  H01L21/823462 ,  H01L21/823842 ,  H01L21/823857 ,  H01L21/823864 ,  H01L27/0629 ,  H01L29/66545 ,  H01L29/7843 ,  H01L29/7848 ,  H01L29/785

Abstract: A method for manufacturing a semiconductor device is provided. A first stack structure and a second stack structure are formed to respectively cover a portion of a first fin structure and a second fin structure. Subsequently, a spacer is respectively formed on the sidewalls of the fin structures through an atomic layer deposition process and the composition of the spacers includes silicon carbon nitride. Afterwards, a interlayer dielectric is formed and etched so as to expose the hard mask layers. A mask layer is formed to cover the second stack structure and a portion of the dielectric layer. Later, the hard mask layer in the first stack structure is removed under the coverage of the mask layer. Then, a dummy layer in the first stack structure is replaced with a conductive layer.

Abstract translation: 提供一种制造半导体器件的方法。 形成第一堆叠结构和第二堆叠结构以分别覆盖第一鳍结构和第二鳍结构的一部分。 随后，通过原子层沉积工艺分别在翅片结构的侧壁上形成间隔物，间隔物的组成包括硅氮化硅。 之后，形成并蚀刻层间电介质，以露出硬掩模层。 形成掩模层以覆盖第二堆叠结构和介电层的一部分。 之后，在掩模层的覆盖下去除第一堆叠结构中的硬掩模层。 然后，第一堆叠结构中的虚设层被导电层代替。

公开(公告)号：US09196500B2

公开(公告)日：2015-11-24

申请号：US13859720

申请日：2013-04-09

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Ling Lin ,  Po-Chao Tsao ,  Chia-Jui Liang ,  Chien-Ting Lin

IPC: H01L21/311 ,  H01L21/308 ,  H01L21/8234 ,  H01L21/8238 ,  H01L29/66

CPC classification number: H01L21/3086 ,  H01L21/823468 ,  H01L21/823864 ,  H01L29/66795

Abstract: A method for manufacturing semiconductor structures includes providing a substrate having a plurality of mandrel patterns and a plurality of dummy patterns, simultaneously forming a plurality of first spacers on sidewalls of the mandrel patterns and a plurality of second spacers on sidewalls of the dummy patterns, and removing the second spacers and the mandrel patterns to form a plurality of spacer patterns on the substrate.

Abstract translation: 一种用于制造半导体结构的方法，包括提供具有多个心轴图案和多个虚拟图案的基板，同时在心轴图案的侧壁上形成多个第一间隔件，在虚设图案的侧壁上形成多个第二间隔件，以及 移除第二间隔件和心轴图案以在基底上形成多个间隔图案。

公开(公告)号：US20150332976A1

公开(公告)日：2015-11-19

申请号：US14811814

申请日：2015-07-28

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Po-Chao Tsao ,  Chien-Ting Lin ,  Chien-Ming Lai ,  Chi-Mao Hsu

IPC: H01L21/8238 ,  H01L21/28 ,  H01L21/321 ,  H01L29/66

CPC classification number: H01L29/66545 ,  H01L21/28088 ,  H01L21/28185 ,  H01L21/32115 ,  H01L21/823842 ,  H01L27/0922 ,  H01L29/42364 ,  H01L29/42376 ,  H01L29/4966 ,  H01L29/51 ,  H01L29/517 ,  H01L29/518 ,  H01L29/78 ,  H01L29/7833

Abstract: A manufacturing method of semiconductor devices having metal gate includes following steps. A substrate having a first semiconductor device and a second semiconductor device formed thereon is provided. The first semiconductor device includes a first gate trench and the second semiconductor device includes a second gate trench. A first work function metal layer is formed in the first gate trench and the second gate trench. A portion of the first work function metal layer is removed from the second gate trench. A second work function metal layer is formed in the first gate trench and the second gate trench. The second work function metal layer and the first work function metal layer include the same metal material. A third work function metal layer and a gap-filling metal layer are sequentially formed in the first gate trench and the second gate trench.

Abstract translation: 具有金属栅极的半导体器件的制造方法包括以下步骤。 提供了具有形成在其上的第一半导体器件和第二半导体器件的衬底。 第一半导体器件包括第一栅极沟槽，第二半导体器件包括第二栅极沟槽。 在第一栅极沟槽和第二栅极沟槽中形成第一功函数金属层。 第一功函数金属层的一部分从第二栅极沟槽去除。 在第一栅极沟槽和第二栅极沟槽中形成第二功函数金属层。 第二功函数金属层和第一功函数金属层包括相同的金属材料。 在第一栅极沟槽和第二栅极沟槽中依次形成第三功函数金属层和间隙填充金属层。

公开(公告)号：US09166024B2

公开(公告)日：2015-10-20

申请号：US14042190

申请日：2013-09-30

Applicant: United Microelectronics Corp.

