Production of nanoparticles and microparticles

A method of producing microparticles including: (a) providing a system including: (i) a vessel containing a liquid; (ii) at least a first pair of electrodes; (iii) a mechanism for igniting an electrical arc between the electrodes; (b) disposing the first pair of electrodes within the liquid, and (c)...

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Bibliographische Detailangaben
Hauptverfasser:	PARKANSKY NAHUM, BOXMAN RAYMON L
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY FERROUS OR NON-FERROUS ALLOYS METALLURGY MICROSTRUCTURAL TECHNOLOGY NATURALLY-OCCURRING ELECTRICITY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTUREOR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS STATIC ELECTRICITY THEIR RELEVANT APPARATUS TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS
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Beschreibung
Zusammenfassung:	A method of producing microparticles including: (a) providing a system including: (i) a vessel containing a liquid; (ii) at least a first pair of electrodes; (iii) a mechanism for igniting an electrical arc between the electrodes; (b) disposing the first pair of electrodes within the liquid, and (c) effecting at least one pulsed electrical discharge between the electrodes so as to produce a plasma bubble, and to produce the microparticles, the microparticles being associated with the plasma bubble, wherein the pulsed electrical discharge has a pulse duration of less than 1000 microseconds, and wherein the pulsed electrical discharge has a current amplitude of at least 1 ampere (A).