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| Number | Title | Issue Date |
| 7372717 | Methods for resistive memory element sensing using averaging A system for determining the logic state of a resistive memory cell element, for example an MRAM resistive cell element. The system includes a controlled voltage supply, an electronic charge reservoir, a current source, and a pulse counter. The controlled voltage su... | 05/13/2008 |
| 7351321 | Method for electrochemical fabrication An electroplating method that includes: a) contacting a first substrate with a first article, which includes a substrate and a conformable mask disposed in a pattern on the substrate; b) electroplating a first metal from a source of metal ions onto the first substra... | 04/01/2008 |
| 7330390 | Noise resistant small signal sensing circuit for a memory device Apparatus and method for data sensing circuitry that uses averaging to sense small differences in signal levels representing data states. The apparatus periodically switches the coupling of input terminals and output terminals of an integrator circuit from a first c... | 02/12/2008 |
| 7294278 | Method for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 11/13/2007 |
| 7285964 | Method for signal extraction in a universal sensor IC A apparatus and method for creating a universally usable and configurable sensor platform which is used in conjunction with various sensor and sensing elements to sense and measure environmental conditions which incorporates inputs from multiple sensors 6-... | 10/23/2007 |
| 7133307 | Resistive memory element sensing using averaging A system for determining the logic state of a resistive memory cell element, for example an MRAM resistive cell element. The system includes a controlled voltage supply, an electronic charge reservoir, a current source, and a pulse counter. The controlled voltage su... | 11/07/2006 |
| 7113104 | Giant magnetoresistance based gyroscope A gyroscope (10) for determining rate of rotation includes a giant magnetoresistor (GMR) (14) attached to a mass (12) oscillating along a first axis. When the gyroscope (10) is rotated, the mass (12) also oscillates along a second ... | 09/26/2006 |
| 7095667 | Noise resistant small signal sensing circuit for a memory device Apparatus and method for data sensing circuitry that uses averaging to sense small differences in signal levels representing data states. The apparatus periodically switches the coupling of input terminals and output terminals of an integrator circuit from a first c... | 08/22/2006 |
| 7054194 | Non-volatile SRAM cell having split-gate transistors This specification discloses a non-volatile static random access memory (SRAM) cell with the feature of keeping data even after the power is turned off. It includes a static random access unit and a non-volatile memory unit. Therefore, it has the random access prope... | 05/30/2006 |
| 7008535 | Apparatus for oxygenating wastewater A method and apparatus creates gas-enriched fluid that is used to treat wastewater. In one embodiment, the wastewater is withdrawn from a supply of wastewater to be treated, and the wastewater is delivered in an atomized manner to a vessel pressurized with gas to fo... | 03/07/2006 |
| 7009901 | System and method for sensing data stored in a resistive memory element using one bit of a digital count A method and system sense the logic state of an unknown initial data bit stored in a selected resistive memory cell. According to one method, a first count representing the logic state of the unknown initial data bit stored in the selected memory cell is generated. ... | 03/07/2006 |
| 6954390 | Noise resistant small signal sensing circuit for a memory device Apparatus and method for data sensing circuitry that uses averaging to sense small differences in signal levels representing data states. The apparatus periodically switches the coupling of input terminals and output terminals of an integrator circuit from a first c... | 10/11/2005 |
| 6954391 | Noise resistant small signal sensing circuit for a memory device Apparatus and method for data sensing circuitry that uses averaging to sense small differences in signal levels representing data states. The apparatus periodically switches the coupling of input terminals and output terminals of an integrator circuit from a first c... | 10/11/2005 |
