Super cool!
He should work with a lab like SNF/ANFF to make more advanced devices, you should be able to get access to one of the Raith E-beam machines for an acceptable price.
He should work with a lab like SNF/ANFF to make more advanced devices, you should be able to get access to one of the Raith E-beam machines for an acceptable price.
However, you can get reasonable quality masks for $150ish, and if you don't care about wafer yield, you can fit all of the layers on one mask. It's 1970s tech - 1:1 contact exposure, but you can hit a few microns.