A method of fabricating an interposer includes: providing a carrier substrate; forming a unit redistribution layer on the carrier substrate, the unit redistribution layer including a conductive via plug and a conductive redistribution line; and removing the carrier substrate from the unit redistribution layer. The formation of the unit redistribution layer includes: forming a first photosensitive pattern layer including a first via hole pattern; forming a second photosensitive pattern layer including a second via hole pattern and a redistribution pattern on the first photosensitive pattern layer; at least partially filling insides of the first via hole pattern, the second via hole pattern, and the redistribution pattern with a conductive material; and performing planarization to make a top surface of the unit redistribution layer flat. According to the method, no undercut occurs under a conductive structure and there are no bubbles between adjacent conductive structures, thus device reliability is enhanced and pattern accuracy is realized.

Methods of reducing crimping damage to polymer and drug coating on a scaffold are disclosed. The methods include physically aging a coating including a coating polymer and drug mixture on a scaffold in a manner that takes into account the differing kinetics of aging, that is, the different temperature dependence of the aging rate of the polymer and drug.

An article includes a first portion including a silicone polymer; a second portion adjacent to the first portion, wherein the second portion includes a thermoplastic polymer including a functional moiety that forms a chemical bond with the silicone polymer. A method of forming an article includes providing a first portion including a silicone polymer; providing a second portion adjacent to the first portion, wherein the second portion includes a thermoplastic polymer including a functional moiety that forms a chemical bond with the silicone polymer; and curing the first portion at a temperature lower than the heat deformation temperature of the thermoplastic polymer to form the chemical bond between the functional moiety of the second portion and the silicone polymer of the first portion.

A method of producing a nanocomposite film includes generating a bilayer film including at least a first layer of at least one nanoparticle and a second layer of at least one material and annealing the bilayer film. A uniform nanocomposite film includes a plurality of nanoparticles dispersed in a polymer matrix, wherein the plurality of nanoparticles form at least 60% by volume of the polymer nanocomposite film.

Provided is a surface treatment solution composition comprising: 30 to 51 wt % of a trivalent chromium compound comprising chromium phosphate (A) and chromium nitrate (B) and having a content ratio of A/(A+B) that satisfies 0.3 to 0.6; 5 to 15 wt % of silane coupling agent; 0.2 to 3 wt % of vanadium-based anti-corrosive rust inhibitor; 3 to 12 wt % of colloidal silica; 0.5 to 5 wt % of polysiloxane copolymer; and 14 to 61.3 wt % of water, a hot dip galvanized steel sheet surface-treated using same, and a manufacturing method thereof. The hot dip galvanized steel sheet treated with the surface treatment solution composition containing trivalent chromium has an excellent corrosion resistance, blackening resistance, pipe-forming oil reactivity, and alkali resistance.

Embodiments of the present disclosure provide a method of manufacturing a metal column using 3D printing technology. The method of manufacturing a metal column includes steps of: creasing a 3D-CAD design for printing the metal column; printing the metal column; pretreating the inner surface of a channel inside the metal column at low temperature; and coating the inner surface of the channel with a stationary phase so that the metal column is capable of separating a gas mixture into components.

An object of the present invention is to provide a phase difference plate for an organic EL display device having excellent light resistance, an organic EL display device, and a method for producing a phase difference plate. The phase difference plate for an organic EL display device of an embodiment of the present invention is a phase difference plate for an organic EL display device having a phase difference layer formed from a composition containing a copolymer having both of a repeating unit A including a photo-alignment group and a repeating unit B including a moiety capable of expressing birefringence having reciprocal wavelength dispersion, in which the photo-alignment group includes a double bond structure of C═C or C═N.

A resin composition according to an exemplary embodiment of the present disclosure includes a first polyol represented by Chemical Formula 1, a second polyol represented by Chemical Formula 2, and a polyisocyanate, wherein the first polyol and the second polyol have a linear structure without a side chain.

##STR00001##

each of Y.sub.1 to Y.sub.4 is H or OH—, at least one of Y.sub.1 and Y.sub.2 is OH—, at least one of Y.sub.3 and Y.sub.4 is OH—, each of X.sub.1 to X.sub.3 is independently a C.sub.1-C.sub.20 alkyl group, the alkyl group includes or does not include an unsaturated bond, —CH.sub.2— in the alkyl group may be substituted or unsubstituted with —CHOH—, and each of n and m is independently 1 to 200.

The present disclosure relates to the technical field of water-based acrylic resin coatings, in particular to a method for creating a water-based acrylic resin coating with high water resistance. It includes the following steps: selecting a commercially available water-based acrylic resin paint; mixing the water-based acrylic resin paint and ethyl acetate to obtain solution A, spraying solution A on a surface of a material or immersing the material in solution A, and then solidifying; mixing lye and a silver precursor solution to obtain solution B; immersing the cured material in solution B and then drying the cured material.

Embodiments provide a hard coat laminated film including a first hard coat, a second hard coat, and a transparent resin film layer in order from the outermost surface layer side, where the first hard coat is formed of a coating material containing no inorganic particles; the second hard coat is formed of a coating material containing inorganic particles; and the hard coat laminated film satisfies the following requirements: (i) the total light transmittance is 85% or more; and (ii) the pencil hardness of the surface of the first hard coat is 5H or higher.