The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2002
Filed:
Feb. 25, 2000
Paolo Milani, Pavia, IT;
Paolo Giuseppe Carlo Piseri, Milan, IT;
Emanuele Barborini, Pizzighettone, IT;
Istituto Nazionale per la Fisica Della Materia, Genoa, IT;
Abstract
There is disclosed an apparatus for production of nanosized particulate matter by vaporization of solid materials, comprising a first chamber ( ), a vacuum pump ( ) connected to the first chamber ( ), a body ( ) inserted in the first chamber ( ), a cavity ( ) formed in the body ( ), means ( ) for in-feeding a gas flow ( ) to the cavity ( ), an anode ( ) and a cathode ( ) partly inserted in the cavity ( ), a power supply ( ) to apply a voltage between the anode ( ) and cathode ( ), and a nozzle ( ) communicating with the cavity ( ) and conveying a beam ( ) of particles consisting of vaporized material from the cathode ( ), the cathode ( ) being disposed facing the gas flow ( ) to intercept the latter, and the anode ( ) and cathode ( ) being positioned so as to allow propagation of an electrical discharge to the gas flow ( ) and ionization of the gas itself.