Blind milling on a printed circuit board design is used for several reasons.
1. To be able to create component openings or cut outs.
2. Plated blind milling is used for heat removal.
3. To be able to fix the special profiles.
In case of the blind milling the parameters of the usual mill are applicable.
Minimum milling tool available for blind milling in Brandner is 0,6mm and the maximum tool is 2,5mm.
Depth tolerance of blind milling is +/- 7um