Abstract: A method is disclosed for characterizing a local magnetic field, in particular a stray field caused by a magnetizable or magnetic particle in a prescribed measuring area of a magnetic field. In at least one embodiment, a sensor array including a number of magnetic sensors and each having at least one layer sensitive to magnetic fields is arranged at least in a subregion of the measuring area, and at least one device is provided for reading out separately the signal from each sensor. According to at least one embodiment, the size, in particular of XMR sensors and the surface of the layer sensitive to magnetic fields and the grid dimension of the sensor array, are selected such that at least two neighboring sensors are influenced by the local stray field. An associated device for carrying out the method is also disclosed.

Abstract: The invention relates to a reconfigurable digital logic unit comprising at least one logic gate with a cell presenting a magnetic layer system, the resistance of which may be altered by means of magnetic field pulses. Said logic gate comprises at least one first leg with at least one data cell and a second leg, wired parallel to the above, with at least one reference cell and a means for determination of the resistances of the first and second legs, representing a measure of the logical state of the logic gate, whereby the first leg comprises at least two parallel data cells (2).

Abstract: A device and a method are disclosed for the detection and/or for the quantification of an analyte. In at least one embodiment, the device includes a basic matrix and magnetized nanoparticles, which are arranged in moveable fashion in or at the basic matrix and to which catcher molecules that bind specifically to the analyte are anchored. Further, the mobility of the nanoparticle in the basic matrix can be influenced by a binding of the analyte to be detected to the catcher molecules and can be read out magnetically.

Abstract: An integrated circuit arrangement includes at least one electrical conductor that, when a current flows through it, produces a magnetic field that acts on at least a further part of the circuit arrangement, wherein seen in cross section, the electrical conductor has at least one recess or depression, or a region of reduced conductivity on the side facing that part, in order to influence the magnetic field which can be produced.

Abstract: A component with a logic circuit arrangement with configurable functionality, includes several data lines (7), whereby at least a part of the data lines (7) is provided with at least one element (1) which may be switched between two states with different discrete resistances. The data line (7) is opened or closed by the element (1), depending on the switched state.

Abstract: An integrated circuit arrangement includes at least one electrical conductor that, when a current flows through it, produces a magnetic field that acts on at least a further part of the circuit arrangement, wherein seen in cross section, the electrical conductor has at least one recess or depression, or a region of reduced conductivity on the side facing that part, in order to influence the magnetic field which can be produced.

Abstract: A digital logic unit can be reconfigured and includes: a plurality of logic cells (19, 26) that have configurable properties; a memory (13) with a plurality of microprograms (14, 16) that contains information on the functionality of a plurality of logic cells (19, 26), at least one of the microprograms (14, 16) being reprogrammable depending on a certain application at least during the current operation of the logic unit; elements for selecting at least one microprogram (14, 16); and elements for configuring logic cells corresponding to the functionality information of the selected microprogram (14, 16) at least during the current operation of the logic unit.

Abstract: An apparatus is disclosed for carrying out an analysis process, in which probe molecules which are immobilized on a substrate within an analysis area are brought into contact with an analyte solution, which contains target molecules as reaction partners, and reaction events are detected between target molecules and probe molecules with the aid of magnetic marker particles which are coupled to the target molecules or to the probe molecules. An inhomogeneous magnetic field is applied to the analysis area before and/or after detection. In the apparatus, magnetic-field devices are provided at least for the production of an inhomogeneous magnetic field acting in the analysis area, with these magnetic-field devices being part of sequence control for determination of the bonding forces of the reaction events.

Abstract: A configurable logic circuit arrangement includes at least one multiplexer for switching logic signals. The multiplexer includes one or more data inputs and one or more control signal inputs. The at least one multiplexer (8, 12, 13) can be configured by one or more external control signal transmitter elements of the circuit arrangement during the operation of the circuit in a run-time variable manner by configuration signals that are applied to the control inputs and forwards the logical signals that are applied to the data inputs during operation of the circuit in a run-time variable manner.

Abstract: The invention relates to a memory arrangement having an energy storage device (store) which collects the energy transported during the flowing of a write or read current and makes it available for a new write or read operation.

