公开(公告)号：US20160056045A1

公开(公告)日：2016-02-25

申请号：US14506682

申请日：2014-10-05

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Nan-Yuan Huang ,  An-Chi Liu

IPC: H01L21/308 ,  H01L29/66 ,  H01L21/311 ,  H01L29/06 ,  H01L29/78

CPC classification number: H01L29/66795 ,  H01L21/3065 ,  H01L21/3086 ,  H01L21/31138 ,  H01L29/0653 ,  H01L29/0657 ,  H01L29/6681 ,  H01L29/785

Abstract: A fin structure and a method of forming the same, where the fin structure includes a fin and a protrusion having irregular shape. The fin and the protrusion are both formed on a substrate, and the protrusion has a height less than that of the fin. With such arrangement, the fin structure of the present invention, as well as the method of forming the same, can achieve the purpose of keeping the fin from collapsing and over etching.

Abstract translation: 翅片结构及其形成方法，其中翅片结构包括翅片和具有不规则形状的突起。 翅片和突起都形成在基底上，突起的高度小于翅片的高度。 通过这样的结构，本发明的翅片结构及其形成方法可以达到保持翅片不会塌陷和过蚀刻的目的。

公开(公告)号：US20250169140A1

公开(公告)日：2025-05-22

申请号：US19023210

申请日：2025-01-15

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chia-Ming Kuo ,  Po-Jen Chuang ,  Yu-Ren Wang ,  Ying-Wei Yen ,  Fu-Jung Chuang ,  Ya-Yin Hsiao ,  Nan-Yuan Huang

IPC: H10D64/01 ,  H01L21/02 ,  H01L21/265 ,  H01L21/28 ,  H01L21/321 ,  H01L21/3213 ,  H01L21/324 ,  H10D30/01 ,  H10D30/60 ,  H10D62/13 ,  H10D64/27 ,  H10D64/66 ,  H10D64/68

Abstract: A method for fabricating semiconductor device includes the steps of: forming a gate structure on a substrate; forming a first spacer adjacent to the gate structure, wherein the first spacer comprises silicon carbon nitride (SiCN); forming a second spacer adjacent to the first spacer, wherein the second spacer comprises silicon oxycarbonitride (SiOCN); and forming a source/drain region adjacent to two sides of the second spacer.

公开(公告)号：US11063135B2

公开(公告)日：2021-07-13

申请号：US15996539

申请日：2018-06-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chia-Ming Kuo ,  Po-Jen Chuang ,  Yu-Ren Wang ,  Ying-Wei Yen ,  Fu-Jung Chuang ,  Ya-Yin Hsiao ,  Nan-Yuan Huang

IPC: H01L29/66 ,  H01L21/02 ,  H01L21/265 ,  H01L21/324 ,  H01L29/08 ,  H01L29/78 ,  H01L29/51 ,  H01L21/321 ,  H01L21/3213 ,  H01L29/423 ,  H01L29/49 ,  H01L21/28

Abstract: A method for fabricating semiconductor device includes the steps of: forming a gate structure on a substrate; forming a first spacer adjacent to the gate structure, wherein the first spacer comprises silicon carbon nitride (SiCN); forming a second spacer adjacent to the first spacer, wherein the second spacer comprises silicon oxycarbonitride (SiOCN); and forming a source/drain region adjacent to two sides of the second spacer.

公开(公告)号：US10283415B2

公开(公告)日：2019-05-07

申请号：US16132460

申请日：2018-09-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Te-Chang Hsu ,  An-Chi Liu ,  Nan-Yuan Huang ,  Yu-Chih Su ,  Cheng-Pu Chiu ,  Tien-Shan Hsu ,  Chih-Yi Wang ,  Chi-Hsuan Cheng

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

Abstract: A semiconductor structure includes a substrate, a plurality of fin shaped structures, a trench, and a first bump. The substrate has a base, and the fin shaped structures protrude from the base. The trench is recessed from the base of the substrate. The first bump is disposed within the trench and protrudes from a bottom surface of the trench. A width of the first bump is larger than a width of each of the fin shaped structures.

公开(公告)号：US10109531B1

公开(公告)日：2018-10-23

申请号：US15616936

申请日：2017-06-08

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Te-Chang Hsu ,  An-Chi Liu ,  Nan-Yuan Huang ,  Yu-Chih Su ,  Cheng-Pu Chiu ,  Tien-Shan Hsu ,  Chih-Yi Wang ,  Chi-Hsuan Cheng

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

Abstract: A semiconductor structure includes a substrate, a plurality of fin shaped structures, a trench, and a first bump. The substrate has a base, and the fin shaped structures protrude from the base. The trench is recessed from the base of the substrate. The first bump is disposed within the trench and protrudes from a bottom surface of the trench. A topmost portion of the first bump is lower than the base, and a width of the first bump is larger than a width of each of the fin shaped structures.

公开(公告)号：US20190043760A1

公开(公告)日：2019-02-07

申请号：US16132460

申请日：2018-09-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Te-Chang Hsu ,  An-Chi Liu ,  Nan-Yuan Huang ,  Yu-Chih Su ,  Cheng-Pu Chiu ,  Tien-Shan Hsu ,  Chih-Yi Wang ,  Chi-Hsuan Cheng

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

Abstract: A semiconductor structure includes a substrate, a plurality of fin shaped structures, a trench, and a first bump. The substrate has a base, and the fin shaped structures protrude from the base. The trench is recessed from the base of the substrate. The first bump is disposed within the trench and protrudes from a bottom surface of the trench. A width of the first bump is larger than a width of each of the fin shaped structures.

