Abstract:
PURPOSE: A method for preparing insulating film for a multi-layer printed circuit is provided to shorten the total hardening time, to realize micro circuits due to low surface roughness compared with a conventional method and to secure long-term reliability. CONSTITUTION: A method for preparing insulating film for a multi-layer printed circuit comprises the steps of: forming a resin including epoxy in an insulating film; laminating the insulating film on the multi-layer printed circuit; and curing the insulating film with an infrared ray heater. The curing step is operated for 6 minutes - 2 hours. The insulating film further includes inorganic filler and curing accelerator. The curing accelerator is an imidazole-based compound.
Abstract:
본 발명은 낮은 유전율을 가지는 저손실 절연재 (Low Loss Dielectric; LLD)로서 유용한 신규의 노르보넨계 중합체, 이를 이용한 절연재, 인쇄회로기판 및 기능성 소자에 관한 것이다. 더욱 구체적으로는, 상기 노르보넨계 중합체는 화학식 1로 표시되는 반복 단위를 적어도 1종 포함한다. [화학식 1]
식 중, R1 내지 R4 중 적어도 하나는 독립적으로 치환 또는 비치환된 C4-C31의 선형 또는 분지형의 아릴알킬기이고, 나머지 R1 내지 R4는 각각 독립적으로 수소 또는 치환 또는 비치환된 C1-C3의 선형 또는 분지형의 알킬기이고, n은 250 내지 400의 정수이다. 본 발명의 노르보넨계 중합체는 낮은 유전율, 저손실 특성 및 우수한 공정성을 가지고 있어, 저손실 절연재로서 다양한 응용이 가능하다. 저유전율, 저손실, 노르보넨계 중합체
Abstract:
PURPOSE: A package substrate and a method of manufacturing the same are provided to improve heat dissipation efficiency by including a boron nitride of a plate shape. CONSTITUTION: A circuit layer is respectively arranged in both sides of an insulating layer. The insulating layer(110) comprises a thermal conductive insulator and a binder resin. The thermal conductive insulator and the binder resin includes inorganic material powder and a boron nitride covering the outside of the inorganic material powder. A penetration hole(130) passes through the insulating layer. The insulating layer comprises the boron nitride of a plate shape. A solder resist(140) is arranged on the circuit layer.
Abstract:
A method for manufacturing a field emission device is provided to form a pattern by performing an imprinting process using a super ionic conductor. A conductive substrate and a silver plate are dipped into an electrolyte including silver ions and a carbon nanotube(S112). A magnetic material layer including the silver and the carbon nanotube on one surface of the conductive substrate is formed by applying a voltage to the conductive substrate and the silver plate(S114). A stamper including a super ionic conductor is loaded(S120). A predetermined embossed pattern is formed on one surface of the stamper. An electrode is formed on the other surface of the stamper. The embossed pattern comes in contact with the magnetic material layer(S130). A positive voltage is applied to the electrode and a negative voltage is applied to the magnetic material layer(S140).
Abstract:
본 발명은 임프린트법을 이용한 인쇄회로기판의 제조방법에 관한 것으로, 보다 상세하게는 임프린트법을 이용하여 전도성 고분자를 중합시킬 수 있는 산화제를 기판에 선택적으로 표시하고, 선택된 패턴에 전도성 고분자의 모노머를 충전시켜 중합시킴으로써 전도성 고분자 배선 패턴을 갖는 인쇄회로기판의 제조방법에 관한 것이다. 본 발명에 의하면, 인쇄회로기판의 배선폭의 미세화를 통하여 고집적, 고효율의 인쇄회로기판을 제조할 수 있고, 임프린트법을 이용하여 전도성 고분자 배선을 형성하는 새로운 방식에 의하여 산업용, 사무용 또는 가정용 전기전자제품에 적용할 수 있는 인쇄회로기판(PCB) 또는 플렉서블인쇄회로기판(FPCB)을 제조할 수 있다. 인쇄회로기판, 임프린트법, 전도성 고분자, 산화제, 배선, 고분자 중합
Abstract:
A printed circuit board and a manufacturing method thereof are provided to easily acquire a predetermined thickness of circuit pattern by selectively polymerizing conductive monomers in an engraved pattern. A method for manufacturing a printed circuit board includes the steps of: (a) providing an insulation substrate containing an oxidant(100); (b) forming an engraved pattern corresponding to a circuit pattern on the insulation substrate by imprinting or etching the insulation substrate(120); and (c) charging the engrave pattern with conductive high-molecular monomers(140). The step (a) includes a step of molding the insulation substrate by blending the oxidant with an epoxy compound(102). An oxidized protection layer is laminated on a surface of the insulation substrate. The oxidized protection layer includes a photoresist. The method for manufacturing the printed circuit board further includes a step of (d) removing the oxidized protection layer after the step (c)(150). The step (d) includes a step of planarizing the surface of the insulation substrate(152).
Abstract:
A method for manufacturing a nano array is provided to enable carbon nanotubes to be uniformly and regularly distributed and fixed to the nano array, and enable a nano-size pattern to be easily embodied using an imprint process. A method for manufacturing a nano array(14) includes the steps of: preparing a polymer substrate(13); pressing a metal stamp(11) having an embossed pattern(12) on one surface of the polymer substrate; and polishing the other surface of the polymer substrate to expose the pattern of the metal stamp. A method for manufacturing a field emitter electrode includes the steps of: preparing the nano array by the manufacturing method of nano arrays; preparing an electrolyte comprising metal ions and carbon nanotubes; and forming a metal layer comprising carbon nanotubes on the exposed pattern of the nano array by an electroplating method using the electrolyte.
Abstract:
본 발명은 임프린트법을 이용한 인쇄회로기판 제조방법에 관한 것으로, 임프린트법을 이용하여 다수의 음각 패턴이 형성된 절연층 상에 도금층을 형성하고, 표면 연마시 에칭액을 이용한 에칭 연마를 수행함으로써 연마 공정비도 저렴하고 절연층 표면이 변질되지 않아 추가 공정이 필요없는 임프린트법을 이용한 인쇄회로기판 제조방법에 관한 것이다. 인쇄회로기판, 임프린트법, 표면 연마, 에칭 공정, 스탬퍼
Abstract:
A releasing method using a polarity of polymer electrolyte is provided to eliminate the necessity of using a releasing agent or a releasing film. A releasing method comprises a step(S110) of providing a metallic stamper having a predetermined pattern; a step(S120) of providing a substrate coated with a polymer electrolyte film; a step(S130) of forming a pattern on the substrate by heat pressing the stamper onto the substrate; and a step(S140) of separating the stamper from the substrate. The stamper is provided with a polarity identical with the polarity formed on a surface of the substrate such that the substrate and the stamper are easily separated from each other by an electrostatic repulsive force.