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Class Information
Number: 360/315
Name: Dynamic magnetic information storage or retrieval > Head > Magnetoresistive (mr) reproducing head > Having multiple interconnected single film mr sensors (e.g., dual magnetoresistive sensor)
Description: Subject matter wherein plural MR sensors are connected together to reproduce information from a single track wherein all of the MR sensors are formed of a single film.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8659855 Trilayer reader with current constraint at the ABS Feb. 25, 2014
8582247 Magnetic element with increased scissoring angle Nov. 12, 2013
8411392 Magnetic field sensor including multiple magnetoresistive sensing elements for patterned media Apr. 2, 2013
8189302 Magnetic field sensor with graphene sense layer and ferromagnetic biasing layer below the sense layer May. 29, 2012
8149546 Magnetic field detecting element including tri-layer stack with stepped portion Apr. 3, 2012
8035929 Magnetic head assembly and magnetic tape driving apparatus Oct. 11, 2011
8000062 Enhanced magnetoresistance and localized sensitivity by gating in lorentz magnetoresistors Aug. 16, 2011
7916432 Thin-film patterning method for magnetoresistive device Mar. 29, 2011
7760465 Magnetic head having selectively defined reader gap thicknesses Jul. 20, 2010
7631416 Method of making thin film magnetic head using electric lapping guide Dec. 15, 2009
7593194 Tape recording head promoting lateral motion Sep. 22, 2009
7436632 Differential/dual CPP recording head Oct. 14, 2008
7408730 Reproducing head and magnetic disk drive Aug. 5, 2008
7405907 Adjacent magnetoresistive read head and method for obtaining position error signal Jul. 29, 2008
7342748 System with matrix array of write heads and matrix array of magnetoresistive (MR) read heads Mar. 11, 2008
7262064 Magnetoresistive effect element, magnetic memory element magnetic memory device and manufacturing methods thereof Aug. 28, 2007
7227726 Method and system for providing a dual-stripe magnetoresistive element having periodic structure stabilization Jun. 5, 2007
6987652 Tapered angle magnetoresistive element and nonvolatile solid-state memory using the same Jan. 17, 2006
6888184 Shielded magnetic ram cells May. 3, 2005
6866751 Method of setting self-pinned AP pinned layers with a canted field Mar. 15, 2005
6842312 Dual stripe read head with magnetic support structures which provide a uniform magnetic field for stabilization during manufacture Jan. 11, 2005
6754048 Multiple magnetoresistive (MR) layer sensor element having longitudinal bias layers with non-parallel magnetizations Jun. 22, 2004
6697233 High density recording, dual stripe MR (DSMR) head for achieving anti-parallel exchange coupling with one biased layer having low coercivity Feb. 24, 2004
6638691 Method for fabricating plate type magnetic resistance sensor chip element Oct. 28, 2003
6633462 Magnetoresistive angle sensor having several sensing elements Oct. 14, 2003
6496333 Dual stripe magnetoresistive (DSMR) head with co-extensive magnetoresistive (MR)/dielectric/magnetoresistive (MR) stack layer edges Dec. 17, 2002
6449131 Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof Sep. 10, 2002
6392850 Magnetoresistive transducer having a common magnetic bias using assertive and complementary signals May. 21, 2002
6308400 Method for achieving anti-parallel exchange coupling with one biased layer having low coercivity Oct. 30, 2001
6310751 Anti-parallel longitudinal patterned exchange biased dual stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof Oct. 30, 2001
6230390 Canted longitudinal patterned exchange biased dual-stripe magnetoresistive (DSMR) sensor element and method for fabrication thereof May. 15, 2001
6201466 Magnetoresistor array Mar. 13, 2001
6134078 High sensitivity, low distortion yoke-type magnetoresistive head Oct. 17, 2000
6118638 CPP magnetoresistive device and method for making same Sep. 12, 2000
5956215 High density thin film coupled element read head with support element to prevent damage to magnetoresistive element Sep. 21, 1999
5914839 MR Device with anti-ferro magnetic field anti-parallel to sense current magnetic field Jun. 22, 1999
5894384 Magnetoresistance effect head in which a magnetoresistance effect element and a soft magnetic film form a single magnetic circuit Apr. 13, 1999
5883767 Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line Mar. 16, 1999
5796562 Magnetic head comprising a multilayer structure with electrically conducting head elements Aug. 18, 1998
5786965 Magneto-resistance effect magnetic head Jul. 28, 1998
5766780 Reversed order NIMN exchange biasing for dual magnetoresistive heads Jun. 16, 1998
5706151 Low bias current paired magnetoresistive head with misaligned anisotropy axes Jan. 6, 1998
5696654 Dual element magnetoresistive sensor with antiparallel magnetization directions for magnetic state stability Dec. 9, 1997
5684658 High track density dual stripe magnetoresistive (DSMR) head Nov. 4, 1997
5661620 Magneto-resistance effect magnetic head Aug. 26, 1997
5644456 Magnetically capped dual magnetoresistive reproduce head Jul. 1, 1997
5569544 Magnetoresistive structure comprising ferromagnetic thin films and intermediate layers of less than 30 angstroms formed of alloys having immiscible components Oct. 29, 1996
5563331 Magnetoresistive sensor utilizing a sensor material with a perovskite-like crystal structure Oct. 8, 1996
5552706 Magnetoresistive magnetic field sensor divided into a plurality of subelements which are arrayed spatially in series but are connected electrically in parallel Sep. 3, 1996
5552950 Direct access storage device with magneto-resistive transducing head apparatus and a common read return signal line Sep. 3, 1996

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