Inventor： Yu-Hsiang Hung ,  Ssu-I Fu ,  Chung-Fu Chang ,  Yen-Liang Wu ,  Cho-Han Fan ,  Chien-Ting Lin

IPC: H01L29/66 ,  H01L29/78 ,  H01L21/8238 ,  H01L29/165

CPC classification number: H01L29/66795 ,  H01L21/823807 ,  H01L21/823814 ,  H01L21/823821 ,  H01L29/165 ,  H01L29/66636 ,  H01L29/7834 ,  H01L29/7848 ,  H01L29/785

Abstract: A process for fabricating a fin-type field effect transistor (FinFET) structure is described. A semiconductor substrate is patterned to form a fin. A spacer is formed on the sidewall of the fin. A portion of the fin is removed, such that the spacer and the surface of the remaining fm together define a cavity. A piece of a semiconductor compound is formed from the cavity, wherein the upper portion of the piece of the semiconductor compound laterally extends over the spacer.

Abstract translation: 描述了制造鳍式场效应晶体管（FinFET）结构的工艺。 图案化半导体衬底以形成翅片。 隔板形成在翅片的侧壁上。 翅片的一部分被去除，使得间隔件和剩余的fm的表面一起限定了空腔。 半导体化合物的一部分由空腔形成，其中半导体化合物片的上部横向延伸在间隔物上。

公开(公告)号：US09105685B2

公开(公告)日：2015-08-11

申请号：US13941208

申请日：2013-07-12

Applicant: United Microelectronics Corp.

Inventor： Chien-Ting Lin ,  Shih-Hung Tsai ,  Chun-Hsien Lin

IPC: H01L21/762 ,  H01L21/308 ,  H01L21/8238 ,  H01L21/84 ,  H01L21/8234

CPC classification number: H01L21/76224 ,  H01L21/308 ,  H01L21/3086 ,  H01L21/823431 ,  H01L21/823821 ,  H01L21/823878 ,  H01L21/845

Abstract: A method of forming a shallow trench isolation structure is disclosed. Hard mask patterns are formed on a substrate. A portion of the substrate is removed, using the hard mask patterns as a mask, to form first trenches in the substrate, wherein a fin is disposed between the neighboring first trenches. A filling layer is formed in the first trenches. A patterned mask layer is formed on the filling layer. A portion of the filling layer and a portion of the fins are removed, using the patterned mask layer as a mask, to form second trenches in the substrate. A first insulating layer is formed on the substrate filling in the second trenches.

Abstract translation: 公开了形成浅沟槽隔离结构的方法。 在基板上形成硬掩模图案。 使用硬掩模图案作为掩模去除衬底的一部分，以在衬底中形成第一沟槽，其中翅片设置在相邻的第一沟槽之间。 在第一沟槽中形成填充层。 在填充层上形成图案化掩模层。 使用图案化掩模层作为掩模，去除填充层的一部分和散热片的一部分，以在衬底中形成第二沟槽。 在填充在第二沟槽中的衬底上形成第一绝缘层。

公开(公告)号：US20150200192A1

公开(公告)日：2015-07-16

申请号：US14153079

申请日：2014-01-13

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Po-Chao Tsao ,  Yao-Hung Huang ,  Chien-Ting Lin ,  Ming-Te Wei

IPC: H01L27/092 ,  H01L21/8238 ,  H01L21/321 ,  H01L21/02

CPC classification number: H01L27/0922 ,  H01L21/02164 ,  H01L21/32115 ,  H01L21/823437 ,  H01L21/82345 ,  H01L21/823456 ,  H01L21/823828 ,  H01L21/823842 ,  H01L21/82385

Abstract: The present invention provides a semiconductor structure, including a substrate, having a dielectric layer disposed thereon, a first device region and a second device region defined thereon, at least one first trench disposed in the substrate within the first device region, at least one second trench and at least one third trench disposed in the substrate within the second device region, a work function layer, disposed in the second trench and the third trench, wherein the work function layer partially covers the sidewall of the second trench, and entirely covers the sidewall of the third trench, and a first material layer, disposed in the second trench and the third trench, wherein the first material layer covers the work function layer disposed on partial sidewall of the second trench, and entirely covers the work function layer disposed on the sidewall of the third trench.

Abstract translation: 本发明提供一种半导体结构，包括其上设置有介电层的基板，限定在其上的第一器件区域和第二器件区域，设置在第一器件区域内的衬底中的至少一个第一沟槽，至少一个第二 沟槽和设置在第二器件区域内的衬底中的至少一个第三沟槽，设置在第二沟槽和第三沟槽中的功函数层，其中功函数层部分地覆盖第二沟槽的侧壁，并且完全覆盖 第三沟槽的侧壁和设置在第二沟槽和第三沟槽中的第一材料层，其中第一材料层覆盖设置在第二沟槽的部分侧壁上的功函数层，并且完全覆盖设置在第二沟槽上的功函数层 第三沟槽的侧壁。