A method for manufacturing a structure on a surface of a workpiece (1) is disclosed, the method having the following steps: applying a liquid base layer (2) onto the surface of the workpiece (1); spraying on at least one droplet (3) into the not yet congealed base layer (2), wherein the at least one droplet (3) at least partially, preferably completely, penetrates into the base layer (2); fixing the base layer (2); and at least partially removing the at least one droplet (3). Further, a second method having the following steps is disclosed: spraying on at least one droplet (3) onto the surface of the workpiece (1); applying a liquid base layer (2) onto the surface of the workpiece (1), wherein the base layer (2) flows around the at least one droplet (3) and preferably at least partially covers the at least one droplet (3); fixing the base layer (2); at least partially removing the at least one droplet (3). Finally, a device for performing the methods is disclosed.

A method for producing a metal shaped article having a porous structure includes a mold formation step of forming a mold having a plurality of columnar structures extending from a substrate by performing a resin material supply step of supplying a liquid containing a resin material to a plurality of places of the substrate at intervals in two directions crossing each other, and a curing step of curing the liquid, a sintering target material supply step of supplying a sintering target material to the mold, a removal step of removing the substrate, a degreasing step of degreasing the columnar structures, and a sintering step of sintering the sintering target material.

A composite rebar having ridges formed therein by grinding is buffed and/or coated to reduce the surface roughness caused by fibers extending from the rebar.

A method for manufacturing a structure on a surface of a workpiece (1) is disclosed, the method having the following steps: applying a liquid base layer (2) onto the surface of the workpiece (1); spraying on at least one droplet (3) into the not yet congealed base layer (2), wherein the at least one droplet (3) at least partially, preferably completely, penetrates into the base layer (2); fixing the base layer (2); and at least partially removing the at least one droplet (3).

Further, a second method having the following steps is disclosed: spraying on at least one droplet (3) onto the surface of the workpiece (1); applying a liquid base layer (2) onto the surface of the workpiece (1), wherein the base layer (2) flows around the at least one droplet (3) and preferably at least partially covers the at least one droplet (3); fixing the base layer (2); at least partially removing the at least one droplet (3).

Finally, a device for performing the methods is disclosed.

A method for manufacturing a composite product, including: 1) preparing a composite powder including 10-50 v. % of a polymer adhesive and 50-90 v. % of a chopped fiber; 2) shaping the composite powder by using a selective laser sintering technology to yield a preform including pores; 3) preparing a liquid thermosetting resin precursor, immersing the preform into the liquid thermosetting resin precursor, allowing a liquid thermosetting resin of the liquid thermosetting resin precursor to infiltrate into the pores of the preform, and exposing the upper end of the preform out of the liquid surface of the liquid thermosetting resin precursor to discharge gas out of the pores of the preform; 4) collecting the preform from the liquid thermosetting resin precursor and curing the preform; and 5) polishing the preform obtained in 4) to yield a composite product.

Provided are a hydrogen ion electrode composed of a composite material of polymer resin and nano iridium oxide, the composite material containing 1-10 nm sized nano iridium oxide particles and/or aggregates thereof which are dispersed to be electrically connected to each other in a moldable, thermoplastic, and hydrophobic polymer resin matrix; a pH sensor using the same; and a method for manufacturing the same. The surface of the hydrogen ion electrode shows very fast pH sensitivity when exposed to a sample solution, and the pH sensitivity is approximate to biphasic characteristics. Furthermore, regardless of high reproducibility of pH sensitivity, abrupt pH change, and repetitive use, very low hysteresis, durability due to high physical strength, and high surface regeneration due to polishing are exhibited, and thus, the lifetime of the electrode can be extended and various sizes and shapes of electrodes can be easily manufactured.

A method for vibroblasting surfaces using a vibroblasting machine, said vibroblasting machine being equipped with at least one toroidal shaped process vat (50) which is set in a rotary motion and is suitable for containing workpieces whose surfaces are subjected to a vibroblasting processing, said method including a phase of inputting fine particles belonging to a sandblasting media into said process vat (50) to proceed with a sandblasting action of the surfaces of the workpieces being processed, and a phase of evacuation of said fine particles, characterized in that the phase of inputting fine particles belonging to the sandblasting media into said process vat (50) occurs from top to bottom or tangentially to the circumference of said process vat (50) and to the surface of the vibrating mass (75) of the workpieces and of the media.

A method of fabricating a display device includes: preparing a substrate including emission areas and a non-emission area between the emission areas; forming a bank on the non-emission area to a first height; forming light conversion patterns on the emission areas to a height equal to or less than the first height; polishing a surface of a light conversion layer including the bank and the light conversion patterns so that the surface of the light conversion layer is flat; and forming a filler layer on a surface of the substrate on which the light conversion layer is provided. The polishing of the light conversion layer includes planarizing the surface of the light conversion layer so that the bank and the light conversion patterns have a second height through chemical mechanical polishing utilizing a metallic slurry.

A method for producing packaging for an item and to a packaging for an item is provided. The method provides for the following: providing a container material consisting of a leaf material from a plant; shaping the container material into a three-dimensional packaging container having a container opening and a container edge surrounding the container opening; producing a sealing edge on a top surface of the container edge, wherein the top surface of the container edge is sanded down by sanding; placing an item in the three-dimensional packaging container through the container opening and sealing the container opening by a sealing film, wherein the sealing film is adhesively bonded to the sealing edge in an adhesive-free manner.

In one embodiment, a method of forming an extruded board includes mixing a resin and a foaming agent, melting the mixed resin and foaming agent to form a uniformly colored extrudate, differentially expanding voids formed from the foaming agent within the uniformly colored extrudate by passing the uniformly colored extrudate through a breaker plate, forming a board with the differentially expanded voids and uniformly colored extrudate, and forming lightened portions on an outermost surface of the formed board.