公开(公告)号：US20190131183A1

公开(公告)日：2019-05-02

申请号：US15806277

申请日：2017-11-07

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuan-Hao Tseng ,  Chien-Ting Lin ,  Shih-Hung Tsai ,  Po-Kuang Hsieh ,  Yu-Ting Tseng ,  Chueh-Fei Tai ,  Cheng-Ping Kuo

IPC: H01L21/8238 ,  H01L21/308 ,  H01L21/306 ,  H01L21/762 ,  H01L21/02 ,  H01L27/092 ,  H01L29/165 ,  H01L21/3065

Abstract: A method for fabricating semiconductor device includes the steps of: providing a substrate having a first region and a second region; forming a first well in the substrate on the first region and a second well in the substrate on the second region; removing part of the first well to form a first recess; and forming a first epitaxial layer in the first recess.

公开(公告)号：US10021298B2

公开(公告)日：2018-07-10

申请号：US15011996

申请日：2016-02-01

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chien-Ting Lin

IPC: H01L21/764 ,  H01L29/06 ,  H04N5/232 ,  G02B26/10 ,  H04N5/225 ,  H01L21/02 ,  H01L21/283 ,  H01L21/3213 ,  H01L29/423 ,  H01L29/66 ,  H01L29/78

Abstract: A semiconductor structure and a method for manufacturing the same are provided. The semiconductor structure comprises a substrate, a gate structure, a first dielectric layer and two air gaps. The gate structure is disposed on the substrate. The gate structure has two opposite side walls. The gate structure comprises a U-shaped structure and a metal gate electrode. The U-shaped structure defines an opening toward upside, and comprises a work function layer. The metal gate electrode is disposed in the opening defined by the U-shaped structure. A level of a top surface of the U-shaped structure is lower than a level of a top surface of the metal gate electrode. The first dielectric layer is disposed on the substrate adjacent to the gate structure. Each of the two air gaps is formed between the first dielectric layer and one of the two opposite side walls of the gate structure.

公开(公告)号：US09379026B2

公开(公告)日：2016-06-28

申请号：US14847015

申请日：2015-09-08

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chien-Ting Lin ,  Wen-Tai Chiang

IPC: H01L27/088 ,  H01L21/336 ,  H01L21/8238 ,  H01L21/8234 ,  H01L21/28 ,  H01L29/51 ,  H01L29/66

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：US20160027892A1

公开(公告)日：2016-01-28

申请号：US14852624

申请日：2015-09-13

Applicant: United Microelectronics Corp.

Inventor： Ching-Ling Lin ,  Chih-Sen Huang ,  Shih-Fang Tzou ,  Chien-Ting Lin ,  Yi-Wei Chen ,  Shi-Xiong Lin ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Hsiao-Pang Chou ,  Chia-Lin Lu

IPC: H01L29/49 ,  H01L29/423 ,  H01L27/088

CPC classification number: H01L29/4966 ,  H01L21/28088 ,  H01L21/823456 ,  H01L21/82385 ,  H01L27/088 ,  H01L29/4232 ,  H01L29/517 ,  H01L29/66545

Abstract: The metal gate structure includes at least a substrate, a dielectric layer, first and second trenches, first metal layer and second metal layers, and two cap layers. In particular, the dielectric layer is disposed on the substrate, and the first and second trenches are disposed in the dielectric layer. The width of the first trench is less than the width of the second trench. The first and second metal layers are respectively disposed in the first trench and the second trench, and the height of the first metal layer is less than or equal to the height of the second metal layer. The cap layers are respectively disposed in a top surface of the first metal layer and a top surface of the second metal layer.

Abstract translation: 金属栅极结构至少包括衬底，电介质层，第一和第二沟槽，第一金属层和第二金属层以及两个盖层。 特别地，介电层设置在基板上，并且第一和第二沟槽设置在电介质层中。 第一沟槽的宽度小于第二沟槽的宽度。 第一和第二金属层分别设置在第一沟槽和第二沟槽中，第一金属层的高度小于或等于第二金属层的高度。 盖层分别设置在第一金属层的顶表面和第二金属层的顶表面中。

公开(公告)号：US09209273B1

公开(公告)日：2015-12-08

申请号：US14463677

申请日：2014-08-20

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Ling Lin ,  Chih-Sen Huang ,  Shih-Fang Tzou ,  Chien-Ting Lin ,  Yi-Wei Chen ,  Shi-Xiong Lin ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Hsiao-Pang Chou ,  Chia-Lin Lu

IPC: H01L21/4763 ,  H01L29/66 ,  H01L27/088 ,  H01L29/51 ,  H01L29/49 ,  H01L21/3213 ,  H01L21/8234 ,  H01L21/8238

CPC classification number: H01L29/4966 ,  H01L21/28088 ,  H01L21/823456 ,  H01L21/82385 ,  H01L27/088 ,  H01L29/4232 ,  H01L29/517 ,  H01L29/66545

Abstract: A method for fabricating a metal gate structure includes providing a substrate on which a dielectric layer, a first trench disposed in the dielectric layer, a first metal layer filling up the first trench, a second trench disposed in the dielectric layer, a second metal layer filling up the second trench are disposed, and the width of the first trench is less than the width of the second trench; forming a mask layer to completely cover the second trench; performing a first etching process to remove portions of the first metal layer when the second trench is covered by the mask layer; and performing a second etching process to concurrently remove portions of the first metal layer and portions of the second metal layer after the first etching process.

