公开(公告)号：US08391058B2

公开(公告)日：2013-03-05

申请号：US13345600

申请日：2012-01-06

Applicant: Rajiv Yadav Ranjan ,  Parviz Keshtbod ,  Mahmud Assar

Inventor： Rajiv Yadav Ranjan ,  Parviz Keshtbod ,  Mahmud Assar

IPC: G11C11/14

CPC classification number: G06F12/0246 ,  G11C11/15 ,  G11C11/161 ,  G11C11/1659 ,  G11C11/1675 ,  G11C14/00 ,  H01L27/105 ,  H01L27/224

Abstract: A flash-RAM memory includes non-volatile random access memory (RAM) formed on a monolithic die and non-volatile page-mode memory formed on top of the non-volatile RAM, the non-volatile page-mode memory and the non-volatile RAM reside on the monolithic die. The non-volatile RAM is formed of stacks of magnetic memory cells arranged in three-dimensional form for higher density and lower costs.

Abstract translation: 闪存RAM存储器包括形成在单片模块上的非易失性随机存取存储器（RAM）和形成在非易失性RAM，非易失性页面模式存储器和非易失性页面模式存储器之上的非易失性页面模式存储器， 易失性RAM驻留在单片模具上。 非易失性RAM由以三维形式布置的磁存储单元堆叠形成，用于更高密度和更低成本。

公开(公告)号：US08391054B2

公开(公告)日：2013-03-05

申请号：US13235232

申请日：2011-09-16

Applicant: Rajiv Yadav Ranjan ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Rajiv Yadav Ranjan ,  Mahmud Assar ,  Parviz Keshtbod

IPC: G11C11/00

CPC classification number: G11C11/1675 ,  B82Y10/00 ,  G11C11/16 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/5607 ,  G11C2211/5615 ,  H01L27/222 ,  H01L27/228 ,  H01L43/08

Abstract: A multi-state current-switching magnetic memory element includes a stack of magnetic tunneling junction (MTJ) separated by a non-magnetic layer for storing more than one bit of information, wherein different levels of current applied to the memory element cause switching to different states.

Abstract translation: 多状态电流切换磁存储元件包括由用于存储多于一位的信息的非磁性层分开的磁隧道结（MTJ）堆叠，其中施加到存储元件的不同电流电平导致切换到不同的 状态。

公开(公告)号：US20120068236A1

公开(公告)日：2012-03-22

申请号：US13305668

申请日：2011-11-28

Applicant: Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

IPC: H01L29/82 ,  H01L43/12

CPC classification number: H01L27/228 ,  B82Y10/00 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  H01L43/08

Abstract: A non-uniform switching based non-volatile magnetic memory element includes a fixed layer, a barrier layer formed on top of the fixed layer, a first free layer formed on top of the barrier layer, a non-uniform switching layer (NSL) formed on top of the first free layer, and a second free layer formed on top of the non-uniform switching layer. Switching current is applied, in a direction that is substantially perpendicular to the fixed layer, barrier layer, first free layer, non-uniform switching layer and the second free layer causing switching between states of the first free layer, second free layer and non-uniform switching layer with substantially reduced switching current.

公开(公告)号：US08120949B2

公开(公告)日：2012-02-21

申请号：US12182996

申请日：2008-07-30

Applicant: Rajiv Yadav Ranjan ,  Parviz Keshtbod ,  Mahmud Assar

Inventor： Rajiv Yadav Ranjan ,  Parviz Keshtbod ,  Mahmud Assar

IPC: G11C11/14

CPC classification number: G06F12/0246 ,  G11C11/15 ,  G11C11/161 ,  G11C11/1659 ,  G11C11/1675 ,  G11C14/00 ,  H01L27/105 ,  H01L27/224

Abstract: A flash-RAM memory includes non-volatile random access memory (RAM) formed on a monolithic die and non-volatile page-mode memory formed on top of the non-volatile RAM, the non-volatile page-mode memory and the non-volatile RAM reside on the monolithic die.

Abstract translation: 闪存RAM存储器包括形成在单片模块上的非易失性随机存取存储器（RAM）和形成在非易失性RAM，非易失性页面模式存储器和非易失性页面模式存储器之上的非易失性页面模式存储器， 易失性RAM驻留在单片模具上。

公开(公告)号：US06587382B1

公开(公告)日：2003-07-01

申请号：US10175928

申请日：2002-06-19

Applicant: Petro Estakhri ,  Siamack Nemazie ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Petro Estakhri ,  Siamack Nemazie ,  Mahmud Assar ,  Parviz Keshtbod

IPC: G11C1604

CPC classification number: G11C16/102 ,  G06F3/0604 ,  G06F3/0607 ,  G06F3/064 ,  G06F3/0652 ,  G06F3/0679 ,  G06F11/1068 ,  G06F12/0246 ,  G11C8/12 ,  G11C16/08

Abstract: An embodiment of the present invention is disclosed to include a nonvolatile memory system for controlling erase operations performed on a nonvolatile memory array comprised of rows and columns, the nonvolatile memory array stores digital information organized into blocks with each block having one or more sectors of information and each sector having a user data field and an extension field and each sector stored within a row of the memory array. A controller circuit is coupled to a host circuit and is operative to perform erase operations on the nonvolatile memory array, the controller circuit erases an identified sector of information having a particular user data field and a particular extension field wherein the particular user field and the particular extension field are caused to be erased separately.

