Method for making an array of micro-needles

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United States of America Patent

PATENT NO 9561355
APP PUB NO 20150374966A1
SERIAL NO

14767073

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Abstract

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There is described a method for making an array of micro-needles, comprising the steps of:

    depositing a plurality of drops of a liquid substance comprising a polymer on a surface of a starting substrate;positioning a pyroelectric substrate at a certain distance from the starting substrate in such a way that the drops deposited are positioned between said surface of the starting substrate and a surface of the pyroelectric substrate;varying the temperature of the pyroelectric substrate or a part thereof to induce on said surface of the pyroelectric substrate a charge density such that starting from the drops deposited, under the effect of an electrodynamic force, respective cones are formed having a tip facing towards the pyroelectric substrate;determining a consolidation of the cones, to form said micro-needles, preventing the tip of said cones from contacting said surfaces of the pyroelectric substrate.

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Patent Owner(s)

  • CONSIGLIO NAZIONALE DELLE RICERCHE;FONDAZIONE ISTITUTO ITALIANO DI TECNOLOGIA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Coppola, Sara Sorrento, IT 2 2
Esposito, Eliana Marigliano, IT 1 0
Ferraro, Pietro Naples, IT 13 278
Finizio, Andrea Bacoli, IT 7 22
Grilli, Simonetta Naples, IT 5 11
Netti, Paolo Antonio Naples, IT 3 103
Vecchione, Raffaele Arzano, IT 9 25
Vespini, Veronica Caserta, IT 2 2

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