A via hole not extending to either side of the printed board.
A via used to link conducting layers internal to a substrate. Such a via is not visible from either side of the substrate.
An interstitial via connecting inner conductive layers of a printed board but not extending to either surface.
A via hole that does not extend to the surface of a printed board.
A via that connects two or more interior layers of a printed circuit board and does not extend to either surface of the printed circuit board.
A via hole not extending to the surface.
A via hole that is on internal layers only.
A buried via is a copper plated hole which interconnects between 2 internal layers of a multi-layer PCB. They are not visible externally. | | | | | | | | | J | K | L | | | | | | | | W | X | Y | Z
A via that connects inner layers but does not extend to the surface of a substrate or board.