公开(公告)号：US12087666B2

公开(公告)日：2024-09-10

申请号：US18077168

申请日：2022-12-07

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chung-Liang Chu ,  Yu-Ruei Chen

IPC: H01L23/48 ,  H01L29/78 ,  H01L21/8234 ,  H01L21/8238

CPC classification number: H01L23/481 ,  H01L29/785 ,  H01L21/823431 ,  H01L21/823475 ,  H01L21/823821 ,  H01L21/823871

Abstract: A semiconductor device includes a substrate, an isolation structure, a first gate structure, a second gate structure, a first slot contact structure, a first gate contact structure, and a second gate contact structure. The substrate includes a first active region and a second active region elongated in a first direction respectively. The first gate structure, the second gate structure, and the first slot contact structure are continuously elongated in a second direction respectively. The first gate contact structure and the second gate contact structure are disposed at two opposite sides of the first slot contact structure in the first direction respectively.

公开(公告)号：US11877520B2

公开(公告)日：2024-01-16

申请号：US18108003

申请日：2023-02-09

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chung-Liang Chu ,  Jian-Cheng Chen ,  Yu-Ping Wang ,  Yu-Ruei Chen

IPC: H01L27/02 ,  H10N50/80 ,  G11C11/16 ,  H10B61/00

CPC classification number: H10N50/80 ,  G11C11/161 ,  H01L27/0207 ,  H10B61/22

Abstract: A semiconductor device includes a substrate having an array region defined thereon, a ring of magnetic tunneling junction (MTJ) region surrounding the array region, a gap between the array region and the ring of MTJ region, and metal interconnect patterns overlapping part of the ring of MTJ region. Preferably, the array region includes a magnetic random access memory (MRAM) region and a logic region and the ring of MTJ region further includes a first MTJ region and a second MTJ region extending along a first direction and a third MTJ region and a fourth MTJ region extending along a second direction.

公开(公告)号：US20230200256A1

公开(公告)日：2023-06-22

申请号：US18108003

申请日：2023-02-09

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chung-Liang Chu ,  Jian-Cheng Chen ,  Yu-Ping Wang ,  Yu-Ruei Chen

IPC: H10N50/80 ,  G11C11/16 ,  H01L27/02 ,  H10B61/00

CPC classification number: H10N50/80 ,  G11C11/161 ,  H01L27/0207 ,  H10B61/22

Abstract: A semiconductor device includes a substrate having an array region defined thereon, a ring of magnetic tunneling junction (MTJ) region surrounding the array region, a gap between the array region and the ring of MTJ region, and metal interconnect patterns overlapping part of the ring of MTJ region. Preferably, the array region includes a magnetic random access memory (MRAM) region and a logic region and the ring of MTJ region further includes a first MTJ region and a second MTJ region extending along a first direction and a third MTJ region and a fourth MTJ region extending along a second direction.

公开(公告)号：US20220029087A1

公开(公告)日：2022-01-27

申请号：US16997922

申请日：2020-08-19

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Yu-Chun Chen ,  Yen-Chun Liu ,  Ya-Sheng Feng ,  Chiu-Jung Chiu ,  I-Ming Tseng ,  Yi-An Shih ,  Yi-Hui Lee ,  Chung-Liang Chu ,  Hsiu-Hao Hu

IPC: H01L43/02 ,  H01L27/22 ,  H01L43/12

Abstract: A semiconductor device includes a substrate having a magnetic random access memory (MRAM) region and a logic region, a first metal interconnection on the MRAM region, a second metal interconnection on the logic region, a stop layer extending from the first metal interconnection to the second metal interconnection, and a magnetic tunneling junction (MTJ) on the first metal interconnection. Preferably, the stop layer on the first metal interconnection and the stop layer on the second metal interconnection have different thicknesses.

公开(公告)号：US10714466B1

公开(公告)日：2020-07-14

申请号：US16255786

申请日：2019-01-23

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chung-Liang Chu ,  Chih-Hsien Tang ,  Yu-Ruei Chen ,  Ya-Huei Tsai ,  Rai-Min Huang ,  Chueh-Fei Tai

IPC: H01L27/22 ,  H01L27/02 ,  G03F1/36 ,  H01L43/12 ,  H01L43/02

Abstract: A layout pattern for magnetoresistive random access memory (MRAM) includes: a first magnetic tunneling junction (MTJ) pattern on a substrate; a second MTJ pattern adjacent to the first MTJ pattern; and a first metal interconnection pattern between the first MTJ pattern and the second MTJ pattern, wherein the first MTJ pattern, the first metal interconnection pattern, and the second MTJ pattern comprise a staggered arrangement.

