公开(公告)号：US09613969B2

公开(公告)日：2017-04-04

申请号：US14793714

申请日：2015-07-07

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Wei-Cyuan Lo ,  Ming-Jui Chen ,  Chia-Lin Lu ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen ,  Tan-Ya Yin ,  Chia-Wei Huang ,  Shu-Ru Wang ,  Yung-Feng Cheng

IPC: H01L27/11 ,  H01L29/76 ,  H01L21/768 ,  H01L29/78 ,  H01L23/535 ,  H01L21/8234 ,  H01L21/311

CPC classification number: H01L21/823871 ,  H01L21/31144 ,  H01L21/76802 ,  H01L21/76805 ,  H01L21/76877 ,  H01L21/76895 ,  H01L21/76897 ,  H01L21/823431 ,  H01L21/823475 ,  H01L21/823821 ,  H01L23/485 ,  H01L23/535 ,  H01L27/0922 ,  H01L27/1104 ,  H01L27/1108 ,  H01L29/7851 ,  H01L29/7853

Abstract: The present invention provides a semiconductor structure, including a substrate, a plurality of fin structures, a plurality of gate structures, a dielectric layer and a plurality of contact plugs. The substrate has a memory region. The fin structures are disposed on the substrate in the memory region, each of which stretches along a first direction. The gate structures are disposed on the fin structures, each of which stretches along a second direction. The dielectric layer is disposed on the gate structures and the fin structures. The contact plugs are disposed in the dielectric layer and electrically connected to a source/drain region in the fin structure. From a top view, the contact plug has a trapezoid shape or a pentagon shape. The present invention further provides a method for forming the same.

公开(公告)号：US20160351575A1

公开(公告)日：2016-12-01

申请号：US14793714

申请日：2015-07-07

Applicant: United Microelectronics Corp.

Inventor： Ching-Wen Hung ,  Wei-Cyuan Lo ,  Ming-Jui Chen ,  Chia-Lin Lu ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen ,  Tan-Ya Yin ,  Chia-Wei Huang ,  Shu-Ru Wang ,  Yung-Feng Cheng

IPC: H01L27/11 ,  H01L21/768 ,  H01L21/8234 ,  H01L21/311 ,  H01L29/78 ,  H01L23/535

CPC classification number: H01L21/823871 ,  H01L21/31144 ,  H01L21/76802 ,  H01L21/76805 ,  H01L21/76877 ,  H01L21/76895 ,  H01L21/76897 ,  H01L21/823431 ,  H01L21/823475 ,  H01L21/823821 ,  H01L23/485 ,  H01L23/535 ,  H01L27/0922 ,  H01L27/1104 ,  H01L27/1108 ,  H01L29/7851 ,  H01L29/7853

Abstract: The present invention provides a semiconductor structure, including a substrate, a plurality of fin structures, a plurality of gate structures, a dielectric layer and a plurality of contact plugs. The substrate has a memory region. The fin structures are disposed on the substrate in the memory region, each of which stretches along a first direction. The gate structures are disposed on the fin structures, each of which stretches along a second direction. The dielectric layer is disposed on the gate structures and the fin structures. The contact plugs are disposed in the dielectric layer and electrically connected to a source/drain region in the fin structure. From a top view, the contact plug has a trapezoid shape or a pentagon shape. The present invention further provides a method for forming the same.

Abstract translation: 本发明提供一种半导体结构，其包括基板，多个翅片结构，多个栅极结构，电介质层和多个接触插塞。 衬底具有存储区域。 翅片结构设置在存储区域中的基板上，每个沿着第一方向延伸。 栅极结构设置在翅片结构上，每个翼结构沿着第二方向延伸。 电介质层设置在栅极结构和鳍结构上。 接触插头设置在电介质层中并电连接到鳍结构中的源极/漏极区域。 从顶部看，接触塞具有梯形或五边形。 本发明还提供了一种形成该方法的方法。

公开(公告)号：US20170162449A1

公开(公告)日：2017-06-08

申请号：US15434067

申请日：2017-02-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Wei-Cyuan Lo ,  Ming-Jui Chen ,  Chia-Lin Lu ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen ,  Tan-Ya Yin ,  Chia-Wei Huang ,  Shu-Ru Wang ,  Yung-Feng Cheng

