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公开(公告)号：US08728825B2
公开(公告)日：2014-05-20
申请号：US13417398
申请日：2012-03-12
Applicant: Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
Inventor： Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
IPC: G01N27/00
CPC classification number: G01R33/0052 , B82Y25/00 , G01N15/0656 , G01N27/745 , G01N2015/0065 , G01R33/05 , G01R33/093 , G01R33/098 , Y10T29/49124 , Y10T29/49986
Abstract: A GMR sensor stripe provides a sensitive mechanism for detecting the presence of magnetized particles bonded to biological molecules that are affixed to a substrate. The adverse effect of hysteresis on the maintenance of a stable bias point for the magnetic moment of the sensor stripe free layer is eliminated by a combination of biasing the sensor stripe along its longitudinal direction rather than the usual transverse direction and by using the overcoat stress and magnetostriction of magnetic layers to create a compensatory transverse magnetic anisotropy. By connecting the stripes in an array and making the spaces between the stripes narrower than the dimension of the magnetized particle and by making the width of the stripes equal to the dimension of the particle, the sensitivity of the sensor array is enhanced.
Abstract translation: GMR传感器条带提供用于检测粘附到固定到基底上的生物分子的磁化颗粒的存在的敏感机制。 通过将传感器条沿其纵向而不是通常的横向方向偏置并通过使用外涂层应力和组合来消除滞后对传感器无条纹层的磁矩的稳定偏置点的维持的不利影响 磁层的磁致伸缩产生补偿横向磁各向异性。 通过将条纹连接在阵列中，使得条纹之间的空间比磁化粒子的尺寸窄，并且通过使条纹的宽度等于粒子的尺寸，增强了传感器阵列的灵敏度。
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公开(公告)号：US08133439B2
公开(公告)日：2012-03-13
申请号：US11497162
申请日：2006-08-01
Applicant: Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
Inventor： Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
IPC: G01N15/06
CPC classification number: G01R33/0052 , B82Y25/00 , G01N15/0656 , G01N27/745 , G01N2015/0065 , G01R33/05 , G01R33/093 , G01R33/098 , Y10T29/49124 , Y10T29/49986
Abstract: A sensor array comprising a series connection of parallel GMR sensor stripes provides a sensitive mechanism for detecting the presence of magnetized particles bonded to biological molecules that are affixed to a substrate. The adverse effect of hysteresis on the maintenance of a stable bias point for the magnetic moment of the sensor free layer is eliminated by a combination of biasing the sensor along its longitudinal direction rather than the usual transverse direction and by using the overcoat stress and magnetostriction of magnetic layers to create a compensatory transverse magnetic anisotropy. By making the spaces between the stripes narrower than the dimension of the magnetized particle and by making the width of the stripes equal to the dimension of the particle, the sensitivity of the sensor array is enhanced.
Abstract translation: 包括并联GMR传感器条的串联连接的传感器阵列提供了用于检测粘附到固定到基底上的生物分子的磁化颗粒的存在的敏感机制。 通过将传感器沿着其纵向方向而不是通常的横向偏置并通过使用传感器的外涂层应力和磁致伸缩的组合来消除滞后对维持传感器自由层的磁矩的稳定偏置点的不利影响 磁性层产生补偿横向磁各向异性。 通过使条纹之间的空间比磁化粒子的尺寸窄，并且通过使条纹的宽度等于粒子的尺寸，传感器阵列的灵敏度增强。
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公开(公告)号：US20120169331A1
公开(公告)日：2012-07-05
申请号：US13417398
申请日：2012-03-12
Applicant: Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
Inventor： Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
CPC classification number: G01R33/0052 , B82Y25/00 , G01N15/0656 , G01N27/745 , G01N2015/0065 , G01R33/05 , G01R33/093 , G01R33/098 , Y10T29/49124 , Y10T29/49986
Abstract: A GMR sensor stripe provides a sensitive mechanism for detecting the presence of magnetized particles bonded to biological molecules that are affixed to a substrate. The adverse effect of hysteresis on the maintenance of a stable bias point for the magnetic moment of the sensor stripe free layer is eliminated by a combination of biasing the sensor stripe along its longitudinal direction rather than the usual transverse direction and by using the overcoat stress and magnetostriction of magnetic layers to create a compensatory transverse magnetic anisotropy. By connecting the stripes in an array and making the spaces between the stripes narrower than the dimension of the magnetized particle and by making the width of the stripes equal to the dimension of the particle, the sensitivity of the sensor array is enhanced.
