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    • 2. 发明申请
    • SENSOR ARRANGEMENT
    • 传感器布置
    • WO2006035371A1
    • 2006-04-06
    • PCT/IB2005/053110
    • 2005-09-21
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.VAN ZON, HansRUIGROK, JaapVAN DER HOEVEN, Jan, C.PHAN LE, Kim
    • VAN ZON, HansRUIGROK, JaapVAN DER HOEVEN, Jan, C.PHAN LE, Kim
    • G06F3/033G01R33/09G01R17/10G01D5/16
    • G01D5/147G01R33/09G01R33/096G05G9/047G05G2009/04729G05G2009/04755G06F3/0338
    • Devices (1) comprising sensor arrangements (10) with field detectors (12) for detecting components (18) of magnetic fields in planes of the field detectors (12) and with movable objects (13) for, in response to tilting movements, changing at least parts of the components (18) of the magnetic fields in the plane; of the field detectors (12) are made less sensitive to in-plane stray fields by providing the fold detectors (12) with saturated field-­dependent elements (31). The movable object (13) 1 nay comprise a movable field generator for generating the magnetic field, or the movable of object (13) and the field generator (11) may be different objects. The magnetic field is such that the field-dependent element (31) is saturated. The field generator (11) is smaller than the field detector (12), and the movable object (13) is larger than the field detector (12), to reduce alignment problems. The movable object (13) has a pivoting point close to the field detector (12).
    • 设备(1)包括具有场检测器(12)的传感器装置(10),用于检测场检测器(12)的平面中的磁场的部件(18)和可移动物体(13),以响应于倾斜运动而改变 平面中的磁场的部件(18)的至少一部分; 通过提供具有饱和磁场依赖元件(31)的折叠检测器(12),使得场检测器(12)对面内杂散场的敏感度较低。 可移动物体(13)1包括用于产生磁场的可动场发生器,或者物体(13)和场发生器(11)的可移动物体可以是不同的物体。 磁场使得场依赖元件(31)饱和。 场发生器(11)小于场检测器(12),并且可移动物体(13)大于场检测器(12),以减少对准问题。 可移动物体(13)具有靠近场检测器(12)的枢转点。
    • 5. 发明申请
    • MAGNETIC ROM INFORMATION CARRIER
    • 磁性ROM信息载体
    • WO2007010457A2
    • 2007-01-25
    • PCT/IB2006/052386
    • 2006-07-13
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.RUIGROK, JaapBALISTRERI, Marcello, L., M.KUIPER, Antonius, E., T.DECRE, Michel, M., J.
    • RUIGROK, JaapBALISTRERI, Marcello, L., M.KUIPER, Antonius, E., T.DECRE, Michel, M., J.
    • G11B5/82B82Y10/00G11B5/743G11B5/746G11B5/78G11B5/855G11B5/865
    • The invention relates to a method of manufacturing a device (10) comprising a layer (12) having a pattern of disjunct portions (14) of magnetic material (18) generating a corresponding pattern of local magnetic fields (2). The magnetic material (18) is constituted of particles (22) dispersed in a solid substance (24). The particles are magnetically stable and substantially aligned for generating the local magnetic fields (2). The method comprises the steps of: providing a substance (32) having the particles (22) dispersed in the substance (32), the substance (32) having a viscosity for allowing the particles (22) to move in the substance (32), creating the pattern of disjunct portions (14) of the substance (32) in the layer (12) of the device (10), applying an external magnetic field (50) for substantially aligning the particles (22) in the disjunct portions (14) of the substance (32), and solidifying the substance (32) for obtaining the solid substance (24). The benefit of this method is that instead of changing the magnetization inside the particles (22), the particles (22) are moved, typically rotated, to be aligned to the externally applied magnetic field (50). Subsequent solidification of the substance (32) fixes the aligned magnetically stable particles (22) inside the solid substance (24) which results in a permanently magnetized magnetic material (18).
    • 本发明涉及一种制造装置(10)的方法,所述装置(10)包括具有磁性材料(18)的分离部分(14)的图案的层(12),所述磁性材料产生相应的局部磁场模式 (2)。 磁性材料(18)由分散在固体物质(24)中的粒子(22)构成。 颗粒是磁稳定的并且基本上对齐以产生局部磁场(2)。 该方法包括以下步骤:提供具有分散在物质(32)中的颗粒(22)的物质(32),物质(32)具有允许颗粒(22)在物质(32)中移动的粘度, ,在装置(10)的层(12)中产生物质(32)的分离部分(14)的图案,施加外部磁场(50)以基本上对齐分离部分中的颗粒(22) 14),并固化物质(32)以获得固体物质(24)。 该方法的益处在于,不是改变颗粒(22)内部的磁化,而是使颗粒(22)移动(通常旋转)以与外部施加的磁场(50)对齐。 物质(32)的随后固化将固体物质(24)内的对准的磁稳定颗粒(22)固定,这导致永久磁化的磁性材料(18)。
    • 8. 发明申请
    • MAGNETIC MEMORY SYSTEM USING MRAM-SENSOR
    • 使用MRAM传感器的磁记录系统
    • WO2006077553A1
    • 2006-07-27
    • PCT/IB2006/050208
    • 2006-01-19
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.JEDEMA, Friso, J.BOEVE, Hans, M., B.RUIGROK, Jaap
    • JEDEMA, Friso, J.BOEVE, Hans, M., B.RUIGROK, Jaap
    • G11C11/16
    • G11C17/02G11C11/1673
    • The invention relates to a Magnetic memory system (1, 20) which comprises an information layer (13) and a sensor (2, 22) for cooperating with the information layer (13). The information layer (13) comprises a pattern of magnetic bits (4a, 4b, 4c, 4d, 24a, 24c, 24d) which constitutes an array of bit locations. A bit magnetic field (3a, 3b, 3c, 3d) at a bit location represents a logical value (LO, Ll/2, Ll). The sensor (2, 22) comprises a magnetoresistive element (6, 26) comprising a fixed magnetic layer (7) and a free magnetic layer (8). The free magnetic layer (8) has a magnetization axis (10) along which the free magnetic layer retains a free magnetization direction (1 Ib, 1 Ic, 21b, 21c). A first bit magnetic field (3b, 3c) at one of the bit locations represents a first logical value (LO, Ll/2, Ll) by providing a first resistance value (Rmax, Rmid, Rmin) in the magnetoresistive element (6, 26) due to the free magnetization direction (1 Ic, 1 Ib, 21a, 21c) being substantially parallel to the magnetization axis (10). A second bit magnetic field (3a, 3d) at one of the bit locations represents a second logical value (LO, Ll/2, Ll) by providing a second resistance value (Rmax, Rmid, Rmin) in the magnetoresistive element (6, 26) due to the free magnetization direction (Ha, 1 Id, 21a, 2Id) having an angle (12a, 12d, 27) with the magnetization axis (10). The second bit magnetic field (3a, 3d) which provides the second resistance value (Rmax, Rmid, Rmin) is not one of the two stable magnetization directions of the free magnetic layer (8) and thus is different from the first resistance value (Rmax, Rmid, Rmin). The magnetization direction of the free magnetic layer (8) of the sensor (2, 22) no longer needs to be set before read-out.
