Used NTACT nRad #293813619 for sale

NTACT nRad is a photoresist equipment designed for use in advanced lithographic processes. Photoresists are chemicals used to create patterns on photomasks, wafers, and other substrates. NRad system is a sub-wavelength imaging technology based on an interference interferometer. With this unit, nanometer-sized features can be created for various semiconductor fabrications. NTACT nRad machine utilizes a beam of coherent, fairly monochromatic light to draw the design on the substrate. This light is composed of photons, each of which carries a certain amount of energy. The photons interact with the resist material, which is typically composed of a polymer and other photoresist compounds, affecting the chemical composition of the material. As the light intensity varies, the amount of energy carried by each photon changes, altering the chemical properties of the photoresist. This allows for extremely precise and detailed pattern generation at a resolution of up to a few hundred nanometers. With this level of precision, nRad tool can be used to fabricate complex semiconductor devices with tiny features such as transistors and other circuit components. The asset's precision is also credited to its use of a two-beam interference interferometer. This type of interferometer utilizes a 'biprism' to split a single beam of light into two beams with adjustable phase difference between the beams. The phase difference can be precisely adjusted to create a specific pattern on the substrate. NTACT nRad model is also well suited for use with other fabrication techniques such as electron-beam lithography, ion beam writing, and extreme ultraviolet lithography. A combination of these techniques can be used to create complex patterns of nanometer-scale features needed for modern device fabrication. Overall, nRad equipment is a powerful tool used in advanced lithography and fabrication processes. This system utilizes a two-beam interference interferometer to generate nanometer-scale features on substrates with extremely precise, non-destructive patterning. As a result, it is a key component in current lithography paradigms and highly sought after in the industry.