公开(公告)号：US11818966B2

公开(公告)日：2023-11-14

申请号：US17541280

申请日：2021-12-03

Applicant: United Microelectronics Corp.

Inventor： Yi Yu Lin ,  Po Kai Hsu ,  Chun-Hao Wang ,  Yu-Ru Yang ,  Ju Chun Fan ,  Chung Yi Chiu

IPC: G11C13/00 ,  H10N70/00 ,  H10B63/00

CPC classification number: H10N70/043 ,  H10B63/30 ,  H10N70/061 ,  H10N70/841 ,  H10N70/861

Abstract: Provided are a resistive random access memory and a manufacturing method thereof. The resistive random access memory includes a substrate having a pillar protruding from a surface of the substrate, a gate surrounding a part of a side surface of the pillar, a gate dielectric layer, a first electrode, a second electrode, a variable resistance layer, a first doped region and a second doped region. The gate dielectric layer is disposed between the gate and the pillar. The first electrode is disposed on a top surface of the pillar. The second electrode is disposed on the first electrode. The variable resistance layer is disposed between the first electrode and the second electrode. The first doped region is disposed in the pillar below the gate and in a part of the substrate below the pillar. The second doped region is disposed in the pillar between the gate and the first electrode.

公开(公告)号：US20240365677A1

公开(公告)日：2024-10-31

申请号：US18329588

申请日：2023-06-06

Applicant: United Microelectronics Corp.

Inventor： Jia-Rong Wu ,  Yi-An Shih ,  Hsiu-Hao Hu ,  I-Fan Chang ,  Rai-Min Huang ,  Po Kai Hsu

IPC: H10N50/20 ,  H10B61/00 ,  H10N50/01 ,  H10N50/80

CPC classification number: H10N50/20 ,  H10B61/22 ,  H10N50/01 ,  H10N50/80

Abstract: Provided is a semiconductor device including a substrate, a first interconnection structure, and an MTJ device. The first interconnection structure is disposed on the substrate. The MTJ device is reversely bonded to the first interconnection structure. The MTJ device includes a first electrode layer, a second electrode layer and an MTJ stack structure. The first electrode layer is bonded to the first interconnect structure. The second electrode layer is located above the first electrode layer. The MTJ stack structure is located between the first and second electrode layers. The MTJ stack structure includes a first barrier layer, a free layer and a reference layer. The first barrier layer is located between the first and second electrode layers. The free layer is located between the first barrier layer and the first electrode layer. The reference layer is located between the first barrier layer and the second electrode layer.

公开(公告)号：US20230135098A1

公开(公告)日：2023-05-04

申请号：US17541280

申请日：2021-12-03

Applicant: United Microelectronics Corp.

Inventor： Yi Yu Lin ,  Po Kai Hsu ,  Chun-Hao Wang ,  Yu-Ru Yang ,  Ju Chun Fan ,  Chung Yi Chiu

IPC: H01L45/00 ,  H01L27/24

Abstract: Provided are a resistive random access memory and a manufacturing method thereof. The resistive random access memory includes a substrate having a pillar protruding from a surface of the substrate, a gate surrounding a part of a side surface of the pillar, a gate dielectric layer, a first electrode, a second electrode, a variable resistance layer, a first doped region and a second doped region. The gate dielectric layer is disposed between the gate and the pillar. The first electrode is disposed on a top surface of the pillar. The second electrode is disposed on the first electrode. The variable resistance layer is disposed between the first electrode and the second electrode. The first doped region is disposed in the pillar below the gate and in a part of the substrate below the pillar. The second doped region is disposed in the pillar between the gate and the first electrode.