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| Number | Title | Issue Date |
| 7372195 | Electron beam source having an extraction electrode provided with a magnetic disk element An electron beam source for use in an electron gun. The electron beam source includes an emitter terminating in a tip. The emitter is configured to generate an electron beam. The electron beam source further includes a suppressor electrode laterally surrounding the ... | 05/13/2008 |
| 7345907 | Apparatus and method for reading an array of nonvolatile memory cells including switchable resistor memory elements A non-volatile memory cell includes a switch able resistor memory element in series with a switch device. An array of such cells may be programmed using only positive voltages. A method for programming such cells also supports a direct write of both 0 and 1 data sta... | 03/18/2008 |
| 7342276 | Method and apparatus utilizing monocrystalline insulator A semiconductor device, including: a semiconductor material; a conductive element; and a substantially monocrystalline insulator disposed between the semiconductor material and the conductive eleme... | 03/11/2008 |
| 7286387 | Reducing the effect of write disturbs in polymer memories The write disturb that occurs in polymer memories may be reduced by writing back data after a read in a fashion which offsets any effect on the polarity of bits in bit lines associated with the addressed bit. For example, each time the data is written back, its pola... | 10/23/2007 |
| 7212433 | Ferromagnetic layer compositions and structures for spin polarized memory devices, including memory devices Ferromagnetic materials for use with spin memory and logic devices include a geometry and composition adapted to increase spin injection efficiency and/or reduce fringe fields. The ferromagnetic materials can be oriented to implement a variable spin resistance. The ... | 05/01/2007 |
| 7173842 | Metal heater for in situ heating and crystallization of ferroelectric polymer memory film An embodiment of the invention provides an on-chip heating system to both initially anneal and revive cycle-fatigued polymer ferroelectric materials utilized in memory devices. By heating the polymer ferroelectric material above its Curie temperature, the polymer fe... | 02/06/2007 |
| 7085693 | Manipulation of electronic media using off-line media The system generally comprises a probe device, a computing device, an electronic media, a presentation device, and a suitable medium as a specimen. The probe is manipulated over the specimen and information from the probe is transmitted to the computing device. The ... | 08/01/2006 |
| 7075092 | Charged particle beam microscope with minicolumn One embodiment of the present invention is an electron microscope that includes: (a) a main vacuum chamber housing a stage therein and connected to a vacuum pump; (b) a load lock for loading a specimen into said main vacuum chamber; (c) a minicolumn non-translatably... | 07/11/2006 |
| 7068452 | Method for recording magnetic information and magnetic recording system Stable writing is performed in a super high density hard disk where writing by magnetic field is difficult. A layered thin film structure including at least a magnetic metallic layer/a non-magnetic metallic layer/a magnetic metallic layer is formed, and a metallic p... | 06/27/2006 |
| 6970356 | Heat sink system A heat sink assembly is provided to afford cooling for electronic components mounted on a circuit board. The assembly consists of a thermal conducting substrate base with a top and bottom side. Radiating fins are attached to the bottom side of the base. The fins are... | 11/29/2005 |
| 6940801 | Optical recording medium, optical recording and reproducing method and apparatus An optical recording medium, an optical recording and reproducing method, and an apparatus that can record and reproduce multilevel information at a high density and with a high S/N ratio. Recording light emitted from a light source is collimated by a collimation le... | 09/06/2005 |
| 6935751 | Projection arrangement for correcting for image distortions A projection arrangement is provided, comprising a light source (1), a light modulator (4), which is arranged following the light source (1) and onto which light from the light source (1) may be directed, said light being modulated by the... | 08/30/2005 |
| 6922350 | Reducing the effect of write disturbs in polymer memories The write disturb that occurs in polymer memories may be reduced by writing back data after a read in a fashion which offsets any effect on the polarity of bits in bit lines associated with the addressed bit. For example, each time the data is written back, its pola... | 07/26/2005 |
