Author Archives: Webmaster

3D Test

At the 5th Annual 3D Test Workshop (Seattle, 23-24 October 2014) Tezzaron’s Bob Patti took part in a lively panel discussion.  The consensus was that built-in self test and built-in self repair are essential for stacked memory devices.  Tezzaron obviously agrees — our robust … [Read More]

Looking Back on a Major Milestone

Ten years ago today — on 21 October 2004 — Tezzaron demonstrated the world’s first working 3D-IC!

The device was a two-layer wafer-stacked chip with tungsten SuperContact™ (vertical interconnect).  It was part of an in-house multi-project wafer stack containing six different 3D designs, all of which were first-pass functional.  The first … [Read More]