公开(公告)号：US11493571B2

公开(公告)日：2022-11-08

申请号：US17395623

申请日：2021-08-06

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hitoshi Iwasaki ,  Satoshi Shirotori ,  Akira Kikitsu ,  Yoshihiro Higashi

IPC: G11C11/16 ,  G01R33/09 ,  G01R15/20 ,  A61B5/245

Abstract: According to one embodiment of the invention, a magnetic sensor includes a first element part. The first element part includes a first magnetic element, first and s second structures, a first magnetic member, and a second magnetic member. A direction from the first magnetic layer toward the first counter magnetic layer is along a first direction. The first structure includes a first side magnetic layer. The second structure includes a second side magnetic layer. The first magnetic element is between the first structure and the second structure in a second direction crossing the first direction. The first magnetic element is separated from the first side magnetic layer and the second side magnetic layer. A direction from the first side magnetic layer toward the first magnetic member is along the first direction. A direction from the second side magnetic layer toward the second magnetic member is along the first direction.

公开(公告)号：US11280853B2

公开(公告)日：2022-03-22

申请号：US16814060

申请日：2020-03-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Satoshi Shirotori ,  Kenichiro Yamada ,  Yoshihiko Fuji ,  Yoshihiro Higashi ,  Akira Kikitsu

IPC: G01R33/04 ,  G01R33/00 ,  H01F10/32

Abstract: According to one embodiment, a magnetic sensor includes a first element, a first wire, and a first magnetic part. The first element includes a first magnetic layer, a first counter magnetic layer, and a first nonmagnetic layer provided between the first magnetic layer and the first counter magnetic layer. A direction from the first counter magnetic layer toward the first magnetic layer is along a first direction. The first wire extends in a second direction crossing the first direction. The first magnetic part includes a first region and a first counter region. At least a portion of the first wire is between the first region and the first counter region in the first direction.

公开(公告)号：US20210286029A1

公开(公告)日：2021-09-16

申请号：US17017431

申请日：2020-09-10

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Yoshihiro Higashi ,  Akira Kikitsu ,  Satoshi Shirotori ,  Hitoshi Iwasaki ,  Yoshinari Kurosaki

IPC: G01R33/09

Abstract: According to one embodiment, a magnetic sensor includes a first conductive part circuit, an alternating current circuit part, a first direct current circuit part, and a first element. The first conductive part circuit includes a first conductive part including a first conductive part end portion and a first conductive part other-end portion, and a first alternating current transfer element electrically connected in series with the first conductive part. The first conductive part circuit includes a first circuit end portion and a first circuit other-end portion. The alternating current circuit part is configured to apply an alternating current voltage between the first circuit end portion and the first circuit other-end portion. The first direct current circuit part is configured to apply a first direct current voltage to the first conductive part end portion and the first conductive part other-end portion. The first element includes a first magnetic layer.

公开(公告)号：US11049818B2

公开(公告)日：2021-06-29

申请号：US16564008

申请日：2019-09-09

Applicant: KABUSHIKI KAISHA TOSHIBA ,  SHIBAURA MECHATRONICS CORPORATION

Inventor： Akira Kikitsu ,  Yoshinari Kurosaki ,  Kenichiro Yamada ,  Shigeki Matsunaka

IPC: H01L23/552 ,  H01L43/02

Abstract: According to one embodiment, an electromagnetic wave attenuator includes a multilayer member, and a magnetic member. The multilayer member includes a plurality of magnetic layers and a plurality of nonmagnetic layers. The plurality of nonmagnetic layers is conductive. A direction from one of the plurality of magnetic layers toward an other one of the plurality of magnetic layers is aligned with a first direction from the multilayer member toward the magnetic member. One of the plurality of nonmagnetic layers is between the one of the plurality of magnetic layers and the other one of the plurality of magnetic layers. A thickness along the first direction of the magnetic member is not less than ½ of a thickness along the first direction of the multilayer member.

公开(公告)号：US20190369172A1

公开(公告)日：2019-12-05

申请号：US16276666

申请日：2019-02-15

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Akira Kikitsu ,  Satoshi Shirotori ,  Kenichiro Yamada

IPC: G01R33/09 ,  A61B5/04

Abstract: According to one embodiment, a magnetic sensor includes first and second elements, first and second interconnects, a first circuit portion electrically connected to the first and second interconnects and a second circuit portion electrically connected to the first and second elements. The first circuit portion supplies a first alternating current to the first interconnect and supplies a second alternating current to the second interconnect. The second circuit portion supplies a first element current to the first element and supplies a second element current to the second element. At a first time, the first alternating current has a first alternating current orientation, and the second alternating current has a second alternating current orientation. At a second time, the first alternating current has an opposite orientation to the first alternating current orientation, and the second alternating current has an opposite orientation to the second alternating current orientation.

公开(公告)号：US09922674B2

公开(公告)日：2018-03-20

申请号：US14736759

申请日：2015-06-11

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Akira Kikitsu ,  Tomoyuki Maeda ,  Masayuki Takagishi ,  Kenichiro Yamada

IPC: G11B5/82 ,  G11B5/74 ,  G11B20/12 ,  G11B5/00

CPC classification number: G11B5/746 ,  G11B5/743 ,  G11B5/82 ,  G11B20/1217 ,  G11B2005/0021 ,  G11B2005/0024 ,  G11B2220/235

Abstract: A magnetic recording and reproducing device according to an embodiment includes a magnetic recording medium and a controller. The magnetic recording medium includes in sequence a substrate, a storage layer, an exchange layer, and a surface recording layer. The controller executes following steps (1) to (6): (1) magnetically recording first information on the surface recording layer; (2) transferring the first information recorded on the surface recording layer to the storage layer; (3) magnetically recording second information on the surface recording layer; (4) magnetically reproducing the second information from the surface recording layer; (5) transferring the first information recorded on the storage layer to the surface recording layer; and (6) magnetically reproducing the first information transferred to the surface recording layer.