IPC: H01L21/8238 ,  H01L27/11 ,  H01L23/535 ,  H01L21/768 ,  H01L27/092

CPC classification number: H01L21/823871 ,  H01L21/31144 ,  H01L21/76802 ,  H01L21/76805 ,  H01L21/76877 ,  H01L21/76895 ,  H01L21/76897 ,  H01L21/823431 ,  H01L21/823475 ,  H01L21/823821 ,  H01L23/485 ,  H01L23/535 ,  H01L27/0922 ,  H01L27/1104 ,  H01L27/1108 ,  H01L29/7851 ,  H01L29/7853

Abstract: A method of forming a semiconductor structure is provided. A substrate having a memory region is provided. A plurality of fin structures are provided and each fin structure stretching along a first direction. A plurality of gate structures are formed, and each gate structure stretches along a second direction. Next, a dielectric layer is formed on the gate structures. A first patterned mask layer is formed, wherein the first patterned mask layer has a plurality of first trenches stretching along the second direction. A second patterned mask layer on the first patterned mask layer, wherein the second patterned mask layer comprises a plurality of first patterns stretching along the first direction. Subsequently, the dielectric layer is patterned by using the first patterned mask layer and the second patterned mask layer as a mask to form a plurality of contact vias. The contact holes are filled with a conductive layer.

公开(公告)号：US20170047251A1

公开(公告)日：2017-02-16

申请号：US14824091

申请日：2015-08-12

Applicant: United Microelectronics Corp.

Inventor： Yi-Hui Lee ,  Kun-Ju Li ,  Wei-Cyuan Lo ,  Ching-Wen Hung ,  Jia-Rong Wu ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L21/768 ,  H01L21/311 ,  H01L29/78 ,  H01L21/3105

CPC classification number: H01L21/76895 ,  H01L21/31051 ,  H01L21/31111 ,  H01L21/31133 ,  H01L21/31144 ,  H01L21/76805 ,  H01L21/76897 ,  H01L29/7851

Abstract: A method of manufacturing a semiconductor device includes: providing a semiconductor having active regions; depositing a dielectric layer on the semiconductor; forming a patterned etch mask on the dielectric layer; depositing a further dielectric layer on the dielectric layer and the patterned etch mask; planarizing the further dielectric layer until the patterned etch mask is exposed; and forming a further patterned etch mask having an opening on the further dielectric layer so that portions of the patterned etch mask are exposed from the opening.

Abstract translation: 一种制造半导体器件的方法包括：提供具有有源区的半导体; 在半导体上沉积介电层; 在介电层上形成图案化的蚀刻掩模; 在介电层和图案化的蚀刻掩模上沉积另外的介电层; 平面化另外的介电层，直到图案化的蚀刻掩模曝光; 以及形成另一图案化的蚀刻掩模，其在所述另外的电介质层上具有开口，使得所述图案化蚀刻掩模的部分从所述开口露出。

公开(公告)号：US09530778B1

公开(公告)日：2016-12-27

申请号：US14834439

申请日：2015-08-25

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chao-Hung Lin ,  Chih-Kai Hsu ,  Li-Wei Feng ,  Shih-Hung Tsai ,  Chien-Ting Lin ,  Jyh-Shyang Jenq ,  Ching-Wen Hung ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L21/00 ,  H01L27/092 ,  H01L29/51 ,  H01L21/8238

CPC classification number: H01L21/823842 ,  H01L21/28088 ,  H01L27/092 ,  H01L27/0922 ,  H01L29/511 ,  H01L29/517

Abstract: Semiconductor devices having metal gate include a substrate, a first nFET device formed thereon, and a second nFET device formed thereon. The first nFET device includes a first n-metal gate, and the first n-metal gate includes a third bottom barrier metal layer and an n type work function metal layer. The n type work function metal layer directly contacts the third bottom barrier layer. The second nFET device includes a second n-metal gate and the second n-metal gate includes a second bottom barrier metal layer, the n type work function metal layer, and a third p type work function metal layer sandwiched between the second bottom barrier metal layer and the n type work function metal layer. The third p type work function metal layer of the second nFET device and the third bottom barrier metal layer of the first nFET device include a same material.

