公开(公告)号：US20180315759A1

公开(公告)日：2018-11-01

申请号：US15920468

申请日：2018-03-14

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

Inventor： Chia-Liang Liao ,  Feng-Yi Chang ,  Fu-Che Lee ,  Chieh-Te Chen ,  Yi-Wang Zhan

IPC: H01L27/108 ,  H01L21/768 ,  H01L21/311 ,  H01L23/532 ,  H01L23/535

Abstract: A method for fabricating semiconductor device includes the steps of: providing a material layer having a contact pad therein; forming a dielectric layer on the material layer and the contact pad; forming a doped oxide layer on the dielectric layer; forming an oxide layer on the doped oxide layer; performing a first etching process to remove part of the oxide layer, part of the doped oxide layer, and part of the dielectric layer to form a first contact hole; performing a second etching process to remove part of the doped oxide layer to form a second contact hole; and forming a conductive layer in the second contact hole to form a contact plug.

公开(公告)号：US20180286871A1

公开(公告)日：2018-10-04

申请号：US15925778

申请日：2018-03-20

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

Inventor： Feng-Yi Chang ,  Fu-Che Lee ,  Chieh-Te Chen

IPC: H01L27/108 ,  H01L21/768

CPC classification number: H01L27/10894 ,  H01L21/7682 ,  H01L27/10808 ,  H01L27/10823 ,  H01L27/10852 ,  H01L27/10855 ,  H01L27/10876 ,  H01L27/10885 ,  H01L27/10891 ,  H01L27/10897

Abstract: The present invention provides a semiconductor device and a manufacturing method thereof. The semiconductor device includes a semiconductor substrate with a memory cell region and a peripheral region, a gate line in the peripheral region, an etch-stop layer covering the gate line and the semiconductor substrate, a first insulating layer covering the etch-stop layer, two contact plugs disposed on the semiconductor substrate in the peripheral region, two pads disposed on the contact plugs respectively, and a second insulating layer disposed between the pads. The contact plugs are located at two sides of the gate line respectively, and the contact plugs penetrate through the etch-stop layer and the first insulating layer to contact the semiconductor substrate. The second insulating layer is not in contact with the etch-stop layer.

公开(公告)号：US20180226250A1

公开(公告)日：2018-08-09

申请号：US15876226

申请日：2018-01-22

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

Inventor： Chieh-Te Chen ,  Hsien-Shih Chu ,  Cheng-Yu Wang

IPC: H01L21/033

CPC classification number: H01L21/0335 ,  H01L21/0332 ,  H01L21/0337 ,  H01L21/76224

Abstract: A method of fabricating a mask includes providing a substrate. A first material layer is disposed on the substrate. Then, the first material layer is partly removed. A second trench is formed between the remaining first material layer. The second trench includes a height. Later, a second material layer is formed to conformally fill in the second trench. The second material layer includes a thickness. The thickness of the second material layer equals the height of the second trench. Finally, part of the second material layer is removed, and the remaining second material layer and the remaining first material layer comprise a second mask.

公开(公告)号：US20180197863A1

公开(公告)日：2018-07-12

申请号：US15859763

申请日：2018-01-02

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

Inventor： Chieh-Te Chen ,  Feng-Yi Chang ,  Fu-Che Lee

IPC: H01L27/108 ,  H01L21/311 ,  H01L21/033 ,  H01L49/02 ,  H01L21/027 ,  H01L21/02

CPC classification number: H01L27/1085 ,  H01L21/02164 ,  H01L21/0217 ,  H01L21/0274 ,  H01L21/0332 ,  H01L21/0337 ,  H01L21/31144 ,  H01L27/10817 ,  H01L27/10852 ,  H01L28/87 ,  H01L28/91

Abstract: A method for fabricating a capacitor includes providing a substrate and a first etching stop layer on the substrate; forming a plurality of first spacers on the first etching stop layer; forming an organic layer and a second etching stop layer sequentially on the first spacers, the organic layer covering the first spacers; forming a plurality of second spacers on the second etching stop layer, each second spacer crossing the first spacers; transferring a pattern of the second spacers to the organic layer to form an organic pattern; performing an etching process using the organic pattern and the first spacers as a mask to form an etching stop pattern and remove the second etching stop layer; transferring the etching stop pattern to the substrate to form a plurality of through holes.