| 6917426 | Real-time wavefront sensor system The system includes a first polarizing element; an electro-optically driven birefringent element; a second polarizing element; an optical assembly; and, an optical-to-electronic imaging sensor assembly. The first polarizing element receives an incoming optical wavef... | 07/12/2005 |
| 6912148 | Magnetic semiconductor memory and the reading method using spin-polarized electron beam A system for writing data to and reading data from a magnetic semiconductor memory utilizing a spin polarized electron beam. The magnetic semiconductor memory comprises a plurality of storage locations, each storage location includes a magnetic material and a layer ... | 06/28/2005 |
| 6900486 | Ferroelectric memory and method for manufacturing same Ferroelectric memory includes a hollow formed in a first insulation film. A lower electrode is formed in this hollow by sol-gel method including an application process due to a spin coat method. In this application process, a precursor solution is dripped on a surfa... | 05/31/2005 |
| 6867408 | Erasable/rewritable optical data storage with photorefractive polymers A method of erasable/rewritable optical data storage is provided in which a laser beam from a laser (10) operated in either a pulsed or continuous wave mode is focussed by an optical system (11-18) onto a photorefractive polymeric material (32) ... | 03/15/2005 |
| 6791857 | Method and article for concentrating fields at sense layers A write line structure for a magnetic memory cell includes a write conductor having a front surface facing the memory cell, a back surface and two sides surfaces. A cladding layer is disposed adjacent a portion of the front surface of the write conductor, with the c... | 09/14/2004 |
| 6661688 | Method and article for concentrating fields at sense layers A write line structure for a magnetic memory cell includes a write conductor having a front surface facing the memory cell, a back surface and two sides surfaces. A cladding layer is disposed adjacent a portion of the front surface of the write conductor,... | 12/09/2003 |
| 6606261 | Method for performing write and read operations in a passive matrix memory, and apparatus for performing the method A method and apparatus for performing read and write operations in matrix-addressed memory array of memory cells is described. The memory cells comprising an electrically polarizable material exhibiting polarization remanence, in particular and electret o... | 08/12/2003 |
| 6388912 | Quantum magnetic memory A system for storing data on a magnetic medium using spin polarized electron beams is provided. The system includes a source of spin polarized electrons and a storage medium disposed a selected distance from the source. The storage medium has a plurality ... | 05/14/2002 |
| 6304481 | Method and apparatus for storing data using spin-polarized electrons A data storage device including a substrate, a data storage layer on the substrate, and a spin-polarized electron source. The data storage layer comprises a fixed number of atomic layers of a magnetic material which provide the data storage layer with a m... | 10/16/2001 |
| 6274279 | Preparations of bacteriorhodopsin variants having increased memory time, and their use Compositions of bacteriorhodopsin variants with increased memory time and their use for reversible optical information recording are disclosed. The compositions are characterized in that the configuration of the retinal of the photoproduct is different fr... | 08/14/2001 |
| 6246602 | Ferroelectric storage device An object of the present invention is to provide a ferroelectric storage device which has long life in use. A switch-signal generating portion 40 automatically generates switch signals in predetermined timing. A reversal-of-polarity controlling portion 36... | 06/12/2001 |
| 6147894 | Method and apparatus for storing data using spin-polarized electrons A data storage device including a substrate, a data storage layer on the substrate, and a spin-polarized electron source. The data storage layer comprises a fixed number of atomic layers of a magnetic material which provide the data storage layer with a m... | 11/14/2000 |
| 6141244 | Multi level sensing of NAND memory cells by external bias current A method and circuit for sensing multi states of a NAND memory cell by applying plurality of external sensing bias current at a constant positive gate and bias voltage and detecting a cell current wherein the cell current depends upon the state of the mem... | 10/31/2000 |
| 6061265 | Quantum magnetic memory A system for storing data on a magnetic medium using spin polarized electron beams is provided. The system includes a source of spin polarized electrons and a storage medium disposed a selected distance from the source. The storage medium has a plurality ... | 05/09/2000 |
