Hi Peter! The IPC-A-610C spells out that for Class-I, the width cannot be reduced by more than 30% of the original width, and for Class-II and Class-III, it's 20%. -Steve Gregory- > Does anyone know if there is a min. acceptance > standard for the copper conductors on PCB, > specifically on the traces width? > > I am encountering partially broken traces on a board > and thinking at which point should I start looking at > the option of repairing. > > Rgds, > Peter >