公开(公告)号：US20150380512A1

公开(公告)日：2015-12-31

申请号：US14848362

申请日：2015-09-09

Applicant: United Microelectronics Corp.

Inventor： Chan-Lon Yang ,  Chi-Mao Hsu ,  Chun-Yuan Wu ,  Tzyy-Ming Cheng ,  Shih-Fang Tzou ,  Chin-Fu Lin ,  Hsin-Fu Huang ,  Min-Chuan Tsai

IPC: H01L29/51 ,  H01L29/423 ,  H01L29/49

CPC classification number: H01L29/517 ,  H01L21/28088 ,  H01L29/165 ,  H01L29/42364 ,  H01L29/42376 ,  H01L29/4966 ,  H01L29/665 ,  H01L29/66545 ,  H01L29/6659 ,  H01L29/66636 ,  H01L29/7833 ,  H01L29/7843

Abstract: A method for manufacturing a metal gate structure includes providing a substrate having a high-K gate dielectric layer and a bottom barrier layer sequentially formed thereon, forming a work function metal layer on the substrate, and performing an anneal treatment to the work function metal layer in-situ.

Abstract translation: 一种金属栅极结构的制造方法，其特征在于，具备在其上依次形成有高K栅极电介质层和底部阻挡层的基板，在基板上形成功函数金属层，对功函数金属层进行退火处理 原位。

公开(公告)号：US09159831B2

公开(公告)日：2015-10-13

申请号：US13662561

申请日：2012-10-29

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chih-Chien Liu ,  Chun-Yuan Wu ,  Chin-Fu Lin ,  Chin-Cheng Chien ,  Chia-Lin Hsu

IPC: H01L21/70 ,  H01L29/78 ,  H01L21/764 ,  H01L29/66 ,  H01L21/02 ,  H01L27/11

CPC classification number: H01L29/785 ,  H01L21/02225 ,  H01L21/764 ,  H01L27/11 ,  H01L29/66484 ,  H01L29/66795

Abstract: A multigate field effect transistor includes two fin-shaped structures and a dielectric layer. The fin-shaped structures are located on a substrate. The dielectric layer covers the substrate and the fin-shaped structures. At least two voids are located in the dielectric layer between the two fin-shaped structures. Moreover, the present invention also provides a multigate field effect transistor process for forming said multigate field effect transistor including the following steps. Two fin-shaped structures are formed on a substrate. A dielectric layer covers the substrate and the two fin-shaped structures, wherein at least two voids are formed in the dielectric layer between the two fin-shaped structures.

Abstract translation: 多栅场效应晶体管包括两个鳍状结构和介电层。 鳍状结构位于基底上。 电介质层覆盖基板和鳍状结构。 在两个鳍状结构之间的电介质层中至少有两个空隙。 此外，本发明还提供了一种用于形成所述多栅极场效应晶体管的多栅场效应晶体管工艺，包括以下步骤。 在基板上形成两个鳍状结构。 电介质层覆盖基板和两个鳍状结构，其中在两个鳍状结构之间的电介质层中形成至少两个空隙。

公开(公告)号：US09018086B2

公开(公告)日：2015-04-28

申请号：US14105198

申请日：2013-12-13

Applicant: United Microelectronics Corp.

Inventor： Chi-Mao Hsu ,  Hsin-Fu Huang ,  Chin-Fu Lin ,  Min-Chuan Tsai ,  Wei-Yu Chen ,  Chien-Hao Chen

IPC: H01L21/3205 ,  H01L21/4763 ,  H01L29/76 ,  H01L21/28 ,  H01L21/8238 ,  H01L29/40 ,  H01L29/49 ,  H01L29/66 ,  H01L29/78

CPC classification number: H01L21/28026 ,  H01L21/28079 ,  H01L21/28088 ,  H01L21/823842 ,  H01L29/401 ,  H01L29/49 ,  H01L29/66545 ,  H01L29/7833 ,  H01L29/7843

Abstract: The present invention provides a method of forming a semiconductor device having a metal gate. A substrate is provided and a gate dielectric and a work function metal layer are formed thereon, wherein the work function metal layer is on the gate dielectric layer. Then, a top barrier layer is formed on the work function metal layer. The step of forming the top barrier layer includes increasing a concentration of a boundary protection material in the top barrier layer. Lastly, a metal layer is formed on the top barrier layer. The present invention further provides a semiconductor device having a metal gate.

Abstract translation: 本发明提供一种形成具有金属栅极的半导体器件的方法。 提供基板，并且在其上形成栅极电介质和功函数金属层，其中功函数金属层在栅极电介质层上。 然后，在功函数金属层上形成顶部阻挡层。 形成顶部阻挡层的步骤包括增加顶部阻挡层中边界保护材料的浓度。 最后，在顶部阻挡层上形成金属层。 本发明还提供一种具有金属栅极的半导体器件。

公开(公告)号：US20150064896A1

公开(公告)日：2015-03-05

申请号：US14013429

申请日：2013-08-29

Applicant: United Microelectronics Corp.

