Revasum Inc is a manufacturer of wafer processing equipment. The Company manufactures chemical mechanical planarization (CMP), grinding, and substrate manufacturing equipment. Its products are used in semiconductor and related device manufacturing applications. The Company's CMP equipment are used across a range of applications that include oxide, silicon oxide, silicon nitride, tungsten, polysilicon, quartz, glass, aluminum nitride, gallium arsenide-based devices, lithium niobate and lithium tantalite-based devices, and other thin films. Its substrate manufacturing equipment is used for substrate processing applications that includes double-side, batch lapping, diamond polishing and final batch polishing. The Company offers both automated and semi-automated grinders. Its CMP, grinding and substrate polishing equipment are typically used in passivation, dielectrics, gap fill, local interconnect, interconnect metalization, reflective optics, and capping layer among others.