Abstract translation: GMR传感器条带提供用于检测粘附到固定到基底上的生物分子的磁化颗粒的存在的敏感机制。 通过将传感器条沿其纵向而不是通常的横向方向偏置并通过使用外涂层应力和组合来消除滞后对传感器无条纹层的磁矩的稳定偏置点的维持的不利影响 磁层的磁致伸缩产生补偿横向磁各向异性。 通过将条纹连接在阵列中，使得条纹之间的空间比磁化粒子的尺寸窄，并且通过使条纹的宽度等于粒子的尺寸，增强了传感器阵列的灵敏度。
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公开(公告)号：US20080032423A1
公开(公告)日：2008-02-07
申请号：US11497162
申请日：2006-08-01
Applicant: Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
Inventor： Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
IPC: G01N33/536
CPC classification number: G01R33/0052 , B82Y25/00 , G01N15/0656 , G01N27/745 , G01N2015/0065 , G01R33/05 , G01R33/093 , G01R33/098 , Y10T29/49124 , Y10T29/49986
Abstract: A sensor array comprising a series connection of parallel GMR sensor stripes provides a sensitive mechanism for detecting the presence of magnetized particles bonded to biological molecules that are affixed to a substrate. The adverse effect of hysteresis on the maintenance of a stable bias point for the magnetic moment of the sensor free layer is eliminated by a combination of biasing the sensor along its longitudinal direction rather than the usual transverse direction and by using the overcoat stress and magnetostriction of magnetic layers to create a compensatory transverse magnetic anisotropy. By making the spaces between the stripes narrower than the dimension of the magnetized particle and by making the width of the stripes equal to the dimension of the particle, the sensitivity of the sensor array is enhanced.
Abstract translation: 包括并联GMR传感器条的串联连接的传感器阵列提供了用于检测粘附到固定到基底上的生物分子的磁化颗粒的存在的敏感机制。 通过将传感器沿着其纵向方向而不是通常的横向偏置并通过使用传感器的外涂层应力和磁致伸缩的组合来消除滞后对维持传感器自由层的磁矩的稳定偏置点的不利影响 磁性层产生补偿横向磁各向异性。 通过使条纹之间的空间比磁化粒子的尺寸窄，并且通过使条纹的宽度等于粒子的尺寸，传感器阵列的灵敏度增强。
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公开(公告)号：US09429544B2
公开(公告)日：2016-08-30
申请号：US13417399
申请日：2012-03-12
Applicant: Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
Inventor： Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
CPC classification number: G01R33/0052 , B82Y25/00 , G01N15/0656 , G01N27/745 , G01N2015/0065 , G01R33/05 , G01R33/093 , G01R33/098 , Y10T29/49124 , Y10T29/49986
Abstract: A sensor array comprising a series connection of parallel GMR sensor stripes provides a sensitive mechanism for detecting the presence of magnetized particles bonded to biological molecules that are affixed to a substrate. The adverse effect of hysteresis on the maintenance of a stable bias point for the magnetic moment of the sensor free layer is eliminated by a combination of biasing the sensor along its longitudinal direction rather than the usual transverse direction and by using the overcoat stress and magnetostriction of magnetic layers to create a compensatory transverse magnetic anisotropy. By making the spaces between the stripes narrower than the dimension of the magnetized particle and by making the width of the stripes equal to the dimension of the particle, the sensitivity of the sensor array is enhanced.
