A microelectronic device includes a chip having a front surface and a rear
surface, the front surface having an active region and a plurality of
contacts exposed at the front surface outside of the active region. The
device further includes a lid overlying the front surface. The lid has
edges bounding the lid, at least one of the edges including one or more
outer portions and one or more recesses extending laterally inwardly from
the outer portions, with the contacts being aligned with the recesses and
exposed through them.