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The 20
th
International VacuumCongress (IVC-
20) and the 16
th
International Conference on
Solid Surfaces (ICSS-16) were organised
by the Korean Vacuum Society (KVS) at the
BEXCOConvention Centre of Busan in Korea
from 21 to 26 August 2016, in conjunction
with the International Conference on
Nanometer Science and Technology (ICN+T
2016) and the 8
th
Vacuum and Surface
Science Conference of Asia and Australia
(VASSCAA-8). Three other conferences were
associated: the 6
th
International Symposium
of Plasma Biosciences (ISPB 2016), the
25
th
Anniversary Symposium of the KVS
and an Industrial Topical Conference (ITC
2016) which was held for two days to foster
industrial collaboration. The General Chair of
the Congress was Hee-Jae Kang and the
Chair of the Program Committee was Yang
Kuk. There was a total of 2370 attendees (of
which 1620 to the conference and 750 to the
exhibition) coming from 45 countries, with
2082 coming from Asia (including 1655 from
Korea, 211 from Japan and 134 from China),
220 from Europe and 64 from Americas.
8 plenary, 602 oral (including 138 invited) and
746 poster contributions were presented
during the conference in 122 oral and
3 poster sessions. A public lecture was also
given by the Nobel laureate Erwin Neher,
focused on basic science and the qualities
that make a good scientist. It was attended
by over 300 people, mostly local high school
students. In addition to 13 topics covering
the IUVSTA divisions, 4 specific themes
were selected by the KVS: 2D materials
and devices (2DMD), Alternative Energy
(AE), Advances Semiconductor and Display
Devices (ASDD) and Plasma Bioscience
and Medicine (PBM). To raise the public’s
awareness of the vacuum science and
technology field, KVS organised a public
lecture with a Vacuum Experience Center
in celebration of its 25
th
anniversary. The
Vacuum Experience Center was consisting
of 15 exhibits which taught about common
vacuum techniques found in daily life. It was
operating in the exhibition hall and open
to general public. There were 153 booths
representing 94 companies at the Equipment
Exhibition, which was coordinated by the
KVS Director of Industrial relations, Jang-
Hun Joo. At the conclusion of the congress
the KVS made a donation of
€
30,000 to the
IUVSTA.
The 21
st
International Vacuum Congress
(IVC-21) and the 17
th
International
Conference on Solid Surfaces (ICSS-17)
will be hosted by the Swedish Vacuum
Society in Malmö, Sweden, between
1 and 5 July 2019, in conjunction with the
International Conference on Nanoscience
and Technology (ICN+T 2019). The Chair of
the Congress Organising Committee will be
Pär Omling and the Chair of the Program
Committee will be Heiner Linke.
It is clear that this triennial congress
is organised as an important
international gathering of scientists and
technologists working in the relevant
fields. The attendance was boosted
in 1992 when political events made it
much easier for scientists in Eastern
Europe to travel to the west, and in
1998 when the Japanese contingent
increased following their exposure
to this meeting three years before in
Yokohama.
However when the congress is held outside
USA, the contingent from the USA is
always proportionately low compared to the
relevant number of scientists in that country.
This is possibly due to the fact that the
AVS organises a similar large Symposium
covering the same, and more, topics. This
Symposium is held every year, usually in
October, and attracts a very large number
of American and international attendees.
Therefore care is taken to choose a period
removed from that of the AVS Symposium
to hold the IUVSTA triennial congress.
SUMMARY