Abstract:
Disclosed is a digital garment that can provide a high-speed communication path by using a digital band that is quickly and easily attachable to a conventional garment (clothes), and a fabricating method thereof. The digital garment includes: a garment formed of textile; a digital band provided along the outside or inside of the garment so as to provide a communication path; a sensor, attached to the garment, being electrically coupled to the digital band, converting a physical signal into an electrical signal; an operation device, attached to the garment, being electrically coupled to the digital band, receiving the electrical signal from the sensor and processing the signal; and a communication module, attached to the garment, being electrically coupled to the digital band so as to perform wireless communication.
Abstract:
A method of manufacturing an electrochromic polyaniline thin film changeable in color in dependency upon the supply of electricity is provided. The method comprises the steps of polymerizing aniline monomer into polyaniline polymer, separating the polyaniline polymer, liquefying the separated polyaniline polymer into a dispersing solution using a mixed surfactant, and dissolving an UV curing adhesive in the dispersing solution, whereby the polyaniline thin film has the ductility and improved adhesion force for an electric substrate, so that it is applicable to development of a flexible display and as a next generation hi-tech material.
Abstract:
The present invention relates to a method of producing biofuel, more specifically a method of producing biofuel comprising the steps of generating monosugars from marine algae, or from polysaccharides extracted from marine algae by treating the marine algae or the polysaccharides with a hydrolytic enzyme and/or a hydrolytic catalyst; and fermenting the monosugars using a microorganism to produce biofuel. The method of producing biofuel of the present invention solve the problem of raw material suppliance since it uses marine algae as a raw material for biomass, and reduce the production costs by excluding lignin eliminating process that has been required by the conventional method using wood-based raw materials, resulting in economic and environmental advantages.
Abstract:
The present invention provides a method for manufacturing a continuous microlens on a light guiding plate using a semiconductor reflow process. The method comprises a first step of aligning a mask, which includes a first region through which light can be transmitted and a plurality of second regions through which light cannot be transmitted, on a substrate coated with a photoresist and performing a light-exposing process; a second step of developing the light-exposed substrate to obtain a plurality of photoresists in the form of posts; a third step of performing a reflow process to allow the post-shaped photoresists to be curved until the post-shaped photoresists are combined with photoresists adjacent thereto in one direction to form a continuous microlens feature; a fourth step of fabricating a depressed stamper such that the photoresists defining the continuous microlens feature are engraved in a depressed fashion in the depressed stamper; and a fifth step of forming a light guiding plate by using the depressed stamper as a mold such that the continuous microlens is formed in the light guiding plate in a raised pattern.
Abstract:
Disclosed is a digital garment using embroidery technology. In the digital garment, a digital embroidery pattern is formed on a common garment to provide a communication path, an antenna pattern, etc. The digital garment comprises a garment made of a textile and having one side and the other side opposite to each other, a digital embroidery pattern formed along the inner or outer surface of the garment using embroidery technology to provide a communication path to the garment, a sensor attached to the garment and electrically connected to the digital embroidery pattern to convert physical signals to electrical signals, an arithmetic unit attached to the garment and electrically connected to the digital embroidery pattern to process the electrical signals inputted from the sensor, and a communication module attached to the garment and electrically connected to the digital embroidery pattern to perform wireless communication. Further disclosed is a method for fabricating the digital garment using embroidery technology.
Abstract:
A digital garment and a fabrication method thereof are provided. The digital garment is fabricated using a knitting technique. The digital garment comprises a plurality of knitting yarns forming loops at regular intervals and interwoven through the loops, and one or more conductive digital yarns tied to the loops of the knitting yarns to form high-speed information communication circuits. The knitting yarns and the digital yarns are knitted together into a garment. During knitting, the digital yarns are used to form high-speed information communication circuits in a rapid and economical manner.