| 6034883 | Solid state director for beams An apparatus and method for electro-optically controlling the path of a laser beam or other electromagnetic beam in a suitable spectrum (e.g. visible, infrared, etc.) operates entirely in a solid state. Crystalline carbon-60 is manufactured in a gaseous e... | 03/07/2000 |
| 6016267 | High speed, high bandwidth, high density, nonvolatile memory system A nonvolatile memory system is described. The system includes ferroelectric memory cells each comprising a pair of metal plates and a ferroelectric material therebetween. Data are stored in the cells by applying an electric field corresponding to the desi... | 01/18/2000 |
| 5946224 | Ferroelectric memory device, a method for read out stored data and a method for standing-by It is an object of the present invention to provide a ferroelectric memory device having a high integration and capable of maintaining nonvolatility. A threshold voltage Vth of a ferroelectric memory element is set at value slightly higher than... | 08/31/1999 |
| 5940314 | Ultra-high density memory device A ultra-high density memory device utilizing a photoinductive ferromagnetic thin film. A photoinductive ferromagnetic thin film is formed on a GaAs substrate, and a tip is arranged so as to face the photoinductive ferromagnetic thin film. The GaAs substra... | 08/17/1999 |
| 5854710 | Optical fourier processing The invention relates to systems and methods for optical Fourier processing and logic operations based on the discovery that the photoinduced anisotropy of photochromic materials such as bacteriorhodopsin, organic fulgides, azo and fluorescent dyes, phyco... | 12/29/1998 |
| 5838607 | Spin polarized apparatus Spin polarized apparatus includes a spin polarizing section of magnetic material with an electron input port and a polarized electron port and a transport section of magnetic material with a polarized electron input port electrically coupled to the polari... | 11/17/1998 |
| 5790418 | Adaptive polarizing memory voltage time constant At least two different time constants are used to produce the polarizing memory reference voltage which in turn is used in a protective relay for power transmission lines. For most conditions, a relative short time constant of 1.75 cycles is used, while u... | 08/04/1998 |
| 5726964 | Scanning head including a magneto-optical element and scanning device including the scanning head Scanning head including a magneto-optical element and scanning device including the scanning head. A scanning head having a head face (1) comprises flux-guiding elements (3a, 3b) and a magneto-optical element (5). The magneto-optical element is disposed i... | 03/10/1998 |
| 5604706 | Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom A data storage medium comprising a substrate and a data storage layer formed on the substrate. The data storage layer comprises a fixed number of atomic layers of a magnetic material which provide the data storage layer with a magnetic anisotropy perpendi... | 02/18/1997 |
| 5581499 | Micro information storage system A device for optically storing and retrieving information incorporating a cadmium fluoride crystal. Using focused ionizing radiation, patterns can be formed in the crystal by the creation of color centers and/or intrinsic luminescence quenched areas. The ... | 12/03/1996 |
| 5568460 | Optical recording and/or reproducing apparatus and method utilizing stimulated photon echo The recording method and apparatus according to this invention is an "optical recording method utilizing a simulated photon echo" in which information is recorded by irradiating data and record excitation lights at the same time or at different times on t... | 10/22/1996 |
| 5546337 | Method and apparatus for storing data using spin-polarized electrons A data storage device including a substrate, a data storage layer on the substrate, and a spin-polarized electron source. The data storage layer comprises a fixed number of atomic layers of a magnetic material which provide the data storage layer with a m... | 08/13/1996 |
| 5446687 | Data storage medium for storing data as a polarization of a data magnetic field and method and apparatus using spin-polarized electrons for storing the data onto the data storage medium and reading the stored data therefrom A data storage medium comprising a substrate and a data storage layer formed on the substrate. The data storage layer comprises a fixed number of atomic layers of a magnetic material which provide the data storage layer with a magnetic anisotropy perpendi... | 08/29/1995 |
