FAQ2: M/B ref. / 基準面
● It's reference surface for P/C Planarity in M/B (水平的基準面)
● Two types are used : Top Reference & Bottom Reference.
● Top Referece type needs "higher" technology.
● It's reference surface for P/C Planarity in M/B (水平的基準面)
● Two types are used : Top Reference & Bottom Reference.
● Top Referece type needs "higher" technology.