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Integrated Circuit Technology Advances Continue to Amaze

Wednesday, February 21st, 2018

Despite increasing costs of development, IC manufacturers are still making great strides.

The success and proliferation of integrated circuits has largely hinged on the ability of IC manufacturers to continue offering more performance and functionality for the money. Driving down the cost of ICs (on a per-function or per-performance basis) is inescapably tied to a growing arsenal of technologies and wafer-fab manufacturing disciplines as mainstream CMOS processes reach their theoretical, practical, and economic limits. Among the many levers being pulled by IC designers and manufacturers are: feature-size reductions, introduction of new materials and transistor structures, migration to larger-diameter silicon wafers, higher throughput in fab equipment, increased factory automation, three-dimensional integration of circuitry and chips, and advanced IC packaging and holistic system-driven design approaches.

For logic-oriented processes, companies are fabricating leading-edge devices such as high-performance microprocessors, low-power application processors, and other advanced logic devices using the 14nm and 10nm generations (Figure 1). There is more variety than ever among the processes companies offer, making it challenging to compare them in a fair and useful way. Moreover, “plus” or derivative versions of each process generation and half steps between major nodes have become regular occurrences.

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