Abstract translation: 具有金属栅极的半导体器件包括衬底，其上形成的第一nFET器件和形成在其上的第二nFET器件。 第一nFET器件包括第一n型金属栅极，并且第一n型金属栅极包括第三底部阻挡金属层和n型功函数金属层。 n型功函数金属层直接接触第三底层阻挡层。 第二nFET器件包括第二n型金属栅极，第二n型金属栅极包括第二底部阻挡金属层，n型功函数金属层和夹在第二底部阻挡金属之间的第三p型功函数金属层 层和n型功函数金属层。 第二nFET器件的第三p型功函数金属层和第一nFET器件的第三底阻挡金属层包括相同的材料。

公开(公告)号：US09859170B2

公开(公告)日：2018-01-02

申请号：US15434067

申请日：2017-02-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Wei-Cyuan Lo ,  Ming-Jui Chen ,  Chia-Lin Lu ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen ,  Tan-Ya Yin ,  Chia-Wei Huang ,  Shu-Ru Wang ,  Yung-Feng Cheng

IPC: H01L21/8238 ,  H01L21/768 ,  H01L27/11 ,  H01L23/535 ,  H01L27/092 ,  H01L29/78

CPC classification number: H01L21/823871 ,  H01L21/31144 ,  H01L21/76802 ,  H01L21/76805 ,  H01L21/76877 ,  H01L21/76895 ,  H01L21/76897 ,  H01L21/823431 ,  H01L21/823475 ,  H01L21/823821 ,  H01L23/485 ,  H01L23/535 ,  H01L27/0922 ,  H01L27/1104 ,  H01L27/1108 ,  H01L29/7851 ,  H01L29/7853

Abstract: A method of forming a semiconductor structure is provided. A substrate having a memory region is provided. A plurality of fin structures are provided and each fin structure stretching along a first direction. A plurality of gate structures are formed, and each gate structure stretches along a second direction. Next, a dielectric layer is formed on the gate structures. A first patterned mask layer is formed, wherein the first patterned mask layer has a plurality of first trenches stretching along the second direction. A second patterned mask layer on the first patterned mask layer, wherein the second patterned mask layer comprises a plurality of first patterns stretching along the first direction. Subsequently, the dielectric layer is patterned by using the first patterned mask layer and the second patterned mask layer as a mask to form a plurality of contact vias. The contact holes are filled with a conductive layer.

公开(公告)号：US20170098707A1

公开(公告)日：2017-04-06

申请号：US14932993

申请日：2015-11-05

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Yi-Kuan Wu ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L29/78 ,  H01L21/02 ,  H01L21/31 ,  H01L27/088 ,  H01L21/285 ,  H01L29/26 ,  H01L29/417 ,  H01L29/45 ,  H01L29/66 ,  H01L21/311

CPC classification number: H01L27/088 ,  H01L21/02521 ,  H01L21/28518 ,  H01L21/28568 ,  H01L21/31 ,  H01L21/31116 ,  H01L29/165 ,  H01L29/41725 ,  H01L29/41766 ,  H01L29/66545 ,  H01L29/66636 ,  H01L29/66643 ,  H01L29/66969

Abstract: A manufacturing method of a semiconductor structure includes the following steps. An epitaxial region is formed in a semiconductor substrate. A dielectric layer is formed on the epitaxial region, and a contact hole is formed in the dielectric layer. The contact hole exposes a part of the epitaxial region, and an oxide-containing layer is formed on the epitaxial region exposed by the contact hole. A contact structure is formed in the contact hole and on the oxide-containing layer. The oxide-containing layer is located between the contact structure and the epitaxial region. A semiconductor structure includes the semiconductor substrate, at least one epitaxial region, the contact structure, the oxide-containing layer, and a silicide layer. The contact structure is disposed on the epitaxial region. The oxide-containing layer is disposed between the epitaxial region and the contact structure. The silicide layer is disposed between the oxide-containing layer and the contact structure.

