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The various technologies needed to build a successful electron-beam-addressed memory (EBAM) have been evolving for over a decade, and are now sufficiently established to build a viable, economical system. Recent work at SRI indicates that EBAM will be an important contender for low-cost, large memory systems with improved random-access capability, high reliability, and high data rates. This will be achieved in small volume and without the use of moving parts. The potential applications of such a mass memory system are widespread, ranging from direct drum and disk replacement to new systems with architectures that would take advantage of improved random access times and increased data rates.