公开(公告)号：US08440471B2

公开(公告)日：2013-05-14

申请号：US13345608

申请日：2012-01-06

Applicant: Rajiv Yadav Ranjan ,  Parviz Keshtbod ,  Mahmud Assar

Inventor： Rajiv Yadav Ranjan ,  Parviz Keshtbod ,  Mahmud Assar

IPC: H01L21/00 ,  H01L29/82 ,  G01C11/02

CPC classification number: G06F12/0246 ,  G11C11/15 ,  G11C11/161 ,  G11C11/1659 ,  G11C11/1675 ,  G11C14/00 ,  H01L27/105 ,  H01L27/224

Abstract: A method of flash-RAM memory includes non-volatile random access memory (RAM) formed on a monolithic die and non-volatile page-mode memory formed on top of the non-volatile RAM, the non-volatile page-mode memory and the non-volatile RAM reside on the monolithic die. The non-volatile RAM is formed of stacks of magnetic memory cells arranged in three-dimensional form for higher density and lower costs.

Abstract translation: 闪存RAM存储器的方法包括形成在单片模块上的非易失性随机存取存储器（RAM）和形成在非易失性RAM，非易失性页面模式存储器和非易失性页面模式存储器之上的非易失性页面模式存储器 非易失性RAM驻留在单片模具上。 非易失性RAM由以三维形式布置的磁存储单元堆叠形成，用于更高密度和更低成本。

公开(公告)号：US20120069649A1

公开(公告)日：2012-03-22

申请号：US13305646

申请日：2011-11-28

Applicant: Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

IPC: G11C11/14 ,  H01L29/82

CPC classification number: H01L27/228 ,  B82Y10/00 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  H01L43/08

Abstract: A non-uniform switching based non-volatile magnetic memory element includes a fixed layer, a barrier layer formed on top of the fixed layer, a first free layer formed on top of the barrier layer, a non-uniform switching layer (NSL) formed on top of the first free layer, and a second free layer formed on top of the non-uniform switching layer. Switching current is applied, in a direction that is substantially perpendicular to the fixed layer, barrier layer, first free layer, non-uniform switching layer and the second free layer causing switching between states of the first free layer, second free layer and non-uniform switching layer with substantially reduced switching current.

公开(公告)号：US20120069643A1

公开(公告)日：2012-03-22

申请号：US13305677

申请日：2011-11-28

Applicant: Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

IPC: G11C11/00

CPC classification number: H01L27/228 ,  B82Y10/00 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  H01L43/08

Abstract: A non-uniform switching based non-volatile magnetic memory element includes a fixed layer, a barrier layer formed on top of the fixed layer, a first free layer formed on top of the barrier layer, a non-uniform switching layer (NSL) formed on top of the first free layer, and a second free layer formed on top of the non-uniform switching layer. Switching current is applied, in a direction that is substantially perpendicular to the fixed layer, barrier layer, first free layer, non-uniform switching layer and the second free layer causing switching between states of the first free layer, second free layer and non-uniform switching layer with substantially reduced switching current.

Abstract translation: 非均匀开关型非易失性磁存储元件包括固定层，形成在固定层顶部上的阻挡层，形成在阻挡层顶部上的第一自由层，形成非均匀开关层（NSL） 在第一自由层的顶部和形成在不均匀开关层的顶部上的第二自由层。 在基本上垂直于固定层，阻挡层，第一自由层，不均匀的开关层和第二自由层的方向上施加开关电流，导致第一自由层，第二自由层和非自由层的状态之间的切换， 均匀的开关层，开关电流大大降低。

公开(公告)号：US20120003757A1

公开(公告)日：2012-01-05

申请号：US13235232

申请日：2011-09-16

Applicant: Rajiv Yadav Ranjan ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Rajiv Yadav Ranjan ,  Mahmud Assar ,  Parviz Keshtbod

IPC: H01L21/8246

CPC classification number: G11C11/1675 ,  B82Y10/00 ,  G11C11/16 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/5607 ,  G11C2211/5615 ,  H01L27/222 ,  H01L27/228 ,  H01L43/08

Abstract: A multi-state current-switching magnetic memory element includes a stack of magnetic tunneling junction (MTJ) separated by a non-magnetic layer for storing more than one bit of information, wherein different levels of current applied to the memory element cause switching to different states.

Abstract translation: 多状态电流切换磁存储元件包括由用于存储多于一位的信息的非磁性层分开的磁隧道结（MTJ）堆叠，其中施加到存储元件的不同电流电平导致切换到不同的 状态。

公开(公告)号：US08084835B2

公开(公告)日：2011-12-27

申请号：US11674124

申请日：2007-02-12

Applicant: Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

Inventor： Rajiv Yadav Ranjan ,  Petro Estakhri ,  Mahmud Assar ,  Parviz Keshtbod

IPC: H01L29/82 ,  G11C11/00

CPC classification number: H01L27/228 ,  B82Y10/00 ,  G11C11/161 ,  G11C11/1673 ,  G11C11/1675 ,  H01L43/08

Abstract: A non-uniform switching based non-volatile magnetic memory element includes a fixed layer, a barrier layer formed on top of the fixed layer, a first free layer formed on top of the barrier layer, a non-uniform switching layer (NSL) formed on top of the first free layer, and a second free layer formed on top of the non-uniform switching layer. Switching current is applied, in a direction that is substantially perpendicular to the fixed layer, barrier layer, first free layer, non-uniform switching layer and the second free layer causing switching between states of the first free layer, second free layer and non-uniform switching layer with substantially reduced switching current.

Abstract translation: 非均匀开关型非易失性磁存储元件包括固定层，形成在固定层顶部上的阻挡层，形成在阻挡层顶部上的第一自由层，形成非均匀开关层（NSL） 在第一自由层的顶部和形成在不均匀开关层的顶部上的第二自由层。 在基本上垂直于固定层，阻挡层，第一自由层，不均匀的开关层和第二自由层的方向上施加开关电流，导致第一自由层，第二自由层和非自由层的状态之间的切换， 均匀的开关层，开关电流大大降低。