Source: http://www.google.com/patents/US7764454?dq=7,603,356
Timestamp: 2017-06-26 02:50:35
Document Index: 241828830

Matched Legal Cases: ['Application No. 2007', 'Application No. 10', 'Application No. 10', 'Application No. 2007', 'Application No. 10', 'Application No. 10']

Patent US7764454 - Exchange-bias based multi-state magnetic memory and logic devices and ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsMagnetic materials and methods for using ferromagnetic and antiferromagnetic coupling and exchange bias for binary and multistate magnetic memory device....http://www.google.com/patents/US7764454?utm_source=gb-gplus-sharePatent US7764454 - Exchange-bias based multi-state magnetic memory and logic devices and magnetically stabilized magnetic storageAdvanced Patent SearchTry the new Google Patents, with machine-classified Google Scholar results, and Japanese and South Korean patents.Publication numberUS7764454 B2Publication typeGrantApplication numberUS 11/632,335PCT numberPCT/US2005/025129Publication dateJul 27, 2010Filing dateJul 13, 2005Priority dateJul 13, 2004Fee statusPaidAlso published asCN1997515A, CN1997515B, EP1768840A2, EP1768840A4, EP1768840B1, US20080084627, WO2006017367A2, WO2006017367A3, WO2006017367B1Publication number11632335, 632335, PCT/2005/25129, PCT/US/2005/025129, PCT/US/2005/25129, PCT/US/5/025129, PCT/US/5/25129, PCT/US2005/025129, PCT/US2005/25129, PCT/US2005025129, PCT/US200525129, PCT/US5/025129, PCT/US5/25129, PCT/US5025129, PCT/US525129, US 7764454 B2, US 7764454B2, US-B2-7764454, US7764454 B2, US7764454B2InventorsIgor V. Roshchin, Oleg Petracic, Rafael Morales, Zhi-Pan Li, Xavier Batlle, Ivan K. SchullerOriginal AssigneeThe Regents Of The University Of CaliforniaExport CitationBiBTeX, EndNote, RefManPatent Citations (20), Non-Patent Citations (36), Referenced by (8), Classifications (23), Legal Events (6) External Links: USPTO, USPTO Assignment, EspacenetExchange-bias based multi-state magnetic memory and logic devices and magnetically stabilized magnetic storage
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Yu. et al., "Domain-wall superconductivity in hybrid superconductor-ferromagnet structures," Phys. Rev. B 68: 184508-1-184508-7, (2003).2Berkowitz, A.E. and K. Takano, "Exchange anisotropy-a review," J. Magn. Magn. Mater. 200: 552-570 (1999).3Berkowitz, A.E. and K. Takano, "Exchange anisotropy—a review," J. Magn. Magn. Mater. 200: 552-570 (1999).4Chien, C.L., et al., "Hybrid domain walls and antiferromagnetic domains in exchange-coupled ferromagnet/antiferromagnet bilayers," Phys.Rev. B. 68: 014418-1-014418-5 (2003).5Cowburn, R.P. "Superparamagnetism and the future of magnetic random access memory," J. Appl. Phys. 93(11): 9310-9315 (2003).6Eisenmenger, J. and I.K. Schuller, "Magnetic Nanostructures: Overcoming thermal fluctuations," Nature Materials 2: 437-438 (Jul. 2003).7English language translation of Japanese Office Action dated Nov. 19, 2008 for JP Patent Application No. 2007-521668, 7 pages.8English language translation of Korean Intellectual Property Office, Final Office Action dated Jan. 22, 2009 for Korean Patent Application No. 10/2007-7003212, 3 pages.9English language translation of Korean Intellectual Property Office, Office Action dated Jan. 30, 2008 for Korean Patent Application No. 10/2007-7003212, 3 pages.10Fullerton, E.E. et al., "Antiferromagnetically coupled magnetic media layers for thermally stable