公开(公告)号：US20220336479A1

公开(公告)日：2022-10-20

申请号：US17323863

申请日：2021-05-18

Applicant: United Microelectronics Corp.

Inventor： Kuo-Hsing Lee ,  Chi-Horn Pai ,  Chang Chien Wong ,  Sheng-Yuan Hsueh ,  Ching Hsiang Tseng ,  Shih-Chieh Hsu

IPC: H01L27/112

Abstract: A one-time programmable memory structure including a substrate, a transistor, a capacitor, and an interconnect structure is provided. The transistor is located on the substrate. The capacitor includes a first electrode, a second electrode, and an insulating layer. The first electrode is disposed above the substrate. The second electrode is disposed on the first electrode. The first electrode is located between the second electrode and the substrate. The insulating layer is disposed between the first electrode and the second electrode. The interconnect structure is electrically connected between the transistor and the first electrode of the capacitor. The interconnect structure is electrically connected to the first electrode at a top surface of the first electrode.

公开(公告)号：US11296214B2

公开(公告)日：2022-04-05

申请号：US16525513

申请日：2019-07-29

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsing Lee ,  Yi-Chung Sheng ,  Sheng-Yuan Hsueh ,  Chih-Kai Kang ,  Guan-Kai Huang ,  Chien-Liang Wu

IPC: H01L29/778 ,  H01L29/66

Abstract: A high electron mobility transistor (HEMT) includes a carrier transit layer, a carrier supply layer, a main gate, a control gate, a source electrode and a drain electrode. The carrier transit layer is on a substrate. The carrier supply layer is on the carrier transit layer. The main gate and the control gate are on the carrier supply layer. The source electrode and the drain electrode are at two opposite sides of the main gate and the control gate, wherein the source electrode is electrically connected to the control gate by a metal interconnect. The present invention also provides a method of forming a high electron mobility transistor (HEMT).

公开(公告)号：US10985211B1

公开(公告)日：2021-04-20

申请号：US16699758

申请日：2019-12-02

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsing Lee ,  Sheng-Yuan Hsueh ,  Ting-Hsiang Huang

IPC: H01L27/22 ,  H01L43/12 ,  H01L23/538 ,  H01L29/417

Abstract: An embedded MRAM structure includes a substrate divided into a memory cell region and a logic device region. An active area is disposed in the memory cell region. A word line is disposed on the substrate and crosses the active area. A source plug is disposed in the active area and at one side of the word line. A drain plug is disposed in the in the active area and at another side of the word line. When viewing from a direction perpendicular to the top surface of the substrate and taking the word line as a symmetric axis, the source plug is a mirror image of the drain plug.

公开(公告)号：US20210020769A1

公开(公告)日：2021-01-21

申请号：US16525513

申请日：2019-07-29

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsing Lee ,  Yi-Chung Sheng ,  Sheng-Yuan Hsueh ,  Chih-Kai Kang ,  Guan-Kai Huang ,  Chien-Liang Wu

IPC: H01L29/778 ,  H01L29/66

Abstract: A high electron mobility transistor (HEMT) includes a carrier transit layer, a carrier supply layer, a main gate, a control gate, a source electrode and a drain electrode. The carrier transit layer is on a substrate. The carrier supply layer is on the carrier transit layer. The main gate and the control gate are on the carrier supply layer. The source electrode and the drain electrode are at two opposite sides of the main gate and the control gate, wherein the source electrode is electrically connected to the control gate by a metal interconnect. The present invention also provides a method of forming a high electron mobility transistor (HEMT).

公开(公告)号：US20250048659A1

公开(公告)日：2025-02-06

申请号：US18367468

申请日：2023-09-13

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Chang-Yih Chen ,  Kuo-Hsing Lee ,  Chun-Hsien Lin

IPC: H01L29/66 ,  H01L27/06 ,  H01L29/78 ,  H01L29/94

Abstract: A method for fabricating a semiconductor device includes the steps of first providing a substrate comprising a non-metal-oxide semiconductor capacitor (non-MOSCAP) region and a MOSCAP region, forming a first fin-shaped structure on the MOSCAP region, forming a doped layer on the substrate of the non-MOSCAP region and the first fin-shaped structure on the MOSCAP region, removing the doped layer on the non-MOSCAP region, and then performing an anneal process to drive dopants from the doped layer into the first fin-shaped structure.

公开(公告)号：US20240397689A1

公开(公告)日：2024-11-28

申请号：US18337434

申请日：2023-06-20

Applicant: United Microelectronics Corp.