    • 本发明涉及一种磁存储器系统(1,20),其包括信息层(13)和用于与信息层(13)配合的传感器(2,22)。 信息层(13)包括构成比特位置阵列的磁头(4a,4b,4c,4d,24a,24c,24d)的图案。 位位置处的位磁场(3a,3b,3c,3d)表示逻辑值(LO,L1 / 2,L1)。 传感器(2,22)包括包括固定磁性层(7)和自由磁性层(8)的磁阻元件(6,26)。 自由磁性层(8)具有磁化轴(10),自由磁性层沿着磁化轴保持自由磁化方向(11b,1c,21b,21c)。 其中一个比特位置处的第一比特磁场(3b,3c)通过在磁阻元件(6)中提供第一电阻值(Rmax,Rmid,Rmin)来表示第一逻辑值(LO,L1 / 2,L1) 由于自由磁化方向(1c,11b,21a,21c)与磁化轴线(10)基本平行。 其中一个比特位置处的第二位磁场(3a,3d)通过在磁阻元件(6)中提供第二电阻值(Rmax,Rmid,Rmin)来代表第二逻辑值(LO,L1 / 2, 由于具有与磁化轴线(10)的角度(12a,12d,27)的自由磁化方向(Ha,11d,21a,2Id)。 提供第二电阻值(Rmax,Rmid,Rmin)的第二位磁场(3a,3d)不是自由磁性层(8)的两个稳定磁化方向之一,因此与第一电阻值( Rmax,Rmid,Rmin)。 传感器(2,22)的自由磁性层(8)的磁化方向不再需要在读出之前被设定。
    • 9. 发明申请
    • MAGNETIC ROM INFORMATION CARRIER WITH ADDITIONAL STABILIZING LAYER
    • 磁性信息载体与附加稳定层
    • WO2006077549A1
    • 2006-07-27
    • PCT/IB2006/050204
    • 2006-01-19
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.RUIGROK, Jaap
    • RUIGROK, Jaap
    • G11C11/15G11B5/64
    • G11B5/64G11C11/15Y10T29/49069Y10T428/1193Y10T428/325
    • The invention relates to a read only magnetic information carrier (1b, 1c, 1d) comprising a substrate (2), an information layer (3) and a stabilizing layer (15a, 15b). The information layer (3) comprises a pattern of magnetic bits (4) of magnetic material wherein the pattern of magnetic bits (4) constitutes an array of bit locations. The presence or absence of the magnetic material at a bit location represents a value of the bit location by a magnetic field (5) having a predetermined magnetization direction (6). The stabilizing layer (15a, 15b) is arranged between the substrate (2) and the information layer (3) and comprises hard magnetic material (8, 9) which is magnetically coupled to the magnetic material of the magnetic bit (4). The magnetically coupled hard magnetic material (8, 9) provides the predetermined magnetization direction (6) of the magnetic field (5). The magnetic coupling between the hard magnetic material (8, 9) and the magnetic bits (4) prevents the predetermined magnetization direction (6) of the magnetized material of the magnetic bits (4) to change, which improves the thermal stability of the magnetic bits (4).
    • 本发明涉及一种只读磁信息载体(1b,1c,1d),包括基片(2),信息层(3)和稳定层(15a,15b)。 信息层(3)包括磁性材料的磁头(4)的图案,其中磁头(4)的图案构成位位置的阵列。 位置位置处的磁性材料的存在或不存在通过具有预定磁化方向(6)的磁场(5)表示位位置的值。 稳定层(15a,15b)设置在基板(2)和信息层(3)之间,并且包括与磁性钻头(4)的磁性材料磁耦合的硬磁材料(8,9)。 磁耦合硬磁材料(8,9)提供磁场(5)的预定磁化方向(6)。 硬磁性材料(8,9)和磁性体(4)之间的磁耦合防止了磁性体(4)的磁化材料的预定磁化方向(6)改变,从而改善了磁性材料 位(4)。