high-density recording," Appl. Phys. Lett. 77(23): 3806-3808 (2000).11Gökemeijer, N.J. et al., "Memory effects of exchanging coupling in ferromagnet/antiferromagnet bilayers," Phys. Rev. B. 60(5): 3033-3036 (1999).12International Search Report and Written Opinion dated Jun. 16, 2006 for PCT/US2005/25129, published as WO 2006/017367, and entitled: "Exchange-Bias Based Multi-State Magnetic Memory and Logic Devices and Magnetically Stabilized Magnetic Storage" (7 pages).13Japanese Patent Office Action dated Nov. 19, 2008 for JP Patent Application No. 2007-521668,5 pages.14Judy, J.H., "Past, present, and future of perpendicular magnetic recording," Journal Magnetic and Magnetic Materials 235: 235-240 (2001).15Kappenberger, P. et al., "Direct imaging and determination of the uncompensated spin density in exchange-biased CoO/(CoPt) multilayers," Physical Review Letters 91(26): 267202-1-267202-4 (2003).16Kirk, T.L. et al., "Coercivity mechanisms in positive exchange-biased Co films and Co/PT multilayers," Phys. Rev. B 65: 224426-1-224426-5 (2002).17Kiwi, M., "Exchange bias theory," Journal of Magnetism and Magnetic Materials 234: 584-595 (2001).18Korean Intellectual Property Office, Final Office Action dated Jan. 22, 2009 for Korean Patent Application No. 10/2007-7003212, 3 pages.19Korean Intellectual Property Office, Office Action dated Jan. 30, 2008 for Korean Patent Application No. 10/2007-7003212, 5 pages.20Lange et al., "Phase diagram of a superconductor/ferromagnet bilayer," Phys. Rev. B. 68: 174522-1-174522-6 (2003).21Liu, K. et al., "Fabrication and thermal stability of arrays of Fe nanodots," Applied Physics Letters vol. 81, No. 2, pp. 4434-4436 Dec. 2, 2002.22Meiklejohn, W.H. and C.P. Bean, "New magnetic anisotrophy," Phys. Rev. 102(5): 1413-1414 (1956).23Miltényi, P. et al., "Tuning exchange bias," Appl. Phys. Lett. 75: 2304-2306 (1999).24Nogués, J. and I.K. Schuller, "Exchange Bias," Journal of Magnetism and Magnetic Materials 192: 203-232 (1999).25Nogués, J. et al., "Positive Exchange Bias in FeF2-Fe Bilayers," Phys. Rev. Lett. 76(24): 4624-4627 (1996).26Nogués, J. et al., "Role of interfacial structure on exchange-biased FeFe2-Fe," Phys. Rev. B 59(10): 6984-6993 (1999).27Nolting, F. et al., "Direct observation of the alignment of ferromagnetic spins by antiferromagnetic spins," Nature 405: 767-769 (2000).28Ohta, T. et al., "Opitcal recording; phase-change and magneto-optical recording," Journal of Magnetism and Magnetic Materials 242-245: 108-115 (2002).29Oppeneer, P.M., "Magneto-Optical Kerr Spectra," Chapter 2 in Handbook of Magnetic Materials, vol. 13 (Buschow, K.H. J., Editor), Elsevier, Amsterdam 2001, pp. 229-422.30Roshchin, I.V. et al., "Magnetic Nanodots: Exchange Bias, Vortex State, and Neutron Studies," American Physical Society, March Meeting 2004, Mar. 22-26, 2004, Palais des Congres de Montreal, Montreal, Quebec, Canada, Meeting ID: MAR04, abstract # H23.013 (Bulletin of the American Physical Society, vol. 49, 2004).31Roshcin, I.V. et al., "Lateral length scales in exchange bias," Europhysics Letters, vol. 71, No. 2, pp. 297-303 (2005).32Roy, S. et al., "In-Plan and Depth Dependent Magnetization in FeCr Multilayer," American Physical Society, March Meeting 2004, Mar. 22-26, 2004, Palais des Congres de Montreal, Montreal, Quebec, Canada, Meeting ID: MAR04, abstract # W27 14, Bulletin of the American Physical Society, vol. 49, p. 1334.33Schuller, I.K. et