公开(公告)号：US20180190657A1

公开(公告)日：2018-07-05

申请号：US15856084

申请日：2017-12-28

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

Inventor： Feng-Yi Chang ,  Fu-Che Lee ,  Yi-Wang Zhan ,  Chieh-Te Chen

IPC: H01L27/108 ,  H01L21/311 ,  H01L21/02 ,  H01L49/02

CPC classification number: H01L27/10814 ,  H01L21/0217 ,  H01L21/02532 ,  H01L21/02592 ,  H01L21/31116 ,  H01L27/10852 ,  H01L27/10855 ,  H01L28/91

Abstract: A capacitor structure includes a semiconductor substrate, a dielectric layer disposed on the semiconductor substrate, a storage node pad disposed in the dielectric layer, and a cylindrical lower electrode including a bottom portion recessed into the dielectric layer and in contact with the storage node pad. The bottom extends to a sidewall of the storage node pad.

公开(公告)号：US20170069528A1

公开(公告)日：2017-03-09

申请号：US14845294

申请日：2015-09-04

Applicant: United Microelectronics Corp.

Inventor： Wei-Hao Huang ,  Chia-Lin Lu ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Chieh-Te Chen ,  Shang-Yuan Tsai

IPC: H01L21/768 ,  H01L21/311

CPC classification number: H01L21/76802 ,  H01L21/0332 ,  H01L21/31111 ,  H01L21/31116 ,  H01L21/31138 ,  H01L21/31144 ,  H01L21/32134 ,  H01L21/76877 ,  H01L21/76897 ,  H01L29/41791 ,  H01L2029/7858

Abstract: The present invention provides a method for forming an opening, including: first, a hard mask material layer is formed on a target layer, next, a tri-layer hard mask is formed on the hard mask material layer, where the tri-layer hard mask includes an bottom organic layer (ODL), a middle silicon-containing hard mask bottom anti-reflection coating (SHB) layer and a top photoresist layer, and an etching process is then performed, to remove parts of the tri-layer hard mask, parts of the hard mask material layer and parts of the target layer in sequence, so as to form at least one opening in the target layer, where during the step for removing parts of the hard mask material layer, a lateral etching rate of the hard mask material layer is smaller than a lateral etching rate of the ODL.

Abstract translation: 本发明提供一种形成开口的方法，包括：首先在目标层上形成硬掩模材料层，接着在硬掩模材料层上形成三层硬掩模，其中三层硬 掩模包括底部有机层（ODL），中间含硅硬掩模底部防反射涂层（SHB）层和顶部光致抗蚀剂层，然后进行蚀刻工艺以除去三层硬掩模的部分 ，硬掩模材料层的一部分和目标层的一部分，以便在目标层中形成至少一个开口，其中在用于去除硬掩模材料层的部分的步骤期间，侧面蚀刻速率为 硬掩模材料层小于ODL的横向蚀刻速率。

公开(公告)号：US09583388B2

公开(公告)日：2017-02-28

申请号：US14591936

申请日：2015-01-08

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chia-Lin Lu ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Chieh-Te Chen

IPC: H01L21/00 ,  H01L21/768 ,  H01L23/485

CPC classification number: H01L21/76895 ,  H01L21/76805 ,  H01L21/76885 ,  H01L21/76897 ,  H01L23/485 ,  H01L23/53295 ,  H01L23/535 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having a gate structure thereon and an interlayer dielectric (ILD) layer surrounding the gate structure; forming a sacrificial layer on the gate structure; forming a first contact plug in the sacrificial layer and the ILD layer; removing the sacrificial layer; and forming a first dielectric layer on the gate structure and the first contact plug.

Abstract translation: 公开了半导体器件的制造方法。 该方法包括以下步骤：提供其上具有栅极结构的衬底和围绕栅极结构的层间电介质（ILD）层; 在栅极结构上形成牺牲层; 在牺牲层和ILD层中形成第一接触塞; 去除牺牲层; 以及在所述栅极结构和所述第一接触插塞上形成第一电介质层。

公开(公告)号：US20160322468A1

公开(公告)日：2016-11-03

申请号：US14723467

申请日：2015-05-28

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chia-Lin Lu ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Chieh-Te Chen ,  Wei-Hao Huang

IPC: H01L29/423 ,  H01L29/51 ,  H01L23/535

CPC classification number: H01L29/42364 ,  H01L21/76831 ,  H01L21/76895 ,  H01L21/76897 ,  H01L29/51 ,  H01L29/518 ,  H01L29/785

Abstract: A semiconductor device is disclosed. The semiconductor device includes: a substrate; a gate structure on the substrate; an interlayer dielectric (ILD) around the gate structure; a first contact plug in the ILD layer; a second dielectric layer on the ILD layer; a second contact plug in the second dielectric layer and electrically connected to the first contact plug; and a spacer between the second contact plug and the second dielectric layer.

