公开(公告)号：WO2013080482A1

公开(公告)日：2013-06-06

申请号：PCT/JP2012/007416

申请日：2012-11-19

Applicant: SONY CORPORATION

Inventor： HIGO, Yutaka ,  HOSOMI, Masanori ,  OHMORI, Hiroyuki ,  BESSHO, Kazuhiro ,  ASAYAMA, Tetsuya ,  YAMANE, Kazutaka ,  UCHIDA, Hiroyuki

IPC: H01F10/32 ,  G11C11/16

CPC classification number: G11C11/161 ,  G11C11/1659 ,  G11C11/1675 ,  G11C11/5607 ,  H01F10/3254 ,  H01F10/3272 ,  H01F10/3286 ,  H01F10/329 ,  H01L43/02 ,  H01L43/08

Abstract: A storage element includes a magnetization fixed layer, and a magnetization free layer. The magnetization fixed layer includes a plurality of ferromagnetic layers laminated together with a coupling layer formed between each pair of adjacent ferromagnetic layers. The magnetization directions of the ferromagnetic layers are inclined with respect to a magnetization direction of the magnetization fixed layer.

Abstract translation: 存储元件包括磁化固定层和无磁化层。 磁化固定层包括与在每对相邻的铁磁层之间形成的耦合层层压在一起的多个铁磁层。 铁磁层的磁化方向相对于磁化固定层的磁化方向倾斜。

公开(公告)号：WO2017183354A1

公开(公告)日：2017-10-26

申请号：PCT/JP2017/009571

申请日：2017-03-09

Applicant: SONY CORPORATION

Inventor： OHMORI, Hiroyuki ,  HOSOMI, Masanori ,  BESSHO, Kazuhiro ,  HIGO, Yutaka ,  UCHIDA, Hiroyuki

IPC: H01L43/08 ,  H01L43/02 ,  H01L43/10

CPC classification number: G11C11/161 ,  G11C11/1675 ,  H01L27/222 ,  H01L43/02 ,  H01L43/08 ,  H01L43/10

Abstract: A magnetic storage element includes a first magnetic layer having a magnetization easy axis in a direction perpendicular to a surface of the first magnetic layer. A first non-magnetic layer is on the first magnetic layer. A second magnetic layer is on the first non-magnetic layer and has a fixed magnetization direction. A second non-magnetic layer is on the second magnetic layer. A third magnetic layer is on the second non-magnetic layer and has a fixed magnetization direction perpendicular to a surface of the third magnetic layer. A third non-magnetic layer is on the third magnetic layer. A storage layer on the third non-magnetic layer and having a variable magnetization direction with a magnetization easy axis in a direction perpendicular to a surface of the storage layer. Change in a magnetization direction of the first magnetic layer is easier than in the storage layer.

Abstract translation: 磁存储元件包括在垂直于第一磁性层的表面的方向上具有易磁化轴的第一磁性层。 第一非磁性层位于第一磁性层上。 第二磁性层位于第一非磁性层上并具有固定的磁化方向。 第二非磁性层位于第二磁性层上。 第三磁性层位于第二非磁性层上并具有垂直于第三磁性层表面的固定磁化方向。 第三非磁性层位于第三磁性层上。 在第三非磁性层上的存储层，其具有可变磁化方向，易磁化轴在垂直于存储层表面的方向上。 第一磁层的磁化方向的改变比存储层中的更容易。

公开(公告)号：WO2015064049A1

公开(公告)日：2015-05-07

申请号：PCT/JP2014/005318

申请日：2014-10-20

Applicant: SONY CORPORATION

Inventor： YAMANE, Kazutaka ,  HOSOMI, Masanori ,  OHMORI, Hiroyuki ,  BESSHO, Kazuhiro ,  HIGO, Yutaka ,  UCHIDA, Hiroyuki

IPC: G11C11/16 ,  H01F10/16 ,  H01F10/32

CPC classification number: H01L43/02 ,  G11C11/161 ,  G11C11/1675 ,  H01F10/123 ,  H01F10/3272 ,  H01F10/3286 ,  H01F10/329 ,  H01L27/228 ,  H01L43/08 ,  H01L43/10

Abstract: A storage element having a layered structure and being configured for storing information is disclosed. In one example, the storage element comprises a storage portion with a storage magnetization that is perpendicular to a film surface of the layered structure, wherein a direction of the storage magnetization is configured to change according to the information. The storage element also includes a fixed magnetization portion with reference magnetization serving as a reference to the storage magnetization, and an intermediate portion between the storage portion and the fixed magnetization portion that is made of a non-magnetic material. The fixed magnetization portion includes a laminated ferrimagnetic structure that comprises a first ferromagnetic layer, a second ferromagnetic layer, and a non-magnetic layer. The fixed magnetization portion includes a first magnetic material that is an alloy or a laminated structure including Pt, Co, and Y. Storage devices including the storage element are also disclosed.

