Photo-patternable multifunctional polymer nanocomposite
AssigneeIndian Institute of Technology Bombay
InventorsRamgopal Rao, Prashanthi Kovur
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Abstract
The invention provides a photo-patternable multifunctional polymer nanocomposite. The nanocomposite comprises a solvent suspension of multiferroic nanostructures uniformly dispersed in SU-8 polymer matrix. The invention also provides a composite comprising a substrate and a photo-patterned multifunctional polymer nanocomposite layer formed on the substrate. The nanocomposite layer comprises a UV-photolithographed SU-8 polymer having a solvent suspension of multiferroic nanostructures uniformly dispersed in the polymer matrix.
Claims19
A photo-patternable multifunctional polymer nanocomposite comprising a solvent suspension of multiferroic nanostructures uniformly dispersed in SU-8 polymer matrix.
A process for preparing a photo-patternable multifunctional polymer nanocomposite comprising making a suspension of multiferroic nanostructures in a solvent and then dispersing the said suspension in SU-8 polymer matrix.
A method of making a composite comprising a substrate and a photo-patterned multifunctional polymer nanocomposite layer formed on the substrate, wherein the photo-patterned multifunctional polymer nanocomposite layer is formed by:
- a) dispersing a solvent suspension of multiferroic nanostructures in SU-8 polymer matrix;
- b) spin-coating the dispersion onto one side of the substrate to form a layer on the substrate;
- c) evaporating solvents from the layer by soft-baking the layer;
- d) photo-patterning the layer by UV photolithography;
- e) developing the layer to yield photo-patterned cross-linked nanocomposite on the substrate;
- and
- f) removing weakly bonded multiferroic nanostructures from the layer.
A composite comprising a substrate and a photo-patterned multifunctional polymer nanocomposite layer formed on the substrate, wherein the nanocomposite layer comprises a UV-photolithographed SU-8 polymer having a solvent suspension of multiferroic nanostructures uniformly dispersed in the polymer matrix.
Dependencies are inferred from the claim text.