公开(公告)号：US20200020698A1

公开(公告)日：2020-01-16

申请号：US16583268

申请日：2019-09-26

Applicant: UNITED MICROELECTRONICS CORP. ,  Fujian Jinhua Integrated Circuit Co., Ltd.

Inventor： Pin-Hong Chen ,  Yi-Wei Chen ,  Chih-Chieh Tsai ,  Tzu-Chieh Chen ,  Tsun-Min Cheng ,  Chi-Mao Hsu

IPC: H01L27/108 ,  H01L21/768

Abstract: A fabricating method of a semiconductive element includes providing a substrate, wherein an amorphous silicon layer covers the substrate. Then, a titanium nitride layer is provided to cover and contact the amorphous silicon layer. Later, a titanium layer is formed to cover the titanium nitride layer. Finally, a thermal process is performed to transform the titanium nitride layer into a nitrogen-containing titanium silicide layer.

公开(公告)号：US20200006514A1

公开(公告)日：2020-01-02

申请号：US16561002

申请日：2019-09-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Chih Lai ,  Yun-Tzu Chang ,  Wei-Ming Hsiao ,  Nien-Ting Ho ,  Shih-Min Chou ,  Yang-Ju Lu ,  Ching-Yun Chang ,  Yen-Chen Chen ,  Kuan-Chun Lin ,  Chi-Mao Hsu

IPC: H01L29/51 ,  H01L29/40 ,  H01L29/49

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having a first region, a second region, a third region, and a fourth region; forming a tuning layer on the second region; forming a first work function metal layer on the first region and the tuning layer of the second region; forming a second work function metal layer on the first region, the second region, and the fourth region; and forming a top barrier metal (TBM) layer on the first region, the second region, the third region, and the fourth region.

公开(公告)号：US10323332B2

公开(公告)日：2019-06-18

申请号：US15206321

申请日：2016-07-11

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Ling Lin ,  Yen-Liang Lu ,  Chi-Mao Hsu ,  Chin-Fu Lin ,  Chun-Hung Chen ,  Tsun-Min Cheng ,  Chi-Ray Tsai

IPC: C25D7/12 ,  C25D5/00 ,  C25D3/38 ,  C25D5/10 ,  C25D5/54 ,  H01L21/288 ,  H01L21/768

Abstract: An electrical chemical plating process is provided. A semiconductor structure is provided in an electrical plating platform. A pre-electrical-plating step is performed wherein the pre-electrical-plating step is carried out under a fixed voltage environment and lasts for 0.2 to 0.5 seconds after the current is above the threshold current of the electrical plating platform. After the pre-electrical-plating step, a first electrical plating step is performed on the semiconductor structure.

公开(公告)号：US10199228B2

公开(公告)日：2019-02-05

申请号：US15479292

申请日：2017-04-05

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Nien-Ting Ho ,  Chien-Hao Chen ,  Hsin-Fu Huang ,  Chi-Yuan Sun ,  Wei-Yu Chen ,  Min-Chuan Tsai ,  Tsun-Min Cheng ,  Chi-Mao Hsu

IPC: H01L21/76 ,  H01L21/28 ,  H01L29/49 ,  H01L21/8238 ,  H01L29/51 ,  H01L29/66 ,  H01L29/78 ,  H01L29/165

Abstract: A manufacturing method of a metal gate structure includes the following steps. First, a substrate covered by an interlayer dielectric is provided. A gate trench is formed in the interlayer dielectric, wherein a gate dielectric layer is formed in the gate trench. A silicon-containing work function layer is formed on the gate dielectric layer in the gate trench. The silicon-containing work function layer includes a vertical portion and a horizontal portion. Finally, the gate trench is filled up with a conductive metal layer.

公开(公告)号：US20190027479A1

公开(公告)日：2019-01-24

申请号：US15990837

申请日：2018-05-29

Applicant: UNITED MICROELECTRONICS CORP. ,  Fujian Jinhua Integrated Circuit Co., Ltd.

