Abstract:
A manufacturing method of a PCB(Printed Circuit Board) is provided to reduce manufacturing cost and improve efficiency due to forming minute circuit with high definition by using instruments used for an existing PCB. A manufacturing method of a PCB includes the steps of: laminating an insulating layer(15) on at least one surface of a core layer(11) with an inner circuit(13), and forming an external circuit pattern(17); impregnating the external circuit pattern(17) in the insulating layer(15); removing the external circuit pattern(17), forming a minute groove, and hardening the insulating layer(15); and filling the minute groove with metal, and forming an external circuit.
Abstract:
Disclosed herein are a printed circuit board with embedded capacitors therein and a process for manufacturing the printed circuit board. The embedded capacitors are formed by applying a photosensitive insulating resin to a printed circuit board inner layer, and applying a high dielectric polymer capacitor paste thereto. The process for manufacturing a printed circuit board with embedded capacitors therein comprises the steps of: i) laminating photo resist dry films to a copper clad FR-4, exposing to light and developing the dry films, and etching copper foils of the copper clad FR-4 to form bottom electrodes for forming capacitors; ii) applying a photosensitive insulating resin to the surfaces of the bottom electrodes, and exposing to light and developing to etch the photosensitive insulating resin; iii) applying a capacitor paste to the etched regions and curing the capacitor paste; iv) plating the upper regions of the cured capacitor paste and the photosensitive insulating resin using an electroless copper plating process to form copper foil layers for top electrodes; v) laminating photosensitive dry films to the copper foil layers for top electrodes, and exposing to light and developing the photosensitive dry films to etch regions of the dry films except for the copper foil layers where the top electrodes are to be formed; and vi) etching the regions of the dry films except for the copper foil layers where the top electrodes are to be formed, and the dry films formed on the top electrodes are removed so that the capacitor paste is discretely positioned between the top electrodes and the bottom electrodes to form discrete capacitors.
Abstract:
PURPOSE: A printed circuit board with embedded capacitors, and a manufacturing process thereof are provided to reduce loss of raw materials and simplify a manufacturing cost by filling up a paste into a desired part. CONSTITUTION: A plurality of inner via-holes are formed at a predetermined part of a non-copper foil laminate(101). The inner via-holes are filled up by a capacitor paste(103). A plurality of copper foil layers are formed on a top part and a bottom part of the capacitor paste. A dry film pattern is formed on the copper foil layers. A top electrode(108a), a bottom electrode(108b), and a signal circuit pattern(109) are formed by exposing and developing the dry film. A resin-coated copper layer(110) is formed on the predetermined region including the top electrode, the bottom electrode, and the signal circuit pattern. An outer via-hole(111) and a through-hole(112) are formed on an insulating layer and the copper-foil layer. A plating process for each inner wall of the outer via-hole and the through-hole is performed.
Abstract:
본 발명은 회로 전사용 캐리어 부재, 이를 이용한 코어리스 인쇄회로기판, 및 이들의 제조방법에 관한 것으로서, 캐리어층의 일면에 베리어층과, 외측 상단에만 요철이 형성되어 있는 회로 패턴을 갖도록 구성된 회로 전사용 캐리어 부재를 이용하여 회로 패턴을 수지 절연층에 전사하여 매립함으로써 고밀도, 고신뢰도의 코어리스 인쇄회로기판을 제작할 수 있다. 회로 전사용 캐리어, 코어리스, 인쇄회로기판, 베리어층, 절연층
Abstract:
A carrier member for transferring circuits, a coreless printed circuit board using the same, and methods for manufacturing the same minimize damage to circuits and improve reliability of the printed circuit board by forming a concavo-convex only in the bottom of an inner side of a circuit pattern. A carrier plate composed of a carrier layer(302a, 302b) and a barrier layer(303a, 303b) on both sides of thermal adhesive representing non-adhesive property in a thermal process is attached to both sides carrier structure. The barrier layer is the metal seed layer except copper. A plating resist is coated on the part including lands or the part except for the circuit formation part which does not include the lands, on the barrier layer of the both sides carrier structure. The circuit pattern is formed by electro copper plating the opened circuit formation part through the plating resist. The concavo-convex part is formed by roughing an exposed surface of the circuit pattern. A pair of carrier members for transferring circuits is obtained and separated from the thermal adhesive by removing the plating resist and thermal treating both sides carrier structure.
Abstract:
인쇄회로기판 제조방법이 제공된다. 절연층과 회로패턴을 포함하는 인쇄회로기판을 잉크를 이용하여 제조하는 방법으로서, 절연층에 상응하도록 절연성을 갖는 제1 잉크를 선택적으로 도포하는 제1 헤드; 및 회로패턴에 상응하도록 금속을 포함하는 제2 잉크를 선택적으로 도포하는 제2 헤드, 도포된 잉크를 경화시키는 경화부를 포함하는 인쇄회로기판 제조방법은 하나의 장비만으로 인쇄회로기판을 완성한다는 점에서 공정이 단순하고, 비용이 절감되며, 한번에 매우 얇은 두께로 도포함으로써 건조 혹은 경화시간이 매우 빠르고, 반복하여 형성한 회로패턴의 모서리를 원하는 형상대로 각을 잘 유지할 수 있으며, 에칭이나 도금공정이 없어 부산 폐기물도 적어 친환경적이다. 절연성, 전도성, 경화
Abstract:
A bottom substrate of a POP(Package On Package) and a method of manufacturing the same are provided to increase the number of integrated circuits mounted thereon without increasing a size of a solder ball. A bottom substrate of a POP is electrically connected to a top substrate by using a solder ball. The bottom substrate includes a core substrate(10), a solder ball pad(12) formed on a surface of the core substrate corresponding to a position of the solder ball, an insulating layer(20) stacked on the core substrate, a through-hole formed by removing a solder ball pad part from the insulating layer to expose the solder ball pad, and a metal layer(28) for filling up the through-hole. The metal layer is electrically connected to the solder ball. The insulating layer is formed by stacking photoresist on the core substrate and hardening the photoresist.
Abstract:
A manufacturing method of a PCB(Printed Circuit Board) with embedded electronic components is provided to detect defects at an early stage by performing a defect detecting process after mounting the electronic components. A manufacturing method of a PCB with embedded electronic components(320) includes the steps of: a first step of mounting the electronic component(320) on one side of a first metal film(310a); a second step of aligning in order of stacked material and a second metal film on one side where the electronic component(320) of the first metal film(310a) is mounted; a third step of forming a core layer by pressing the first metal film(310a), stacking material, and second metal film; and forming a circuit pattern on the first metal film(310a) and the second metal film.
Abstract:
본 발명은 인쇄회로기판 및 그 제조 방법에 관한 것이다. 보다 구체적으로, 본 발명은 IC 패키지 기판으로 사용되는 인쇄회로기판 및 그 제조방법에 관한 것으로서, 인쇄회로기판의 외층에 노출된 동박에 니켈 등의 금속을 도금함으로써, 종래에 인쇄회로기판의 외부에 도포되던 솔더 레지스트를 대체함으로써 IC 패키지용 기판의 제조 비용 절감하고 솔더 레지스트 도포 시의 단점을 해소할 수 있는 인쇄회로기판 구조 및 그 제조 방법에 관한 것이다. 솔더 레지스트, 니켈 도금, 외층 회로 보호