| 6940277 | Giant magnetoresistance based nanopositioner encoder An encoder (10) for a nanopostioner (24) includes a strip of magnetic bits (18) for producing discrete magnetic fields and a giant magnetoresistor (GMR) (14) which changes in electrical resistance in response to changes in the magnetic fi... | 09/06/2005 |
| 6917088 | Magneto-resistive devices A magneto-resistive device has a high reproducing output and is suitable for use as a CPP-GMR device. The magneto-resistive device has a first magnetic layer, a second magnetic layer, and a non-magnetic spacer formed between the first and second magnetic layers. The... | 07/12/2005 |
| 6914839 | Self-timed sneak current cancellation A sensing circuit. The circuit includes an integrator to sense charge release from a passive electronic device and a comparator to interpret the charge release as one of at least two data states. The circuit also includes a compensation module to generate a compensa... | 07/05/2005 |
| 6795336 | Magnetic random access memory The present invention discloses a magnetic random access memory for reading two or more data, by sensing the current flowing into source and drain regions. The current is regulated by the amount of a current flowing through an MRJ in an MRAM cell according to a word... | 09/21/2004 |
| 6639829 | Configuration and method for the low-loss writing of an MRAM A configuration and method for low-loss writing of an MRAM includes setting voltages at bit lines and word lines such that the voltage across the memory cells between a selected word/bit line and the individual bit line/word lines is minimal. A voltage dr... | 10/28/2003 |
| 6624457 | Stepped structure for a multi-rank, stacked polymer memory device and method of making same The present invention relates to a ferroelectric polymer storage device including at least two stacked ferroelectric polymer memory structures that are arrayed next to at least two respective stacked topologies that are a pre-fabricated silicon substrate ... | 09/23/2003 |
| 6211559 | Symmetric magnetic tunnel device A symmetric magnetic tunnel device including first and second magnetic tunnel junctions each including a pinned magnetic layer, an insulating tunnel layer and a free magnetic layer stacked in parallel juxtaposition to allow tunneling of electrons through ... | 04/03/2001 |
| 6204071 | Method of fabrication of striped magnetoresistive (SMR) and dual stripe magnetoresistive (DSMR) heads with anti-parallel exchange configuration A method for forming a longitudinally magnetically biased dual stripe magnetoresistive (DSMR) sensor element comprises forming a first patterned magnetoresistive (MR) layer. Contact the opposite ends of the patterned magnetoresistive (MR) layer with a fir... | 03/20/2001 |
| 6166948 | Magnetic memory array with magnetic tunnel junction memory cells having flux-closed free layers An improved magnetic tunnel junction (MTJ) memory cell for use in a nonvolatile magnetic random access memory (MRAM) array has a free layer formed as two ferromagnetic films that are magnetostatically coupled antiparallel to one another by their respectiv... | 12/26/2000 |
| 5982658 | MRAM design to reduce dissimilar nearest neighbor effects A magnetoresistive memory array which has a row of active sense lines with each sense line including magnetoresistive bits and word lines extending over the bits. Each active sense line ending in a termination bit having a configuration selected to cause ... | 11/09/1999 |
| 5088059 | Detection device for magnetic bubble memory Detection device for a magnetic bubble memory having a detection zone (6) constituted by rows (7) of patterns (8) suitable for the propagation of bubbles in strip form, as well as a transition zone (10) making it possible to draw out the bubbles in strip ... | 02/11/1992 |
| 4912673 | Detection system for a magnetic bubble memory in hybrid technology Magnetic bubble memory in hybrid technology using rows of chevron patterns. The memory detection system has an active detection zone (4) constituted by rows of chevrons, in order to stretch into the form of a strip the bubbles from a propagation path (2),... | 03/27/1990 |
| 4829476 | Differential magnetoresistive memory sensing A sensing circuit for sensing magnetic states of magnetic bit structures through selectively providing current through and across selected ones of such bit structures while selectively sensing and comparing voltage drops thereacross.... | 05/09/1989 |
| 4811286 | Magnetic bubble memory device A magnetic bubble memory has a reading zone with thin detection elements, coated with an insulating layer which carries thick bubble propagation patterns of high magnetic permeability material, and a bubble stretching zone also including thick propagation... | 03/07/1989 |
