Printed circuit board and methods of manufacturing the same

A printed circuit board is provided. The printed circuit board includes a base having a top and a bottom. The top has a first circuit area, a second circuit area and a slotted area disposed between the first circuit area and the second circuit area. The slotted area includes a first row of a plurality of first slots, each first slot of the plurality of first slots has a first length and is separated from an adjacent first slot by a first space. The slotted area includes a second row of a plurality of second slots that is positioned parallel with respect to the first row. Each second slot of the plurality of second slots has a second length that is different than the first length and is separated from an adjacent second slot by a second space. The second space includes a different length than the first space.