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A Brief History of HTPP:

In the nineties, there was no meeting dedicated to plasmas where European researchers could meet in particular for discussing the programme of the European Community for research and education. The only possibility was to meet in huge international conferences where they were highly dispersed. Moreover the French community was scattered in different societies related to thermal plasmas, discharges at atmospheric pressure, low-pressure plasmas, etc. Therefore, Prof. J. Amouroux who was, at that time, president of the French Society of High Temperatures and Refractory Materials tried to create a policy relay backed by the Research Clubs of Electricity of France (EDF), created by the Research Director of the company J. Fabre and his assistant J. Millet. The aim was not to compete with the ISPC meetings or other plasma international meetings but to organize a European meeting where discussions and collaborations between laboratories could develop in order to achieve better proposals for the new research programme launched by the European Community at that period. It should be underlined that it was not so easy to convince all the researchers of the interest of this approach, especially those of the low-pressure plasma community .

1st meeting


Odeillo, organized by G. Flamand
 Thermal Plasma Processes -TPP

2nd meeting


Paris, organized by  Goldman

3rd meeting


Aachen, organized by Neuchutz

4th meeting


Athens, organized by Rapakoulias

5th meeting


St Petersburg, organized by Dresvin, Amouroux, Fauchais

6th meeting


Strasbourg, organized by Amouroux

7th and 8th meetings


Strasbourg, organized by Amouroux
High-Tech Plasma Processes-HTPP

9th  meeting


St Petersburg, organized by Rutberg and Dresvin

10th meeting


Patras, organized by D. Rapakoulias

11th meeting


Brussels, organized by G. Degrez and M. Delplancke
with the help of J. van der Mullen

First meeting in Odeillo in 1990
After discussions promoted by the Society of High Temperatures and Refractory Materials, G. Flamand organized the first meeting at the location of the French Solar Furnace in Odeillo. More than 150 participants attended this first conference and
in particular colleagues of Eastern countries, the fall of the Berlin wall allowing them to travel more easily, once the currency problem was solved. The success of the meeting relied on the fruitful exchanges on topics such as new applications of thermal plasmas, spheroidization of refractory materials (the ceramic "caviar" according to the late Academician Rykalin), high- power plasma torches, modeling of thermal plasmas coupled with on-line diagnostics, mainly by emission spectroscopy.
Second meeting in Paris in 1992
Two years later the second meeting was held in Paris with the help of the Research Ministry (taking in charge the invitation of 12 Russian colleagues) and researchers of EDF. Dr Goldman hosted the meeting at Supelec, an engineering institute in a suburb of Paris. A workshop on spatial materials was organized as well as a special session for industrial topics.

