Pete Gwozdz I attended your NSF Microfabrication Laboratory Workshop about 10 years ago. I need some wafers for a student lab this fall. I hope you still have some. The class is EE324 Semiconductor Theory and Devices with 10 students. We want to do the basic photoresist experiment, make a contact diode, and a few other basic experiments. 3 inch wafers will work on our spinner. Thanks for the help.