![blinded hole board](http://www.knpcba.com/uploads/blinded-hole-board.jpg)
bòrd toll dall
8-còmhdach-bòrd, bòrd-tighead: 2.40mm;
Tighead copair crìochnaichte: 35um,
Crìochnaich: ENIG
![blinded and buired holes board with laser drilling hole](http://www.knpcba.com/uploads/blinded-and-buired-holes-board-with-laser-drilling-hole.jpg)
bòrd tuill dall agus air a thiodhlacadh le toll drileadh laser
Bòrd 6 còmhdach, tighead bòrd: 1.80mm;
Tighead copair crìochnaichte: 35um,
Crìochnaich: ENIG