摘要:
Provided is a pattern forming method of a block copolymer layer, that includes a step of providing a base member having a topography pattern including a trench and a mesa; a step of forming a lower layer, including a repetitive unit coming from an aromatic vinyl monomer having a single or heterogeneous aromatic ring, which is substituted or non-substituted, and including a polymer having a fixed group at an end, on a surface of the base member; a step of performing heat treatment to the lower layer; a step of obtaining a lower layer including a cross-linking polymer in which an intermolecular cross-linking bond is formed between carbon atoms of a polymer main chain by irradiating the treated lower layer with light; a step of forming a block copolymer layer on the lower layer including the cross-linking polymer; and a step of forming a self-assembly of the block copolymer induced by the topography pattern based on heat treatment to the block copolymer layer.
摘要:
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.
摘要:
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
摘要:
나노물질필러를포함하는발열체및 그제조방법과상기발열체를포함하는장치에관해개시되어있다. 개시된발열체는매트릭스(matrix) 재료와와 나노물질형태의필러를포함한다. 상기나노물질형태의필러는나노시트필러또는나노로드필러일수 있다. 상기나노시트필러는전기전도도가주어진값 이상, 예를들면 1,250S/m인나노시트일수 있다. 상기필러는산화물(oxide), 보라이드(boride), 카바이드(carbide), 칼코게나이드(chalcogenide) 중적어도하나혹은적어도둘을포함할수 있다. 상기매트릭스재료는유리물프리트일수 있다. 상기유리물프리트는일 예로실리콘산화물(silicon oxide)이거나실리콘산화물에첨가물이첨가된것일수 있다.
摘要:
금속전구체및 계면활성제를포함하는마이크로에멀젼(microemulsion)이표면에흡착된탄소나노튜브; 및유기비히클(organic vehicle);을포함하는페이스트조성물이개시된다. 탄소나노튜브표면에마이크로에멀젼의흡착에의한자발적코팅은상기페이스트조성물의소결과동시에탄소나노튜브표면을금속산화물로페시베이션시킬수 있으며, 고온소결에도열화가일어나지않고내산화성을향상시킬수 있다. 상기페이스트조성물을소결하여얻은결과물은가열장치의발열소재로적용될수 있으며, 기타반도체소자, 터치센서, 가스배리어, CNT 가스센서등에도다양하게적용될수 있다.
摘要:
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.
摘要:
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).