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Books > Computing & IT > Computer programming
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Multichip Module Technologies and Alternatives: The Basics (Hardcover, 1993 ed.)
Loot Price: R5,333
Discovery Miles 53 330
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Multichip Module Technologies and Alternatives: The Basics (Hardcover, 1993 ed.)
Expected to ship within 18 - 22 working days
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Far from being the passive containers for semiconductor devices of
the past, the packages in today's high performance computers pose
numerous challenges in interconnecting, powering, cooling and
protecting devices. While semiconductor circuit performance
measured in picoseconds continues to improve, computer performance
is expected to be in nanoseconds for the rest of this century -a
factor of 1000 difference between on-chip and off-chip performance
which is attributable to losses associated with the package. Thus
the package, which interconnects all the chips to form a particular
function such as a central processor, is likely to set the limits
on how far computers can evolve. Multichip packaging, which can
relax these limits and also improve the reliability and cost at the
systems level, is expected to be the basis of all advanced
computers in the future. In addition, since this technology allows
chips to be spaced more closely, in less space and with less
weight, it has the added advantage of being useful in portable
consumer electronics as well as in medical, aerospace, automotive
and telecommunications products. The multichip technologies with
which these applications can be addressed are many. They range from
ceramics to polymer-metal thin films to printed wiring boards for
interconnections; flip chip, TAB or wire bond for chip-to-substrate
connections; and air or water cooling for the removal of heat.
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