According to the researchers, a ball of advanced adhesive is placed between layers of chips, allowing up to 100 chips to be stacked without overheating.
"Today's chips including those containing 3D transistors are in fact 2D chips that are still very flat structures," Bernie Meyerson, a vice president of IBM Research, said in a statement.
So far, most increases in computing power have been driven by scientific breakthroughs that allow chip makers to etch ever-smaller circuits onto ever-smaller chip wafers. The new '3D' approach could accelerate gadgets such as tablet computers to unheard-of new speeds.
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