| Patent Number |
Title Of Patent |
Date Issued |
| 7369427 |
Magnetic elements with spin engineered insertion layers and MRAM devices using the magnetic elem |
May 6, 2008 |
| A method and system include providing a pinned layer, a free layer, and a spacer layer between the pinned and free layers. The spacer layer is nonmagnetic. The magnetic element is configured to allow the free layer to be switched due to spin transfer when a write current is passed th |
| 7088609 |
Spin barrier enhanced magnetoresistance effect element and magnetic memory using the same |
August 8, 2006 |
| A method and system for providing a magnetic element that can be used in a magnetic memory is disclosed. The magnetic element includes pinned, spacer, free, and spin barrier layers. The spacer layer is nonmagnetic and resides between the pinned and free layers. The free layer can be |
| 7057921 |
Spin barrier enhanced dual magnetoresistance effect element and magnetic memory using the same |
June 6, 2006 |
| A method and system for providing a magnetic element that can be used in a magnetic memory is disclosed. The magnetic element includes first pinned, spacer, free, spin barrier, and second pinned layers. The spacer layer is nonmagnetic and resides between the pinned and free layers. The f |
| 6304522 |
Data medium optical recording/reading device |
October 16, 2001 |
| An optical read/write device for an information medium which includes a transparent substrate having an approximately plane face carrying at least one pair of electrodes defining an airgap area whose size corresponds approximately to the size of the information item to be written or to b |
| 5961848 |
Process for producing magnetoresistive transducers |
October 5, 1999 |
| A process for producing magnetoresistive transducers, using microlithographic techniques, where the transducers have magnetic metallic multilayers deposited by sputtering or by molecular beam epitaxy, and forming columns whose side walls will be covered with an insulation and whose t |
| 5696447 |
Magneto-resistive magnetic field sensor with pole pieces and increased sensitivity |
December 9, 1997 |
| The invention concerns a magneto-resistive magnetic sensor comprising a magneto-resistive element, the resistance of which varies as a function of the applied magnetic field and two pole pieces that collect the magnetic field to be detected so as to concentrate it in the magneto-resistiv |
| 5463516 |
Magnetoresistive transducer or magnetic read head including a layer of composite material includ |
October 31, 1995 |
| A transducer contains at least one layer of a composite material containing particles of a conducting magnetic material in a non-magnetic and insulating or semiconductor matrix material and two electrodes deposited on at least one face of the layer for measuring resistance of the layer. |
| 5335120 |
Device for reading a set of resistive elements featuring interrogation and voltage stabilization |
August 2, 1994 |
| In a device for the reading of a set of resistive elements (1.0, . . . , 1.n) in which an interrogation potential (V.sub.0) is applied at each instant to an element while a reference potential (v) is applied to the other elements, a stabilization circuit (CS) operates to keep the reading |
| 5306573 |
Magnetic device and process for production of magnetoresistive sensors according to this process |
April 26, 1994 |
| The invention relates to a process for producing a plurality of magnetoresistive sensors on the same substrate. The invention particularly has as its object to facilitate a polishing phase of this process. The process of the invention comprises depositing a layer of a magnetoresistiv |
| 5282104 |
Magnetic reading device with read head matrix network |
January 25, 1994 |
| A magnetic reading device, of the type comprising multiple magnetic read heads, incorporates read heads each formed by a magneto-resistance element having a resistance which varies as a function of an outside magnetic field. The magnetic reading device comprises a network of line conduct |
| 5251088 |
Magnetic read head with magneto-resistance effect |
October 5, 1993 |
| Magnetic read heads with magneto-resistance effect of the multilayer type, are provided in a new arrangement making it possible in particular to facilitate a collective arrangement of these heads. Each read head comprises a magneto-resistance element formed by a sensitive magnetic la |
