mosis is like an agent. it collects the designs from the universities and gives them to foundries like tsmc, ibm, etc. for fabrication. it is free to most of the US universities. the univ.s have to submit proposal to mosis and get approved before they get free fabrication. after testing, the univ.s have to give mosis a testing report. most of the chips designed in US universities are fabricated through mosis bcz it is free.