A PCB or aPrinted Circuit Boardis Board made from non-insulating and highly heat-resistant insulating material like fiberglass. These boards are also called substrates. A conductive metal like copper (sometimes gold) is used to make conductive circuit or pathway or traces forelectricityto flow in ...
摘要: PROBLEM TO BE SOLVED: To provide a means for regulating a signal propagation time between ICs in a printed wiring board formed with a wiring pattern for connecting a plurality of the ICs which operate by a synchronous signal.年份: 2002 ...
The present invention provides a conductive noise suppression function of the printed wiring board. 该印刷配线板是将在基板(22)表面上形成有导体层(电源层(24),信号传送层(26),接地层(28))的印刷配线板本体(20)与在覆盖膜层本体(32)表面形成有电阻层(34)的覆盖膜层(30)通过粘合剂层(40)粘合而成的...
A printed wiring board includes a first conductive layer, a second conductive layer arranged at a gap with respective to the first conductive layer, a third conductive layer, a first via conductor and a second via conductor, and a third signal wiring pattern. A first signal wiring pattern is...
印制电路板,又称印刷电路板、印刷线路板,简称印制板,英文简称PCB(printed circuit board )或PWB(printed wiring board)。A
A printed wiring board having assembled thereon a grid array type package, a multi-terminal device with many terminals arranged in matrix, is provided, through first signal connection holes, signal lines, and second connection holes, with many numbers of lands divided into plural blocks, being arr...
A printed wiring board including: an insulated substrate; a conductive circuit provided on one side of this insulated substrate; a cover layer covering the insulated substrate and the conductive circuit; and a conductive particle buried in this cover layer, wherein the conductive particle is buried...
There is provided a printed wiring board in which control of a characteristic impedance of a signal transmission pattern is realized with a small space and at a low cost, its manufacture is easy, a delay is hard to cause, and a high frequency signal can be stably transmitted. The printed ...
According to one embodiment, a printed circuit wiring board includes: a substrate having a conductor pattern thereon; a flexible flat cable including a connection section; and a connector including a contact section, a fitting port section and a housing. The contact section includes a first area ...
CONSTITUTION:A cross-shaped printing resistor 3 of carbon system is printed around an electrode terminal 4 of a printed wiring board 2 and this printed resistor 3 is trimmed in the form of a laser trimming line 5 with a trimming apparatus. In this case, the effect same as that obtained ...