Used GATAN 691 #293622189 for sale

GATAN 691 is a high-precision ion milling equipment used for precision surface preparation of a variety of materials for subsequent analysis by scanning electron or atomic force microscopes. Its principal application is the production of patterned, cross sectional or depth replicas for a variety of applications including determination of surface composition, surface topography, crystal structure, and 3-D microstructures. 691 is a fully automated system capable of precise control of a variety of ions such as argon, oxygen, neon, and helium. It is designed to provide precise ion beam energies and can be used in both gas and vacuum environments. The unit utilizes beam-forming and beam-focusing components to ensure accurate, uniform beam angles and beam intensities. To ensure the highest levels of precision, GATAN 691 incorporates a precise feed-forward loop for ion angle control, and a multi-axis robotic manipulator for precise sample positioning and acquisition of well-defined depth-profile data. 691 ion milling machine also incorporates a wide range of environment control features to ensure optimal process conditions. The tool incorporates gas delivery and vacuum components with pneumatic backup systems, pre-configured gas blends and safety protocols. In-vacuum pressure and vacuum gauge measurements are displayed in real-time on the asset's control panel, making adjustments easy and accurate. GATAN 691 model is also equipped with an extensive set of process monitoring and automation features, such as high-resolution digitally-controlled beam intensity and energy settings, real-time current and voltage readings, thermal energy monitoring, and various real-time data- logging functionalities. Additionally, the equipment incorporates several ion sources, allowing users to tailor the system to their individual applications and process needs. 691 unit is an exceptionally versatile instrument, and an effective solution for a variety of surface analysis and nanofabrication tasks. Its precise beam angles and beam energies, coupled with its robust environmental control and precision ion beam control, make GATAN 691 a powerful and efficient tool for surface characterization and modification.