Abstract:
고분자 구동기를 포함하는 미세 밸브 구조체 및 랩온어칩 모듈이 제공된다. 미세 밸브 구조체는 기판 상에 배치되는 유연 구조물 및 유연 구조물 내에 삽입되는 고분자 구동기를 포함할 수 있다. 이때, 유연 구조물은 미세 유로를 정의하는 밸브부를 갖고, 고분자 구동기는 유연 구조물에 의해 미세 유로로부터 분리된다. 이에 더하여, 고분자 구동기는 밸브부의 변위를 제어함으로써 미세 유로의 폭을 변화시킬 수 있도록 구성된다.
Abstract:
PURPOSE: A MEMS(Micro Electro Mechanical Systems) type semiconductive gas sensor using a micro heater having a plurality of holes and a method for manufacturing the same are provided to obtained a MEMS semiconductive gas sensor which is structural/mechanically/electrically stable, thereby extending a lifetime of the sensor. CONSTITUTION: A MEMS(Micro Electro Mechanical Systems) type semiconductive gas sensor using a micro heater having a plurality of holes comprises a substrate(110), a second membrane(120), a heating resistant(130), a first membrane(140), a sensing electrode(150), and a sensing material(160). A predetermined thickness of the central part of the substrate is etched. The second membrane is formed in the upper part of the central part of the substrate and comprises a plurality of holes. The heating resistant is formed in the second membrane and comprises a plurality of holes. The first membrane is formed on the second membrane and comprises a plurality of holes. The sensing electrode is formed in the first membrane and comprises a plurality of holes. The sensing material is formed in the sensing electrode.
Abstract:
PURPOSE: A method for preparing porous metal oxide is provided to form a porous structure with large surface areas by eliminating organic ligand through thermal treatment and to in situ convert metallic ions into metals or metal oxides. CONSTITUTION: Metallic ions and organic ligand are combined to prepare nano-porous hybrid compounds(S401). The metal of the metallic ions functions as catalyst. The precursor solution of metal oxides to be obtained is carried by the nano-porous hybrid compounds(S402). The resultant product is thermally treated to eliminate the organic ligand(S403). The metallic ions are ions of one or more selected from palladium(Pd), platinum(Pt), silver(Ag), nickel(Ni), copper(Cu), manganese(Mn), zinc(Zn), and iron(Fe). The precursor of metal oxides are selected from chlorides, iodides, bromides, amine complex, nitro complex, and pyridine complex of one or more metals selected from a group including tin(Sn), indium(In), titanium(Ti), tungsten(W), zinc(Zn), zirconium(Zr), nickel(Ni), vanadium(V), manganese(Mn), cobalt(Co), and iron(Fe).
Abstract:
PURPOSE: A micro valve structure including a polymer actuator and a lab-on-a-chip module are provided to improve the durability and the reliability of the micro valve structure and the lab-on-a-chip module by prevent the direction contact of fluid and the polymer actuator. CONSTITUTION: A micro valve structure includes a substrate(10), a flexible structure(20), and a polymer actuator(40). The flexible structure is arranged on the substrate. The polymer actuator is inserted into the flexible structure. The flexible structure includes a valve part which defines a micro channel(30). The polymer actuator is separated from the micro channel by the flexible structure. The width of the micro channel is capable of being changed by directly controlling the displacement of the valve part using the polymer actuator.
Abstract:
PURPOSE: A polymer actuator and a fabrication method thereof are provided to solve difficulty of assembly after forming an electrode by using a shim in a flexible PCB. CONSTITUTION: A flexible PCB is manufactured by attaching a top electrode and a bottom electrode to the top and bottom of a support layer(110). The top side of the polymers and a top electrode plate of a flexible PCB are interlinked through plating to form a top electrode. The bottom side of the polymers and the bottom electrode plate of the flexible PCB to form a bottom electrode.
Abstract:
PURPOSE: A method and an apparatus for controlling convergence in a parallel axis typed stereoscopic camera are provided to control a main view angle automatically by electronically controlling the main view angle through a preset lookup table. CONSTITUTION: A stereo camera unit(21) includes left/right cameras, and a focus distance detector(23) detects the focus distance for a certain object through an automatic focus function. When the focus distance of the left/right cameras is determined, a main view angle controller(24) determines a main view angle control value depending on the focus distance through a lookup table. According to the determined main view angle control value, an image processor(22) corrects the images of the left/right cameras.
Abstract:
본 발명은 고속 고분자 구동기의 제조방법 및 이로부터 얻은 고속 고분자 구동기에 관한 것으로, 플라즈마 처리 공정을 이용하여 이온 전도성 고분자막의 표면이 균일하게 되도록 표면 처리함으로써, 기존의 샌드 블라스팅(sand blasting), 샌드 페이퍼(sand paper) 등의 표면 처리를 거쳐 제작된 고분자 구동기보다 균일한 표면을 갖게 되어 고분자막의 팽창과 수축이 쉽게 이루어지므로, 이에 따라 반응속도가 빠르며 고변위를 갖는 고분자 구동기를 제조할 수 있다. 플라즈마 처리, 고분자 구동기, 고속, 고변위
Abstract:
A surface-coated polymer actuators and a method of manufacturing the same are provided to prevent the solvent leaks out by the inner pressure generated by the solvent movement by the electrostimulation in the actuator operation by coating the metal electrode surface of the polymer actuators. The polymer driver comprises the metal electrode(20) formed at the ion conductive polymer layer(10), and both sides of the ion conductive polymer layer and the coating layer(30) formed on each metal electrode. The ion conductive polymer layer is made of the Nafion polymer film. The metal electrode is the platinum or the gold electrode. The coating layer is comprised of coating material having the elasticity and chemical resistance. The coating material is made of the polyurethanes or the silicon. The metal electrode is formed through the electroplating method.
Abstract:
A method for producing a highly stable polymer actuator is provided to allow the use of a polymer actuator at a low temperature and even after treatment at an extremely high temperature. A method for producing a highly stable polymer actuator comprises: a step(S11) of preparing an ionic polymer/metal composite comprising metal electrodes plated on both surfaces of a conductive polymer membrane; a step(S12) of removing water from the conductive polymer membrane of the ionic polymer/metal composite; and a step(S13) of swelling the ionic polymer/metal composite in a polar solvent having a higher boiling point and a lower freezing point than water. The polar solvent includes propylene carbonate.