公开(公告)号：US10002966B1

公开(公告)日：2018-06-19

申请号：US15655919

申请日：2017-07-21

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： I-Fan Chang ,  Chi-Ju Lee ,  Yen-Liang Wu ,  Wen-Tsung Chang ,  Jui-Ming Yang ,  Dien-Yang Lu

IPC: H01L29/78 ,  H01L29/06

CPC classification number: H01L29/7854 ,  H01L29/0653

Abstract: A field-effect transistor includes a substrate having thereon an isolation region. A fin structure protrudes from a top surface of the isolation region. The fin structure extends along a first direction. A gate electrode strides across the fin structure and extends along a second direction. A fin corner layer wraps a lower portion of the gate electrode around the fin structure. A spacer covers a sidewall of the gate electrode and the fin corner layer.

公开(公告)号：US09786510B2

公开(公告)日：2017-10-10

申请号：US14512475

申请日：2014-10-13

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Wen-Jiun Shen ,  Ssu-I Fu ,  Yen-Liang Wu ,  Chia-Jong Liu ,  Yu-Hsiang Hung ,  Chung-Fu Chang ,  Man-Ling Lu ,  Yi-Wei Chen

IPC: H01L21/308 ,  H01L27/088 ,  H01L21/8234 ,  H01L21/306 ,  H01L21/02

CPC classification number: H01L21/308 ,  H01L21/02238 ,  H01L21/30604 ,  H01L21/823431 ,  H01L27/0886 ,  H01L29/66818

Abstract: A fin-shaped structure includes a substrate having a first fin-shaped structure located in a first area and a second fin-shaped structure located in a second area, wherein the second fin-shaped structure includes a ladder-shaped cross-sectional profile part. The present invention also provides two methods of forming this fin-shaped structure. In one case, a substrate having a first fin-shaped structure and a second fin-shaped structure is provided. A treatment process is performed to modify an external surface of the top of the second fin-shaped structure, thereby forming a modified part. A removing process is performed to remove the modified part through a high removing selectivity to the first fin-shaped structure and the second fin-shaped structure, and the modified part, thereby the second fin-shaped structure having a ladder-shaped cross-sectional profile part is formed.

公开(公告)号：US09601600B2

公开(公告)日：2017-03-21

申请号：US14855793

申请日：2015-09-16

Applicant: United Microelectronics Corp.

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

IPC: H01L21/8238 ,  H01L29/66 ,  H01L29/78 ,  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 fin 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.

公开(公告)号：US09461147B2

公开(公告)日：2016-10-04

申请号：US14562782

申请日：2014-12-08

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Jhen-Cyuan Li ,  Shui-Yen Lu ,  Yen-Liang Wu

IPC: H01L29/66 ,  H01L29/78

CPC classification number: H01L29/66795 ,  H01L21/31116 ,  H01L29/6656 ,  H01L29/7848 ,  H01L29/785

Abstract: The present invention provides a semiconductor structure, including a substrate, having a fin structure disposed thereon, a gate structure, crossing over parts of the fin structure. The top surface of the fin structure which is covered by the gate structure is defined as a first top surface, and the top surface of the fin structure which is not covered by the gate structure is defined as a second top surface. The first top surface is higher than the second top surface, and a spacer covers the sidewalls of the gate structure. The spacer includes an inner spacer and an outer spacer, and the outer pacer further contacts the second top surface of the fin structure directly.

Abstract translation: 本发明提供一种半导体结构，其包括具有设置在其上的翅片结构的基板，栅极结构，跨越鳍片结构的一部分。 由栅极结构覆盖的翅片结构的上表面被定义为第一顶表面，并且未被栅极结构覆盖的翅片结构的顶表面被定义为第二顶表面。 第一顶表面高于第二顶表面，间隔件覆盖栅结构的侧壁。 间隔件包括内隔离件和外间隔件，并且外起重器还直接接触翅片结构的第二顶表面。

公开(公告)号：US20160163797A1

公开(公告)日：2016-06-09

申请号：US14594159

申请日：2015-01-11

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Wen-Jiun Shen ,  Chia-Jong Liu ,  Chung-Fu Chang ,  Yen-Liang Wu ,  Man-Ling Lu ,  Yi-Wei Chen ,  Jhen-Cyuan Li

IPC: H01L29/08 ,  H01L29/06 ,  H01L29/78

CPC classification number: H01L29/785 ,  H01L29/66795 ,  H01L29/7843 ,  H01L29/7847

Abstract: The present invention provides a semiconductor structure, comprising a substrate, a gate structure, a source/drain region and at least a dislocation. The gate structure is disposed on the substrate. The source/drain region is disposed in the substrate at two sides of the gate structure. The dislocation is located in the source/drain region, and is asymmetrical relating to a middle axis of the source/drain region.

