Samsung Electronics Co., Ltd.

Sunam Co., Ltd.

Lg Electronics Inc.

Seoul National University

Cambridge Enterprise Limited

Seung-Hyun Moon

Ki-Hwan Choi

Hoon-Soo Park

Jae-Sung Sim

Joong-Jin Hwang

Kyung-Tae Park

Jung-Dal Choi

Sang-jin Park

Jong-seob Kim

Dae-Seok Byeon

Sung-il Park

Jong-Sun Sel

Sung-hoon Lee

Yoo-Cheol Shin

Hyung-Gon Kim

Young-Hwan Choi

Kwang-soo Seol

Jong-hyuk Kim

Geo-Myung Shin

Hong Teuk Kim

Dae-Hyun Jang

Eun-Song Um

Sang-Im Yoo

Byungdu Oh

Sung-Won Yun

Young-Su Jung

Hee-Goo Kang

John Feighan

Ahmed Kurusumovic

Judith Driscoll

Provided is a superconducting wire. The superconducting wire comprises a substrate, a superconducting film on the substrate and a pinning center in the superconducting film. The superconducting film includes YREBCO and the pinning center has an additive of BaYNbO.

Superconducting wire and method of forming the same

Disclosed is an operating method of a flash memory device, which includes normal memory cells and dummy memory cells. The operating method includes programming the normal memory cells and programming the dummy memory cells. A dummy pass voltage used for programming the dummy memory cells is different from a normal pass voltage used for programming the normal memory cells.

Flash memory device and operating method of flash memory device

A method for forming a precursor solution for metal organic deposition includes dissolving an additive-free first precursor composed of a rare earth element, a second precursor comprising barium, and a third precursor composed of copper into an acid to form a compound solution; dissolving the compound solution into a solvent to form a pre-precursor solution; and evaporating the solvent from the pre-precursor solution to form a precursor solution having an increased viscosity; wherein at least one of the first precursor, the second precursor, and the third precursor is dissolved into a fluorine-free acid. A method for forming a superconducting thick film from the above precursor solution includes forming a thick film by a one-time coating of the precursor solution having an increased viscosity onto a biaxially-textured base followed by heat treating to form the superconducting thick film having a thickness of about 0.2 &#x3bc;m or more and having no cracking.

Method of forming a precursor solution for metal organic deposition and method of forming superconducting thick film using the same

Operation methods of charge-trap flash memory devices having an unused memory cell for data storage and a normal memory cell used for data storage are discussed. The operation method may include selecting the unused memory cell, and programming the unused memory cell to have a predetermined threshold voltage. The charge-trap flash memory device may thus be provided with improved reliability by interrupting erasure stress to unused memory cells.

Charge-trap flash memory device with reduced erasure stress and related programming and erasing methods thereof

Provided is a method of operating a nonvolatile memory device to perform an erase operation. The method includes applying a composite pulse including a direct current (DC) pulse and a DC perturbation pulse to the nonvolatile memory device to perform the erase operation.

Method of operating nonvolatile memory device

A lock-out circuit is adapted to selectively perform a lock-out function in an integrated circuit device. The lock-out function cuts off the supply of an operating voltage to the integrated circuit device whenever a power supply voltage for the device falls below a predetermined detection voltage. However, the lock-out function is disabled whenever the integrated circuit device performs an operation requiring a power supply voltage lower than the predetermined detection voltage.

Method and apparatus for selectively performing lock-out function in integrated circuit device

An optical fiber cable includes a plurality of loose tubes and an outer jacket for binding the loose tubes is disclosed. Each of the plurality of loose tube includes one or more optical fibers; an inner jacket for binding the optical fibers; and an antistatic fluid applied between the optical fibers to prevent or reduce the generation of static electricity between the optical fibers.

Optical fiber cable

An optical fiber cable suitable installation using an air-blown method is disclosed. The optical fiber cable has a center tensile member located at a center of the optical fiber cable to provide tension-resistant force, at least three loose tubes each of which includes at least one optical signal transmitting medium, and located to surround a peripheral portion of the center tensile member, a binder surrounding the loose tubes to maintain an alignment pattern of the loose tubes, and a sheath located at an outermost portion of the optical fiber cable. The optical fiber cable has a polygonal sectional shape having smooth edges.

Optical fiber cable suitable for installation using an air-blown installation method

Disclosed is an air-blown fiber-optic cable including: a central tensile member which is located axially through the center of the optic cable and provides a tension-resistant force; a plurality of loose tubes wound around the tensile member, each tube housing a plurality of optic fibers therein; aramid yarns for binding the loose tubes; and an outer sheath disposed on the outermost part of the optic cable to protect the interior thereof from the exterior environment.

Air-blown fiber optic cable

An optical fiber cable for air-blown installation includes optical fibers acting as a medium for transmitting optical signals; a tube binding the optical fibers; string fillers surrounding the outer periphery of the tube at a predetermined spacing, tensile members positioned between the string fillers to surround the outer periphery of the tube for improving the tensile force of the optical fiber cable; and an outer sheath formed in a flexuous shape to surround the outer circumferences of the string fillers and the tensile members.

Optical fiber cable for air-blown installation

A compact optical cable comprises a tube having the shape of a hollow cylinder and including multiple cores of optical fibers mounted therein; a sheath formed by an extrusion process to surround the tube at a certain thickness; a plurality of strength members arranged inside the sheath; and, a plurality of pads arranged inside the sheath to ensure that each pad intervenes between the tube and the strength members.

Compact optical cable

A magnetometer using a plurality of superconducting quantum interference devices (SQUIDs) includes a detecting part composed of a plurality of SQUIDs each detecting external magnetic flux, converting the detected external flux into a voltage value, and outputting a differential voltage of the converted voltage value, a signal-processing part for modulating, amplifying, and demodulating the differential voltage outputted by the detecting part, and a feedbacking part for converting a signal outputted by the signal-processing part into magnetic flux to feedback the signal to the loop of the SQUIDs.

Growing community of inventors

Seoul, South Korea

Seung-Hyun Moon