公开(公告)号：US20230078993A1

公开(公告)日：2023-03-16

申请号：US17989710

申请日：2022-11-18

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Hui-Hsin Hsu ,  Huan-Chi Ma ,  Chien-Wen Yu ,  Shih-Min Chou ,  Nien-Ting Ho ,  Ti-Bin Chen

IPC: H01L29/49 ,  H01L29/423 ,  H01L29/40 ,  H01L29/66

Abstract: A semiconductor device includes a substrate and a gate structure. The gate structure is disposed on the substrate, and the gate structure includes a titanium nitride barrier layer a titanium aluminide layer, and a middle layer. The titanium aluminide layer is disposed on the titanium nitride barrier layer, and the middle layer is disposed between the titanium aluminide layer and the titanium nitride barrier layer. The middle layer is directly connected with the titanium aluminide layer and the titanium nitride barrier layer, and the middle layer includes titanium and nitrogen. A concentration of nitrogen in the middle layer is gradually decreased in a vertical direction towards an interface between the middle layer and the titanium aluminide layer.

公开(公告)号：US20220238632A1

公开(公告)日：2022-07-28

申请号：US17160319

申请日：2021-01-27

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Chih Lai ,  Chi-Mao Hsu ,  Shih-Min Chou ,  Nien-Ting Ho ,  Wei-Ming Hsiao ,  Li-Han Chen ,  Szu-Yao Yu ,  Hsin-Fu Huang

IPC: H01L49/02 ,  H01C7/00 ,  H01C17/08

Abstract: A method for forming a thin film resistor with improved thermal stability is disclosed. A substrate having thereon a first dielectric layer is provided. A resistive material layer is deposited on the first dielectric layer. A capping layer is deposited on the resistive material layer. The resistive material layer is then subjected to a thermal treatment at a pre-selected temperature higher than 350 degrees Celsius in a hydrogen or deuterium atmosphere. The capping layer and the resistive material layer are patterned to form a thin film resistor on the first dielectric layer.

公开(公告)号：US20210351347A1

公开(公告)日：2021-11-11

申请号：US17384817

申请日：2021-07-26

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Shih-Min Chou ,  Kuo-Chih Lai ,  Wei-Ming Hsiao ,  Hui-Ting Lin ,  Szu-Yao Yu ,  Nien-Ting Ho ,  Hsin-Fu Huang ,  Chin-Fu Lin

IPC: H01L45/00

Abstract: An ReRAM structure includes a dielectric layer. A first ReRAM and a second ReRAM are disposed on the dielectric layer. The second ReRAM is at one side of the first ReRAM. A trench is disposed in the dielectric layer between the first ReRAM and the second ReRAM. The first ReRAM includes a bottom electrode, a variable resistive layer and a top electrode. The variable resistive layer is between the bottom electrode and the top electrode. A width of the bottom electrode is smaller than a width of the top electrode. The width of the bottom electrode is smaller than a width of the variable resistive layer.

公开(公告)号：US20200321442A1

公开(公告)日：2020-10-08

申请号：US16907287

申请日：2020-06-21

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yi-Fan Li ,  Wen-Yen Huang ,  Shih-Min Chou ,  Zhen Wu ,  Nien-Ting Ho ,  Chih-Chiang Wu ,  Ti-Bin Chen

IPC: H01L29/49 ,  H01L29/40 ,  H01L27/092

Abstract: A semiconductor device includes a substrate having a first region and a second region and a gate structure on the first region and the second region of the substrate. The gate structure includes a first bottom barrier metal (BBM) layer on the first region and the second region, a first work function metal (WFM) layer on the first region; and a diffusion barrier layer on a top surface and a sidewall of the first WFM layer on the first region and the first BBM layer on the second region. Preferably, a thickness of the first BBM layer on the second region is less than a thickness of the first BBM layer on the first region.

公开(公告)号：US09728467B2

公开(公告)日：2017-08-08

申请号：US14880693

申请日：2015-10-12

Applicant: United Microelectronics Corp.

