Patent ID: 7859090
Filing Date: 2010-12-28
Classification: H01L

Abstract:
1. A microarray leadframe panel having a plurality of device areas, each device area including an array of contact posts suitable for forming contact pads, and a plurality of lead traces, the posts being arranged in a plurality of rows and each lead trace being integrally formed with an associated contact post, wherein: top surfaces of the lead traces are substantially co-planar with a top surface of the leadframe; bottom surfaces of the lead traces are recessed relative to a bottom surface of the leadframe; bottom surfaces of the contact posts are substantially co-planar with the bottom surface of the leadframe; and at least some of the lead traces extend beyond their associated contact posts on two opposing sides of their associated contact posts and have a width in an overlying region of their associated contact post that is narrower than their associated contact post.