Abstract:
PURPOSE: A hybrid carbon material and a manufacturing method thereof are provided to be able to effectively adsorb nanocarbon on the surface of a carbon fiber by using polyelectrolyte as a medium when coating the nanocarbon on the carbon fiber. CONSTITUTION: A manufacturing method of a hybrid carbon material comprises the following steps: Polyelectrolyte is adsorbed on the surface of a carbon fiber(70). Nanocarbon(80) is coated on the pre-processed carbon fiber by spraying a nanocarbon solution. The polyelectrolyte is removed by thermally processing the carbon fiber coated with the nanocarbon to manufacture the hybrid carbon material.
Abstract:
PURPOSE: A carbon nanotube coated substrate which is surface-treated with a silazane material and a manufacturing method thereof are provided to prevent a base substrate from being damaged by surface treating the base substrate with a silazane material which is the same with hexamethyldisilazane and forming a carbon nanotube conductive film. CONSTITUTION: A surface treating film(14) of a silazane material is formed on the surface of a base substrate(12). A carbon nanotube conductive film(16) is formed on the surface treating film. The silazane material includes hexamethylsilazane.
Abstract:
PURPOSE: A power management system and a power divider applied thereto are provided to reduce power consumption as well as estimate a power demand by checking and controlling power consumption for each server. CONSTITUTION: A power divider(10) is installed in one or more server racks. The power divider senses power use amount information and temperature information for each server. A power control device receives the power use amount information from the power divider. The power control device sets a reference power use amount for the server rack according to the power use amount information.
Abstract:
PURPOSE: A method for manufacturing a carbon nano-tube thin film based on a substrate pre-treating process using polymer electrolyte and the carbon nano-tube thin film are provided to improve the adhesive and the electric conductivity of the carbon nano-tube thin film with respect to a substrate. CONSTITUTION: A substrate is prepared(S51). The substrate is pre-treated using a pre-treating solution in order to form a polymer electrolyte coated layer(S53). The pre-A carbon nano-tube thin film is coated on the polymer electrolyte coated layer(S55). The pre-treating solution contains cationic polymer electrolyte. The cationic polymer electrolyte includes at least one of 'poly(diallydimethylammonium chloride), poly(allyamine hydrochloride), polyvinyl alcohol, poly(ethylenenimine), and doped polyaniline poly(acrylamide-co-diallylmethylammonium chloride).
Abstract:
본 발명은 전기 방전법에 의한 탄소나노튜브를 합성하기 위해 사용되는 탄소봉을 팽창 흑연재료를 이용하여 제작하는 방법에 관한 것이다. 본 발명에 따르는 탄소나노튜브 합성용 탄소봉은 (i) 흑연층 사이에 황산 및 질산 중의 적어도 하나가 함유된 가팽창 흑연을 준비하는 단계; (ii) 상기 가팽창 흑연을 공기 분위기에서 열처리하여 팽창 흑연을 생성하는 단계; (iii) 상기 생성된 팽창 흑연과 촉매 입자를 고상 또는 액상 혼합하여 고상 또는 액상 혼합물을 얻는 단계; 및 (iv) 상기 고상 또는 액상 혼합물을 압축 성형하여 탄소나노튜브 합성용 탄소봉을 완성하는 단계에 의해 구성되는 것을 특징으로 한다. 탄소봉, 탄소나노튜브, 팽창 흑연
Abstract:
PURPOSE: An electrostatic capacity touch screen and driving method thereof are provided to recognize the size of the power by the touch and touch location. CONSTITUTION: A substrate locates in the lower part of an electrostatic capacity touch screen. A flexible layer(26) is transformed into the direction of force. A lower electrode(34) is installed in the upper part of the substrate. An upper electrode is installed in the lower part of the flexible layer.
Abstract:
PURPOSE: A composition prepared by a post treatment processing method for an electrically and thermally conductive thin film is provided to improve chemical resistance, adhesive property, and environmental stability. CONSTITUTION: A composition prepared by a post treatment processing method for an electrically and thermally conductive thin film using a polymer composition comprises a substrate(100), a conductive thin film(200) formed on the substrate, and a polymer thin film(300) formed on the conductive thin film. The polymer thin film is formed by a solution process method using a post treatment processing solution of anionic polyelectrolyte and cationic polyelectrolyte.
Abstract:
PURPOSE: A method for preparing CNT powder coated with metal nanoparticles is provided to ensure high dispersibility and bondability by applying metal to the surface of a carbon nanotube with affinity and density similar to metal used for a carbon nanotube/metal complex. CONSTITUTION: A method for preparing CNT powder coated with metal nanoparticles comprises the steps of: treating a carbon nanotube with a strong acid; mixing the carbon nanotube treated with a strong acid with metal acetylacetonate solution; filtering the carbon nanotube/metal acetylacetonate mixture and drying it to obtain carbon nanotube/metal acetylacetonate powder; and heating the carbon nanotube/metal acetylacetonate powder in a reactor of a non-oxidizing atmosphere, decomposing the metal acetylacetonate, and coating the surface of the carbon nanotube with the metal nanoparticles.
Abstract:
PURPOSE: An apparatus for the vertical alignment of a carbon nanotube and a method is provided to improve the durability and performance of a cathode by preventing gas from releasing by using a cathode substrate including a metal layer with a low melting point and by aligning the carbon nanotube vertically by using an electric field. CONSTITUTION: An apparatus for the vertical alignment of a carbon nanotube comprises: a support stand(205) included in a chamber to align a carbon nanotube and a cathode substrate with a metal layer; an anode electrode(210) formed on the upper side of the support stand and can control the interval of the cathode substrate; a first and second heat radiator(240,250) separately formed on the upper side of the anode electrode and the lower side of the support stand to radiate the heat required for heat treating the metal layer included in the cathode substrate; a power supply device connected to the metal layer, formed in the cathode substrate and the anode electrode, for impressing electric power for aligning the carbon nanotube vertically.
Abstract:
본 발명은 유리잉크 코팅법을 이용한 프로브카드용 탐침의 절연방법에 관한 것으로, 보다 자세하게는 고집적화되는 반도체 칩 및 디스플레이 회로검사에 사용되는 프로브카드용 탐침 상호 간에 절연성을 확보하기 위한 방법에 관한 것이다. 본 발명의 유리잉크 코팅법을 이용한 프로브카드용 탐침의 절연방법은 프로브카드용 탐침을 절연하는 방법에 있어서, 도금 또는 에칭 공정으로 탐침을 제작하는 단계; 상기 탐침을 크리닝한 후, 유리잉크를 이용하여 코팅하는 단계; 상기 코팅된 탐침의 양끝을 연마하여 프로브 유닛에 삽입하는 단계; 및 상기 탐침을 에폭시로 고정한 후, 상기 프로브 유닛을 PCB 회로부에 연결시키는 단계를 포함한다. 프로브카드, 탐침, 절연, 유리잉크, 에폭시