公开(公告)号：US20220077383A1

公开(公告)日：2022-03-10

申请号：US17196737

申请日：2021-03-09

Applicant: Kioxia Corporation

Inventor： Tsuyoshi KONDO ,  Nobuyuki UMETSU ,  Yasuaki OOTERA ,  Tsutomu NAKANISHI ,  Shigeyuki HIRAYAMA

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

Abstract: A magnetic memory according to an embodiment includes: a first wiring and a second wiring; a nonmagnetic conductor extending in a first direction; a first magnetic member including a first portion electrically connected to the first wiring and a second portion electrically connected to the second wiring, the first magnetic member extending in the first direction from the first portion to the second portion to surround the nonmagnetic conductor; an insulation portion disposed between the nonmagnetic conductor and the first magnetic member; and a controller electrically connected to the nonmagnetic conductor, the first wiring, and the second wiring.

公开(公告)号：US20240099155A1

公开(公告)日：2024-03-21

申请号：US18464350

申请日：2023-09-11

Applicant: Kioxia Corporation

Inventor： Masahiro KOIKE ,  Michael Arnaud QUINSAT ,  Nobuyuki UMETSU ,  Tsutomu NAKANISHI ,  Agung SETIADI ,  Megumi YAKABE ,  Shigeyuki HIRAYAMA ,  Masaki KADO ,  Yasuaki OOTERA ,  Shiho NAKAMURA ,  Susumu HASHIMOTO ,  Tsuyoshi KONDO

IPC: H10N50/80 ,  G11C11/16 ,  H10B61/00 ,  H10N50/10

CPC classification number: H10N50/80 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  H10B61/00 ,  H10N50/10

Abstract: A memory includes: a magnet including a first and second portions adjacent in a first direction. The first portion has a first dimension in a second direction at a first position at which a dimension of the magnet in the second direction is maximum, the second direction perpendicular to the first direction, the second portion has a second dimension in the second direction at a second position at which a dimension of the magnet in the second direction is minimum, the second dimension smaller than the first dimension, the first portion is continuous to the second portion via a third position between the first and second positions, a curve corresponding to an outer of the magnet extends between the first and third positions, and the curve passes through a side closer to the central axis of the magnet than a straight line connecting the first and second positions.

公开(公告)号：US20230093157A1

公开(公告)日：2023-03-23

申请号：US17684331

申请日：2022-03-01

Applicant: KIOXIA CORPORATION

Inventor： Shigeyuki HIRAYAMA ,  Takayuki SASAKI ,  Yukihiro NOMURA ,  Tsunehiro INO

IPC: H01L45/00 ,  H01L27/24

Abstract: A storage device includes a first electrode, a second electrode, and a resistance change storage layer between the first and second electrodes. The storage layer is either in a first resistance state or in a second resistance state having a resistance higher than the first resistance state and contains at least two elements selected from a group consisting of germanium, antimony, and tellurium. The storage device further includes an interface layer between the first electrode and the resistance change storage layer. The interface layer contains at least one of the elements of the resistance change storage layer and includes a conductive region and an insulating region.