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| Number | Title | Issue Date |
| 8189357 | Memory with multiple reference cells A memory includes a memory array, a sense amplifier, and a reference circuit. The memory array includes a memory cell. The sense amplifier includes a first terminal coupled to the memory cell and a second terminal. The reference circuit includes a first reference ce... | 05/29/2012 |
| 7724558 | Magnetic signal transmission line A magnetic signal transmission line includes a one-dimensional array of a plurality of single-magnetization domains each formed in a ferromagnetic body. The anisotropic energy of the single-magnetization domains is zero to 120% of the interactive energy acting betwe... | 05/25/2010 |
| 7394691 | Semiconductor memory device which prevents destruction of data A plurality of memory cells each storing n values (n is a natural number which is not smaller than 3) are arranged in a matrix form in a memory cell array, and each memory cell is connected with a word line and a bit line. Each memory cell stores the n-valued data b... | 07/01/2008 |
| 7339282 | Topographically indexed support substrates The present invention provides an indexed support substrate. The support substrate comprises at least one set of indexing features that are distinguishable from one another and from the surrounding substrate. The support substrate also comprises a set of useful doma... | 03/04/2008 |
| 7308973 | Door interlocking system A door panel position control mechanism for a multiple panel horizontal sliding door assembly of a freight elevator landing. The mechanism comprises a multiple node scissors linkage that is configured to be easily installed and initially adjusted and which has its p... | 12/18/2007 |
| 7259040 | Process for manufacturing a phase change memory array in Cu-damascene technology and phase change memory array manufactured thereby A process for manufacturing a phase change memory array, includes the steps of: forming a plurality of PCM cells, arranged in rows and columns; and forming a plurality of resistive bit lines for connecting PCM cells arranged on a same column, each resistive bit line... | 08/21/2007 |
| 7200033 | MRAM with coil for creating offset field An MRAM memory chip includes a plurality of magnetoresistive memory cells each including a magnetic tunnel junction having first (fixed) and second (free) magnetic regions, where the second magnetic region includes at least two ferromagnetic layers that are antiferr... | 04/03/2007 |
| 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 |
| 7038065 | Process for catalytically producing organic substances by partial oxidation A process for catalytically generating organic substances by partial oxidation of an organic feedstock in the presence of molecular oxygen at temperatures in the range from 200 to 500° C. in at least one cooling-tube reactor, wherein 40 to 100 wt-% of the total amo... | 05/02/2006 |
| 7031160 | Magnetically enhanced convection heat sink A magnetically enhanced convection heat sink comprises a heat sink member for dissipating heat from a heat source. A magnetic source creates a magnetic field concentrated at a first location, the intensity of the magnetic field decreasing from the first location to ... | 04/18/2006 |
| 6971166 | Method of manufacturing a nonreciprocal device A method of manufacturing a non-reciprocal component including a casing having an input/output terminal and a ground terminal formed therein, a ferrite plate, a line conductor, and a magnet disposed in the casing, and an upper yoke and a lower yoke provided at the t... | 12/06/2005 |
| 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 |
| 5473466 | Magneto-optical display and method of forming such display A thin transparent epitaxial layer of a magnetizable material (e.g. gallium ferrite) is deposited on a substrate of a dielectric transparent material (e.g. gadolinium gallium garnet). A mask made from an oxidizable material (e.g. silicon) deposited on the... | 12/05/1995 |
| 5396455 | Magnetic non-volatile random access memory A non-volatile random access memory is described incorporating a plurality of memory cells, each memory cell having a Hall effect device including amorphous magnetic material and a switch for directing current through the flail effect device. An array of ... | 03/07/1995 |
| 4975871 | Magnetic bubble memory module with interconnection member According to one embodiment of the present invention, a magnetic bubble memory module comprising a flexible printed circuits substrate (FPC3), on which a magnetic bubble memory chip (CHI) is mounted and electrically connected, with interconnecting pattern... | 12/04/1990 |
| 4972369 | Magnetic bubble memory module with interconnection member According to one embodiment of the present invention, a magnetic bubble memory module comprising a flexible printed circuits substrate (FPC3), on which a magnetic bubble memory chip (CHI) is mounted and electrically connected, with interconnecting pattern... | 11/20/1990 |
| 4884235 | Micromagnetic memory package A package comprised of a plurality of truncated confocal, ellipsoidal layers of substantially equal length and having a common opening therethrough along a central axis for receiving a micromagnetic memory therein, typically a vertically stacked bubble me... | 11/28/1989 |
| 4868786 | Magnetic bubble memory with main and auxiliary printed wiring film A magnetic bubble memory device comprising a chip assembly having a plurality of bubble memory chips superposed one above the other on a main printed wiring film. The lowermost chip is electrically connected to wiring patterns formed on the main printed w... | 09/19/1989 |
| 4791604 | Sheet random access memory A sheet random access memory (SHRAM) is a truly random access, nonvolatile and transportable memory characterized by the cell density, size and power requirements of smaller dynamic memories but having the nonvolatile character of core memories or magneti... | 12/13/1988 |
| 4731751 | Magnetic bubble memory device A magnetic bubble memory device comprises a magnetic bubble memory chip, a unit for generating a bias field, a magnetic shield, and a unit for compensating the bias field, wherein the thermodependency of the bias field is compensated to approximate that o... | 03/15/1988 |
