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Class Information
Number: 257/423
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Responsive to non-electrical signal (e.g., chemical, stress, light, or magnetic field sensors) > Magnetic field > Bipolar transistor magnetic field sensor (e.g., lateral bipolar transistor)
Description: Subject matter wherein the active solid-state device includes a bipolar transistor as the magnetic field sensor.

Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
8710604 Magnetoresistive element and manufacturing method of the same Apr. 29, 2014
8674465 MRAM device and integration techniques compatible with logic integration Mar. 18, 2014
8659103 Magnetoresistive element and magnetic memory using the same Feb. 25, 2014
8637946 Spin MOSFET and reconfigurable logic circuit Jan. 28, 2014
8637947 Memory element and memory apparatus Jan. 28, 2014
8629518 Sacrifice layer structure and method for magnetic tunnel junction (MTJ) etching process Jan. 14, 2014
8604573 Semiconductor memory device Dec. 10, 2013
8592930 Magnetic memory element, magnetic memory and initializing method Nov. 26, 2013
8580583 Magnetic tunnel junction device and fabrication Nov. 12, 2013
8564080 Magnetic storage element utilizing improved pinned layer stack Oct. 22, 2013
8558333 System and method for manipulating domain pinning and reversal in ferromagnetic materials Oct. 15, 2013
8519499 Solid-state image sensor and method of manufacturing the same Aug. 27, 2013
8518562 Magnetic storage device Aug. 27, 2013
8513751 Semiconductor storage device Aug. 20, 2013
8508006 Co/Ni multilayers with improved out-of-plane anisotropy for magnetic device applications Aug. 13, 2013
8497139 Magnetic memory device and method of manufacturing the same Jul. 30, 2013
8487391 Magnonic crystal spin wave device capable of controlling spin wave frequency Jul. 16, 2013
8486723 Three axis magnetic sensor device and method Jul. 16, 2013
8455966 Magnetic phase change logic Jun. 4, 2013
8441084 Horizontal polysilicon-germanium heterojunction bipolar transistor May. 14, 2013
8268641 Spin transfer MRAM device with novel magnetic synthetic free layer Sep. 18, 2012
8269293 Spin transistor and method of operating the same Sep. 18, 2012
8217478 Magnetic stack with oxide to reduce switching current Jul. 10, 2012
8058697 Spin transfer MRAM device with novel magnetic synthetic free layer Nov. 15, 2011
8035177 Magnetic stack with oxide to reduce switching current Oct. 11, 2011
8013408 Negative-resistance device with the use of magneto-resistive effect Sep. 6, 2011
8013407 Magnetic memory device having a recording layer Sep. 6, 2011
7834410 Spin torque transfer magnetic tunnel junction structure Nov. 16, 2010
7825000 Method for integration of magnetic random access memories with improved lithographic alignment to magnetic tunnel junctions Nov. 2, 2010
7795696 Modular magnetoresistive memory Sep. 14, 2010
7745893 Magnetic transistor structure Jun. 29, 2010
7741707 Stackable integrated circuit package system Jun. 22, 2010
7719070 Non-magnetic semiconductor spin transistor May. 18, 2010
7659562 Electric field read/write head and method of manufacturing same and data read/write device Feb. 9, 2010
7635599 Three terminal magnetic sensing devices having base lead layers in-plane with collector substrate materials and methods of making the same Dec. 22, 2009
7595520 Capping layer for a magnetic tunnel junction device to enhance dR/R and a method of making the same Sep. 29, 2009
7569903 Component arrangement having a transistor and an open-load detector Aug. 4, 2009
7531883 Magneto-resistance transistor and method thereof May. 12, 2009
7531882 Spin transfer magnetic element with free layers having high perpendicular anisotropy and in-plane equilibrium magnetization May. 12, 2009
7492022 Non-magnetic semiconductor spin transistor Feb. 17, 2009
7476953 Integrated sensor having a magnetic flux concentrator Jan. 13, 2009
7453084 Spin transistor with ultra-low energy base-collector barrier Nov. 18, 2008
7420228 Bipolar transistor comprising carbon-doped semiconductor Sep. 2, 2008
7372117 Magneto-resistance transistor and method thereof May. 13, 2008
7367111 Method for producing a spin valve transistor with stabilization May. 6, 2008
7339245 Hall sensor Mar. 4, 2008
7315071 Magnetic RAM Jan. 1, 2008
7242042 Solid state image sensing device and manufacturing and driving methods thereof Jul. 10, 2007
7235851 Spin transistor and method thereof Jun. 26, 2007
7230805 Semiconductor slider with an integral spin valve transistor structure and method for making same without a bonding step Jun. 12, 2007

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