| 4686472 | Magnetic sensor having closely spaced and electrically parallel magnetoresistive layers of different widths A magnetic sensor for sensing magnetic fields including two flat layers of electrically conductive ferromagnetic material (11, 16) each having an in-plane easy axis of magnetization (EA1, EA2) and each producing a resistance variatio... | 08/11/1987 |
| 4589041 | Differential magnetoresistive sensor for vertical recording An MR sensor is disclosed in which a pair of thin film magnetoresistive strips are connected electrically in parallel between two terminals. Strips are spaced apart a distance which is small relative to the density of the stored data to be sensed. The str... | 05/13/1986 |
| 4589095 | Magnetic bubble stretcher A magnetic bubble stretcher comprises a bubble fanning part for propagating a magnetic bubble while gradually stretching the bubble and a bubble propagation part for propagating the stretcher bubble. The bubble fanning and propagation parts include a bubb... | 05/13/1986 |
| 4538242 | Signal processing circuit for magnetic bubble memory devices A signal processing circuit for a magnetic bubble memory device is arranged to set a reference level for determining the level of "1" or "0" of the bubble sensing line signal during a period in which only a read signal corresponding to level "0" appears a... | 08/27/1985 |
| 4525807 | Magnetic bubble store with non-implanted motifs and method for controlling the same A magnetic bubble store, using adjoining non-implanted motifs as bubble-propagating motifs, the store comprising 3n identical, electrically interconnected storage devices, n being a positive integer, which are produced on an identical circuit chip and eac... | 06/25/1985 |
| 4517662 | High-speed, compact magnetic bubble stretcher A magnetic bubble memory (of the type that has a magnetic film, a plurality of magnetic bubbles in the film, and an insulating layer over the film) includes an improved electromagnetic structure on the insulating layer for stretching the bubbles to aid in... | 05/14/1985 |
| 4514828 | Magnetic bubble memory sense amplifier having a pulsed current mode of operation A temperature compensated, phase tolerant sense amplifier for use in a magnetic bubble memory system in which current is applied to the detector resistors only during a bubble detect operation.... | 04/30/1985 |
| 4511995 | Detector-dummy detector combination which is integrated as a single element of reduced size A magnetic bubble memory includes a planar magnetic film containing a plurality of magnetic bubbles which move in response to a magnetic field that rotates the film's plane; and further includes an improved mechanism for detecting the bubbles comprised of... | 04/16/1985 |
| 4502129 | Magnetic bubble detector A magnetic bubble detector has a stretcher part for stretching a magnetic bubble while propagating it and a detection part for detecting the magnetic bubble while propagating it. In the magnetic bubble detector, the period of arrangement of bubble propaga... | 02/26/1985 |
| 4485319 | Bubble memory sense amplifier A sense amplifier which is fully integrated has an on-chip voltage regulator to provide essentially error free operation. The sense amplifier provides peak-to-peak signal detection for comparison to a threshold voltage by a comparator. The output of the c... | 11/27/1984 |
| 4475238 | Magnetoresistive image correlation device An image correlation device utilizing the principle of magnetoresistance. A sensed image is compared to a preselected mask image to determine whether the two images match. The comparison is accomplished by electrically representing the sensed image along ... | 10/02/1984 |
| 4470873 | Method of manufacturing magnetic sensor comprising at least two magnetoresistive elements A magnetic sensor including first and second electromagnetic elements arranged one on the other is manufactured by depositing on a glass substrate a first magnetoresistive film of Fe-Ni permalloy, an insulating film of SiO2 and a second magneto... | 09/11/1984 |
| 4471467 | Magnetic domain device A magnetic device comprising at least one thin layer of a magnetizable material which has an easy axis of magnetization approximately normal to the surface of the layer. Magnetic domains are propagated in the layer by a rotating magnetic field in co-opera... | 09/11/1984 |