Abstract translation: 一种用于制造金属栅极结构的方法，包括：提供基板，其上布置介电层，设置在电介质层中的第一沟槽，填充第一沟槽的第一金属层，设置在电介质层中的第二沟槽，第二金属层 设置填充第二沟槽，并且第一沟槽的宽度小于第二沟槽的宽度; 形成掩模层以完全覆盖所述第二沟槽; 当所述第二沟槽被所述掩模层覆盖时，执行第一蚀刻工艺以去除所述第一金属层的部分; 以及执行第二蚀刻工艺，以在第一蚀刻工艺之后同时去除第一金属层的部分和第二金属层的部分。

公开(公告)号：US09147612B2

公开(公告)日：2015-09-29

申请号：US14088445

申请日：2013-11-25

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Po-Cheng Huang ,  I-Ming Tseng ,  Yu-Ting Li ,  Chun-Hsiung Wang ,  Wu-Sian Sie ,  Yi-Liang Liu ,  Chia-Lin Hsu ,  Po-Chao Tsao ,  Chien-Ting Lin ,  Shih-Fang Tzou

IPC: H01L21/338 ,  H01L21/8234 ,  H01L21/265

CPC classification number: H01L21/823431 ,  H01L21/265 ,  H01L21/3086 ,  H01L29/6681

Abstract: The present invention provides a manufacturing method for forming a semiconductor structure, in which first, a substrate is provided, a hard mask is disposed on the substrate, the hard mask is then patterned to form a plurality of fin hard masks and a plurality of dummy fin hard masks, afterwards, a pattern transferring process is performed, to transfer the patterns of the fin hard masks and the fin hard masks into the substrate, so as to form a plurality of fin groups and a plurality of dummy fins. Each dummy fin is disposed on the end side of one fin group, and a fin cut process is performed, to remove each dummy fin.

Abstract translation: 本发明提供一种用于形成半导体结构的制造方法，其中首先设置基板，在基板上设置硬掩模，然后将硬掩模图案化以形成多个散热片硬掩模和多个虚拟 翅片硬掩模，然后进行图案转印处理，将翅片硬掩模和翅片硬掩模的图案转移到基板中，以形成多个翅片组和多个虚拟翅片。 每个假翅片设置在一个翅片组的端侧，并进行翅片切割处理，以去除每个假翅片。

公开(公告)号：US09076870B2

公开(公告)日：2015-07-07

申请号：US13772343

申请日：2013-02-21

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chien-Ting Lin ,  Shih-Hung Tsai

IPC: H01L21/28 ,  H01L29/78 ,  H01L29/66

CPC classification number: H01L29/7853 ,  H01L29/66795

Abstract: A method for forming a fin-shaped structure includes the following steps. A pad layer is formed on a substrate. A sacrificial pattern is formed on the pad layer. A spacer is formed on the pad layer beside the sacrificial pattern, wherein the ratio of the height of the spacer to the pad layer is larger than 5. The sacrificial pattern is removed. The layout of the spacer is transferred to the substrate to form at least a fin-shaped structure having a taper profile in the substrate.

Abstract translation: 形成翅片状结构的方法包括以下步骤。 衬底层形成在衬底上。 牺牲图案形成在衬垫层上。 在牺牲图案旁边的垫层上形成间隔物，其中间隔物与垫层的高度比大于5.牺牲图案被去除。 间隔物的布局被转移到基底以至少形成在基底中具有锥形轮廓的鳍状结构。

公开(公告)号：US20150155386A1

公开(公告)日：2015-06-04

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: H01L29/78 ,  H01L29/161 ,  H01L29/06

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：US20150076623A1

公开(公告)日：2015-03-19

申请号：US14025833

申请日：2013-09-13

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：US20150064929A1

公开(公告)日：2015-03-05

申请号：US14018447

申请日：2013-09-05

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： I-Ming Tseng ,  Shih-Hung Tsai ,  Rai-Min Huang ,  Yu-Ting Lin ,  Chien-Ting Lin ,  Shih-Fang Tzou

IPC: H01L21/02

CPC classification number: H01L29/66795 ,  H01L21/02164 ,  H01L21/02233 ,  H01L21/02271 ,  H01L21/02337 ,  H01L21/76224

Abstract: A method of gap filling includes providing a substrate having a plurality of gaps formed therein. Then, an in-situ steam generation oxidation is performed to form an oxide liner on the substrate. The oxide liner is formed to cover surfaces of the gaps. Subsequently, a high aspect ratio process is performed to form an oxide protecting layer on the oxide liner. After forming the oxide protecting layer, a flowable chemical vapor deposition is performed to form an oxide filling on the oxide protecting layer. More important, the gaps are filled up with the oxide filling layer.

Abstract translation: 间隙填充的方法包括提供其中形成有多个间隙的基板。 然后，进行原位蒸汽发生氧化，以在衬底上形成氧化物衬垫。 形成氧化物衬垫以覆盖间隙的表面。 随后，进行高纵横比处理以在氧化物衬垫上形成氧化物保护层。 在形成氧化物保护层之后，进行可流动的化学气相沉积以在氧化物保护层上形成填充氧化物。 更重要的是，间隙填充有氧化物填充层。