Abstract translation: 本发明提供一种半导体结构，其包括衬底，栅极结构，源极/漏极区域和至少位错。 栅极结构设置在基板上。 源极/漏极区域在栅极结构的两侧设置在衬底中。 位错位于源极/漏极区域中，并且与源极/漏极区域的中间轴线不对称。

公开(公告)号：US09224864B1

公开(公告)日：2015-12-29

申请号：US14463676

申请日：2014-08-20

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yen-Liang Wu ,  Chung-Fu Chang ,  Yu-Hsiang Hung ,  Wen-Jiun Shen ,  Ssu-I Fu ,  Man-Ling Lu ,  Chia-Jong Liu ,  Yi-Wei Chen

IPC: H01L21/00 ,  H01L21/84 ,  H01L29/78 ,  H01L29/66

CPC classification number: H01L29/7848 ,  H01L29/0673 ,  H01L29/1054 ,  H01L29/161 ,  H01L29/66545 ,  H01L29/66795 ,  H01L29/775 ,  H01L29/785 ,  H01L29/7854

Abstract: A semiconductor device includes a fin structure, an insulating structure, a protruding structure, an epitaxial structure, and a gate structure. The fin structure and the insulating structure are disposed on the substrate. The protruding structure is in direct contact with the substrate and partially protrudes from the insulating structure, and the protruding structure is the fin structure. The epitaxial structure is disposed on a top surface of the fin structure and completely covers the top surface of the fin structure. In addition, the epitaxial structure has a curved top surface. The gate structure covers the fin structure and the epitaxial structure.

Abstract translation: 半导体器件包括鳍结构，绝缘结构，突出结构，外延结构和栅极结构。 翅片结构和绝缘结构设置在基板上。 突出结构与基板直接接触，并从绝缘结构部分突出，突出结构为翅片结构。 外延结构设置在翅片结构的顶表面上并完全覆盖翅片结构的顶表面。 此外，外延结构具有弯曲的顶表面。 栅极结构覆盖鳍结构和外延结构。

公开(公告)号：US20150364568A1

公开(公告)日：2015-12-17

申请号：US14341838

申请日：2014-07-27

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yen-Liang Wu ,  Chung-Fu Chang ,  Yu-Hsiang Hung ,  Ssu-I Fu ,  Man-Ling Lu ,  Chia-Jong Liu ,  Wen-Jiun Shen ,  Yi-Wei Chen

IPC: H01L29/66

CPC classification number: H01L29/6656 ,  H01L21/26586 ,  H01L29/6659 ,  H01L29/66636 ,  H01L29/7834

Abstract: A fabrication method of a semiconductor structure includes the following steps. First of all, a gate structure is provided on a substrate, and a first material layer is formed on the substrate and the gate structure. Next, boron dopant is implanted to the substrate, at two sides of the gate structure, to form a first doped region, and P type conductive dopant is implanted to the substrate, at the two sides of the gate structure, to form a second doped region. As following, a second material layer is formed on the first material layer. Finally, the second material layer, the first material layer and the substrate at the two sides of the gate structure are etched sequentially, and a recess is formed in the substrate, at the two sides of the gate structure, wherein the recess is positioned within the first doped region.

Abstract translation: 半导体结构的制造方法包括以下步骤。 首先，在基板上设置栅极结构，在基板和栅极结构上形成第一材料层。 接下来，在栅极结构的两侧将硼掺杂剂注入到衬底中以形成第一掺杂区，并且在栅极结构的两侧将P型导电掺杂剂注入到衬底中，以形成第二掺杂区 地区。 如下，在第一材料层上形成第二材料层。 最后，栅极结构的两侧的第二材料层，第一材料层和衬底被顺序地蚀刻，并且在栅极结构的两侧在衬底中形成凹部，其中凹部位于 第一掺杂区域。

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：US20150091059A1

公开(公告)日：2015-04-02

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 ,  H01L29/267 ,  H01L29/78

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：US10468493B2

公开(公告)日：2019-11-05

申请号：US16212626

申请日：2018-12-06

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Ting Chiang ,  Chi-Ju Lee ,  Chih-Wei Lin ,  Bo-Yu Su ,  Yen-Liang Wu ,  Wen-Tsung Chang ,  Jui-Ming Yang ,  I-Fan Chang

IPC: H01L29/49 ,  H01L29/66 ,  H01L21/28 ,  H01L21/02 ,  H01L21/8238 ,  H01L29/51

Abstract: The present invention provides a method of manufacturing a gate stack structure. The method comprises providing a substrate. A dielectric layer is then formed on the substrate and a gate trench is formed in the dielectric layer. A bottom barrier layer, a first work function metal layer and a top barrier layer are formed in the gate trench in sequence. Afterwards, a silicon formation layer is formed on the top barrier layer and filling the gate trench. A planarization process is performed, to remove a portion of the silicon formation layer, a portion of the bottom barrier layer, a portion of the first work function metal layer, and a portion of the top barrier layer. Next, the remaining silicon formation layer is removed completely, and a conductive layer is filled in the gate trench.