The plasma is the forth state of the matter after
solid, liquid, and gaseous state. It is very high temperature state.
The plasma has been used for research in fusion energy for many
years. Recently, so-called "Plasma Application" has been
developed in various areas by use of the low temperature plasma,
rapidly. The surface modification, which modify the surface of the
solid into the one with fantastic characteristics or with new functions,
decomposition of the waste, as well as new types of light sources
are some of the examples. The high technologies in 21st century
involve certainly those plasma applications. In the middle of 21st
century, we expect "Electricity from Fusion Plasma", which
is also one of the attractive points of the plasma technology. The
knowledge of those plasma applications and fusion plasma are limited
to the small number of the industry and research laboratory, and
it is not spread widely. There is large potential in plasma technologies
for invention of the new technology for sustainable development,
and technology cooperation between the developed countries and developing
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