Abstract:
PURPOSE: A multilayer electro-active polymer device and a manufacturing method thereof are provided to minimize the reduction of a driving displacement of a multilayer EAP(Electro-Active Polymer) actuator by forming an active electrode with conductive polymer. CONSTITUTION: An EAP layer(111-118) is made of electro-active polymer. A protective layer(121-128) prevents foreign materials from penetrating through the EAP layer. An active electrode(131-138) is made of conductive materials. An extension electrode(141-148) is arranged in an inactive region. A connection electrode structure includes a plurality of inactive layers and common electrodes(151,152).
Abstract:
An apparatus for testing a semiconductor package and a method for testing a semiconductor package using the same are provided to prevent the malfunction of the test board in which the semiconductor package is mounted. An apparatus for testing a semiconductor package(100) includes the chamber(110) where the lower part is opened; the gas supply part(120) for forcibly supplying the first gas for forming the predetermined temperature environment within the chamber; the gas circulation part(130) in which the second gas for reducing inside and external temperature difference of the chamber circulates. The gas circulation part is formed on the top of the chamber.
Abstract:
Provided is a method of patterning a block copolymer layer, which comprises the steps of: providing a base material including a guide pattern; forming a block copolymer layer on the base material including the guide pattern; and inducing assembly of the block copolymer according to the guide pattern to form n/2 individual areas. The guide pattern includes a block copolymer patterning area having a 90 degrees deflection portion, wherein an outer apex and an inner apex of the 90 degree deflection portion are rounded to have a curvature radius of r1 and r2, respectively, and a width (W) of the patterning area and the curvature radius of r1 and r2 satisfy an inequation 1. In the inequation 1, n is an even number as the number of interfaces between the individual areas.
Abstract:
A method for patterning a block copolymer layer is provided. The method for patterning a block copolymer layer comprises the steps of: providing a substrate having a topographic pattern; forming a block copolymer layer on a surface of the substrate; and performing heat treatment on the block copolymer layer and directing an assembly of the block copolymer according to the pattern. The block copolymer is separated into anisotropic individual regions by the heat treatment, and the anisotropic individual regions are oriented in a direction perpendicular to the substrate. A layer thickness (H) of the block copolymer satisfies the following condition: 1.08L_0
Abstract:
PURPOSE: A polymer mixture controls hole mobility and electron mobility and improves the efficiency and lifetime of a light emitting diode. CONSTITUTION: A polymer mixture includes a first polymer having a unit represented by chemical formula 1 and a second polymer having a unit represented by chemical formula 2. An organic light-emitting diode (100) includes a first electrode (12); a second electrode facing the first electrode; and an organic layer inserted between the first electrode and the second electrode. The organic layer includes a light emitting layer (16) which includes the polymer mixture. A method for controlling the charge mobility of the light emitting layer of an organic light-emitting diode includes a step of controlling the composition ratio of the first polymer and the second polymer of the organic light-emitting diode.
Abstract:
The present invention relates to a method of forming a pattern of a block copolymer layer which includes a step of obtaining a trench which is defined by the surface of a bottom surface and both sidewalls and has a constant width over the entire length and a substrate which has a surface having a guide pattern which includes a vertical-type wall which is vertically placed in the longitudinal direction of the trench; a step of forming a block copolymer layer on the surface of the substrate; and a step of inducing the assembly of the block copolymer in the trench by annealing the block copolymer. The block copolymer has a cycle λo in the trench by the annealing process and becomes micro-phase separated into arranged anisotropic individual regions.
Abstract:
Provided are a carbon dioxide adsorbent, a carbon dioxide adsorbent module including the same, and a method for separating carbon dioxide using the same. The carbon dioxide adsorbent includes composite oxide including barium and titanate, wherein the composite oxide has a perovskite crystalline structure and is represented by Formula Ba_xTi_yO_z, wherein the atom ratio of Ba/Ti is 0.95 to 1.7.
Abstract:
Provided is a block copolymer for lithography, having 3,000-30,000 of an average molecular weight number comprising: a first polymer block comprising a first monomer selected from a diene monomer, an aromatic vinyl monomer, a heteroaromatic vinyl monomer; and a second polymer block comprising a second monomer selected from a (meth)acrylate derivative, wherein the first polymer block and the second polymer block have at least 0.2 of an interaction parameter (χ) indicated by the mathematical formula 1 below: ′Mathematical Formula 1′ (In the formula above, χ refers to an interaction parameter, Vm to the molar volume of major polymer blocks, R to a gas constant, T to a temperature (K), δ_A to a solubility parameter of a homopolymer comprising the first monomer, and δ_B to a solubility parameter of a homopolymer comprising the second monomer).