Methods and apparatuses for positioning nano-objects with aspect ratios

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United States of America Patent

PATENT NO 9121108
APP PUB NO 20130284598A1
SERIAL NO

13871148

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Abstract

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A method for positioning nano-objects on a surface and an apparatus for implementing the method. The method includes: providing a first surface and a second surface in a position facing each other, where one or more of the surfaces exhibits one or more position structures having dimensions on the nanoscale; providing an ionic liquid suspension of the nano-objects between the two surfaces, where the suspension comprises two electrical double layers each formed at an interface with a respective one of the two surfaces, and the surfaces have electrical charges of the same sign; enabling the nano-objects in the suspension to position according to a potential energy resulting from the electrical charge of the two surfaces; and depositing one or more of the nano-objects on the first surface according to the positioning structures by shifting the minima of the potential energy towards the first surface.

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Patent Owner(s)

Patent OwnerAddress
INTERNATIONAL BUSINESS MACHINES CORPORATIONNEW ORCHARD ROAD ARMONK NY 10504

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Duerig, Urs T Rueschlikon, CH 91 618
Holzner, Felix Langnau am Albis, CH 8 87
Knoll, Armin W Adliswil, CH 69 317
Riess, Walter H Thalwil, CH 17 329

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