Abstract:
Provided is a flame resistant resin composition, which has a controllable curing degree while maintaining excellent mechanical properties such as mechanical strength, is free from halogen, and is useful for fabricating a printed circuit board via imprinting lithography. The flame resistant resin composition comprises: (a) 100 parts by weight of a composite epoxy resin comprising 1-40 parts by weight of a bisphenol A type epoxy resin, 1-30 parts by weight of a phenol novolac epoxy resin, 1-10 parts by weight of a cresol novolac epoxy resin, 1-20 parts by weight of a rubber-modified epoxy resin and 1-50 parts by weight of a phosphor-based epoxy resin; (b) a curing agent mixed at an equivalent ratio of 1:1 to the combined epoxy equivalent of the composite epoxy resin; (c) 0.1-1 parts by weight of a curing accelerator; and (d) 10-50 parts by weight of inorganic fillers.
Abstract:
An imprint mold for printed circuit board fabricated by using PTFE(polytetrafluoroethylene) is provided to embody the printed circuit board with excellent physical properties including releasing property, strength, thermal conductivity, durability, chemical-resistance, water-repellent property, self-lubrication, etc. by using electrolytic nickel plating solution dispersed with PTFE powder to form a nickel plated layer and having multiple via-holes and structure corresponding to circuit patterns. A method for fabricating imprint mold(300) comprises the steps of: (a) preparing a master mold(100) that includes multiple via-holes and patterns of a structure including circuit pattern; (b) forming a metal coating layer(200) on the master mold having the structure patterns; (c) preparing electrolytic nickel plating solution having PTFE(320) powder dispersion; (d) forming PTFE-charged nickel plating layer(310) by contacting the nickel plating solution with the master mold; (e) separating the nickel plating layer from the master mold; (f) heat-treating the separated nickel plating layer to partially decompose PTFE charged in the nickel plating layer.
Abstract:
본 발명은 우수한 내구성을 갖는 인쇄회로기판용 임프린트 몰드 및 이를 이용한 인쇄회로기판의 제조방법에 관한 것으로, 형성하고자 하는 복수의 비아 및 패턴에 대응되는 구조물이 표면에 형성된 인쇄회로기판용 임프린트 몰드에 있어서, 상기 몰드가 열 또는 자외선 경화형 프리폴리머(prepolymer) 100중량부에 대하여 0.1∼5.0㎛의 평균입경을 갖는 필러 30∼80중량부를 함침시켜 된 것을 특징으로 하는 우수한 내구성을 갖는 인쇄회로기판용 임프린트 몰드 및 이를 이용한 인쇄회로기판의 제조방법을 제공한다. 인쇄회로기판, 임프린트, 몰드, 프리폴리머, 필러
Abstract:
A releasing treatment method of imprint mold for printed circuit board is provided to form an excellent releasing layer with thermal and chemical stability and mechanical property on the printed circuit board by preparing an aluminum layer on a nickel mold, plasma-treating the layer and combining specific silane compound to the mold through self association process. The treatment method comprises steps of: (a) preparing a nickel mold with nickel plated surface; (b) forming aluminum layer on the surface of the nickel mold; (c) plasma-treating the aluminum layer; and (d) combining the plasma-treated nickel mold with silane compound represented by a follow formula(1), wherein R1 to R3 are same or different and halogen or C1-C20 of alkoxy group, and n is integer ranging from 1 to 20. The aluminum formation step is carried out by any one selected from sputtering, metal vapor deposition or physical vapor deposition.
Abstract:
본 발명은 인쇄회로기판용 절연필름 및 이를 이용한 제품을 제공한다. 구체적으로는, 본 발명의 대표적인 실시 예에 따른 절연필름에 있어서, 절연층 내의 무기충전제의 함량이 농도 구배를 갖는 절연재 및 이를 적용한 인쇄회로기판이 내층회로 및 내층회로의 쓰루 홀 (through hole)의 충진성을 높일 수 있는 효과를 나타낼 수 있다.
Abstract:
본 발명은 인쇄회로기판용 적층재, 이를 이용한 인쇄회로기판 및 그 제조 방법에 관한것이다. 본 발명의 일 실시예에 따른 인쇄회로기판용 적층재는 제 1 절연필름, 및 제 1 절연필름 상에 형성된 제 2 절연필름을 포함하며, 상기 제 1 절연필름과 상기 제 2 절연필름은 상이한 반응 촉진제의 함유량을 갖는다.
Abstract:
The present invention relates to a device for measuring drying rate and a method for measuring a drying rate using the same for measuring a drying rate of substrate materials for manufacturing an electronic device. The device for measuring a drying rate comprises: a supporting unit in which a substrate is arranged; and a marking unit forming marks on the substrate while being in contact with the substrate, arranged at the upper part of the substrate movably in every direction.
Abstract:
The present invention relates to an insulation film including a metal layer. The insulation film according to one embodiment of the present invention includes a carrier, the metal layer, and an insulation layer. The metal layer is formed on the carrier. The insulation layer is formed on the metal layer. The carrier is made of Cu.
Abstract:
본 발명은 다층배선기판용 난연성 수지 조성물 및 이를 포함하는 다층 배선기판에 관한 것으로, 본 발명의 일 실시예에 따른 다층배선기판용 난연성 수지 조성물은 나프탈렌 변형 에폭시 수지, 크레졸 노블락 에폭시 수지, 고무 변성형 에폭시 수지 및 인계 에폭시 수지를 포함하는 복합 에폭시 수지; 및 특정 화학식으로 표시되는 난연제;를 포함한다. 본 발명에 따른 다층배선기판용 난연성 수지 조성물 및 이를 포함하는 다층 배선기판은 우수한 난연성, 내흡습성 및 박리강도를 나타낸다.
Abstract:
PURPOSE: A printed circuit board and a manufacturing method thereof are provided to obtain the adhesive force between a conductive layer and an insulating layer by obtaining uniform illuminance on an insulating layer. CONSTITUTION: An insulating layer is formed on a core substrate having an internal circuit pattern(S100). Illuminance is formed on a surface of the insulating layer(S200). A via hole is formed on the insulating layer(S300) A metal coating layer is formed on the insulating layer(S400) A step forming the illuminance on the insulating layer surface includes a step(S210) attaching a metal foil to the insulating layer and a step(S220) removing the metal foil by etching the metal foil. The insulating layer having the uniform surface illuminance of a nano size is formed on the core substrate including the first circuit pattern. A second circuit pattern is formed on the insulating layer by plating.