Inventor： Chia-Chen Wu ,  Yi-Wei Chen ,  Chi-Mao Hsu ,  Kai-Jiun Chang ,  Chih-Chieh Tsai ,  Pin-Hong Chen ,  Tsun-Min Cheng ,  Yi-An Huang

IPC: H01L27/108 ,  C23C14/06 ,  C23C14/58 ,  C23C14/34

Abstract: A method of fabricating a cobalt silicide layer includes providing a substrate disposed in a chamber. A deposition process is performed to form a cobalt layer covering the substrate. The deposition process is performed when the temperature of the substrate is between 50° C. and 100° C., and the temperature of the chamber is between 300° C. and 350° C. After the deposition process, an annealing process is performed to transform the cobalt layer into a cobalt silicide layer. The annealing process is performed when the substrate is between 300° C. and 350° C., and the duration of the annealing process is between 50 seconds and 60 seconds.

公开(公告)号：US20170323950A1

公开(公告)日：2017-11-09

申请号：US15656778

申请日：2017-07-21

Applicant: United Microelectronics Corp.

Inventor： Pin-Hong Chen ,  Kuo-Chih Lai ,  Chia-Chang Hsu ,  Chun-Chieh Chiu ,  Li-Han Chen ,  Min-Chuan Tsai ,  Kuo-Chin Hung ,  Wei-Chuan Tsai ,  Hsin-Fu Huang ,  Chi-Mao Hsu

IPC: H01L29/66 ,  H01L29/45 ,  H01L21/285 ,  H01L29/267 ,  H01L29/78

CPC classification number: H01L29/665 ,  H01L21/28518 ,  H01L21/76843 ,  H01L21/76855 ,  H01L21/76897 ,  H01L29/267 ,  H01L29/45 ,  H01L29/7845 ,  H01L29/785

Abstract: A semiconductor process is described. A silicon-phosphorus (SiP) epitaxial layer is formed serving as a source/drain (S/D) region. A crystalline metal silicide layer is formed directly on the SiP epitaxial layer and thus prevents oxidation of the SiP epitaxial layer. A contact plug is formed over the crystalline metal silicide layer.

公开(公告)号：US09558996B2

公开(公告)日：2017-01-31

申请号：US14480648

申请日：2014-09-09

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chi-Mao Hsu ,  Hsin-Fu Huang ,  Min-Chuan Tsai ,  Chien-Hao Chen ,  Wei-Yu Chen ,  Chin-Fu Lin ,  Jing-Gang Li ,  Min-Hsien Chen ,  Jian-Hong Su

IPC: H01L21/768 ,  H01L21/285 ,  H01L21/28 ,  H01L29/66 ,  H01L23/522 ,  H01L23/532 ,  H01L29/51

CPC classification number: H01L21/76846 ,  H01L21/28079 ,  H01L21/28088 ,  H01L21/2855 ,  H01L21/76877 ,  H01L21/76879 ,  H01L23/5226 ,  H01L23/53223 ,  H01L29/513 ,  H01L29/517 ,  H01L29/518 ,  H01L29/66545 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A method for filling a trench with a metal layer is disclosed. A deposition apparatus having a plurality of supporting pins is provided. A substrate and a dielectric layer disposed thereon are provided. The dielectric layer has a trench. A first deposition process is performed immediately after the substrate is placed on the supporting pins to form a metal layer in the trench, wherein during the first deposition process a temperature of the substrate is gradually increased to reach a predetermined temperature. When the temperature of the substrate reaches the predetermined temperature, a second deposition process is performed to completely fill the trench with the metal layer. The present invention further provides a semiconductor device having an aluminum layer with a reflectivity greater than 1, wherein the semiconductor device is formed by using the method.

