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1. (WO2017156402) PROGRAMMABLE ASSEMBLY AND WELDING OF METALLIC NANOPARTICLES INTO DISCRETE NANOSTRUCTURES
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Pub. No.: WO/2017/156402 International Application No.: PCT/US2017/021789
Publication Date: 14.09.2017 International Filing Date: 10.03.2017
IPC:
B22F 9/06 (2006.01) ,B22F 1/02 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
9
Making metallic powder or suspensions thereof; Apparatus or devices specially adapted therefor
02
using physical processes
06
starting from liquid material
B PERFORMING OPERATIONS; TRANSPORTING
22
CASTING; POWDER METALLURGY
F
WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
1
Special treatment of metallic powder, e.g. to facilitate working, to improve properties; Metallic powders per se, e.g. mixtures of particles of different composition
02
comprising coating of the powder
Applicants:
THE GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY OF THE NAVY [US/US]; Naval Research Laboratory 875 North Randolph Street, Suite 1425 Arlington, VA 22203, US
Inventors:
FONTANA, Jake; US
FLOM, Steven, R.; US
NACIRI, Jawad; US
RATNA, Banahalli, R.; US
Agent:
BROOME, Kerry, L.; US
Priority Data:
62/306,94211.03.2016US
Title (EN) PROGRAMMABLE ASSEMBLY AND WELDING OF METALLIC NANOPARTICLES INTO DISCRETE NANOSTRUCTURES
(FR) ASSEMBLAGE ET SOUDAGE PROGRAMMABLES DE NANOPARTICULES MÉTALLIQUES EN NANOSTRUCTURES DISCRÈTES
Abstract:
(EN) Metallic nanorods are welded together in a controllable fashion. A suspension of metallic nanorods coated with an anionic polymer is contracted with linking molecules each comprising a liquid crystal with at least two available carboxylic acid moieties. The nanoparticles to self-assemble into dimers. Irradiation of the dimers with femtosecond radiation forms a metallic junction between them and welds the dimers into fused dimers.
(FR) Selon l'invention, des nanobâtonnets métalliques sont soudées ensemble d'une manière réglable. Une suspension de nanobâtonnets métalliques revêtus d'un polymère anionique est contractée avec des molécules de liaison comprenant chacune un cristal liquide comprenant au moins deux fractions acide carboxylique disponibles. Les nanoparticules peuvent s'autoassembler en dimères. L'exposition des dimères à un rayonnement femtoseconde forme une jonction métallique entre eux et soude les dimères en dimères fusionnés.
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Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)