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What technology holds the most potential for ICs with 32-nanometer and finer line widths? ZyCube Co. Ltd., a Tokyo-based startup, thinks it has a compelling answer: ZyCube aims to establish a 3-D chip business developing high-capacity, highperformance, smaller, low-power devices.
But the company's two co-founders have revised their aggressive plans to build a fabrication facility next summer (see "Duo has big plans for 3-D circuits," Jan. 24, page 1). At first, they planned to follow a "semifabless" business model. Then, "early this year,...