Abstract translation: 包括并联GMR传感器条的串联连接的传感器阵列提供了用于检测粘附到固定到基底上的生物分子的磁化颗粒的存在的敏感机制。 通过将传感器沿着其纵向方向而不是通常的横向偏置并通过使用传感器的外涂层应力和磁致伸缩的组合来消除滞后对维持传感器自由层的磁矩的稳定偏置点的不利影响 磁性层产生补偿横向磁各向异性。 通过使条纹之间的空间比磁化粒子的尺寸窄，并且通过使条纹的宽度等于粒子的尺寸，传感器阵列的灵敏度增强。
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Patent Agency Ranking
公开(公告)号：US20120169332A1
公开(公告)日：2012-07-05
申请号：US13417399
申请日：2012-03-12
Applicant: Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
Inventor： Po-Kang Wang , Xizeng Shi , Chyu-Jiuh Torng
CPC classification number: G01R33/0052 , B82Y25/00 , G01N15/0656 , G01N27/745 , G01N2015/0065 , G01R33/05 , G01R33/093 , G01R33/098 , Y10T29/49124 , Y10T29/49986
Abstract: A sensor array comprising a series connection of parallel GMR sensor stripes provides a sensitive mechanism for detecting the presence of magnetized particles bonded to biological molecules that are affixed to a substrate. The adverse effect of hysteresis on the maintenance of a stable bias point for the magnetic moment of the sensor free layer is eliminated by a combination of biasing the sensor along its longitudinal direction rather than the usual transverse direction and by using the overcoat stress and magnetostriction of magnetic layers to create a compensatory transverse magnetic anisotropy. By making the spaces between the stripes narrower than the dimension of the magnetized particle and by making the width of the stripes equal to the dimension of the particle, the sensitivity of the sensor array is enhanced.
Abstract translation: 包括并联GMR传感器条的串联连接的传感器阵列提供了用于检测粘附到固定到基底上的生物分子的磁化颗粒的存在的敏感机制。 通过将传感器沿着其纵向方向而不是通常的横向偏置并通过使用传感器的外涂层应力和磁致伸缩的组合来消除滞后对维持传感器自由层的磁矩的稳定偏置点的不利影响 磁性层产生补偿横向磁各向异性。 通过使条纹之间的空间比磁化粒子的尺寸窄，并且通过使条纹的宽度等于粒子的尺寸，传感器阵列的灵敏度增强。
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公开(公告)号：US07499314B2
公开(公告)日：2009-03-03
申请号：US12002161
申请日：2007-12-14
Applicant: Hsu Kai Yang , Po-Kang Wang , Xizeng Shi
Inventor： Hsu Kai Yang , Po-Kang Wang , Xizeng Shi
IPC: G11C11/00
Abstract: An MRAM reference cell sub-array provides a mid-point reference current to sense amplifiers. The MRAM reference cell sub-array has MRAM cells arranged in rows and columns. Bit lines are associated with each column of the sub-array. A coupling connects the bit lines of pairs of the columns together at a location proximally to the sense amplifiers. The MRAM cells of a first of the pair of columns are programmed to a first magneto-resistive state and the MRAM cells of a second of the pair of columns are programmed to a second magneto-resistive state. When one row of data MRAM cells is selected for reading, a row of paired MRAM reference cells are placed in parallel to generate the mid-point reference current for sensing. The MRAM reference sub-array may be programmed electrically or aided by a magnetic field. A method for verifying programming of the MRAM reference sub-array is discussed.