| 4730271 | Magnetic field confirming case with inclined portions for magnetic bubble memory module A magnetic bubble memory chip is disposed at a position surrounded by a rectangular annular core having two pairs of opposite sides wound by a pair of wires, respectively, and is covered by a case for confining revolving magnetic field, thereby providing ... | 03/08/1988 |
| 4710895 | Magnetic bubble memory module with protected terminals A magnetic bubble memory module containing a magnetic bubble memory device and its analog peripheral circuits mounted on a substrate, having outer input/output lead terminals, allowing the module to be mounted on a conventional printed circuit board insta... | 12/01/1987 |
| 4694423 | Magnetic bubble memory module A magnetic bubble memory module having a rectangular core shaped like a picture frame providing windings on respective two pairs of opposite sides, at least one magnetic bubble memory chip disposed in an area surrounded by the core, a flexible substrate h... | 09/15/1987 |
| 4692898 | Bubble memory bias field structure A bias magnet for a bubble memory device is comprised of a single material low permeability magnet contoured to enhance the magnetic field in the central area of the magnet and is adapted to be slightly larger than the bubble memory chip and in thermal co... | 09/08/1987 |
| 4663737 | Magnetic bubble memory unit In a magnetic bubble memory unit comprising two pairs of windings confronting in parallel each other, a printed circuit board having a magnetic bubble memory chip thereon surrounded by the windings for providing the rotating magnetic field, and a conducti... | 05/05/1987 |
| 4660172 | Storage medium for electronic data processing A storage medium is disclosed which includes a plate having a plurality of taps arranged near the peripheral edges and on each surface thereof. Each tap is connected to a storage element. The taps are arranged near the peripheral edges of both sides of th... | 04/21/1987 |
| 4592014 | Magnetic bubble memory device A magnetic bubble memory device comprises a cassette and a body. The cassette has a bias magnetic field generator adapted to generate a bias magnetic field for sustaining magnetic bubbles within a bubble memory chip and is removed of coils adapted to gene... | 05/27/1986 |
| 4592015 | Magnetic bubble memory module A magnetic bubble memory module comprises a shielding conductor case which encloses therein an annular rectangular parallelepiped core having windings and a magnetic bubble memory chip arranged in a space defined by the annular core. The central portion o... | 05/27/1986 |
| 4567576 | Method for producing a magnetic bias field The invention provides a method for producing a magnetic bias field in a magnetic bubble domain memory device. The method comprises coupling a magnetic bubble domain element with a permanent magnet. The permanent magnet is formed of a rare earth metal-con... | 01/28/1986 |
| 4530072 | Bubble memory bias field structure In a bubble memory package, a contoured, shaped magnet and filler plate combination is provided to shape the magnetic field in a uniform fashion to prevent the loss of magnetic flux density which normally tends to occur in the center of the magnet area of... | 07/16/1985 |
| 4500176 | Method and device for improving a conductive switching grid for switchable magnetic elements An improved conductive grid for a magneto-optic display is shown having individual magnetic and transparent post elements separated from one another by an orthogonal grid-like pattern. Conductors are deposited in each vertical separation and every other h... | 02/19/1985 |
| 4500177 | Method and device for creating switchable redundancy with a magnetic element A nonmagnetic substrate is shown having a magnetic film that has been separated into a grid-like pattern of spaces to form quadrilateral magnetic elements. The spaces are filled with conductors arranged generally in X and Y directions. Each quadrilaterall... | 02/19/1985 |
| 4497545 | Method and device for increasing the density of a plurality of switchable magnetic elements An improved grid pattern is shown for increasing the density of magnetic post elements, within a magneto-optic display, for example, wherein the post elements are separated by a grid-like pattern of spaces which are filled with conductive elements arrange... | 02/05/1985 |
| 4470131 | Bubble memory device and method of manufacturing the same A bubble memory device comprises an insulating substrate holding a bubble memory chip secured thereto, X- and Y-direction driving coils wound on the insulating substrate for providing an in-plane rotating filed to the chip, a lead frame secured to edge po... | 09/04/1984 |
| 4456974 | Magnetic bubble device The specification describes a magnetic bubble device which incorporates a Z coil for providing a test magnetic field in addition to the usually provided bias field. In order to reduce package size the Z coil comprises at least one printed coil 17 formed o... | 06/26/1984 |
| 4429349 | Coil connector Disclosed is an inter-connect board adapted to regularize the means of connecting chip elements, such as coils for a bubble memory, to various related I/O leads, without making this interconnection manually.... | 01/31/1984 |
| 4414646 | Magnetic bubble memory devices A magnetic bubble memory device comprises a common package accommodating a lurality of pairs of memory chips. In each pair, the two chips have bubble propagation patterns in confronting relation which are mirror images of each other and additionally angula... | 11/08/1983 |
| 4377854 | Substrate for magnetic domain device In a field-accessed magnetic domain device package assembly, the magnetic domain device carrier or support, the circuit line or conductor carrier, and the magnetic bias field source are integrally and coactively provided by a common substrate member. The ... | 03/22/1983 |
| 4360899 | Magnetic domain random access memory In a non-volatile random access memory, a selected one of a plurality of magnetic cells arranged in an array on a major surface of a substrate is inductively switched between opposite remanent, i.e. permanent, states upon the simultaneous application of e... | 11/23/1982 |
| 4326267 | Data processing system employing portable cards and operating stations making use of magnetic bubble elements A credit card or security card data processing system employing portable ds including data processing means in each card adapted to be coupled to a data processing station having its own data processing means. In each card a part of the data processing m... | 04/20/1982 |