Abstract translation: 公开了一种用金属层填充沟槽的方法。 提供具有多个支撑销的沉积装置。 设置有基板和介电层。 电介质层具有沟槽。 在将基板放置在支撑销上以在沟槽中形成金属层之后立即执行第一沉积工艺，其中在第一沉积工艺期间，基板的温度逐渐增加以达到预定温度。 当基板的温度达到预定温度时，执行第二沉积工艺以用金属层完全填充沟槽。 本发明还提供了具有大于1的反射率的铝层的半导体器件，其中通过使用该方法形成半导体器件。

公开(公告)号：US09530862B2

公开(公告)日：2016-12-27

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: H01L21/4763 ,  H01L29/66 ,  H01L21/28 ,  H01L21/321 ,  H01L29/78 ,  H01L29/423 ,  H01L29/51 ,  H01L27/092 ,  H01L29/49 ,  H01L21/8238

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.

公开(公告)号：US20160336270A1

公开(公告)日：2016-11-17

申请号：US14710583

申请日：2015-05-12

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Pin-Hong Chen ,  Kuo-Chih Lai ,  Chia Chang Hsu ,  Chun-Chieh Chiu ,  Li-Han Chen ,  Shu Min Huang ,  Min-Chuan Tsai ,  Hsin-Fu Huang ,  Chi-Mao Hsu

IPC: H01L23/535 ,  H01L23/528 ,  H01L23/532 ,  H01L21/768

CPC classification number: H01L21/76846 ,  H01L21/28518 ,  H01L21/28568 ,  H01L21/76802 ,  H01L21/76805 ,  H01L21/76849 ,  H01L21/76855 ,  H01L21/76865 ,  H01L21/76877 ,  H01L21/76889 ,  H01L21/76895 ,  H01L21/76897 ,  H01L23/485 ,  H01L23/53238 ,  H01L23/53266

Abstract: A semiconductor process for forming a plug includes the following steps. A dielectric layer having a recess is formed on a substrate. A titanium layer is formed to conformally cover the recess. A first titanium nitride layer is formed to conformally cover the titanium layer, thereby the first titanium nitride layer having first sidewall parts. The first sidewall parts of the first titanium nitride layer are pulled back, thereby second sidewall parts being formed. A second titanium nitride layer is formed to cover the recess. Moreover, a semiconductor structure formed by said semiconductor process is also provided.

Abstract translation: 用于形成插头的半导体工艺包括以下步骤。 在基板上形成具有凹部的电介质层。 形成钛层以保形地覆盖凹部。 第一氮化钛层被形成为保形地覆盖钛层，由此第一氮化钛层具有第一侧壁部分。 第一氮化钛层的第一侧壁部分被拉回，从而形成第二侧壁部分。 形成第二氮化钛层以覆盖凹部。 此外，还提供了由所述半导体工艺形成的半导体结构。

公开(公告)号：US20160319450A1

公开(公告)日：2016-11-03

申请号：US15206321

申请日：2016-07-11

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chun-Ling Lin ,  Yen-Liang Lu ,  Chi-Mao Hsu ,  Chin-Fu Lin ,  Chun-Hung Chen ,  Tsun-Min Cheng ,  Chi-Ray Tsai

IPC: C25D5/54 ,  H01L21/768 ,  C25D7/12 ,  H01L21/288 ,  C25D3/38 ,  C25D5/10

CPC classification number: C25D5/54 ,  C25D3/38 ,  C25D5/00 ,  C25D5/10 ,  C25D7/123 ,  H01L21/2885 ,  H01L21/76879

Abstract: An electrical chemical plating process is provided. A semiconductor structure is provided in an electrical plating platform. A pre-electrical-plating step is performed wherein the pre-electrical-plating step is carried out under a fixed voltage environment and lasts for 0.2 to 0.5 seconds after the current is above the threshold current of the electrical plating platform. After the pre-electrical-plating step, a first electrical plating step is performed on the semiconductor structure.

Abstract translation: 提供电化学镀工艺。 半导体结构设置在电镀平台中。 进行预电镀步骤，其中预电镀步骤在固定电压环境下进行，并且在电流高于电镀平台的阈值电流之后持续0.2至0.5秒。 在预电镀步骤之后，对半导体结构进行第一电镀步骤。