Patent classifications
H10N52/80
MAGNETIC MEMORY
A magnetic memory including a plurality of magnetoresistance effect elements that hold information, each including a first ferromagnetic metal layer with a fixed magnetization direction, a second ferromagnetic metal layer with a varying magnetization direction, and a non-magnetic layer sandwiched between the first and second ferromagnetic metal layers; a plurality of first control elements that control reading of the information, wherein each of the plurality of first ferromagnetic metal layers is connected to a first control element, a plurality of spin-orbit torque wiring lines that extend in a second direction intersecting with a first direction which is a stacking direction of the magnetoresistance effect elements, wherein each of the second ferromagnetic metal layers is joined to one spin-orbit torque wiring line; a plurality of second control elements that control electric current flowing through the spin-orbit torque wiring lines.
MAGNETIC MEMORY
A magnetic memory including a plurality of magnetoresistance effect elements that hold information, each including a first ferromagnetic metal layer with a fixed magnetization direction, a second ferromagnetic metal layer with a varying magnetization direction, and a non-magnetic layer sandwiched between the first and second ferromagnetic metal layers; a plurality of first control elements that control reading of the information, wherein each of the plurality of first ferromagnetic metal layers is connected to a first control element, a plurality of spin-orbit torque wiring lines that extend in a second direction intersecting with a first direction which is a stacking direction of the magnetoresistance effect elements, wherein each of the second ferromagnetic metal layers is joined to one spin-orbit torque wiring line; a plurality of second control elements that control electric current flowing through the spin-orbit torque wiring lines.
HALL SENSOR DEVICE AND HALL SENSING METHOD
The present disclosure relates to 3-dimensional Hall sensor devices comprising a Hall sensor element having a Hall effect region implemented in a 3-dimensional shell and comprising at least three terminals. Each terminal is connected to at least one electrical contact of the Hall effect region and each electrical contact is disposed at a different region of the 3-dimensional shell. The present disclosure further discloses spinning current/voltage schemes for offset cancellation in such 3-dimensional Hall sensor devices.
METHOD FOR MANUFACTURING SEMICONDUCTOR DEVICES
A method for manufacturing semiconductor devices is provided. The method includes bonding a semiconductor element to a first surface of a planar lead frame, clamping a partial area of the lead frame to hold the lead frame and the semiconductor element in molding dies, and covering at least a part of the lead frame and the semiconductor element with a resin member by resin molding which fills the molding dies with resin. A thin-walled portion having a relative small thickness is previously formed on a shortest virtual line connecting a clamp area of the lead frame to an area where the semiconductor element is bonded.
Hall device
A Hall effect device includes a semiconductor region and at least three contacts to the semiconductor region, which are arranged in the semiconductor region substantially along a line or curve. The line or curve functionally separates the semiconductor region in a first region and a second region. The Hall effect device further including a first electrode that is electrically isolated against the first region and a second electrode that is electrically isolated against the second region. Two of the at least three contacts supply electric energy to the first region and to the second region, and the remaining at least one contact taps an output signal of the first region and/or the second region that responds to a magnetic field component.
Hall device
A Hall effect device includes a semiconductor region and at least three contacts to the semiconductor region, which are arranged in the semiconductor region substantially along a line or curve. The line or curve functionally separates the semiconductor region in a first region and a second region. The Hall effect device further including a first electrode that is electrically isolated against the first region and a second electrode that is electrically isolated against the second region. Two of the at least three contacts supply electric energy to the first region and to the second region, and the remaining at least one contact taps an output signal of the first region and/or the second region that responds to a magnetic field component.
SENSOR MODULE AND METHOD OF MANUFACTURE
According to embodiments there is provided a magneto-resistive sensor module. The sensor module may comprise: an integrated circuit; magneto-resistive sensor elements arranged as a bridge circuit monolithically integrated on the integrated circuit; and a stress buffer layer arranged between the integrated circuit and the magneto-resistive sensor element. There is also a provided a method of manufacturing the magneto-resistive sensor module.
Magnetoresistive devices and methods of fabricating magnetoresistive devices
A method of manufacturing a magnetoresistive device may comprise forming a first magnetic region, an intermediate region, and a second magnetic region of a magnetoresistive stack above a via; removing at least a portion of the second magnetic region using a first etch; removing at least a portion of the intermediate region and at least a portion of the first magnetic region using a second etch; removing at least a portion of material redeposited on the magnetoresistive stack using a third etch; and rendering at least a portion of the redeposited material remaining on the magnetoresistive stack electrically non-conductive.
INTEGRATED CURRENT SENSOR WITH MAGNETIC FLUX CONCENTRATORS
In one example, circuitry is formed in a semiconductor die. A magnetic concentrator is formed on a surface of the semiconductor die and over the circuitry. An isolation spacer is placed on a lead frame. The semiconductor die is placed on the isolation spacer, and the magnetic concentrator is aligned to overlap the lead frame. Electrical interconnects are formed between the semiconductor die and the lead frame.
Magnetic element with perpendicular magnetic anisotropy (PMA) and improved coercivity field (Hc)/switching current ratio
A perpendicular magnetic tunnel junction is disclosed wherein a metal insertion (MIS) layer is formed within a free layer (FL), a partially oxidized Hk enhancing layer is on the FL, and a nitride capping layer having a buffer layer/nitride layer (NL) is on the Hk enhancing layer to provide an improved coercivity (Hc)/switching current (Jc) ratio for spintronic applications. Magnetoresistive ratio is maintained above 100%, resistance×area (RA) product is below 5 ohm/μm.sup.2, and thermal stability to 400° C. is realized. The FL comprises two or more sub-layers, and the MIS layer may be formed within at least one sub-layer or between sub-layers. The buffer layer is used to prevent oxygen diffusion to the NL, and nitrogen diffusion from the NL to the FL. FL thickness is from 11 Angstroms to 25 Angstroms while MIS layer thickness is preferably from 0.5 Angstroms to 4 Angstroms.