公开(公告)号：US09548239B2

公开(公告)日：2017-01-17

申请号：US14612235

申请日：2015-02-02

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chia-Lin Lu ,  Chun-Lung Chen ,  Feng-Yi Chang ,  Ching-Wen Hung ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Yi-Kuan Wu ,  Ying-Cheng Liu ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L21/76 ,  H01L21/768

CPC classification number: H01L21/76802 ,  H01L21/76816 ,  H01L21/76879

Abstract: A gate structure is first formed on a substrate and an interlayer dielectric (ILD) layer is formed around the gate structure, a dielectric layer is formed on the ILD layer and the gate structure, an opening is formed in the dielectric layer and the ILD layer, and an organic dielectric layer (ODL) is formed on the dielectric layer and in the opening. After removing part of the ODL, part of the dielectric layer to extend the opening, and then the remaining ODL, a contact plug is formed in the opening.

Abstract translation: 首先在衬底上形成栅极结构，并且在栅极结构周围形成层间电介质（ILD）层，在ILD层和栅极结构上形成介电层，在介电层和ILD层中形成开口 并且在介质层和开口中形成有机电介质层（ODL）。 在去除部分ODL后，部分电介质层延伸开口，然后剩余的ODL，在开口处形成接触塞。

公开(公告)号：US09985020B2

公开(公告)日：2018-05-29

申请号：US14932993

申请日：2015-11-05

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Yi-Kuan Wu ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L21/02 ,  H01L27/088 ,  H01L29/66 ,  H01L21/31 ,  H01L21/311 ,  H01L21/285 ,  H01L29/417 ,  H01L29/165

CPC classification number: H01L27/088 ,  H01L21/02521 ,  H01L21/28518 ,  H01L21/28568 ,  H01L21/31 ,  H01L21/31116 ,  H01L29/165 ,  H01L29/41725 ,  H01L29/41766 ,  H01L29/66545 ,  H01L29/66636 ,  H01L29/66643 ,  H01L29/66969

Abstract: A manufacturing method of a semiconductor structure includes the following steps. An epitaxial region is formed in a semiconductor substrate. A dielectric layer is formed on the epitaxial region, and a contact hole is formed in the dielectric layer. The contact hole exposes a part of the epitaxial region, and an oxide-containing layer is formed on the epitaxial region exposed by the contact hole. A contact structure is formed in the contact hole and on the oxide-containing layer. The oxide-containing layer is located between the contact structure and the epitaxial region. A semiconductor structure includes the semiconductor substrate, at least one epitaxial region, the contact structure, the oxide-containing layer, and a silicide layer. The contact structure is disposed on the epitaxial region. The oxide-containing layer is disposed between the epitaxial region and the contact structure. The silicide layer is disposed between the oxide-containing layer and the contact structure.

公开(公告)号：US09831133B2

公开(公告)日：2017-11-28

申请号：US15352605

申请日：2016-11-16

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chao-Hung Lin ,  Chih-Kai Hsu ,  Li-Wei Feng ,  Shih-Hung Tsai ,  Chien-Ting Lin ,  Jyh-Shyang Jenq ,  Ching-Wen Hung ,  Jia-Rong Wu ,  Yi-Hui Lee ,  Ying-Cheng Liu ,  Yi-Kuan Wu ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L21/00 ,  H01L21/8238 ,  H01L27/092 ,  H01L29/51 ,  H01L21/28

CPC classification number: H01L21/823842 ,  H01L21/28088 ,  H01L27/092 ,  H01L27/0922 ,  H01L29/511 ,  H01L29/517

Abstract: A method for manufacturing semiconductor devices having metal gate includes follow steps. A substrate including a plurality of isolation structures is provided. A first nFET device and a second nFET device are formed on the substrate. The first nFET device includes a first gate trench and the second nFET includes a second gate trench. A third bottom barrier layer is formed in the first gate trench and a third p-work function metal layer is formed in the second gate trench, simultaneously. The third bottom barrier layer and the third p-work function metal layer include a same material. An n-work function metal layer is formed in the first gate trench and the second gate trench. The n-work function metal layer in the first gate trench directly contacts the third bottom barrier layer, and the n-work function metal layer in the second gate trench directly contacts the third p-work function metal layer.