al., "Imprinting Domain Wall into Antiferromagnet," American Physical Society, March Meeting 2004, Mar. 22-26, 2004, Palais des Congres de Montreal, Montreal, Quebec, Canada, Meeting ID: MAR04, abstract #W27.009 (Bulletin of the American Physical Society, vol. 49, 2004).34Shi, H. and D. Lederman, "Exchange bias flop in FexZn1-xF2/Co bilayers," Phys. Rev. B 66: 094426-1-094426-6 (2002).35Stamps, R.L., "Mechanisms for exchange bias," J. Phys. D: Appl. Phys. 33: R247-R268 (2000).36Wang, J.P., "Design of laminated antiferromagnetically coupled media for beyond 100 Gb/in2 areal density," Journal of Applied Physics 91: 7694-7696 (2002).Referenced byCiting PatentFiling datePublication dateApplicantTitleUS8467234 *Feb 8, 2011Jun 18, 2013Crocus Technology Inc.Magnetic random access memory devices configured for self-referenced read operationUS8488372Jun 10, 2011Jul 16, 2013Crocus Technology Inc.Magnetic random access memory devices including multi-bit cellsUS8576615Jun 10, 2011Nov 5, 2013Crocus Technology Inc.Magnetic random access memory devices including multi-bit cellsUS8854871 *Nov 18, 2013Oct 7, 2014U.S. Department Of EnergyDynamic control of spin states in interacting magnetic elementsUS9001630 *Apr 24, 2014Apr 7, 2015Western Digital Technologies, Inc.Energy assisted magnetic recording medium capable of suppressing high DC readback noiseUS9576635 *Apr 9, 2013Feb 21, 2017Commissariat A L'energie Atomique Et Aux Energies AlternativesThermally-assisted magnetic writing deviceUS20120201074 *Feb 8, 2011Aug 9, 2012Neal BergerMagnetic Random Access Memory Devices Configured for Self-Referenced Read OperationUS20150063019 *Apr 9, 2013Mar 5, 2015Commissariat A L'energie Atomique Et Aux Energies AlternativesThermally-assisted magnetic writing device* Cited by examinerClassifications U.S. Classification360/59International ClassificationG11B5/02Cooperative ClassificationB82Y10/00, G11B2005/0002, G11B11/10586, G11B5/66, G11C11/16, G11B11/10528, G11C11/5607, G11B11/10504, G11B11/10584, G11B9/14, G11B5/02, G11B2005/0021European ClassificationB82Y10/00, G11B11/105M1, G11B5/66, G11B11/105B6, G11B11/105B1, G11B11/105M2, G11C11/56B, G11C11/16, G11B5/02Legal EventsDateCodeEventDescriptionSep 4, 2007ASAssignmentOwner name: REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE, CALIFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROSHCHIN, IGOR V.;PETRACIC, OLEG;MORALES, RAFAEL;AND OTHERS;REEL/FRAME:019778/0975;SIGNING DATES FROM 20070105 TO 20070110Owner name: REGENTS OF THE UNIVERSITY OF CALIFORNIA, THE, CALIFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:ROSHCHIN, IGOR V.;PETRACIC, OLEG;MORALES, RAFAEL;AND OTHERS;SIGNING DATES FROM 20070105 TO 20070110;REEL/FRAME:019778/0975Oct 11, 2007ASAssignmentOwner name: VENCORE SOLUTIONS LLC A DELAWARE LLC, OREGONFree format text: SECURITY INTEREST;ASSIGNOR:MIGO SOFTWARE, INC. A DELAWARE CORPORATION;REEL/FRAME:019959/0081Effective date: 20070810Mar 23, 2009ASAssignmentOwner name: UNITED STATES AIR FORCE, VIRGINIAFree format text: CONFIRMATORY LICENSE;ASSIGNOR:CALIFORNIA, UNIVERSITY OF;REEL/FRAME:022438/0957Effective date: 20080331Nov 1, 2010ASAssignmentOwner name: AIR FORCE, UNITED STATES, VIRGINIAFree format text: CONFIRMATORY LICENSE;ASSIGNOR:CALIFORNIA SAN DIEGO, UNIVERSITY OF;REEL/FRAME:025227/0335Effective date: 20101008Apr 26, 2011CCCertificate of correctionJan 27, 2014FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services