For drilled through-holes, the minimum annular ring width must be at least 0.15mm
(IPC-2221).
The annular ring is the copper pad which remains after the hole has been drilled.
For drilled through-holes, the minimum annular ring width must be at least 0.15mm
(IPC-2221).
The annular ring is the copper pad which remains after the hole has been drilled.