Abstract translation: 公开了一种具有分层结构并被配置用于存储信息的存储元件。 在一个示例中，存储元件包括具有垂直于分层结构的膜表面的存储磁化的存储部分，其中存储磁化的方向被配置为根据该信息而改变。 存储元件还包括具有参考磁化的固定磁化部分作为对存储磁化的参考，以及由非磁性材料制成的存储部分和固定磁化部分之间的中间部分。 固定磁化部分包括层叠的铁磁结构，其包括第一铁磁层，第二铁磁层和非磁性层。 固定磁化部分包括作为合金的第一磁性材料或包括Pt，Co和Y的层压结构。还公开了包括存储元件的存储装置。

公开(公告)号：WO2014049935A1

公开(公告)日：2014-04-03

申请号：PCT/JP2013/004806

申请日：2013-08-09

Applicant: SONY CORPORATION

Inventor： YAMANE, Kazutaka ,  HOSOMI, Masanori ,  OHMORI, Hiroyuki ,  BESSHO, Kazuhiro ,  HIGO, Yutaka ,  ASAYAMA, Tetsuya ,  UCHIDA, Hiroyuki

IPC: H01L43/08 ,  G11C11/16 ,  B82Y25/00

CPC classification number: G11B5/3146 ,  B82Y25/00 ,  G11B5/1278 ,  G11B5/3906 ,  G11B5/3909 ,  G11C11/161 ,  H01F10/123 ,  H01F10/3272 ,  H01F10/3286 ,  H01F10/329 ,  H01L23/528 ,  H01L27/222 ,  H01L27/228 ,  H01L43/02 ,  H01L43/08 ,  H01L43/10

Abstract: There is provided a storage element including a layered construction including a storage layer that has magnetization perpendicular to a surface of the storage layer and whose direction of magnetization is changed corresponding to information, a pinned magnetization layer that has magnetization perpendicular to a surface of the pinned magnetization layer and serves as a standard for information stored in the storage layer, and an insulating layer that is composed of a non-magnetic material and is provided between the storage layer and the pinned magnetization layer.

Abstract translation: 提供了一种存储元件，其包括层叠结构，其包括存储层，该存储层具有垂直于存储层的表面的磁化强度并且其信号方向根据信息而改变;存储磁化层，其具有垂直于被固定的表面的磁化 并且用作存储在存储层中的信息的标准，以及由非磁性材料构成并设置在存储层和被钉扎磁化层之间的绝缘层。

公开(公告)号：WO2013128814A1

公开(公告)日：2013-09-06

申请号：PCT/JP2013/000761

申请日：2013-02-13

Applicant: SONY CORPORATION

Inventor： HIGO, Yutaka ,  HOSOMI, Masanori ,  OHMORI, Hiroyuki ,  BESSHO, Kazuhiro ,  ASAYAMA, Tetsuya ,  YAMANE, Kazutaka ,  UCHIDA, Hiroyuki

IPC: G11C7/10 ,  G11C11/56

CPC classification number: G06F3/0661 ,  G06F3/0614 ,  G06F3/0688 ,  G06F12/0246 ,  G06F2003/0695 ,  G06F2212/7208 ,  G11C7/1006 ,  G11C11/56 ,  G11C11/5628 ,  G11C11/5642 ,  G11C2211/5647

Abstract: A memory comprising a memory array unit including a plurality of data units, and a controller. The controller is configured to receive data; convert the data into converted data using a conversion rule for converting a data piece into another data piece, wherein the conversion rule is selected based on the data received and independent of current data written in a data unit; and write the converted data and a conversion rule identifier corresponding to the conversion rule into the data unit.

Abstract translation: 一种存储器，包括包括多个数据单元的存储器阵列单元和控制器。 控制器配置为接收数据; 使用用于将数据片段转换为另一数据片段的转换规则将数据转换为转换数据，其中基于所接收的数据并且独立于写入数据单元中的当前数据来选择转换规则; 并将转换的数据和与转换规则相对应的转换规则标识写入数据单元。