Producing polyurethane-acrylate membrane coated with nickel magnetic film used in micro pumps, involves producing diaphragm and producing microcoil, where diaphragm is produced by preparing polyurethane acrylate membrane

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Producing polyurethane-acrylate membrane coated with nickel magnetic film used in micro pumps, involves producing diaphragm and producing microcoil, where diaphragm is produced by preparing polyurethane acrylate membrane

NOVELTY – Producing polyurethane-acrylate membrane coated with a nickel (Ni) magnetic film involves producing a diaphragm and producing a microcoil, where diaphragm is produced by preparing polyurethane acrylate membrane (PA), performing acid pretreatment, nucleating, performing contact deposition and magnetic deposition. USE – Method for producing polyurethane-acrylate membrane coated with a nickel magnetic film used in micro pumps, sensors and / or microvalves (all claimed). DETAILED DESCRIPTION – An INDEPENDENT CLAIM is included for a method for producing electromagnetic actuated diaphragm micro pump, which involves activating with stannous chloride and palladium (II) chloride and depositing inner layer or contact layer.

Main Application Field

A97 (Miscellaneous goods not specified elsewhere – including papermaking, gramophone records, detergents, food and oil well applications.); G02 (Inks, paints, polishes – polymer-based paints and inks are also classified in Section A (C09D, F, G).); J01 (Separation – including evaporation, crystallisation, solvent extraction, chromatography, dialysis, osmosis including drying gases and/or vapours, and separation of solids from gases, liquids and other solids. Isotope separation, filter materials (including molecular sieves for separation), and centrifuges (except where used for analysis) (B01D, B03, B04, B07B).); L03 (Electro-(in)organic – chemical features of conductors, resistors, magnets, capacitors and switches, electric discharge lamps, semiconductor and other materials, batteries, accumulators and thermoelectric devices, including fuel cells, magnetic recording media, radiation emission devices, liquid crystals and basic electric elements. Growing of single crystals of semiconductors and their doping are included, but semiconductor devices, where the manufacture is not claimed are excluded. Electrography, electrophotography, magnetography, electrolysis, electrophoresis, power plant, X-ray and plasma-techniques, ion exchange resins, polyelectrolytes, electroplating, metal electrodeposition, electroforming, anodising, electrolytic cleaning, cathodic protection and electrolytic or electrothermic production or refining of metals are all covered elsewhere (Sections G, J, K and M).); A14 (Polymers of other substituted monoolefins; including PVC, PTFE.); A25 (Polyurethanes; polyethers.); A82 (Coatings, impregnations, polishes – excluding textile finishing.); P73 (Layered products (B32).)

INVENTORS:

CAMILA DALBEN MADEIRA CAMPOS
EURIPEDES GUILHERME DE OLIVEIRA NÓBREGA

527_MICROBOMBA

Patent number: BR102012007258-A2

PATENT STATUS:

For information contact Inova Unicamp

FOR ADDITIONAL INFORMATION:

parcerias@inova.unicamp.br

+55 (19) 3521-5207 / 2607

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