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SanDisk Launches 32GB Solid State Drive To Replace Notebook HDDs

Samsung Develops First Truly Double-sided LCD



SanDisk Launches 32GB Solid State Drive To Replace Notebook HDDs

SanDisk Corporation introduced a 32GB, 1.8-inch solid state drive (SSD) as a drop-in replacement for the standard mechanical hard disk drive. Initially aimed at enterprise users as the first step toward mass consumer adoption, SanDisk SSD offers durability to keep mobile PCs working in the toughest of conditions and improves the overall user experience.

Previously, large capacity flash-based drives had been used primarily by the military, aerospace and telecom industries, which demanded high performance and reliability under challenging environmental conditions. But now the declining cost of NAND flash memory has made SSD a viable and economically attractive alternative to existing technologies in a wider variety of applications, including mobile PCs aimed at enterprise and consumer users.

Using NAND flash enhanced by SanDisk’s patented TrueFFS flash management technology, SanDisk SSD delivers two million hours MTBF. With no moving parts, it does not need to spin into action or seek files in the way that conventional hard disk drives do.

The new SanDisk SSD achieves a sustained read rate of 62 megabytes/second and a random read rate of 7,000 inputs/outputs per second (IOPS) for a 512-byte transfer – more than 100 times faster than most hard disk drives. According to the press release, a laptop PC equipped with SanDisk SSD can boot Microsoft Windows Vista Enterprise in as little as 35 seconds. It also can achieve an average file access rate of 0.12 milliseconds, compared with 55 seconds and 19 milliseconds, respectively, for a laptop PC with a hard disk drive.

Another advantage of SanDisk SSD is its extremely low power consumption rate compared to the hard disk drive: 0.4 watt during active operation versus 1.0 watt. This is particularly important to extend the battery life for the benefit of enterprise road warriors.

SanDisk SSD 1.8-inch 32GB solid state drive is now available for original equipment manufacturers. It is the first in a range of solutions that SanDisk will be offering to bring flash to the mainstream mobile PC market.

Source: SanDisk Corporation

Samsung Develops First Truly Double-sided LCD

Samsung Electronics announced that it has created the first LCD panel that can produce independent images on each side of a mobile LCD display. Samsung's new double-sided LCD can show two entirely different pictures or sets of visual data simultaneously on the front and back of the same screen. Other conventional double-sided LCDs can only show a reverse image of the same video data.

This new development will replace two display panels with one, thereby reducing overall thickness of mobile products by at least 1mm.

The breakthrough LCD product makes use of Samsung's new double-gate, thin-film transistor architecture. TFT gates are electronic components that convert the necessary voltage at the pixel level, which controls the liquid crystal alignment needed to reproduce on-screen images. Samsung's new double-sided LCD has two gates that operate each pixel instead of one, so the screen on the front can display different images than the one on the back. The double-sided display makes use of Samsung's proprietary Amorphous Silicon Gate (ASG) technology, which accommodates the increased number of TFT gates without increasing the size of the driver integrated circuits. Driver-ICs typically increase in size when more TFT gates are used.

The new Samsung mobile display requires only one backlight, while competitive double-screen LCDs require two. One side of the panel operates in a transmissive mode, while the other operates in a reflective mode. By using a unique reflective design that utilizes the light trapped in the opposing screen's transmissive mode, the reflective mode does not solely rely on external light sources such as the sun.

The double-sided, dual image LCD's efficient use of light to display images in both transmissive and reflective modes promotes slimmer, more cost-effective products.

The new double-sided LCD is 2.6mm thick and 2.22" wide, with QVGA (240 x 320 pixel) resolution, and has brightness values of 250 nits for the front and 100 nits for the rear display. It will be exhibited at the Consumer Electronics Show, which opens in Las Vegas on January 8.

Source: Samsung Electronics

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