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Dense Plasma Sources for Conventional and PI³ Implanters
S. A. Nikiforov,H. S. Lee,G. H. Kim,G. H. Rim 한국조명·전기설비학회 1999 한국조명·전기설비학회 학술대회논문집 Vol.1999 No.-
Both conventional and PI³ implanters require dense plasma sources for high productivity rate, and small sheath expansion in PI³ besides. The problem of the creation of large volume uniform plasma in PI³ facilities replaces that of beam forming in accelerators. Some aspects of ion extraction in both cases and Langmuir probe plasma diagnostics will be discussed. Plasma parameters of large volume multicusp do hot cathode and inductively coupled RF plasma sources obtained with Langmuir probe and ion mass analyzer will be presented. Design features and performances of high current Freeman and ECR ion sources will be described.
Kirillina, Iu.V.,Nikiforov, L.A.,Okhlopkova, A.A.,Sleptsova, S.A.,Yoon, Cheonho,Cho, Jin-Ho Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.12
Deficiencies in wear and frost resistance as well as mechanical strength constitute the main causes of equipment failure under the harsh climatic conditions of the Earth's polar regions. To improve the properties of the materials used in this equipment, nanoparticle composites have been prepared from clays such as kaolinite, hectorite, and montmorillonite in combination with polytetrafluoroethylene (PTFE) or ultrahigh molecular weight polyethylene (UHMWPE). A number of techniques have been proposed to disperse silicate particles in PTFE or UHMWPE polymer matrices, and several successful processes have even been widely applied. Polymer nanocomposites that exhibit enhanced mechanical and thermal properties are promising materials for replacing metals and glass in the equipment intended for Arctic use. In this article, we will review PTFE- and UHMWPE-based layered silicate nanocomposites.
Iu. V. Kirillina,L. A. Nikiforov,S. A. Sleptsova,윤천호,조진호 대한화학회 2014 Bulletin of the Korean Chemical Society Vol.35 No.12
Deficiencies in wear and frost resistance as well as mechanical strength constitute the main causes of equipment failure under the harsh climatic conditions of the Earth’s polar regions. To improve the properties of the materials used in this equipment, nanoparticle composites have been prepared from clays such as kaolinite, hectorite, and montmorillonite in combination with polytetrafluoroethylene (PTFE) or ultrahigh molecular weight polyethylene (UHMWPE). A number of techniques have been proposed to disperse silicate particles in PTFE or UHMWPE polymer matrices, and several successful processes have even been widely applied. Polymer nanocomposites that exhibit enhanced mechanical and thermal properties are promising materials for replacing metals and glass in the equipment intended for Arctic use. In this article, we will review PTFE- and UHMWPE-based layered silicate nanocomposites.