公开(公告)号：US20190378971A1

公开(公告)日：2019-12-12

申请号：US16029641

申请日：2018-07-08

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chung-Liang Chu ,  Jian-Cheng Chen ,  Yu-Ping Wang ,  Yu-Ruei Chen

IPC: H01L43/02 ,  H01L27/22 ,  H01L27/02 ,  G11C11/16

Abstract: A semiconductor device includes a substrate having an array region defined thereon, a ring of magnetic tunneling junction (MTJ) region surrounding the array region, a gap between the array region and the ring of MTJ region, and metal interconnect patterns overlapping part of the ring of MTJ region. Preferably, the ring of MTJ region further includes a first MTJ region and a second MTJ region extending along a first direction and a third MTJ region and a fourth MTJ region extending along a second direction.

公开(公告)号：US10355048B1

公开(公告)日：2019-07-16

申请号：US15920008

申请日：2018-03-13

Applicant: United Microelectronics Corp.

Inventor： Chung-Liang Chu ,  Yu-Ruei Chen ,  Hung-Yueh Chen ,  Yu-Ping Wang

IPC: H01L27/22 ,  H01L21/76 ,  H01L29/78 ,  G11C11/16 ,  H01L29/06 ,  H01L21/762 ,  H01L43/12 ,  H01L43/02 ,  H01L21/3205 ,  H01F10/32 ,  H01L43/08

Abstract: An isolation structure is disposed between fin field effect transistors of a magnetic random access memory (MRAM) device. The isolation structure includes a fin line substrate, having a trench crossing the fin line substrate. An oxide layer is disposed on the fin line substrate other than the trench. A liner layer is disposed on an indent surface of the trench. A nitride layer is disposed on the liner layer, partially filling the trench. An oxide residue is disposed on the nitride layer within the trench at a bottom portion of the trench. A gate-like structure is disposed on the oxide layer and also fully filling the trench.

公开(公告)号：US12063871B2

公开(公告)日：2024-08-13

申请号：US18230189

申请日：2023-08-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chiu-Jung Chiu ,  Ya-Sheng Feng ,  I-Ming Tseng ,  Yi-An Shih ,  Yu-Chun Chen ,  Yi-Hui Lee ,  Chung-Liang Chu ,  Hsiu-Hao Hu

IPC: H10N50/80 ,  H10B61/00 ,  H10N50/01 ,  H10N50/85

CPC classification number: H10N50/80 ,  H10B61/00 ,  H10N50/01 ,  H10N50/85

Abstract: A method for fabricating semiconductor device includes the steps of forming an inter-metal dielectric (IMD) layer on a substrate, forming a trench in the IMD layer, forming a synthetic antiferromagnetic (SAF) layer in the trench, forming a metal layer on the SAF layer, planarizing the metal layer and the SAF layer to form a metal interconnection, and forming a magnetic tunneling junction (MTJ) on the metal interconnection.

公开(公告)号：US20240107895A1

公开(公告)日：2024-03-28

申请号：US18528707

申请日：2023-12-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chung-Liang Chu ,  Jian-Cheng Chen ,  Yu-Ping Wang ,  Yu-Ruei Chen

IPC: H10N50/80 ,  G11C11/16 ,  H01L27/02 ,  H10B61/00

CPC classification number: H10N50/80 ,  G11C11/161 ,  H01L27/0207 ,  H10B61/22

Abstract: A semiconductor device includes a substrate having an array region defined thereon, a ring of magnetic tunneling junction (MTJ) region surrounding the array region, a gap between the array region and the ring of MTJ region, and metal interconnect patterns overlapping part of the ring of MTJ region. Preferably, the array region includes a magnetic random access memory (MRAM) region and a logic region and the ring of MTJ region further includes a first MTJ region and a second MTJ region extending along a first direction and a third MTJ region and a fourth MTJ region extending along a second direction.

公开(公告)号：US20230380296A1

公开(公告)日：2023-11-23

申请号：US18230189

申请日：2023-08-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chiu-Jung Chiu ,  Ya-Sheng Feng ,  I-Ming Tseng ,  Yi-An Shih ,  Yu-Chun Chen ,  Yi-Hui Lee ,  Chung-Liang Chu ,  Hsiu-Hao Hu

IPC: H10N50/80 ,  H10B61/00 ,  H10N50/01 ,  H10N50/85

CPC classification number: H10N50/80 ,  H10B61/00 ,  H10N50/01 ,  H10N50/85

Abstract: A method for fabricating semiconductor device includes the steps of forming an inter-metal dielectric (IMD) layer on a substrate, forming a trench in the IMD layer, forming a synthetic antiferromagnetic (SAF) layer in the trench, forming a metal layer on the SAF layer, planarizing the metal layer and the SAF layer to form a metal interconnection, and forming a magnetic tunneling junction (MTJ) on the metal interconnection.