Yes, this is right. We have to take care not to mixup micrometers with nanometers.

LookinGIntoit, please have a look at UMCs homepage:
http://www.umc.com/English/class_300/c.asp

Wavetek(WTK)

Process: 3.5um - 0.45um
Design Capacity: 50,000 wafers/month
Wafer Size: 6"
Location: Hsin-Chu, Taiwan

A retrofit of a fab usually will not change the principals of node size. 100 or 40nm would request quite different tools!