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November 24, 1988

FUJITSU IS AT A PROTOTYPE STAGE ON A 4K-BIT MEMORY CHIP USING 14,464 JOSEPHSON ELEMENTS

By CBR Staff Writer

The Japanese may have started doing research into Josephson Junction technology only because IBM was working on it, and IBM may have thrown in its hand because it couldn’t make its Jo-chips work affordably, but Japan Inc is made of sterner stuff, and does seem to be making it work: Fujitsu Ltd is at the prototype stage on a 4K-bit memory chip using 14,464 Josephson elements, the first part to store more than 1M-bit on a Jo-chip; the part is 7.7mm square, and Fujitsu engineers already believe that it will be much faster than other high-speed memories technologies such as Gallium Arsenide; and, let’s not forget, Brian Josephson was a British physicist.

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