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MAGNITUDE A series of micrographs in which each image is magnified roughly 10 times more than the previous one (left to right) reveals details of a new HP Labs molecule-based 64-bit prototype memory and logic chip. Using a newly patented procedure, researchers patterned a silicon wafer with 625 memory devices (one shown at top right). At the center of each memory circuit, an 8 3 8 array of crossed metal nanowire electrodes (bottom row) sandwiches roughly 1,000 rotaxane molecules forming 64 bits of nonvolatile memory. |
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Chemical & Engineering News |
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