Abstract: The present invention relates to an arrangement for increasing a relative change in resistance of a magnetoresistive memory cell (17) having in each case a memory layer (1) and a reference layer (3) on both sides of a tunnel barrier (2), the reference layer (3) being fashioned as a magnetically soft layer, and the magnetization thereof, which can be influenced by write operations, being oriented correctly again by a reference backup field or a reference magnetization current (11).

Abstract: The invention relates to a memory arrangement having an energy storage device (store) which collects the energy transported during the flowing of a write or read current and makes it available for a new write or read operation.

Abstract: A standard cell arrangement for a magneto-resistive component, comprising at least one magneto-resistive layer system, preferably in the center of the cell, in addition to at least one input and at least one output on the cell periphery. The input is provided with two input connections which can be connected to each other in order to conduct a current producing a magnetic field used to influence the magneto-resistive layer system. The output has two output connections which can be connected to the magneto-resistive layer system to pick off a signal. The input and output connections are arranged at predetermined points in relation to a rectangular basic shape of said cell (respectively mirror-symmetrical or point-symmetrical to the center of the cell).

Abstract: An arrangement is described for compensation of a magnetic bias field in a storage layer of at least one magnetoresistive memory cell provided in a semiconductor device. In this arrangement, at least one compensation layer that is provided with a magnetization compensates for the bias field in the storage layer. A method is also described for compensation of a magnetic bias field in a storage layer of a magnetoresistive memory cell provided in a semiconductor device. A step is provided for applying a ferromagnetic compensation layer. In another step, a bias field is measured in terms of magnitude and direction. In another step, the bias field is compensated by magnetization of the compensation layer.

Abstract: An integrated circuit arrangement includes at least one electrical conductor that, when a current flows through it, produces a magnetic field that acts on at least a further part of the circuit configuration, wherein seen in cross-section, the electrical conductor has at least one recess or depression, or a region of reduced conductivity on the side facing that part, in order to influence the magnetic field that can be produced.

Abstract: An integrated circuit arrangement includes at least one electrical conductor that, when a current flows through it, produces a magnetic field that acts on at least a further part of the circuit arrangement, wherein seen in cross section, the electrical conductor has at least one recess or depression, or a region of reduced conductivity on the side facing that part, in order to influence the magnetic field which can be produced.

Abstract: The invention relates to a digital logic unit that can be reconfigured and that comprises: a plurality of logic cells (19, 26) that have configurable properties; a memory (13) with a plurality of microprograms (14, 16) that contains information on the functionality of a plurality of logic cells (19, 26), at least one of the microprograms (14, 16) being reprogrammable depending on a certain application at least during the current operation of the logic unit; means for selecting at least one microprogram (14, 16); and means for configuring logic cells corresponding to the functionality information of the selected microprogram (14, 16) at least during the current operation of the logic unit.

Abstract: A standard cell arrangement for a magneto-resistive component, comprising at least one magneto-resistive layer system (3, 27), preferably in the center of the cell, in addition to at least one input (9, 38, 39) and at least one output (10, 42) on the cell periphery. The input (9, 38, 39) is provided with two input connections (11, 12, 34, 35, 36, 37) which can be connected to each other in order to conduct a current producing a magnetic field used to influence the magneto-resistive layer system (3, 27). The output (10, 42) has two output connections (13, 14, 43, 44) which can be connected to the magneto-resistive layer system (3, 27) to pick off a signal. The input and output connections (11, 12, 34, 35, 36, 37, 13, 14, 43, 44) are arranged at predetermined points in relation to a rectangular basic shape (2, 26) of said cell ( respectively mirror-symmetrical or point-symmetrical to the center of the cell).

Abstract: Integrated circuit arrangement having at least one electrical conductor which, when a current flows through it, produces a magnetic field which acts on at least a further part of the circuit arrangement, wherein seen in cross section, the electrical conductor (2, 3, 16) has at least one recess (17) or depression, or a region (22) of reduced conductivity on the side facing that part, in order to influence the magnetic field which can be produced.