Abstract:
PURPOSE: A long type zinc oxide nanowire growth method is provided to improve the generation efficiency of nano generator by reducing a damage of nano generator from a surrounding environment with arranging the long type ZnO nanowire to the mode except the vertical array. CONSTITUTION: A long type zinc oxide nanowire growth method comprises the following steps. A growth solution is prepared by mixing zinc nitrate hexahydrate, hexamethylenetetramine and ammonium chloride. A substrate in which a catalyst layer is formed is inundated in the growth solution for the preset time. The ammonium chloride is controlled in the range of 0.09-0.15 M of molarity and in the range of 1-24 hours of growth time. The zinc nitrate hexahydrate and hexamethylenetetramine are comprised as 0.03 M respectively. The nano generator manufacturing method comprises the following steps. The long type ZnO nanowire which is grown with the long type ZnO nanowire growth method is extracted. At least one of CNT and Ag nanowire is mixed with the extracted long type ZnO nanowire; and the mixed nanowire is mixed with liquid PDMS to prepare a PDMS solution. The PDMS solution is coated on the substrate and the PDMS film of the thin film is formed. And the PDMS film is separated from the substrate and the electrode is formed. [Reference numerals] (101) Growing ZnO nanowire over fixed length; (103) Extracting ZnO nanowire; (105) Mixing ZnO nanowire +CNT+Ag nanowire; (107) Injecting the mixture in PDMS to produce a PDMS film in a membrane film form on a substrate; (109) Separating the PDMS film from the substrate and form an anode
Abstract:
PURPOSE: A manufacturing method of a functional fabric material using zinc oxide nanowires and a functional fabric material manufactured thereby are provided to be able to form ZnO nanowire on a fabric with an economic process, and to be able to supply the auxiliary power to mobile devices through the non-utility generation as the fabric has a piezoelectric property. CONSTITUTION: A manufacturing method a functional fabric material using ZnO nanowires comprises a step (101) of preparing a fabric ; a step (103) of forming a catalyst layer on the surface of the fabric; a step (105) of growing ZnO nanowires by dipping the fabric formed with the catalyst layer in a growth solution; and steps (107,109) of washing and drying the fabric with ZnO nanowires grown. [Reference numerals] (101) Arrange fabric; (103) Form a catalyst layer on fabric; (105) ZnO nanowire in which a catalyst layer is formed grows; (107) Washing; (109) Drying
Abstract:
본 발명은 플라즈마 표면 처리를 이용한 산화아연 나노와이어 특성 제어 방법 및 그 방법으로 제조된 산화아연 나노와이어를 구비하는 전자 소자에 관한 것으로, 기판과, 상기 기판 위에 형성되며 표면이 플라즈마 표면처리되는 산화아연 촉매층과, 상기 산화아연 촉매층 위에 성장되는 복수의 산화아연 나노와이어와, 상기 산화아연 나노와이어를 포함하여 상기 산화아연 촉매층 위에 형성되는 다층의 박막 실리콘과, 상기 산화아연 시드층 및 박막 실리콘 위에 형성되는 전극을 포함하는 것을 특징으로 하는 박막 실리콘 태양전지의 구성, 이를 제조하기 위한 방법과 산화아연 나노와이어 특성 제어를 위한 방법을 개시한다.
Abstract:
PURPOSE: A manufacturing method of zinc oxide nano-wires using metal masking and a zinc oxide nano-wire material manufactured by the method are provided to control density of growing zinc oxide nano-wires by forming metallic mask layer on a catalyst layer without a light exposure process. CONSTITUTION: A manufacturing method of zinc oxide nano-wires using metal masking comprises the following steps: preparing a substrate(10); forming a catalyst layer(20) of zinc oxide material on the substrate; forming a mask layer(30) having a plurality of growth holes(33) through a thermal process; and growing zinc oxide nano-wires(40) based on the catalyst layer part which is exposed to the plurality of growth holes. The metallic mask layer formation step comprises the following steps: forming a coating layer with 20-30 nano meters thickness by spreading aqueous solution including the metal nano-particles on the catalyst layer; and forming the metallic mask layer by heat treating the coating layer at 150-700 deg. Celsius.
Abstract:
PURPOSE: An electrostatic multi-nozzle droplet discharging apparatus using triode and a method for driving the same are provided to improve the precision of patterns and to be applicable for mass-production. CONSTITUTION: A droplet discharging apparatus(10) includes the following: a reservoir(13) contains a solution; a chuck(19) loads a substrate; a nozzle(14) includes a droplet outlet; a gate electrode(17) is arranged between the substrate and the nozzle and includes a through hole through which droplet passes to be discharged on a substrate; a first voltage supplying unit(15) supplies a direct bias voltage to the nozzle; and a second voltage supplying unit(16) supplies a gate voltage of a pulse form to the gate electrode.
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
Abstract:
A minute pattern transfer apparatus with the variable line path is provided to form the patterns with various line paths by controlling the interval between probes. An ink preserving member(320) preserves ink. An ink transmitting member(330) transmits the ink to a probe member. The probe member(340) transfers the ink introduced from the ink transmitting member. A driving member controls the interval formed at the probe member. The probe member includes a space for preserving the ink transmitted from the ink preserving member. Plural probes(341) transfer the ink. A spring(370) is connected with the probe member in order to support the motion of the probe. Plural probes are formed in parallel to each other. The driving member includes a magnet fixed to the probe member. A coil is located at the upper portion of the magnet and makes the current flow.
Abstract:
A probe of an AFM(Atomic Force Microscope) cantilever using a ferroelectric is provided to precisely measure the electric polarization of the ferroelectric by using the ferroelectric in the probe of the cantilever. A probe of an AFM(Atomic Force Microscope) cantilever using a ferroelectric includes a cantilever support(100), an insulation layer(110), a metal layer(120), and a ferroelectric(130). The insulation layer is formed on the cantilever support. The metal layer is formed on the insulation layer. The ferroelectric is formed at the tip head of the metal layer. The ferroelectric has a domain of 180 degrees. The ferroelectric uses a PZT.
Abstract:
PURPOSE: A method for growing vertically aligned single wall carbon nanotube(SWNT) is provided, which is characterized by growing a single-wall carbon nanotube in a special position on the substrate by applying electron beam partly on the substrate. CONSTITUTION: The vertically aligned single-wall carbon nanotube is produced by the following steps of: (i) coating a mixed nanoparticle solution as a catalytic material on a Si-wafer or glass substrate, wherein the mixed nanoparticle solution is obtained by mixing 20mg of nanosize Al2O3, 20mg of Fe(NO3)3·9H2O and 2mg of MoO(acac)2 in 10ml of methanol for 24hrs, and radiating ultrasonic waves; (ii) leaving a coated substrate in the air to evaporate solvent and then thermal treating at 160-180deg.C within 5min to attach nano particles to the substrate; (iii) putting the substrate into a chamber generating electron beam; (iv) flowing a mixed gas of CH3(high purity) and H2 gas into the chamber; (v) radiating an electron beam to a position where a carbon nanotube is grown, wherein the growing length of the single-wall carbon nanotube is controlled according to strength and radiation time of the electron beam.