Printed circuit board

摘要

The present invention concerns a printed circuit board, PCB. The PCB comprises a number of signal layers comprising routing channels and at least one ground layer being adjacent to at least one signal layer. A number of via holes connects different signal layers of the PCB. In the signal layers the via holes are connected to pads and in the ground layers they are be surrounded by anti-pads. The pads are shaped such that at least a part of a via hole connected to the pad is on the outside of, or in close proximity to, the edge of the pad, irrespective of where on the pad the centre of the via hole is positioned.

主权项

1. A Printed circuit board, PCB, comprising:
a number of signal layers comprising routing channels; at least one ground layer being adjacent to at least one of the signal layers; and a number of via holes connecting different signal layers of the PCB, the via holes being connected to pads in the signal layers and surrounded by anti-pads in the at least one ground layer; at least one of the pads being shaped such that at least a part of a via hole connected to the at least one pad is on the outside of, or in close proximity to, an edge of the at least one pad, irrespective of where on the at least one pad the centre of the via hole connected to the at least one pad is positioned, wherein at least a portion of the via hole connected to the at least one pad overlaps a center of the at least one pad.