Nanoparticles and method for making the same Number:7,259,101 from the United States Patent and Trademark Office (PTO) owispatent

Title: Nanoparticles and method for making the same

Abstract: A method for making nanoparticles, nanoparticle inks and device layers therefrom is disclosed. In accordance with the present invention, nanoparticles are isolated from a composite material that is formed by treating a metal oxide precursor to form the metal nanoparticles and a metal oxide matrix. The nanoparticles are then isolated from the composite material by etching at least a portion of the metal oxide matrix to release the metal nanoparticles. In accordance with the embodiments of the invention, the nanoparticles are treated with surfactants and wetting agents either while etching or after etching, are isolated from the etchant and dispersed in a solvent medium and/or are otherwise treated or modified for use in a nanoparticle inks. A layer of the metal nanoparticle ink can then be used to form doped, undoped, patterned and unpatterned device layers or structures in micro-devices.

Patent Number: 7,259,101 Issued on 08/21/2007 to Zurcher,   et al.

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Inventors:	Zurcher; Fabio (Brisbane, CA), Ridley; Brent (San Carlos, CA), Kunze; Klaus (Half Moon Bay, CA), Haubrich; Scott (Castro Valley, CA), Rockenberger; Joerg (Redwood City, CA)
Assignee:	Kovio, Inc. (Sunnyvale, CA)
Appl. No.:	11/271,042
Filed:	November 10, 2005

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Related U.S. Patent Documents

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	Application Number	Filing Date	Patent Number	Issue Date
	10339741	Jan., 2003	7078276

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Current U.S. Class:	438/700 ; 205/674; 438/742; 438/745; 977/888
Current International Class:	H01L 21/302 (20060101)
Field of Search:	438/479-509,689,722,723,752,753,756,779,888

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References Cited [Referenced By]

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