公开(公告)号：US10170624B2

公开(公告)日：2019-01-01

申请号：US15447134

申请日：2017-03-02

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Jhen-Cyuan Li ,  Nan-Yuan Huang ,  Shui-Yen Lu

IPC: H01L29/06 ,  H01L29/78 ,  H01L29/66 ,  H01L29/165

Abstract: A non-planar transistor is provided. It includes a substrate, a fin structure, a gate structure, a first spacer structure and a source/drain region. The fin structure is disposed on the substrate, the gate structure is disposed on the fin structure. The fin structure includes an upper portion, a concave portion and a lower portion, and the concave portion is disposed between the upper portion and the lower portion. The first spacer structure is disposed on a sidewall of the gate structure. The first spacer structure includes a first spacer and a second spacer, wherein the first spacer is disposed between the second spacer, and a height of the first spacer is different from a height of the second spacer. The source/drain region is disposed in a semiconductor layer at two sides of the first spacer structure.

公开(公告)号：US20170263732A1

公开(公告)日：2017-09-14

申请号：US15481419

申请日：2017-04-06

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Li-Wei Feng ,  Shih-Hung Tsai ,  Yi-Fan Li ,  Kun-Hsin Chen ,  Tong-Jyun Huang ,  Jyh-Shyang Jenq ,  Nan-Yuan Huang

IPC: H01L29/66 ,  H01L21/265 ,  H01L29/78

CPC classification number: H01L29/66795 ,  H01L21/265 ,  H01L21/26506 ,  H01L21/26513 ,  H01L21/26546 ,  H01L29/1054 ,  H01L29/7848 ,  H01L29/7849 ,  H01L29/785

Abstract: A semiconductor device preferably includes a substrate, a fin-shaped structure on the substrate, a buffer layer on the fin-shaped structure, and an epitaxial layer on the buffer layer. Preferably, the buffer layer is made of silicon germanium and including three or more than three elements. The buffer layer also includes dopants selected from the group consisting of P, As, Sb, Bi, C, and F.

公开(公告)号：US09614034B1

公开(公告)日：2017-04-04

申请号：US14884787

申请日：2015-10-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Jhen-Cyuan Li ,  Nan-Yuan Huang ,  Shui-Yen Lu

IPC: H01L29/78 ,  H01L29/06 ,  H01L29/66 ,  H01L21/762

CPC classification number: H01L21/76232 ,  H01L29/66795 ,  H01L29/785

Abstract: The present invention provides a semiconductor structure, including a substrate, having a recess disposed therein, an insulating layer filled in the recess and disposed on a surface of the substrate, and at least one fin structure disposed in the insulating layer, the fin structure consisting of two terminal parts and a central part disposed between two terminal parts. The terminal parts are disposed on the surface of the substrate and directly contact the substrate, and the central part is disposed right above the recess.

公开(公告)号：US20170033015A1

公开(公告)日：2017-02-02

申请号：US15293292

申请日：2016-10-14

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Li-Wei Feng ,  Shih-Hung Tsai ,  Hon-Huei Liu ,  Chao-Hung Lin ,  Nan-Yuan Huang ,  Jyh-Shyang Jenq

IPC: H01L21/8234 ,  H01L29/423 ,  H01L21/308 ,  H01L27/088

CPC classification number: H01L21/823431 ,  H01L21/308 ,  H01L21/76224 ,  H01L21/823481 ,  H01L27/088 ,  H01L27/0886 ,  H01L27/092 ,  H01L29/0649 ,  H01L29/165 ,  H01L29/42372 ,  H01L29/7842 ,  H01L29/785

Abstract: The present invention provides a method for forming a semiconductor structure, comprising: firstly, a substrate is provided, having a first fin structure and a second fin structure disposed thereon, next, a first isolation region is formed between the first fin structure and the second fin structure, a second isolation region is formed opposite the first fin structure from the first isolation region, and at least an epitaxial layer is formed on the side of the first fin structure and the second fin structure, wherein the epitaxial layer has a bottom surface, the bottom surface extending from the first fin structure to the second fin structure, and the bottom surface is lower than a bottom surface of the first isolation region and a top surface of the second isolation region, in addition, the epitaxial layer has a stepped-shaped sidewall profile.

Abstract translation: 本发明提供一种半导体结构的形成方法，其特征在于，首先，设置具有第一鳍结构和设置在其上的第二鳍结构的衬底，接着，在所述第一鳍结构和所述第二鳍结构之间形成第一隔离区 鳍结构，与第一隔离区相对地形成第二隔离区，并且在第一鳍结构和第二鳍结构的一侧形成至少外延层，其中外延层具有底表面 所述底表面从所述第一鳍结构延伸到所述第二鳍结构，并且所述底表面低于所述第一隔离区域的底表面和所述第二隔离区域的顶表面，此外，所述外延层具有阶梯状 形侧壁轮廓。