公开(公告)号：US20180308923A1

公开(公告)日：2018-10-25

申请号：US15927103

申请日：2018-03-21

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

Inventor： Tzu-Chin Wu ,  Wei-Hsin Liu ,  Yi-Wei Chen ,  Chia-Lung Chang ,  Jui-Min Lee ,  Po-Chun Chen ,  Li-Wei Feng ,  Ying-Chiao Wang ,  Wen-Chieh Lu ,  Chien-Ting Ho ,  Tsung-Ying Tsai ,  Kai-Ping Chen

IPC: H01L49/02 ,  H01L27/108 ,  H01L29/94

CPC classification number: H01L28/82 ,  H01L27/10808 ,  H01L27/10855 ,  H01L28/87 ,  H01L29/94

Abstract: A semiconductor memory device includes a semiconductor substrate, a first support layer, a first electrode, a capacitor dielectric layer, and a second electrode. The first support layer is disposed on the semiconductor substrate. The first electrode is disposed on the semiconductor substrate and penetrates the first support layer. The capacitor dielectric layer is disposed on the first electrode. The second electrode is disposed on the semiconductor substrate, and at least a part of the capacitor dielectric layer is disposed between the first electrode and the second electrode. The first support layer includes a carbon doped nitride layer, and a carbon concentration of a bottom portion of the first support layer is higher than a carbon concentration of a top portion of the first support layer.

公开(公告)号：US20180166434A1

公开(公告)日：2018-06-14

申请号：US15891312

申请日：2018-02-07

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Chih-Sen Huang ,  Yi-Wei Chen

IPC: H01L27/02 ,  H01L21/8234 ,  H01L27/088

Abstract: A method for filling patterns includes the steps of: providing a substrate having a cell region defined thereon; forming main patterns on the substrate and within the cell region; and filling first dummy patterns adjacent to the main patterns. Preferably, each of the first dummy patterns comprises a first length along X-direction between 2 μm to 5 μm and a second length along Y-direction between 3 μm to 5 μm.

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：US09953982B1

公开(公告)日：2018-04-24

申请号：US15468084

申请日：2017-03-23

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

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

IPC: H01L27/108 ,  H01L29/06 ,  H01L21/762 ,  H01L21/311 ,  H01L21/28 ,  H01L29/423 ,  H01L21/033

CPC classification number: H01L27/10823 ,  H01L21/28008 ,  H01L21/76224 ,  H01L27/10876 ,  H01L29/0649 ,  H01L29/4236

Abstract: A method for fabricating semiconductor device includes the steps of: forming a shallow trench isolation (STI) in a substrate; removing part of the STI to form a first trench; forming a cap layer in the first trench; forming a mask layer on the cap layer and the substrate; and removing part of the mask layer, part of the cap layer, and part of the STI to form a second trench.

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.

公开(公告)号：US09673100B2

公开(公告)日：2017-06-06

申请号：US14536696

申请日：2014-11-10

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Ching-Wen Hung ,  Chih-Sen Huang ,  Yi-Wei Chen ,  Chien-Ting Lin ,  Shih-Fang Tzou ,  Chia-Lin Lu ,  Chun-Lung Chen ,  Kun-Yuan Liao ,  Feng-Yi Chang ,  Chieh-Te Chen

IPC: H01L21/8234 ,  H01L21/311 ,  H01L29/06 ,  H01L27/088 ,  H01L29/49 ,  H01L21/768

CPC classification number: H01L21/823437 ,  H01L21/31144 ,  H01L21/76816 ,  H01L21/76895 ,  H01L21/76897 ,  H01L21/823431 ,  H01L21/823475 ,  H01L27/088 ,  H01L27/0886 ,  H01L29/0653 ,  H01L29/495 ,  H01L29/4966

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a plurality of gate structures on the substrate; forming a first stop layer on the gate structures; forming a second stop layer on the first stop layer; forming a first dielectric layer on the second stop layer; forming a plurality of first openings in the first dielectric layer to expose the second stop layer; forming a plurality of second openings in the first dielectric layer and the second stop layer to expose the first stop layer; and removing part of the second stop layer and part of the first stop layer to expose the gate structures.