Abstract translation: MRAM参考单元子阵列提供了一个中点参考电流来检测放大器。 MRAM参考单元子阵列具有以行和列排列的MRAM单元。 位线与子阵列的每一列相关联。 耦合将位列对的位线连接到读出放大器的近端位置。 一对列中的第一列的MRAM单元被编程为第一磁阻状态，并且该对列中的第二对的MRAM单元被编程为第二磁阻状态。 当选择一行数据MRAM单元进行读取时，并行放置一对配对的MRAM参考单元，以生成用于检测的中点参考电流。 MRAM参考子阵列可以被电场编程或由磁场辅助。 讨论了一种用于验证MRAM参考子阵列的编程的方法。
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公开(公告)号：US07321507B2
公开(公告)日：2008-01-22
申请号：US11284299
申请日：2005-11-21
Applicant: Hsu Kai Yang , Po-Kang Wang , Xizeng Shi
Inventor： Hsu Kai Yang , Po-Kang Wang , Xizeng Shi
IPC: G11C7/00
Abstract: An MRAM reference cell sub-array provides a mid-point reference current to sense amplifiers. The MRAM reference cell sub-array has MRAM cells arranged in rows and columns. Bit lines are associated with each column of the sub-array. A coupling connects the bit lines of pairs of the columns together at a location proximally to the sense amplifiers. The MRAM cells of a first of the pair of columns are programmed to a first magneto-resistive state and the MRAM cells of a second of the pair of columns are programmed to a second magneto-resistive state. When one row of data MRAM cells is selected for reading, a row of paired MRAM reference cells are placed in parallel to generate the mid-point reference current for sensing. The MRAM reference sub-array may be programmed electrically or aided by a magnetic field. A method for verifying programming of the MRAM reference sub-array is discussed.
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9.发明授权Method and system for performing more consistent switching of magnetic elements in a magnetic memory 失效用于对磁存储器中的磁性元件进行更一致的切换的方法和系统公开(公告)号：US07123506B2
公开(公告)日：2006-10-17
申请号：US10860902
申请日：2004-06-03
Applicant: Xizeng Shi , Son Le , Po-Kang Wang , Tai Min
Inventor： Xizeng Shi , Son Le , Po-Kang Wang , Tai Min
IPC: G11C11/00
CPC classification number: G11C11/16
Abstract: A method and system for programming a magnetic memory is disclosed. The method and system further include turning on a word line current and turning on a bit line current. The word line current is for generating at least one hard axis field. The bit line current is for generating at least one easy axis field. In one aspect, the method and system further include turning off the word line current and the bit line current such that a state of the at least one magnetic memory cell is repeatably obtained. In another aspect, the word line current is turned off after the bit line current is turned off.
Abstract translation: 公开了一种用于编程磁存储器的方法和系统。 该方法和系统还包括打开字线电流并打开位线电流。 字线电流用于产生至少一个硬轴字段。 位线电流用于产生至少一个易轴场。 在一个方面，所述方法和系统还包括关闭字线电流和位线电流，使得可重复地获得至少一个磁存储单元的状态。 另一方面，在位线电流关闭之后，字线电流被关断。
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10.发明申请Method and system for providing common read and write word lines for a segmented word line MRAM array 失效用于为分段字线MRAM阵列提供通用读写字线的方法和系统公开(公告)号：US20050276098A1
公开(公告)日：2005-12-15
申请号：US10865722
申请日：2004-06-09
Applicant: Hsu Yang , Xizeng Shi , Po-Kang Wang , Bruce Yang
Inventor： Hsu Yang , Xizeng Shi , Po-Kang Wang , Bruce Yang
CPC classification number: G11C11/16
Abstract: A method and system for providing a magnetic memory including magnetic memory cells associated with a word line segment is disclosed. The magnetic memory cell includes a magnetic storage device and an isolation device. The isolation device is coupled to the magnetic tunneling junction and with a combined word line for reading and writing to the magnetic memory cell. The magnetic storage device and the isolation device are configured such that no direct current path to ground exists during the writing to the magnetic memory cell. In one aspect, in a write mode, the combined word line associated with the word line segment and the word line segment are activated. In the read mode, at least a portion of the memory cells associated with the word line segment are selected using the combined word line.
Abstract translation: 公开了一种用于提供包括与字线段相关联的磁存储单元的磁存储器的方法和系统。 磁存储单元包括磁存储装置和隔离装置。 隔离装置耦合到磁性隧道结，并具有用于读取和写入磁性存储器单元的组合字线。 磁存储装置和隔离装置被配置成使得在写入磁存储单元期间不存在直接到地面的地面路径。 一方面，在写入模式中，与字线段和字线段相关联的组合字线被激活。 在读取模式中，使用组合字线来选择与字线段相关联的至少一部分存储单元。
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