Patent ID: 8394660

Claim:
A method of fabricating a plurality of devices from a single device substrate, each device having features processed on two sides of the device substrate, the method comprising the steps of: processing a first side of the device substrate such that a plurality of device areas are formed, wherein the device substrate is an SOI wafer having a carrier layer of silicon, a buried sacrificial layer comprised of a silicon oxide, and a device layer of silicon; coating the first side of the device substrate with an immobilizing material to provide an immobilizing layer; inverting the device substrate to provide processing access to a second side of the device substrate; removing material from the second side of the device substrate until the device substrate supporting the plurality of device areas is a desired thickness, wherein the second side of the device substrate is opposite the first side of the device substrate, and wherein removing material exposes the device layer of silicon; processing the second side of the device substrate, including the plurality of device areas; and removing the immobilizing layer to provide a plurality of freestanding devices each having the processed features on both a first side of the device and a second side of the device, wherein the first side of the device is opposite the second side of the device.