CAD Computer Aided DesignComputer Aided Design uses special software and hardware to digitalize the layout of circuit boards (Layout) and convert digital data into original negatives by an optical plo
2019/08/08
bus barIt refers to the cathode or anode pole itself on the plating bath, or the cable connected to it. In addition, in the "process" circuit board, the outer edge of the golden finger is cl
2019/08/08
Buried Via HoleBuried guide holeIt refers to the local through hole of multi-layer plate. When it is buried in the inner layer of multi-layer plate, it becomes an "inner through hole" and do
2019/08/08
Break-away panelDisconnectable plateRefers to many small area circuit boards, in order to facilitate the downstream assembly line plug-in, placement, welding and other operations, in the PCB process,
2019/08/08
Bomb SightOriginally refers to the aiming screen of bombers. PCB in the production of negatives, for the sake of alignment, also in each corner of the upper and lower layers of alignment target, its m
2019/08/08
Block DiagramThe assembly board and all kinds of components needed are framed with square or rectangular blank frames on the design drawing, and the relations among the boxes are linked one by one wit
2019/08/08
Blind Via HoleIn a complex multilayer board, part of the through holes are deliberately not fully drilled because only a few layers of interconnection are needed. If one of the holes is connected to t
2019/08/08
Basic Grid When a circuit board is designed, its conductor layout locates the vertical and horizontal lattices on which it lands. The early grid spacing was 100 mil. At present, the basic grid sp
2019/08/08
