Abstract: Disclosed is a micro universal serial bus (USB) connector. The micro USB connector according to the present disclosure may include a receptacle contact including a plurality of pins, a receptacle insulator coupled to one surface of the receptacle contact, a support plate disposed on an opposite side to the receptacle contact across the receptacle insulator, and being clear of a part opposite to a pin as a power terminal of the receptacle contact, and a receptacle shell covering an exterior of the receptacle insulator where the receptacle contact and the support plate are supported.

Abstract: A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film.

Abstract: An electrophotographic image forming apparatus includes a recording medium storage unit in which a recording medium is stored, a pickup unit to pick up the recording medium stored in the recording medium storage unit, a pair of transport rollers being engaged with each other to rotate and transport the recording medium picked up by the pickup unit; an image forming unit to form an image on the recording medium transferred by the pair of transport rollers; and a frame including a first support region to support at least one of the pair of transport rollers, and a second support region to support at least a part of the image forming unit, wherein the frame further includes a vibration blocking slit that is disposed between the first and second support regions to block vibration from being transmitted from the first support region to the second support region.

Abstract: A multi-type receptacle connector includes a receptacle insulator, main receptacle contacts arranged at the receptacle insulator to provide an electric contact point corresponding to a universal plug connector, sub receptacle contacts additionally installed at both sides of the main receptacle contacts to give an additional contact point, and a receptacle shell surrounding at least a part of the receptacle insulator, wherein the sub receptacle contacts are arranged at the same height as the main receptacle contacts and disposed at a relatively inner side in the insertion direction of a plug connector in comparison to the main receptacle contacts.

Abstract: There are provided an apparatus and method for separating radioactive nuclides from a waste salt and recovering a refined salt, which are able to maximize process efficiency and operating efficiency of a process of regenerating a waste salt produced during a pyrochemical process of used nuclear fuel by converting the waste salt into a thermally stable form and distilling the waste salt under a reduced pressure using a single apparatus having two top covers which are mountable to replace radioactive nuclides included in the waste salt, and highly improve applicability and utility in a remote operation facility for disposal of a radioactive waste by further simplifying operation/handling compared with conventional processes.

Abstract: Disclosed is a method for patterning a nanomaterial using solution evaporation. More particularly, the method for patterning a nanomaterial using solution evaporation includes; coating the nanomaterial with a polymer material and uniformly dispersing the coated nanomaterial in a solvent to prepare a solution containing the nanomaterial, and pouring the nanomaterial-containing solution on a substrate, enabling the nanomaterial to be patterned after evaporation of the solvent.

Abstract: A power transmitting apparatus includes a driving source, a driving member rotated by the driving source, a driven member linked with the driving member to rotate, a transmitting member disposed between the driving member and the driven member, the transmitting member being rotated by the driving member, axially moved along a rotation direction of the driving member so that the transmitting member is connected to the driven member, and an elastic member disposed between the transmitting member and the driven member, the elastic member providing an elastic bias into the transmitting member so that the transmitting member is separated from the driven member.

Abstract: The present invention relates to preparation of porous gallium (III) oxide [Ga2O3] photocatalyst for production of hydrocarbons a porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method, and a process of producing hydrocarbons using the porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method.

Abstract: A semiconductor of which a substance such as a semiconductor photocatalyst is uniformly coated on the surface thereof with a graphitic carbon film and a method of fabricating the same are disclosed. According to the inventive method, a graphitic carbon film having a thickness of 1 nm or less is uniformly formed on the surface of the semiconductor by performing hydrothermal synthesis and pyrolysis on glucose, so as to keep the original structure crystallinity of the semiconductor photocatalyst to be a support of the carbon film.

Abstract: The present inventions are a method for production of hydrogen which decomposes water into hydrogen by oxidation of metals only when the metals are exposed to the water, while preventing oxidation of pure metal nanoparticles using block copolymers and, in addition, hydrogen produced by the method described above. The method of the present invention has advantages of improved convenience and simplicity, achieves a preferable approach for hydrogen storage because the metal nanoparticles enclosed by the block copolymer have the ease of delivery and reaction thereof. Additionally, the method of the present invention only using water and the metal is considered eco-friendly and useful in industrial energy applications.

Abstract: The present invention relates to a method of manufacturing a heterogeneous catalyst using space specificity, comprising: depositing a metal in a core of micelles provided on a substrate; depositing an oxide around a shell of the micelles after the deposition of the metal in the core of the micelle; and reducing the metal in the core of the micelles after the deposition of the oxide, then, removing the micelles, and a method for generation of hydrogen through decomposing water in the presence of the heterogeneous catalyst prepared according to the aforesaid method under a light source.

Abstract: The present invention relates to preparation of porous gallium (III) oxide [Ga2O3] photocatalyst for production of hydrocarbons a porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method, and a process of producing hydrocarbons using the porous gallium oxide photocatalyst for production of hydrocarbons, manufactured by the foregoing method.

Abstract: Disclosed is a method for synthesis of micro-porous triple-bond based polymer networks using acetylene gas. According to the disclosed methods for synthesis of micro-porous triple-bond based polymer networks, acetylene gas interconnects building units having iodine and/or bromine functional groups by coupling reactions to provide micro-porous triple-bond based polymer networks.

Abstract: Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles.

Abstract: Disclosed are a nanocrater catalyst in metal nanoparticles with a nanocrater form of hole structure in center of the catalyst which is useful for manufacturing nano-sized materials and/or articles with desired structure and characteristics, a preparation method thereof including a plasma etching and chemical etching process (“PTCE process”), and nano-sized materials and/or articles manufactured by using the nanocrater catalyst in metal nanoparticles.

Abstract: Disclosed are a novel hydrogen storage material with enhanced hydrogen storage capacity prepared by doping an organic framework material with light metal cations, and a method of using the same for hydrogen storage. The present inventive material has at least one phenyl group at each face of a triangular building unit, which is doped with metal cations such as alkali metal cations, alkali-earth metal cations, etc., so that the material exhibits greatly improved capacity of hydrogen absorption and desorption at room temperature and can provide hydrogen storage materials practically adapted for fuel batteries useable even at room temperature.

Abstract: Disclosed is a method for patterning a nanomaterial using solution evaporation. More particularly, the method for patterning a nanomaterial using solution evaporation includes; coating the nanomaterial with a polymer material and uniformly dispersing the coated nanomaterial in a solvent to prepare a solution containing the nanomaterial, and pouring the nanomaterial-containing solution on a substrate, enabling the nanomaterial to be patterned after evaporation of the solvent.

Abstract: Disclosed are a novel hydrogen storage material with enhanced hydrogen storage capacity prepared by doping an organic framework material with light metal cations, and a method of using the same for hydrogen storage. The present inventive material has at least one phenyl group at each face of a triangular building unit, which is doped with metal cations such as alkali metal cations, alkali-earth metal cations, etc., so that the material exhibits greatly improved capacity of hydrogen absorption and desorption at room temperature and can provide hydrogen storage materials practically adapted for fuel batteries useable even at room temperature.