Restructurable VLSI-a demonstrated wafer-scale technology

Abstract
Restructurable VLSI (RVLSI) is an approach to wafer-scale integration which has been demonstrated by building six different monolithic silicon, wafer-scale chips for signal processing applications. It is based on the implementation of redundancy by laser microwelding on a finished, tested, packaged wafer. The concept of RVLSI is discussed, the chips built to data are reviewed, and some of the major issues are introduced. Three other papers describe in more detail the laser technology, the software created to design, test, and restructure these systems, some of the knowledge acquired in designing and building the first six circuit types, and the current application of the techniques to new, much more complex designs.

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