TECHNOLOGY FOCUS - INORGANIC CHEMISTRY - The inorganic particle of particle is comprised of silicon oxide, zinc oxide, tin oxide, magnesium oxide, antimony oxide, aluminum oxide, magnesium sulfate, calcium sulfate, barium sulfate, strontium sulfate, magnesium carbonate, calcium carbonate, barium carbonate, lithium carbonate, magnesium hydroxide, aluminum hydroxide, zinc hydroxide, Boehmite, white carbon, zirconium oxide hydrate, magnesium oxide hydrate, magnesium hydroxide octahydrate, boron carbide, silicon nitride, boron nitride, aluminum nitride, titanium nitride, lithium fluoride, aluminum fluoride, calcium fluoride, barium fluoride, magnesium fluoride, phosphoric acid tri lithium, magnesium phosphate, hydrogen phosphate magnesium, ammonium poly phosphate, silicate mineral, carbonate mineral, and oxide mineral. The silicate mineral is chosen from group consisting of talc, calcium silicate, zinc silicate, zirconium silicate, aluminum silicate, magnesium silicate, kaolinite, sepiolite, imogolite, sericite, pyrophyllite, mica, zeolite, mullite, saponite, attapulgite, and montmorillonite. The carbonate mineral is chosen from the group consisting of hydrotalcite and dolomite. The oxide mineral is spinel.    TECHNOLOGY FOCUS - ORGANIC CHEMISTRY - The organic particle is comprised of melamine, melamine cyanurate, melamine polyphosphate, and crosslinking polymethyl methacrylate.    TECHNOLOGY FOCUS - POLYMERS - The particle is comprised of polyethylene, polypropylene, polystyrene, polytetrafluoroethylene, polyvinylidene fluoride, polyamide, polyimide, melamine resin, phenol resin, and epoxy resin. The resin is comprised of polyvinylidene fluoride, polytetrafluoroethylene, fluorination vinylidene- tetrafluoroethylene copolymer, ethylene-tetrafluoroethylene copolymer, fluorination vinylidene- tetrafluoroethylene copolymer, ethylene-tetrafluoroethylene copolymer, styrene-butadiene copolymer, hydride, acrylonitrile-butadiene copolymer, and their hydride. The resin is chosen from the group consisting of acrylonitrile- butadiene-styrene copolymer and their hydride, methacrylic acid ester- acrylic acid ester copolymer, styrene- acrylic acid ester copolymer, acrylonitrile- acrylic acid ester copolymer, ethylene propylene rubber, polyvinyl alcohol, polyvinyl acetate, ethyl cellulose, cellulose derivative, polyphenylene ether, polysulfone, polyether sulfone, polyphenylene sulfide, polyether imide, polyimide, polyamidoimide, polyacrylonitrile, polyvinyl alcohol, polyether, acrylic acid resin, polyester, and polyethyleneglycol.