Development of Liqualloy Power Inductor Enabling Mobile Devices to Run for an Extended Time
Alps Green Devices has developed power inductor helping the mobile devices to run for a long period of time by lowering the power consumption not only the CPU and the various devices but also the DC/DC converter which are used to supply power after converting voltage. The newly developed Liqualloy power inductor is a new GLMH series from the company. The liqualloy is the inductor’s core material which is a magnetic amorphous alloy created through joint research between Alps Electric and Tohoku University. The use of liqualloy provides ability for minimizing the power loss during conversion, thereby enabling high efficiency especially during low-load operation. Read more
Development of “Liqualloy”, a Power Inductor for High-Current Applications
Alps Green Devices has announced the development of “GLMD Series” Liqualloy™ Power Inductor which is designed for high-current applications such as CPU power supplies in notebook PCs, servers, as well as other type of electronic equipment. The Liqualloy, the core material in the inductor, is a metallic glass with magnetic properties which has been developed jointly with Tohoku University, where it features industry leading low losses. Metallic glass is a type of amorphous metal with a disordered atomic structure, ideal for industrial applications due to its super cooled liquid region like oxide glass helping the new inductor to operate in lower losses than previous inductors, particularly when operating under light loads. Read more
NEC Unveils World’s First Content addressable Memory Capable of Storing Data without use of Power
NEC and Tohoku University have made a joint announcement on development of world’s first content addressable memory (CAM) capable of both maintaining the same level of operation speed and non-volatile operation as existing circuit for processing and storing data without using any power. Read more
Development of Novel Thermoelectric Material Capable of Producing Green Energy
Conversion of heat into electricity occurs by means of various methods, making the development of thermoelectric materials a key factor in generating renewable energy. To make the whole thing work, the thermoelectric material must be highly conductive electrically, but not thermally. Through this requirement, rattling type of vibration of atoms in cages of clathrate compounds has offered a key finding in reducing thermal conductivity in thermoelectric materials. Based on this, group of researchers at Tohoku University has successfully, photographed the rattling vibration of barium ions in a clathrate (Ba8Ga16Sn30) by terahertz light. The research has been conducted in collaboration with Hiroshima University. Read more
Development of Micro Flowreactor, a Device for Evaluating Combustion Characteristics of Fuels in Automobiles
Group of researchers at Tohoku University in Collaboration with IHI has successfully developed “Micro Flowreactor” a fuel characterization device for evaluating combustion characteristics such as gasoline in automobiles through use of micro combustion technologies which enables the gas combustion with in a narrow tube where flames can be survived. The Micro Flowreactor is used for measuring the octane ratings an essential measurement for engine development. The newly developed consists of air-fuel mixture generating system, a small-inside-diameter glass tube, an external heater and imaging device with special optical filters. The way it works is that the temperature of air-fuel mixture within micro-diameter glass tube increases as it goes toward downstream where a temperature is maintained at high level due to an external heater. Read more
Development of Novel Material for use in Involatile Phase-Change Random Access Memory
Group of Japanese researchers at Tohoku University has successfully developed materials for Ge-Cu-Te phase-change random access memories (PCRAM) featuring a high thermal stability and a low melting point. The new development was with an aim to resolve such problem as data loss under the environment at high temperature, helping to save data for period of ten years under the environment at more than 125 degrees Celsius. In addition to this the new material will help to reduce power consumption for data rewiring. Read more
Development of Industry’s First Ultra-Fast Pulsed Blue-Violet Semiconductor Laser
Tohoku University, Advance Materials Laboratories and Sony have jointly developed, industry’s first ultra-fast pulsed ultra-violet semiconductor laser, paving the way for practical light-source in next generation large capacity optical disc as well as nano-fabrication. The newly developed blue-violate semiconductor laser features a dramatic improvement in peak laser beam output levels, at 100 times in comparison to current highest levels. This all-semiconductor picosecond pulse source laser with a wavelength of 405 nanometer is capable of generating optical pulses in the ultra fast duration of 3 picoseconds, with ultra-high output peak power of 100 watts and repetition frequency of 1 gigahertz. This was made possible through newly developed proprietary GaN-based mode-locked semiconductor laser and semiconductor optical amplifier. The new technology can contribute to drastic reduction of size of light source box. The new semiconductor laser is capable of using a nonlinear optical process known as two-photon absorption, occurring in an event of high intensity optical pulses. Read more
Development of Novel Technology Converting Sea Algae into Ethanol
Group of researchers at Tohoku University and Tohoku Electric Power has successfully developed a efficient production technology for converting sea algae into ethanol, as a candidate for alternative energy source to fossil fuels. The research was part of an effort in seeking production technology of bio-ethanol using nonfood biomass, in light of increasing food prices, including corns and soy beans, alternative sources in producing bio-ethanol. Normally, there is a large amount of sea algae flow into a seawater cooling system at thermal power plants, which usually being disposed of. Read more
Development of Double-Helical Silicon Microtubes by Japanese researchers
Japanese researchers at Institute of Multidisciplinary for Advance materials of Tohoku University has newly developed double-helical silicon microtubes. The microtubes was discovered in a study on a new method of silicon crystal formation and high purification of silicon using sodium. The materials that have been used fo synthesis is Natrium Silicide (NaSi), intermetalics. Read more
Development of High-Strength Shape-Memory Alloy at Tohoku University
Researchers at Tohoku University, led by Assistant Professor Toshihiro Omori at Graduate School of Engineering and Professor Ryosuke Kainuma at Institute of Multidisciplinary Research for Advanced Materials, has successfully developed a ferrous high-strength, shape-memory alloy that exhibits a rubber like superelastic strain of 10% to 13%. The researchers have initially developed ferrous polycrystalline bulk alloy exhibiting superelasticity at room temperature through element addition and thermomechanical treatment. Read more
