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7473574 |
A phase-change memory element comprising a phase-change memory material, a first electrical contact and a second electrical contact. At least one of the electrical contacts having a sidewall electrically coupled to the memory material.
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7470924 |
A phase change RAM device, has a first metal wiring for a bit line that is separated from a second metal wiring for applying a supply voltage. A method for fabricating the phase change RAM device includes the steps of forming an isolatio...
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7470923 |
With a high-speed nonvolatile phase change memory, reliability in respect of the number of refresh times is enhanced. In a memory cell forming area of a phase change memory using a MISFET as a transistor for selection of memory cells, a ...
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7465952 |
A memory element comprises a first number of electrodes and a second number of electrically conducting channels between sub-groups of two of said electrodes, the channels exhibiting an electrical resistance that is reversibly switchable ...
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7462857 |
A resistance-changing function body includes an object made of a first substance and interposed between a first electrode and a second electrode, and a plurality of particles made of a second substance and arranged within the object so t...
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7459759 |
A magnetic random access memory described in embodiments of the present invention comprises a conductive line, a soft magnetic material which surrounds the conductive line, a gap disposed in a part of the soft magnetic material, and a ma...
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7459717 |
A phase change memory cell includes first and second electrodes having generally coplanar surfaces spaced apart by a gap and a phase change bridge electrically coupling the first and second electrodes. The phase change bridge may extend ...
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7459715 |
A resistance change memory device including: a semiconductor substrate; cell arrays stacked above the substrate, bit lines and word lines; a read/write circuit formed on the semiconductor substrate; first and second vertical wirings conn...
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7456421 |
A programmable resistor memory, such as a phase change memory, with a memory element comprising narrow vertical side wall active pins is described. The side wall active pins comprise a programmable resistive material, such as a phase cha...
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7453082 |
A memory cell and a method of fabricating the memory cell having a small active area are provided. By forming a spacer in a window that is sized at the photolithographic limit, in one embodiment, a pore may be formed in dielectric layer ...
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7449711 |
A phase-change memory device includes a plurality of bit lines extending in a row direction, a plurality of selection lines extending in a column direction, and an array of memory cells each disposed at one of intersections between the b...
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7449710 |
A memory device including a phase change element and a vacuum jacket. The device includes a first electrode element; a phase change element in contact with the first electrode element; an upper electrode element in contact with the phase...
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7443711 |
Programmable impedance devices and methods of fabricating the devices are disclosed. The programmable impedance devices exhibit non-volatile tunable impedance properties. A programmable impedance device includes a first electrode, a seco...
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7427770 |
A memory array having a plurality of resistance variable memory units and method for forming the same are provided. Each memory unit includes a first electrode, a resistance variable material over the first electrode, and a first second-...
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7423327 |
A spin transistor comprises a spin injector for injecting, from a first nonmagnetic electrode carriers with a spin parallel to a spin band forming the band edge of a first ferromagnetic barrier layer, to a second nonmagnetic electrode la...
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7423281 |
The micro electronic device comprises a substrate with a surface and a plurality of storage elements in serial connection formed at the surface of the substrate, a plurality of transistors, each transistor being connected parallel to one...
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7420199 |
A memory cell includes a first electrode comprising a nanowire, a second electrode, and phase-change material between the first electrode and the second electrode.
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7414258 |
A memory device comprising a first pan-shaped electrode having a side wall with a top side, a second pan-shaped electrode having a side wall with a top side and an insulating wall between the first side wall and the second side wall. The...
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7402847 |
A programmable logic circuit, including programmable memory element, suitable for microprocessor applications, and a method of using the circuit are disclosed. The programmable circuit includes at least one logic cell, columns and rows o...
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7402829 |
A silicon/lithium battery can be fabricated from a silicon substrate. This allows the battery to be produced as an integrated unit on a chip. The battery includes a silicon anode formed from sub-micron diameter pillars of silicon fabrica...
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7397060 |
A memory cell device includes a bottom electrode, pipe shaped member comprising phase change material and a top electrode in contact with the pipe-shaped member. An electrically and thermally insulating material is inside the pipe-shaped...
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7394088 |
A memory device with improved heat transfer characteristics. The device first includes a dielectric material layer; first and second electrodes, vertically separated and having mutually opposed contact surfaces. A phase change memory ele...
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7394087 |
A phase-changeable memory device includes a substrate having a contact region on an upper surface thereof. An insulating interlayer on the substrate has an opening therein, and a lower electrode is formed in the opening. The lower electr...
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7393798 |
A PCRAM memory device having a chalcogenide glass layer, preferably comprising antimony selenide having a stoichometric formula of about Sb 2 Se 3 , and a metal-chalcogenide layer and methods of forming such a memory device.
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7391045 |
A three-dimensional phase-change memory array. In one embodiment of the invention, the memory array includes a first plurality of diodes, a second plurality of diodes disposed above the first plurality of diodes, a first plurality phase-...