Inventor： Yun-Tzu Chang ,  Shih-Min Chou ,  Kuo-Chih Lai ,  Ching-Yun Chang ,  Hsiang-Chieh Yen ,  Yen-Chen Chen ,  Yang-Ju Lu ,  Nien-Ting Ho ,  Chi-Mao Hsu

IPC: H01L21/302 ,  H01L29/788 ,  H01L21/28 ,  H01L21/8238

CPC classification number: H01L21/823842

Abstract: A method for modulating a work function of a semiconductor device having a metal gate structure including the following steps is provided. A first stacked gate structure and a second stacked gate structure having an identical structure are provided on a substrate. The first stacked gate structure and the second stacked gate structure respectively include a first work function metal layer of a first type. A patterned hard mask layer is formed. The patterned hard mask layer exposes the first work function metal layer of the first stacked gate structure and covers the first work function metal layer of the second stacked gate structure. A first gas treatment is performed to the first work function metal layer of the first stacked gate structure exposed by the patterned hard mask layer. A gas used in the first gas treatment includes nitrogen-containing gas or oxygen-containing gas.

公开(公告)号：US20160126331A1

公开(公告)日：2016-05-05

申请号：US14554068

申请日：2014-11-26

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chi-Ju Lee ,  Yao-Chang Wang ,  Nien-Ting Ho ,  Chi-Mao Hsu ,  Kuan-Cheng Su ,  Main-Gwo Chen ,  Hsiao-Kwang Yang ,  Fang-Hong Yao ,  Sheng-Huei Dai ,  Tzung-Lin Li

IPC: H01L29/423 ,  H01L21/02 ,  H01L21/28 ,  H01L29/49 ,  H01L29/51

CPC classification number: H01L29/42376 ,  H01L21/02178 ,  H01L21/02186 ,  H01L21/02194 ,  H01L21/02244 ,  H01L21/02255 ,  H01L21/28079 ,  H01L21/28088 ,  H01L29/4958 ,  H01L29/4966 ,  H01L29/513 ,  H01L29/517 ,  H01L29/518 ,  H01L29/66545 ,  H01L29/6659 ,  H01L29/78

Abstract: The present invention provides a metal gate structure which is formed in a trench of a dielectric layer. The metal gate structure includes a work function metal layer and a metal layer. The work function metal layer is disposed in the trench and comprises a bottom portion and a side portion, wherein a ratio between a thickness of the bottom portion and a thickness of the side portion is between 2 and 5. The trench is filled with the metal layer. The present invention further provides a method of forming the metal gate structure.

Abstract translation: 本发明提供了形成在电介质层的沟槽中的金属栅极结构。 金属栅极结构包括功函数金属层和金属层。 工作功能金属层设置在沟槽中，并且包括底部和侧部，其中底部的厚度和侧部的厚度之间的比率在2-5之间。沟槽填充有金属 层。 本发明还提供一种形成金属栅极结构的方法。

公开(公告)号：US20150380312A1

公开(公告)日：2015-12-31

申请号：US14314425

申请日：2014-06-25

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Shin-Chi Chen ,  Chih-Yueh Li ,  Shui-Yen Lu ,  Chi-Mao Hsu ,  Yuan-Chi Pai ,  Yu-Hong Kuo ,  Nien-Ting Ho

IPC: H01L21/8238 ,  H01L21/28 ,  H01L29/423 ,  H01L21/311

CPC classification number: H01L21/82385 ,  H01L21/28026 ,  H01L21/28088 ,  H01L21/31111 ,  H01L21/31144 ,  H01L21/32139 ,  H01L21/823842 ,  H01L29/42376 ,  H01L29/66545

Abstract: A method of manufacturing a semiconductor device is provided. The method includes the following steps. A substrate including a first transistor having a first conductivity type, a second transistor having a second conductivity type and a third transistor having the first conductivity type is formed. An inner-layer dielectric layer is formed on the substrate, and includes a first gate trench corresponding to the first transistor, a second gate trench corresponding to the second transistor and a third gate trench corresponding to the third transistor. A work function metal layer is formed on the inner-layer dielectric layer. An anti-reflective layer is coated on the work function metal layer. The anti-reflective layer on the second transistor and on the top portion of the third gate trench is removed to expose the work function metal layer. The exposed work function metal layer is removed.