Abstract translation: 公开了一种半导体器件。 半导体器件包括：衬底; 基板上的栅极结构; 围绕栅极结构的层间电介质（ILD）; ILD层中的第一接触插塞; ILD层上的第二介电层; 第二接触插塞在第二电介质层中并电连接到第一接触插塞; 以及在第二接触插塞和第二电介质层之间的间隔物。

公开(公告)号：US20160163532A1

公开(公告)日：2016-06-09

申请号：US14562768

申请日：2014-12-07

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chia-Lin Lu ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  En-Chiuan Liou ,  Chieh-Te Chen

IPC: H01L21/02 ,  H01L21/033 ,  H01L21/027 ,  H01L21/311

CPC classification number: H01L21/0206 ,  H01L21/02186 ,  H01L21/0276 ,  H01L21/0332 ,  H01L21/0337 ,  H01L21/31138 ,  H01L21/31144 ,  H01L21/76816 ,  H01L21/76897

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate having at least a gate structure thereon and an interlayer dielectric (ILD) layer around the gate structure; forming a hard mask on the gate structure and the ILD layer; forming a first patterned mask layer on the hard mask; using the first patterned mask layer to remove part of the hard mask for forming a patterned hard mask; and utilizing a gas to strip the first patterned mask layer while forming a protective layer on the patterned hard mask, wherein the gas is selected from the group consisting of N2 and O2.

Abstract translation: 公开了半导体器件的制造方法。 该方法包括以下步骤：提供其上至少具有栅极结构的衬底和围绕栅极结构的层间电介质（ILD）层; 在栅极结构和ILD层上形成硬掩模; 在硬掩模上形成第一图案化掩模层; 使用第一图案化掩模层去除用于形成图案化硬掩模的硬掩模的一部分; 并且利用气体剥离第一图案化掩模层，同时在图案化的硬掩模上形成保护层，其中气体选自N2和O2。

公开(公告)号：US09023708B2

公开(公告)日：2015-05-05

申请号：US13866456

申请日：2013-04-19

Applicant: United Microelectronics Corp.

Inventor： Li-Chiang Chen ,  Jiunn-Hsiung Liao ,  Hsuan-Hsu Chen ,  Feng-Yi Chang ,  Chieh-Te Chen ,  Shang-Yuan Tsai ,  Ching-Pin Hsu

IPC: H01L21/336 ,  H01L29/423 ,  H01L29/66

CPC classification number: H01L29/42372 ,  H01L21/28088 ,  H01L21/32134 ,  H01L21/32135 ,  H01L21/823828 ,  H01L29/517 ,  H01L29/518 ,  H01L29/66545 ,  H01L29/66628 ,  H01L29/66636 ,  H01L29/7848

Abstract: A method of forming a semiconductor device is provided. At least one gate structure including a dummy gate is formed on a substrate. A contact etch stop layer and a dielectric layer are formed to cover the gate structure. A portion of the contact etch stop layer and a portion of the dielectric layer are removed to expose the top of the gate structure. A dry etching process is performed to remove a portion of the dummy gate of the gate structure. A hydrogenation treatment is performed to the surface of the remaining dummy gate. A wet etching process is performed to remove the remaining dummy gate and thereby form a gate trench.

Abstract translation: 提供一种形成半导体器件的方法。 在基板上形成包括虚拟栅极的至少一个栅极结构。 形成接触蚀刻停止层和电介质层以覆盖栅极结构。 接触蚀刻停止层的一部分和电介质层的一部分被去除以暴露栅极结构的顶部。 执行干蚀刻处理以去除栅极结构的虚拟栅极的一部分。 对剩余的虚拟栅极的表面进行氢化处理。 执行湿蚀刻处理以去除剩余的虚拟栅极，从而形成栅极沟槽。