公开(公告)号：US09673053B2

公开(公告)日：2017-06-06

申请号：US14549529

申请日：2014-11-20

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Rung-Yuan Lee ,  Yu-Ting Li ,  Jing-Yin Jhang ,  Chen-Yi Weng ,  Jia-Feng Fang ,  Yi-Wei Chen ,  Wei-Jen Wu ,  Po-Cheng Huang ,  Fu-Shou Tsai ,  Kun-Ju Li ,  Wen-Chin Lin ,  Chih-Chien Liu ,  Chih-Hsun Lin ,  Chun-Yuan Wu

IPC: H01L21/306 ,  H01L21/28

CPC classification number: H01L21/30625 ,  H01L21/28123 ,  H01L21/32115 ,  H01L21/3212

Abstract: A method for fabricating semiconductor device is disclosed. The method includes the steps of: providing a substrate; forming a first material layer on the substrate; forming a stop layer on the first material layer; forming a second material layer on the stop layer; and performing a planarizing process to remove the second material layer, the stop layer, and part of the first material layer for forming a gate layer.

公开(公告)号：US20170098708A1

公开(公告)日：2017-04-06

申请号：US14873214

申请日：2015-10-02

Applicant: United Microelectronics Corp.

Inventor： Wen-Jiun Shen ,  Chia-Jong Liu ,  Chung-Fu Chang ,  Yen-Liang Wu ,  Man-Ling Lu ,  I-Fan Chang ,  Yi-Wei Chen

IPC: H01L29/78 ,  H01L27/088 ,  H01L29/08 ,  H01L29/06 ,  H01L29/165

CPC classification number: H01L29/7848 ,  H01L21/823425 ,  H01L21/823814 ,  H01L27/088 ,  H01L29/0688 ,  H01L29/0847 ,  H01L29/161 ,  H01L29/165 ,  H01L29/6656 ,  H01L29/66636 ,  H01L29/7834

Abstract: A semiconductor device includes a substrate, a gate structure, a sidewall spacer, and an epitaxial layer. The gate structure is disposed on the substrate, and the substrate has at least one recess disposed adjacent to the gate structure. The sidewall spacer is disposed on at least two sides of the gate structure. The sidewall spacer includes a first spacer layer and a second spacer layer, and the first spacer layer is disposed between the gate structure and the second spacer layer. The epitaxial layer is disposed in the recess, and the recess is a circular shaped recess. A distance between an upmost part of the recess and the gate structure is less than a width of the sidewall spacer.

公开(公告)号：US20170062282A1

公开(公告)日：2017-03-02

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: H01L21/8238 ,  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.

Abstract translation: 具有金属栅极的半导体器件的制造方法包括以下步骤。 提供了包括多个隔离结构的基板。 第一nFET器件和第二nFET器件形成在衬底上。 第一nFET器件包括第一栅极沟槽，第二nFET包括第二栅极沟槽。 在第一栅极沟槽中形成第三底部阻挡层，同时在第二栅极沟槽中形成第三p功函数金属层。 第三底部阻挡层和第三p功函数金属层包括相同的材料。 在第一栅极沟槽和第二栅极沟槽中形成n功函数金属层。 第一栅极沟槽中的n功函数金属层直接接触第三底部势垒层，并且第二栅极沟槽中的n功函数金属层直接接触第三p功函数金属层。

公开(公告)号：US20160260613A1

公开(公告)日：2016-09-08

申请号：US15155064

申请日：2016-05-15

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yi-Wei Chen ,  Tsung-Hung Chang ,  I-Ming Tseng

IPC: H01L21/265 ,  H01L21/311 ,  H01L21/8234

CPC classification number: H01L21/26513 ,  H01L21/28052 ,  H01L21/28114 ,  H01L21/31116 ,  H01L21/32155 ,  H01L21/823425 ,  H01L21/823443 ,  H01L21/823456 ,  H01L21/823468 ,  H01L21/823475 ,  H01L29/41766 ,  H01L29/42376 ,  H01L29/665 ,  H01L29/6653 ,  H01L29/6656

Abstract: The present invention provides a semiconductor structure, comprising at least two gate electrodes disposed on a substrate, wherein each gate electrode is mushroom-shaped and respectively has a salicide region on a top of the gate electrode, wherein the width of the salicide region is larger than the width of the gate electrode. A recess is disposed between each gate electrode, wherein the recess has a recess extension disposed under the salicide region. A spacer fills the extension of the recess, wherein the profile of each gate electrode is a tapered surface, and a contact etching stop layer (CESL) covers the gate electrodes.

Abstract translation: 本发明提供一种半导体结构，其包括设置在基板上的至少两个栅电极，其中每个栅电极是蘑菇状的，并且在栅电极的顶部上分别具有自对准硅化物区域，其中自对准区域的宽度较大 比栅电极的宽度大。 在每个栅电极之间设置凹部，其中凹部具有设置在自对准区域下方的凹陷延伸部。 间隔件填充凹部的延伸部，其中每个栅电极的轮廓是锥形表面，并且接触蚀刻停止层（CESL）覆盖栅电极。