First of all, thanks to everybody who participated in the test wafer usage poll in the last post. I received some decent feedback and below are the results: For 150 and 200mm FABs (based on 15 data entries) The data show that test wafers play a massive role in the day to day FAB business.…… Continue reading Test Wafer, part 2

Inspired by the recent LinkedIn post from Fabmatics about the TestWaferCenter (LINK) I thought it is time to look a bit closer at the general topic of “test wafers”. So what are test wafers ? To keep it simple I will use the term “test wafer” for any non-product wafer in a FAB. Test wafers…… Continue reading Test Wafer , part 1