Abstract:
Disclosed are an anticorrosive composition and a preparation method thereof, in which a general anticorrosive coating composition, composed of a monomer or a polymer having a reactive group, dissolved in an organic solvent, and a curing agent, as main components and an additive, further includes organoclay that is dispersed in the main components using ultrasonic waves. The method of preparing the composition includes uniformly dispersing organoclay in a monomer or a polymer having a reactive group, dissolved in an organic solvent, and/or a curing agent having an amine group, using ultrasonic waves, mixing the monomer or polymer having a reactive group with the curing agent, in which the organoclay is uniformly dispersed, and then adding an additive thereto. The anticorrosive composition can be used in various coatings including a zinc steel plate for automobiles, therefore remarkably increasing corrosion resistance.
Abstract:
The present invention relates to a localization system and method for a mobile object. An object of the present invention is to provide a localization system and method for a mobile object capable of obtaining precise stable position data against changes in light intensity and vibration of the mobile object and reducing operation loads of a control system disposed in the mobile object, as compared with a conventional case. Accordingly, the present invention provides a localization system for a mobile object mainly including a localization module which is mounted in the mobile object and comprises one or more optical indicators, an RF transceiving means, and a processing unit for receiving location information on the optical indicator from a sensing module and calculating a position and direction of the mobile object, and a sensing module which comprises an optical sensing means for detecting an optical signal emitted from the optical indicator of the localization module, an RF transceiving means, and a processing unit for obtaining the location information on the optical indicator from the optical signal detected by the optical sensing means. In addition, in the localization method according to the present invention, a position of the mobile object is not measured by using an own sensor disposed in the mobile object, and the localization module receives position information measured by the sensing module installed in outside through wireless communication and uses the position information to confirm a position thereof.
Abstract:
The present invention relates to a method for manufacturing a dental scaler tip using a powder injection molding process which can produce the article in large quantities to save the manufacturing cost and forms an eccentric discharge port of a scaler tip to operate the mould using only one core pin, a mould used for the same that is provided with slide cores having the various shapes machined according to the article to enable the uniform article to be manufactured rapidly to enhance a characteristic and design of the article, and a scaler tip manufactured by the same that is more excellent in shape-reliability and injects fluid to a front end thereof along a curved section of the tip section to perform effectively an operation. In order to embody the above structure, the method for manufacturing a dental scaler tip consisting a coupling section mounted to the equipment and having a fluid passage formed therein and a curved shaped tip section extended from the coupling section, through a powder injection molding process, comprises the steps of preparing feedstock for injection by means of mixing raw material powder for the powder injection molding process containing titanium (Ti) or stainless steel with high molecular binder; and injecting the feed stock into a mould to form a molding body, wherein, the mould comprise an operating section to which cylindrical shaped core pins having multi steps and an eccentric end formed at a front end thereof for forming the fluid passage of the scaler tip is mounted; and a pair of slide cores disposed for supporting the eccentric ends of the core pins such that the slide cores face to each other and are slid in the direction perpendicular to the movement direction of the core pins to form a cavity corresponding to a shape of an article to be formed by an injecting process.
Abstract:
The present invention relates to a method of manufacturing an asymmetric pyramid microlens on a light guide plate. The method of the present invention comprises a first step of aligning a mask on a substrate coated with a photoresist, the mask being composed of a first region through which light can be transmitted and a plurality of second regions through which light cannot be transmitted; a second step of performing inclined light exposure at least once such that light is radiated from an upper side to a lower side of the second regions at an asymmetric inclination angle in at least one direction; a third step of developing the substrate subjected to the inclined light exposure and obtaining a plurality of photoresists each taking the shape of an asymmetric truncated pyramid; a fourth step of fabricating an engraved stamper in which the photoresists each taking the shape of the asymmetric pyramid microlens are formed in an engraved fashion; and a fifth step of forming a light guide plate by using the engraved stamper as a mold such that the asymmetric pyramid microlenses are formed on the light guide plate in an embossed fashion. According to the present invention as described above, since an asymmetric pyramid microlenses can be manufactured by means of photoresists formed through an inclined light exposure process, a fine asymmetric pyramid microlens array pattern can be manufactured through a simple manufacturing process. Therefore, there is an advantage in that production costs and time can be reduced.