公开(公告)号：US09142759B2

公开(公告)日：2015-09-22

申请号：US14310152

申请日：2014-06-20

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hirofumi Morise ,  Hideaki Fukuzawa ,  Akira Kikitsu ,  Yoshiaki Fukuzumi

IPC: G11C11/15 ,  H01L43/08 ,  G11C11/16 ,  H01L27/22 ,  H01L41/09 ,  H01L41/12 ,  H01L43/10 ,  H01F10/32

CPC classification number: H01L43/08 ,  G11C11/16 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  G11C11/1693 ,  H01F10/3236 ,  H01F10/325 ,  H01F10/3254 ,  H01F10/3286 ,  H01F10/3295 ,  H01L27/228 ,  H01L41/0986 ,  H01L41/12 ,  H01L43/10

Abstract: A magnetic memory device comprises a first electrode, a second electrode, a laminated structure comprising plural first magnetic layers being provided between the first electrode and the second electrode, a second magnetic layer comprising different composition elements from that of the first magnetic layer and being provided between plural first magnetic layers, a piezoelectric body provided on a opposite side to a side where the first electrode is provided in the laminated structure, and a third electrode applying voltage to the piezoelectric body and provided on a different position from a position where the first electrode is provided in the piezoelectric body.

Abstract translation: 磁存储器件包括第一电极，第二电极，层叠结构，其包括设置在第一电极和第二电极之间的多个第一磁性层，第二磁性层包括与第一磁性层不同的组成元素， 在多个第一磁性层之间，在层压结构中设置在与设置有第一电极的一侧相反的一侧的压电体，以及将第三电极向压电体施加电压，并且设置在与第一电极的位置不同的位置， 电极设置在压电体中。

公开(公告)号：US08974682B2

公开(公告)日：2015-03-10

申请号：US13930262

申请日：2013-06-28

Applicant: Kabushiki Kaisha Toshiba

Inventor： Hiroyuki Hieda ,  Yoshiyuki Kamata ,  Naoko Kihara ,  Akira Kikitsu ,  Ryosuke Yamamoto

IPC: B44C1/22 ,  G03F7/34

CPC classification number: G03F7/343 ,  G03F7/0002

Abstract: A self-assembled pattern forming method in an embodiment includes: forming a guide pattern on a substrate; forming a layer of a first polymer; filling a first block copolymer; and phase-separating the first block copolymer. The guide pattern includes a first recessed part having a depth T and a diameter D smaller than the depth T, and a second recessed part having a width larger than double of the diameter D. The first block copolymer has the first polymer and a second polymer which are substantially the same in volume fraction. By phase-separating the first block copolymer, a cylinder structure and a lamellar structure are obtained.

Abstract translation: 实施方式中的自组装图案形成方法包括：在基板上形成引导图案; 形成第一聚合物层; 填充第一嵌段共聚物; 并分相第一嵌段共聚物。 引导图案包括具有深度T和直径D小于深度T的第一凹陷部分，以及具有大于直径D的两倍的宽度的第二凹陷部分。第一嵌段共聚物具有第一聚合物和第二聚合物 其体积分数基本相同。 通过相分离第一嵌段共聚物，获得圆筒结构和层状结构。

公开(公告)号：US11815570B2

公开(公告)日：2023-11-14

申请号：US17019652

申请日：2020-09-14

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Hitoshi Iwasaki ,  Akira Kikitsu ,  Yoshihiro Higashi ,  Satoshi Shirotori

IPC: G01R33/09

CPC classification number: G01R33/093 ,  G01R33/098

Abstract: According to one embodiment, a magnetic sensor includes a first magnetic part, a first magnetic member, a second magnetic part, a second magnetic member, a first element, a second element, a third element, a fourth element, and a first interconnect. The first magnetic part includes first, second, and third portions. The first portion is between the second and third portions. The second magnetic part includes fourth, fifth, and sixth portions. The fourth portion is between the fifth and sixth portions. The first element includes a first magnetic layer. The second element includes a second magnetic layer. The third element includes a third magnetic layer. The fourth element includes a fourth magnetic layer. The first interconnect includes first and second interconnect portions.

公开(公告)号：US11789096B2

公开(公告)日：2023-10-17

申请号：US17875044

申请日：2022-07-27

Applicant: KABUSHIKI KAISHA TOSHIBA

Inventor： Akira Kikitsu ,  Yoshihiro Higashi ,  Satoshi Shirotori

IPC: G01R33/09 ,  H01F7/02

CPC classification number: G01R33/09 ,  H01F7/02

Abstract: According to one embodiment, a sensor includes a first element. The first element includes first and second magnetic members, an insulating member, first and second wirings, a first magnetic element, and a first conductive member. The second magnetic member is separated from the first magnetic member. The insulating member includes a first insulating region. The first insulating region is provided between the first and second magnetic members. The first wiring includes a first connecting region. The second wiring includes a second connecting region. The first magnetic element includes a first magnetic layer and a first opposed magnetic layer. The first magnetic element includes first to fifth partial regions. The first partial region is between the fourth and fifth partial regions. The second partial region is between the fourth and first partial region. The third partial region is between the first and fifth partial regions.