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7385218 |
A structure in a phase changeable memory cell can include a bottom electrode having an interlayer dielectric layer thereon, the bottom electrode can have a recess therein that extends beyond a boundary between the bottom electrode and th...
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7375365 |
A multilevel phase-change memory, manufacture method and operating method thereof are provided. The memory includes a first phase change layer, a second phase change layer, a first heating layer formed on one surface of the first phase c...
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7374174 |
A memory element comprising first and second electrodes is provided. The first electrode is tapered such that a first end of the first electrode is larger than a second end of the first electrode. A resistance variable material layer is ...
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7365411 |
A PCRAM memory device having a chalcogenide glass layer, preferably comprising antimony selenide having a stoichiometric formula of about Sb 2 Se 3 , and a metal-chalcogenide layer and methods of forming such a memory device.
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7361925 |
The present invention includes a memory cell device and method that includes a memory cell, a first electrode, a second electrode, phase-change material and an isolation material. The phase-change material is coupled adjacent the first e...
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7358520 |
A semiconductor memory cell, a method for fabricating it and a semiconductor memory device. A phase change material region of a storage element of the semiconductor memory cell has been or is formed as a lining region of a wall region of...
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7351992 |
The invention provides for a nonvolatile memory cell comprising a heater layer in series with a phase change material, such as a chalcogenide. Phase change is achieved in chalcogenide memories by thermal means. Concentrating thermal ener...
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7348590 |
A memory cell device includes a first electrode, a heater adjacent the first electrode, phase-change material adjacent the heater, a second electrode adjacent the phase-change material, and isolation material adjacent the phase-change ma...
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7339185 |
A phase change memory device includes a mold layer disposed on a substrate, a heating electrode, a filling insulation pattern and a phase change material pattern. The heating electrode is disposed in an opening exposing the substrate thr...
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7335906 |
A phase change memory device has a semiconductor substrate; a plurality of cell arrays stacked above the substrate, each cell array having a matrix of memory cells for storing resistance values as data determined by phase change of the c...
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7332735 |
A phase change memory element and methods for forming the same are provided. The memory element includes a first electrode and a chalcogenide comprising phase change material layer over the first electrode. A metal-chalcogenide layer is ...
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7330369 |
Systems and methods are disclosed to process a semiconductor substrate by fabricating a first layer on the substrate using semiconductor fabrication techniques; fabricating a second layer above the first layer having one or more NANO-bon...
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7323708 |
A phase change memory device includes a lower electrode and a porous dielectric layer having fine pores on the lower electrode. A phase change layer is provided in the fine pores of the porous dielectric layer. An upper electrode is prov...
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7317200 |
Methods and apparatus for providing a memory device that can be programmed a limited number of times. According to exemplary embodiments, a memory device and its method of formation provide a first electrode, a second electrode and a lay...
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7307269 |
Provided is a phase-change RAM containing a substrate, a lower electrode, a phase-change material, an upper electrode and a thermal dissipation layer, wherein the thermal dissipation layer contains an aluminum-nitride thermal dissipation...
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7307268 |
A memory array having memory cells comprising a diode and a phase change material is reliably programmed by maintaining all unselected memory cells in a reverse biased state. Thus leakage is low and assurance is high that no unselected m...
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7294856 |
To provide an electro-optical device comprising a thin film having a uniform thickness, which is formed by drying liquid droplets filled in a liquid droplet ejection region surrounded by a partition. An electro-optical device comprises p...
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7291857 |
A non-volatile memory ( 1 ) which comprises an insulating substrate ( 11 ) having a plurality of first electrodes ( 15 ) extending therethrough from a front surface of the substrate to a rear surface thereof, a second electrode ( 12 ) fo...
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7288781 |
A microelectronic programmable structure suitable for storing information, and array including the structure and methods of forming and programming the structure are disclosed. The programmable structure generally includes an ion conduct...
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7271403 |
A phase change memory may be made using an isolation diode in the form of a Schottky diode between a memory cell and a word line. The use of Schottky diode isolation devices may make the memory more scaleable in some embodiments.
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7262427 |
A phase change device includes a first contact electrode structure a phase change material and a first insulating material between the phase change material and the first contact electrode structure and a second contact electrode in cont...
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7244956 |
A process for manufacturing a phase change memory cell, comprising the steps of: forming a resistive element; forming a delimiting structure having an aperture over the resistive element; forming a memory portion of a phase change materi...
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7238959 |
A phase change memory device, and method of making the same, that includes a trench formed in insulation material having opposing sidewalls that are inwardly sloping with trench depth. A first electrode is formed in the trench. Phase cha...
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7233054 |
The present invention provides a phase change memory cell comprising (Ge A Sb B Te C ) 1-X (R a S b Te C ) X solid solution, the solid solution being formed from a Ge—Sb—Te based alloy and a ternary metal alloy R—S—Te sharing sa...
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7233017 |
A multibit phase change memory device structured such that a plurality of individual phase change memory devices are aligned in a plan area or vertically, and a method of driving the same are provided. The multibit phase change memory de...
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