Inventor： Hsin-Hsien Chen ,  Sheng-Yuan Hsueh ,  Chih-Kai Kang ,  Kuo-Hsing Lee

IPC: H10B10/00

Abstract: A static random access memory (SRAM) includes a first memory cell. The first memory cell includes: a first pull-down transistor, a first pull-up transistor, a second pull-up transistor, and a second pull-down transistor arranged on a first segment of a first fin, a first segment of a second fin, a first segment of a third fin and a first segment of a fourth fin of a substrate, respectively. The first memory cell further includes a first diode and a second diode. The first diode includes a first conductive feature in contact with a top surface and multiple upper sidewalls of a first end of the first segment of the first fin. The second diode includes a second conductive feature in contact with a top surface and multiple upper sidewalls of a second end of the first segment of the fourth fin.

公开(公告)号：US12009415B2

公开(公告)日：2024-06-11

申请号：US18144811

申请日：2023-05-08

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsing Lee ,  Sheng-Yuan Hsueh ,  Chien-Liang Wu ,  Kuo-Yu Liao

IPC: H01L29/778 ,  H01L27/06 ,  H01L29/06 ,  H01L29/20 ,  H01L29/66

CPC classification number: H01L29/778 ,  H01L27/0629 ,  H01L29/0649 ,  H01L29/2003 ,  H01L29/66462

Abstract: A semiconductor device includes a substrate having a high electron mobility transistor (HEMT) region and a capacitor region, a first mesa isolation on the HEMT region, a HEMT on the first mesa isolation, a second mesa isolation on the capacitor region, and a capacitor on the second mesa isolation. The semiconductor device further includes buffer layer between the substrate, the first mesa isolation, and the second mesa isolation, in which bottom surfaces of the first mesa isolation and the second mesa isolation are coplanar.

公开(公告)号：US20240015958A1

公开(公告)日：2024-01-11

申请号：US18470447

申请日：2023-09-20

Applicant: United Microelectronics Corp.

Inventor： Kuo-Hsing Lee ,  Chi-Horn Pai ,  Chang Chien Wong ,  Sheng-Yuan Hsueh ,  Ching Hsiang Tseng ,  Shih-Chieh Hsu

IPC: H10B20/25

CPC classification number: H10B20/25

Abstract: A one-time programmable memory structure comprises: A transistor includes a gate. A capacitor includes a first electrode, a second electrode, and an insulating layer. The second electrode is disposed on the first electrode. A top surface of the first electrode and a top surface of the gate are located on a same plane perpendicular to a direction of the first electrode toward the second electrode. An interconnect structure is electrically connected between the transistor and the first electrode of the capacitor. The interconnect structure is electrically connected to the first electrode at a top surface of the first electrode. A resistor comprises a conductive layer. Top and bottom surfaces of the conductive layer are respectively located on a same plane, perpendicular to the direction of the first electrode toward the second electrode, with the top and bottom surfaces of the gate.

公开(公告)号：US20240006468A1

公开(公告)日：2024-01-04

申请号：US17876467

申请日：2022-07-28

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsing Lee ,  Chun-Hsien Lin ,  Chih-Wei Yang

IPC: H01L49/02 ,  H01C17/22

CPC classification number: H01L28/24 ,  H01C17/22

Abstract: A method for fabricating a resistor structure includes the steps of forming a buffer layer on a substrate, forming a barrier layer on the buffer layer, forming a p-type semiconductor layer on the barrier layer, patterning the p-type semiconductor layer, trimming the barrier layer along a first direction, and then forming an electrode on the barrier layer along a second direction.

公开(公告)号：US11864391B2

公开(公告)日：2024-01-02

申请号：US18088761

申请日：2022-12-26

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsing Lee ,  Sheng-Yuan Hsueh ,  Te-Wei Yeh ,  Chien-Liang Wu

IPC: H10B61/00 ,  G11C7/18 ,  H10N50/80

CPC classification number: H10B61/20 ,  G11C7/18 ,  H10N50/80

Abstract: A magnetoresistive random access memory (MRAM) includes a first transistor and a second transistor on a substrate, a source line coupled to a first source/drain region of the first transistor, and a first metal interconnection coupled to a second source/drain region of the first transistor. Preferably, the first metal interconnection is extended to overlap the first transistor and the second transistor and the first metal interconnection further includes a first end coupled to the second source/drain region of the first transistor and a second end coupled to a magnetic tunneling junction (MTJ).