A flat-pressing manufacturing method of a bionic adhesive structure based on a micro through-hole nickel-based mold is disclosed. The method includes the following steps: preparing a nickel-based mold with a micro through-hole array; placing the nickel-based mold on an elastic pad in a magnetic mold closing system; coating a liquid prepolymer uniformly on a backing, and placing a side of the backing coated with the liquid prepolymer on the nickel-based mold, covering a sealing diaphragm on the backing to separate a cavity into an upper chamber and a lower chamber, and performing a vacuum treatment on the lower chamber and an inflation treatment on the upper chamber to apply a uniform pressure on the backing layer and achieve a full filling of prepolymers with different viscosities; and after the filling is completed, curing and demolding to obtain the bionic adhesive structure.

A large area patterned film includes a first patterned area; a second patterned area; and a seam joining the first patterned area and the second patterned area, wherein the seam has a width less than about 20 micrometers. A method for tiling patterned areas includes depositing a predetermined thickness of a curable material; contacting a first portion of the curable material with a mold; curing the first portion of the curable material; removing the mold from the cured first portion of the curable material; contacting a second portion of the curable material with the mold, such that the mold contacts a portion of the cured first portion of the curable material; curing the second portion of the curable material; and removing the mold to yield a seam between the cured first portion of the curable material and the cured second portion of the curable material, wherein the seam has a dimension less than about 20 micrometers.

A method for manufacturing a molded product with fine structure includes steps of, in a temperature-controlled stamper mold provided with a fine structure including a concavo-convex pattern having a width of 10 nm to 1 μm, forming a thermoplastic molten polymer layer to be in contact with the fine structure 20 of the stamper mold having been kept at a predetermined temperature and holding the thermoplastic molten polymer layer for a predetermined time so as to transfer the fine structure of the stamper mold to the thermoplastic molten polymer layer under gravity.

A method for treating a surface of a wall, that can reduce conductivity thereof, the surface being located in a first area located near a second area in which an electric arc is likely to occur in an electrical protection apparatus, the first area constituting an area for recondensing cutting residue. The method includes micro-texturizing the surface to promote inhomogeneity in recondensation of cutting residue, by growing deposits of the residue on the surface to create islands of residue and thus to restrict conductivity of the resulting deposit.

A method for producing a molded body includes providing a composite including a first plate having a polymer film pressed into its surface, providing a third plate including roughened areas on at least part of one of its surfaces, placing the third plate opposite the polymer film without the third plate touching the composite, heating the third plate to a temperature above the glass transition temperature Tg of the polymer of the polymer film without heating the composite and without the heated third plate coming into contact with the surface of the polymer film, and structuring the surface of the polymer film facing the third plate by a relative movement which removes the third plate from the first plate while the polymer film remains soft and is thus extended lengthwise, thereby forming a modified composite that comprises the molded body.

This application relates to an imprinting apparatus and method. In one aspect, the imprinting apparatus applies pressure between a master substrate and a polymer film to transfer a pattern formed on the master substrate to the polymer film. The imprinting apparatus includes a plurality of coils and the surface of the master substrate is heated by an electromagnetic field induced by the plurality of coils. Through holes are defined in each of the plurality of coils, and support bars are inserted into the through holes. The positions of the plurality of coils are changed corresponding to the master substrate.

A polymeric film including a major surface having a plurality of intersecting extended structures is described. For at least a majority of the structures in the plurality of extended structures: each structure extends along a length of the structure, has an average width along a direction transverse to the length and generally along the first major surface, and has an average height along a direction generally perpendicular to the first major surface; and the average width of the structure may be in a range of 1 to 200 micrometers, the average height of the structure may be in a range of 1 to 200 micrometers, and the length may be at least 3 times the average width. The extended structures may be randomly or pseudorandomly oriented and may be formed by microreplicating a surface of a paper.

Systems and methods for shaping a film. Formable material in an imprint field on the substrate may be contacted with a shaping surface of a template. Outer boundaries of the imprint field correspond to outer boundaries of the shaping surface. Shaping the film includes forming a cured layer within the imprint field while the shaping surface is in contact with the formable material. Shaping the film may include separating the shaping surface from the cured layer. Shaping the film may include moving the template away from the imprint field to a first offset location wherein the outer boundaries of the shaping surface are offset relative to the outer boundaries of the imprint field. Shaping the film may include curing a second portion of the formable material while the template is at the first offset location so as to form the shaped film.

A method of forming micro-channels in a plastic surface using a pressing device includes structuring a micro-channel forming tool for the pressing device to include a press end including a press surface that extends along a plane and a micro-channel detail positioned on the press end and extending beyond the plane of the press surface. The micro-channel detail includes a non-critical portion and a critical portion supported by the non-critical portion. The press end of the micro-channel forming tool is driven into the plastic surface at a predetermined force using a pressing device. Ultrasonic vibrations are applied to the micro-channel forming tool for a predetermined amount of time to melt portions of the plastic surface in contact with the pressing surface. The ultrasonic vibrations are removed after the predetermined amount of time has elapsed and the press end is retracted from the plastic surface.

A simple, cost-effective stamping or molding in the nanometer range is enabled using a stamping surface or molding face with a surface layer having hollow chambers that have been formed by anodic oxidation.