Poster sessions were organized with a well-known leader for each topic in order to highlight the quality of the young researchers and PhD's students. A poster award was created. At last, cherry on the cake, the conference dinner took placeat Eiffel tower. However, an important questions rose by this meeting was the diffusion of the proceedings. It was solved with the "Editions de Physique" in order to have high quality peer reviewed papers. However as usual the main problem was
to findwho will pay for that edition and who will subscribe to the review.
Third meeting in Aachen in 1994
Prof. Neuchutz organized it, but unfortunately the weather conditions were far to be optimal. The meeting, in spite of a good diffusion remained a bit too discreet, even if the scientific meeting was very living. At last a good dinner together was missing
Fourth meeting in Athens in 1996
Prof. Rapakoulias, from the University of Patras, organized wonderfully the meeting. The location, the sun, the Parthenon, the atmosphere of the hotel Great Britain, facing the Parthenon, have left an unforgettable memory to any attendee. Moreover an exceptional gala dinner in a private museum, as well as dinner meetings at the Piree harbor, together with excellent presentations have really gathered the community. Just prior to the meeting it was decided to create, with the help of Begell House, NY, the High Temperature Material Processes journal and have the meeting proceedings published in a special book, after peer review, by Begell. If the cost of the proceedings can be charged to the meeting registration, the Journal can only survive if the number of subscribers is large enough, which is not yet the case after 14 years of existence, less than one tenth of the authors subscribing to this Journal.
Fifth meeting in St Petersburg in 1998
The most difficult part (logistic problems) was to organize the meeting from France, due to currency problems. However the final result was prestigious with for the meeting opening the presence of the French consul, the President of the Russian Academy of Sciences and the President of the Pierre and Marie Curie French University. Besides the meeting, the return of the remains of the last Russian Tzar Nicolas II, the French victory at the world football cup and the reception of the French consul for July 14th were, together with the quality of the meeting, excellent recollections.
The location of the meeting in a palace along the Neva just in front of the church Peter and Paul, belonging formerly to a brother of the Tzar Nicolas II and now to the Academy of Sciences, was also gorgeous. Begell published the second book of proceedings.
Sixth meeting in Strasbourg in 2000
The previous experiences have shown the necessity to back the meeting by a more powerful organization to give more legibility to our action. That is why we were happy to be supported by EMRS that added a special session for our meeting in Strasbourg. Prof J. Amouroux took in charge the scientific organization. The meeting was a success, because the powerful bursary of EMRS solved most of the technical aspects. The dinner meeting was organized in Old Custom building and we have also had the possibility to participate to a few EMRS festivities. The Awards of our meeting were pompously given to the recipients together with those of EMRS meeting. Again, Begell published the proceedings.
Seventh and eighth meetings in Strasbourg in 2002 and 2004
Of course having meetings in the same place made the sauce tasteless, but for those preparing the meeting it was much easier and moreover the meeting in Strasbourg allowed more participation of people from industry and hybridizations beneficial for the future. It is especially important for plasma processes that are at the interface between different disciplines. Such a position makes the meeting richness but also its brittleness. Prof J. Amouroux took in charge the scientific organization. It is worth noting that at the end of these meetings Prof. J. Van der Mullen proposed the concept of High Technology Plasma Processes. Begell published the proceedings of 2002, but for those of 2004, participants asked to publish the conferences in the HTMP Journal.
Ninth meeting in St Petersburg
Academician Ph. Rutberg and Prof. S. Dresvin organized the meeting at the same location as the previous one in the Palace facing the church Pierre and Paul. Academician Fortov, president of the Russian Academy of Sciences, was present as well as the rector of the Polytechnique University of St Petersburg. Among the new fields approached were the dusty plasmas, nano materials and coatings. Interesting visits of plasma laboratories completed the meeting scientific content.
Proceedings were again published in the HTMP journal.
Tenth meeting in Patras
Prof. Rapakoulias organized it and for the first time neither J. Amouroux and P. Fauchais, hoping that the torch was transmitted, were involved in the organization. The meeting was nice, both for the scientific content and its organization.
Again the Journal HTMP Journal published the proceedings peer reviewed
Eleventh meeting in Brussels

The Eleventh HTPP meeting in Brussels took place from June 28 to July 3 2010. The conference was organized in cooperation with the Belgian Interuniversity Attraction Pole (IAP); Physical chemistry of Plasma-surface Interactions (PSI-ψ).
The scientific program was constructed by a team formed by members of the Technische Universiteit Eindhoven, the IAP and the International Scientific Committee.
Financial support came from the Association Arc Electrique, Belspo (Belgian Science Policy department), Fonds National de la Recherche scientifique, Ocean Optics Inc., Pôle Génie Mécanique and Solvay S.A..
Apart from fundamental topics, considerable attention was paid to new plasma applications. In line with the HTPP-history it was shown again that European plasma engineering is the main driving force of this conference.
A novelty of HTPP 11 was the model market, a special type of poster session where running plasma models were demonstrated and spectators challenged to assemble their own plasma models using one of the available construction platforms.
For the first time in this series of conferences, the proceedings have been published in a special issue in volume 44 of the Journal of Physics D: Applied Physics, and in volume 275 of Journal of Physics: conference series.
Several of the social highlights were highly appreciated by the participants:  on Tuesday evening we were invited to attend “de Ommegang” on the historical market place, while the conference dinner took place at the spectacular upper sphere of the Atomium, giving a breathtaking panorama over Brussels.

Along these ten meetings about 2000 papers have been submitted, 1500 were accepted for oral or poster presentations and finally about 1200 were published after being accepted by referees. Awards granted to young researchers or PhD's students have helped them both for the recognition and the financial aspects. Money has been regularly granted to foreign colleagues, especially those of Eastern countries, for helping them to participate. Awards granted to researchers have helped them for their career.
(Text by Professors J. Amouroux and P. Fauchais)