Abstract translation: 提供一种制造半导体器件的方法。 该方法包括以下步骤。 形成包括具有第一导电类型的第一晶体管，具有第二导电类型的第二晶体管和具有第一导电类型的第三晶体管的衬底。 内层电介质层形成在衬底上，并且包括对应于第一晶体管的第一栅极沟槽，对应于第二晶体管的第二栅极沟槽和对应于第三晶体管的第三栅极沟槽。 在内层电介质层上形成功函数金属层。 在功函数金属层上涂敷抗反射层。 去除第二晶体管上的抗反射层和第三栅极沟槽的顶部以暴露功函数金属层。 暴露的功能金属层被去除。

公开(公告)号：US08993390B2

公开(公告)日：2015-03-31

申请号：US14277812

申请日：2014-05-15

Applicant: United Microelectronics Corp.

Inventor： Kuo-Chih Lai ,  Chia Chang Hsu ,  Nien-Ting Ho ,  Bor-Shyang Liao ,  Shu Min Huang ,  Min-Chung Cheng ,  Yu-Ru Yang

IPC: H01L21/336 ,  H01L21/8234 ,  H01L21/768 ,  H01L29/417 ,  H01L29/66

CPC classification number: H01L21/76889 ,  H01L29/41791 ,  H01L29/66795

Abstract: A manufacturing method of a semiconductor device comprises the following steps. First, a substrate is provided, at least one fin structure is formed on the substrate, and a metal layer is then deposited on the fin structure to form a salicide layer. After depositing the metal layer, the metal layer is removed but no RTP is performed before the metal layer is removed. Then a RTP is performed after the metal layer is removed.

Abstract translation: 半导体器件的制造方法包括以下步骤。 首先，提供基板，在基板上形成至少一个翅片结构，然后在翅片结构上沉积金属层以形成自对准硅化物层。 在沉积金属层之后，除去金属层，但在除去金属层之前不进行RTP。 然后在去除金属层之后执行RTP。

公开(公告)号：US08877635B2

公开(公告)日：2014-11-04

申请号：US13913535

申请日：2013-06-10

Applicant: United Microelectronics Corp.

Inventor： Kuo-Chih Lai ,  Nien-Ting Ho ,  Shu Min Huang ,  Bor-Shyang Liao ,  Chia Chang Hsu

IPC: H01L21/44 ,  H01L21/285 ,  H01L21/02 ,  H01L29/66 ,  H01L21/28 ,  H01L21/324

CPC classification number: H01L21/324 ,  H01L21/02068 ,  H01L21/28052 ,  H01L21/28518 ,  H01L29/665

Abstract: A method for fabricating metal-oxide semiconductor (MOS) transistor is disclosed. The method includes the steps of: providing a semiconductor substrate having a silicide thereon; performing a first rapid thermal process to drive-in platinum from a surface of the silicide into the silicide; and removing un-reacted platinum in the first rapid thermal process.

Abstract translation: 公开了一种用于制造金属氧化物半导体（MOS）晶体管的方法。 该方法包括以下步骤：提供其上具有硅化物的半导体衬底; 执行第一快速热处理以将铂从硅化物的表面驱入硅化物; 并在第一快速热处理中除去未反应的铂。

公开(公告)号：US20130273736A1

公开(公告)日：2013-10-17

申请号：US13913535

申请日：2013-06-10

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Chih Lai ,  Nien-Ting Ho ,  Shu Min Huang ,  Bor-Shyang Liao ,  Chia Chang Hsu

IPC: H01L21/324

CPC classification number: H01L21/324 ,  H01L21/02068 ,  H01L21/28052 ,  H01L21/28518 ,  H01L29/665

Abstract: A method for fabricating metal-oxide semiconductor (MOS) transistor is disclosed. The method includes the steps of: providing a semiconductor substrate having a silicide thereon; performing a first rapid thermal process to drive-in platinum from a surface of the silicide into the silicide; and removing un-reacted platinum in the first rapid thermal process.

Abstract translation: 公开了一种用于制造金属氧化物半导体（MOS）晶体管的方法。 该方法包括以下步骤：提供其上具有硅化物的半导体衬底; 执行第一快速热处理以将铂从硅化物的表面驱入硅化物; 并在第一快速热处理中除去未反应的铂。