Inventor： Hung-Lin Shih ,  Chun-Yuan Wu ,  Chin-Fu Lin ,  Chih-Chien Liu

IPC: H01L21/28

CPC classification number: H01L21/02164 ,  H01L21/0217 ,  H01L21/30621 ,  H01L21/31116 ,  H01L21/31144 ,  H01L21/823807 ,  H01L21/823814 ,  H01L21/823828 ,  H01L29/6653 ,  H01L29/66545 ,  H01L29/66628

Abstract: Provided is a method of fabricating a semiconductor device including the following steps. A dummy gate structure is formed on a substrate, wherein the dummy gate structure includes a dummy gate and a stacked hard mask, and the stacked hard mask includes from bottom to top a first hard mask layer and a second hard mask layer. A spacer is formed on a sidewall of the dummy gate structure. A mask layer is formed on the substrate. An opening corresponding to the second hard mask layer is formed in the mask layer. The second hard mask layer is removed. The mask layer is removed. A dry etch process is performed to remove the first hard mask layer, wherein the dry etch process uses NF3 and H2 as etchants.

Abstract translation: 提供一种制造半导体器件的方法，包括以下步骤。 在基板上形成虚拟栅极结构，其中虚拟栅极结构包括虚拟栅极和堆叠的硬掩模，并且堆叠的硬掩模从底部至顶部包括第一硬掩模层和第二硬掩模层。 在虚拟栅极结构的侧壁上形成间隔物。 在基板上形成掩模层。 在掩模层中形成与第二硬掩模层对应的开口。 去除第二个硬掩模层。 去除掩模层。 执行干蚀刻工艺以去除第一硬掩模层，其中干蚀刻工艺使用NF 3和H 2作为蚀刻剂。

公开(公告)号：US20140367779A1

公开(公告)日：2014-12-18

申请号：US13917623

申请日：2013-06-13

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chin-Cheng Chien ,  Chun-Yuan Wu ,  Chin-Fu Lin ,  Chih-Chien Liu ,  Chia-Lin Hsu

IPC: H01L29/78 ,  H01L29/66

CPC classification number: H01L29/785 ,  H01L29/42392 ,  H01L29/66795 ,  H01L29/78696

Abstract: A semiconductor structure includes a fin-shaped structure and a gate. The fin-shaped structure is located in a substrate, wherein the fin-shaped structure has a through hole located right below a vacant part. The gate surrounds the vacant part. Moreover, the present invention also provides a semiconductor process including the following steps for forming said semiconductor structure. A substrate is provided. A fin-shaped structure is formed in the substrate, wherein the fin-shaped structure has a bottom part and a top part. A part of the bottom part is removed to form a vacant part in the corresponding top part, thereby forming the vacant part over a through hole. A gate is formed to surround the vacant part.

Abstract translation: 半导体结构包括鳍状结构和栅极。 鳍状结构位于基板中，其中鳍状结构具有位于空部分正下方的通孔。 门围绕着空的部分。 此外，本发明还提供一种半导体工艺，包括用于形成所述半导体结构的以下步骤。 提供基板。 在基板上形成翅片状结构，其中，翅片状结构具有底部和顶部。 底部的一部分被去除以在相应的顶部形成空的部分，从而在通孔上形成空的部分。 形成围绕空闲部分的门。

公开(公告)号：US20140242811A1

公开(公告)日：2014-08-28

申请号：US13778147

申请日：2013-02-27

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Jui-Chen Chang ,  Chen-Kuo Chiang ,  Chin-Fu Lin ,  Chih-Chien Liu

IPC: H01L21/02

CPC classification number: H01L21/0228 ,  H01L21/02181 ,  H01L21/02189 ,  H01L21/02312 ,  H01L21/02337 ,  H01L21/02359 ,  H01L21/28194 ,  H01L29/517

Abstract: An ALD method includes providing a substrate in an ALD reactor, performing a pre-ALD treatment to the substrate in the ALD reactor, and performing one or more ALD cycles to form a dielectric layer on the substrate in the ALD reactor. The pre-ALD treatment includes providing a hydroxylating agent to the substrate in a first duration, and providing a precursor to the substrate in a second duration. Each of the ALD cycles includes providing the hydroxylating agent to the substrate in a third duration, and providing the precursor to the substrate in a fourth duration. The first duration is longer than the third duration.

Abstract translation: ALD方法包括在ALD反应器中提供衬底，对ALD反应器中的衬底进行预ALD处理，以及执行一个或多个ALD循环以在ALD反应器中的衬底上形成电介质层。 前ALD治疗包括在第一持续时间内向基质提供羟化剂，并在第二持续时间内向基质提供前体。 每个ALD循环包括在第三个持续时间内向基质提供羟基化试剂，并在第四个持续时间内向基质提供前体。 第一个时间长于第三个持续时间。