Abstract:
A PCB assembly (1) in this case a DC-DC converter comprising a single layer board (2), mounts power semi-conductor devices forming high heat generating components (3) and various cores of magnetic material forming heat dissipating components (4). Tracks of heat conductive coupling material (6) lie above or below each heat generating component (3) and project into one of the heat dissipating components (4) and beside the others. In one embodiment, the heat generating components (3) are housed within a heat dissipating component (3). In another PCB assembly, there is an additional plug-in PCB which may itself carry heat generating components (3) or only heat dissipating components (4). In the latter case, the heat generating components (3) are mounted on the PCB assembly below the additional plug-in PCB.
Abstract:
A semiconductor socket converter module having a simplified low-cost structure composed of a plurality of circuit boards of high connection reliability and adapted for replacement of I/O terminals, for example, to upgrade a semiconductor package on a motherboard. The module structure comprises a socket board adapted to receive a semiconductor package, a converter board that carries the socket board and a signal converter device, and a circuit board interposed between the socket board and the converter board, the circuit board including holes for receiving general I/O pins on the socket board and further including conductor patterns for connecting particular I/O pins on the socket board electrically with the signal converter device.
Abstract:
A semiconductor socket converter module having a simplified low-cost structure composed of a plurality of circuit boards of high connection reliability and adapted for replacement of I/O terminals, for example, to upgrade a semiconductor package on a motherboard. The module structure comprises a first circuit board provided with replacement connection circuits and having conductor pins for external connections on its lower side, a second circuit board carrying a semiconductor package on its upper side and having I/O terminals projecting downward and corresponding to the conductor pins for external connections, and a daughter board interposed between the first and second circuit boards and having conductor patterns connected with the replacement connection circuit and with particular ones of the I/O pins, the conductor pins for external connections being connected electrically with the particular I/O pins through the replacement connection circuit.
Abstract:
볼 그리드 어레이(BGA) 연결 시스템은 매트릭스 패턴으로 배치된 볼 그리드 어레이(BGA)를 형성하는 복수의 전도성 볼을 포함하는 집적회로(IC) 패키지를 구비하고 있다. 인쇄회로기판(PCB)은 대응하는 매트릭스 패턴으로 배치되는 복수의 볼 소켓을 구비하고 있다. 각각의 볼 소켓은 한 측이 PCB에 결합하고, 반대 측이 BGA의 전도성 볼을 착좌하도록 구성되는 베이스를 구비하고 있다. 복수의 프롱(prongs)이 상기 베이스에 안정되어 연장하며, 상기 베이스에 접촉하여 전도성 볼을 수용하고 보유하도록 구성된다. 볼 소켓, 집적회로(IC), 기판, 전도성, 매트릭스 패턴
Abstract:
2개의 회로 기판 사이에 기계적/전기적 상호접속 및 그에 따라 요구되는 상호접속 부품을 제공하는 본 발명의 방법은 각각 미부, 견부 및 헤드부를 갖는 핀과 소켓을 포함한다. 미부는 제1 기판의 도금된 관통 구멍 내에 끼워 맞춤되도록 크기가 설정되고, 헤드부는 자동화 장비가 헤드부를 포획하는 것을 허용하고 도금된 관통 구멍 내부에 삽입될 때 그 상부에 안착되는 것을 허용하도록 크기가 설정되고, 견부는 도금된 관통 구멍의 내측에 안착되고 헤드부 아래에 그리고 도금된 관통 구멍 밑으로 미리 정해진 양의 땜납이 유동하는 것을 허용하지만 미부보다 아래로 유동하는 것을 허용하지 않도록 도금된 관통 구멍에 대해 크기가 설정되어 관통 구멍 내에 핀의 중심을 맞추는 것을 돕는다. 땜납 재유동 온도로 가열하면, 핀의 헤드부와 소켓의 견부 주연 둘레에 땜납 고리가 소켓의 견부와 핀의 헤드 아래로 유동하고, 그로 인해 핀과 제1 기판 사이 및 소켓과 제2 기판 사이에 땜납된 전기적 연결부를 형성한다. 소켓과 핀을 정렬하고 소켓의 공동 내에 핀의 미부를 삽입함으로써 분리 가능하고 신뢰성 있는 기계적 전기적 상호접속부가 제1 기판과 제2 기판 사이에 형성된다. 소켓, 핀, 땜납, 상호접속부, 재유동 온도
Abstract:
A ball grid array (BGA) connection system includes an integrated circuit (IC) package that includes a plurality of conductive balls forming a ball grid array (BGA) arranged in a matrix pattern. A printed circuit board (PCB) includes a plurality of ball sockets arranged in a corresponding matrix pattern. Each ball socket includes a base having one side that engages the PCB and an opposing side configured for seating a conductive ball of the BGA. A plurality of prongs are secured to and extend from the base and configured to receive and hold a conductive ball into contact with the base.
Abstract:
A stacked output structure of a capacitive power supply for welding equipment, having a plurality of capacitors to be connected in parallel, two electrodes of each capacitor are respectively provided with a pin including a long pin and a short pin; at least two PCB bus plates placed in stack are provided above the capacitor is provided. A lower PCB bus plate is connected with the short pin; and a pass-through hole is provided, at a position corresponds to the long pin, on the lower PCB bus plate. The long pin passes through the pass-through hole in the lower PCB bus plate and is connected with an upper PCB bus plate. There is a gap between the long pin and an inner wall of the pass-through hole.
Abstract:
A single element electrical connector includes a single conductive contact element formed into a cage structure having a wire insert end and a wire contact end along a longitudinal centerline axis of the connector. The cage structure defines an upper pick-up surface having a surface area suitable for placement of a suction nozzle of a vacuum transfer device, as well as a pair of contact tines biased towards the centerline axis to define a contact pinch point for an exposed core of a wire inserted into the connector. A contact surface is defined by a member of the cage structure for electrical mating contact with a respective contact element on a component on which the connector is mounted.
Abstract:
An electric connecting member and an LED lamp using the electric connecting member are provided. The electric connecting member is used for the electric connection between a light source substrate and a driving board of the LED lamp, and comprises an input terminal and an output terminal. The LED lamp comprises the driving board and the light source substrate. The output terminal is provided on the driving board of the LED lamp. The input terminal is disposed upon the light source substrate and is electrically connected to the light source substrate. The output terminal comprises two contacts, and one end of each of the two contacts is electrically connected to the driving board respectively. The input terminal comprises two connection heads which are respectively provided corresponding to the two contacts. One end of each of the two connection heads is electrically connected to the light source substrate respectively.