Release of High-Power Wide Electrode Type Chip resistors for Current Detection by ROHM

September 14, 2010 · Filed Under Trendy Products · 1 Comment 

ROHM made an announcement on development of high power, high reliability ultra-low ohmic chip resistors which is ideal for current detection in automotive applications. The new PML100 Series. Large current resistors, which are capable of handling up to a few dozen amperes, are typically come in relatively large sizes, such as 6432. However, the large size requires a large mounting area which increases the possibility of solder joint failures due to repeated expansion and contraction caused by thermal stress under severe operating environment such as large temperature changes or high humidity. Read more

Development of New Flash Memory Macro by FUJITSU

March 25, 2010 · Filed Under Green Tech, Trendy Products · 1 Comment 

Fujitsu Microelectronics has developed a new NOR flash memory macro, capable of high-speed read operations, while operating at low power currents. The new flash memory macro is guaranteed to retain program data storage for 20 years, or 100,000 write/erase cycles for data storage, and at the same time will improve the access speed by 2.5 times to 10 nanoseconds as well as reducing the required operating current per cell by two thirds to 9 microseconds, in comparison to Fujitsu’s previous products, according to the company. Read more

Development of world’s First high Reliability Read Method for use in Spin-Torque-Transfer (STT) MRAM

February 11, 2010 · Filed Under Trendy Products · 1 Comment 

Fujitsu STT MRAMSpin-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

Release of Industry’s Thinnest LEDs by ROHM

November 11, 2009 · Filed Under Green Tech, Trendy Products · 1 Comment 

Rohm now offers to the world industry’s thinnest LEDs. The PICOLED series by the company comes in a tiny 0.2mm thick package offering a high brightness. The newly developed PICOLED offers no brightness degradation in comparison to conventional products and at the same time achieves a reduction in mounting area and volume of 53% and 74% respectively over the standard 1608 size contributing to device miniaturization. Read more

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