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SAMSUNG Announces First 40-nanometer Device — 32 Gb NAND Flash


Samsung Electronics Co., Ltd., the world leader in advanced semiconductor technology solutions, today announced that it has developed the industry’s first 40-nanometer (nm) memory device. The new 32 Gigabit (Gb) NAND flash device is the first memory to incorporate a Charge Trap Flash (CTF) architecture, a revolutionary new approach to further increase manufacturing efficiency while greatly improving performance. The 32Gb NAND flash memory can be used in memory cards with densities of up to 64-Gigabytes (GBs). One 64GB card can store over 64 hours of DVD resolution movies (40 movies) or 16,000 MP3 music files (1,340 hours).


The CTF design is enabled through the use of a TANOS structure comprised of tantalum (metal), aluminum oxide (high k material), nitride, oxide and silicon. The use of a TANOS structure marks the first application of a metal layer coupled with a high k material to the NAND device.
Via Samsung




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