The integration of Schottky diode submillimetre wave circuits on GaAs membranes, and the transfer of the circuit to a lower dielectric membrane substrate is discussed. Two 366GHz mixers were designed to demonstrate the membrane approach using post processing of commercial foundry processed wafers.
Pike, J., Floyd, L., O’Connell, D., Waliwander, T., Crowley, M., & Lederer, D. (2010). Schottky Membrane Technology for Sub-mm Wave Applications. Proceedings of the 5th European Microwave Integrated CircuitsConference (EuMIC 2010), p. 222-225. https://hdl.handle.net/2078.5/222710