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Class Information
Number: 257/E43.002
Name: Active solid-state devices (e.g., transistors, solid-state diodes) > Semiconductor or solid-state devices using galvano-magnetic or similar magnetic effects, processes or apparatus peculiar to manufacture or treatment of such devices, or of parts thereof (epo) > Hall-effect devices (epo)
Description: This subclass is indented under subclass E43.43.001 This subclass is substantially the same in scope as ECLA classification H01L43/06.










Sub-classes under this class:

Class Number Class Name Patents
257/E43.003 Semiconductor hall-effect devices (epo) 83


Patents under this class:

Patent Number Title Of Patent Date Issued
8680592 Method of forming a magnetic tunnel junction device Mar. 25, 2014
8629521 Semiconductor device used for adjustment of output of a hall element Jan. 14, 2014
8466526 Hall sensor for eliminating offset voltage Jun. 18, 2013
8324120 Interfering excitations in FQHE fluids Dec. 4, 2012
8203191 Spin current thermal conversion device and thermoelectric conversion device Jun. 19, 2012
7964924 Magnetoresistance effect device and magnetism sensor using the same Jun. 21, 2011
7948042 Suspended structures May. 24, 2011
7936029 Hall effect element having a hall plate with a perimeter having indented regions May. 3, 2011
7821088 Spin transfer magnetic element with free layers having high perpendicular anisotropy and in-plan equilibrium magnetization Oct. 26, 2010
7782050 Hall effect device and method Aug. 24, 2010
7772661 Hall-effect magnetic sensors with improved magnetic responsivity and methods for manufacturing the same Aug. 10, 2010
7626452 Driving circuit to avoid reverse current for soft switching DC motor Dec. 1, 2009
7598514 Quasi-particle interferometry for logical gates Oct. 6, 2009
7394092 Quasi-particle interferometry for logical gates Jul. 1, 2008
6429498 Sensor for measuring a magnetic field Aug. 6, 2002
6341080 Hall effect ferromagnetic random access memory device and its method of manufacture Jan. 22, 2002
6140139 Hall effect ferromagnetic random access memory device and its method of manufacture Oct. 31, 2000
6130599 Electrical current sensing apparatus Oct. 10, 2000
5990533 Semiconductor device including a magnetoresistance effect element functioning as a current detector Nov. 23, 1999
5821750 CCD magnetic field detecting apparatus Oct. 13, 1998
5679973 Lateral hall element Oct. 21, 1997
5646527 Hall-effect device with current and hall-voltage connections Jul. 8, 1997
5517170 Multilayer thin film hall effect device May. 14, 1996
4972241 Magnetic force detecting semiconductor device and method for manufacturing the same Nov. 20, 1990
4905318 Semiconductor hall element with magnetic powder in resin Feb. 27, 1990
4698522 Structure for Hall device for compensation of first and second order voltage offsets Oct. 6, 1987
4668914 Circular, amorphous metal, Hall effect magnetic field sensor with circumferentially spaced electrodes May. 26, 1987
4464629 Hall element device Aug. 7, 1984
4425557 Non-contact magnetic potentiometer Jan. 10, 1984
4395695 Non-contact magnetic potentiometer Jul. 26, 1983
4293837 Hall effect potentiometer Oct. 6, 1981
4283643 Hall sensing apparatus Aug. 11, 1981
4268814 Solid state keyboard May. 19, 1981
4218626 Electromagnetic relay Aug. 19, 1980
4156820 Miniature contactless switching unit May. 29, 1979
3970922 Hall-voltage device Jul. 20, 1976
3969644 Pulse generator with asymmetrical multi-pole magnet Jul. 13, 1976











 
 
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