Development of world’s First high Reliability Read Method for use in Spin-Torque-Transfer (STT) MRAM
Spin-Torque-Transfer (STT) MRAM is considered as a potential future form of non-volatile memory which can be used as an alternative to flash memory. Searching for an alternative low power non-volatile memory to the currently used NOR flash memory, which is embedded in microcontrollers in mobile phones as well as other electronic devices, is due to the fact that NOR flash memory is reaching the limits of its feasible miniaturization. The new alternative is expected to continue the necessary miniaturization. The practical implementation of STT MRAM faces several technical challenges, one of such challenges is due to the fact that STT MRAM requires memory storage elements that take advantage of the effect in which a current which is passed through a magnetic material such as a magnetic tunnel junction (MTJ) to revers its direction of magnetization, which has the effect of switching between a low resistance and high resistance, to be used for representing the 1s and 0s of digital information, in order for STT MRAM to be used as a non-volatile memory. However, reading the STT MRAM, in order to discover whether the MTJ offers high resistance to current (”1″) or low resistance (”0″) requires a relatively high amount of voltage to correctly determine whether its resistance is high or low. But current passed at this high voltage leaves very little difference between the read-current and the write-current, resulting in erroneous outcome, since any fluctuation in the electrical characteristics of individual MTJs could cause what was intended as a read-current, to have the effect of a wirte-current, resulting in reversal of the direction of magnetization of the MTJ. Read more
Development of high Precision Temperature Sensing device by MURATA
With miniaturization of electronic equipment and with their increasing mounting density, temperature control is becoming an ever vital issue to tackle. Also use of lithium-ion rechargeable batteries as the energy source for electronic equipment such as note-size PCs and electronic tools and HEVs is becoming more common creating a stronger demand for overheat detection of their battery cells. To address this need Murata manufacturing has developed and commercialized “Thermo-String” a tiny high-precision temperature sensing device which uses Chip POSISTOR or a chip NTC thermistor as the detector element. Read more
Super tiny Monolithic Ceramic Capacitor by Murata
Miniaturization of mobile devices and introduction of new advanced functionality on such devices making the available surface board real-estate on them rather scarce, forcing the component manufacturer to come up with a ever smaller form factors component design. One such device is capacitor for mobile devices which have been increasing faced with reduction on their mounting space requirements. But manufacturer of capacitance need to reduce the size of capacitance while maintaining their large capacitance capability. Read more
