Used ULTRATECH 1500 #9098755 for sale

ULTRATECH 1500 is a top-of-the-line wafer stepper developed by ULTRATECH, an industry leader in semiconductor equipment and process control solutions. Featuring a proprietary two-step process, the stepper is designed to enable fast, precise lithographic patterning of advanced semiconductor device structures. 1500 also includes a range of advanced features to make device fabrication easier and more efficient. The two-step process of ULTRATECH 1500 begins with the apposition of a quartz reticle onto the wafer. The reticle contains a master pattern, which is converted into an array of sub-patterns by exposing the wafer to ultraviolet light. The UV light passes through a quartz optical mask, which extends the range of pattern sizes. The second step of the process involves either the transfer of the patterns onto the wafer through dry or wet etching, or the direct-write operation of the apparatus, which enables high-resolution patterning with the aid of an array of multiple focused ion beams. 1500 also features a variety of other advanced features, such as a full-range Vacuum Kinetic Indexer (VKI), which allows for an improved range of motions and better accuracy. Additionally, the stepper has an onboard calibration module, which is designed to measure the optical path (focus, aberrations) and provide high-resolution, real-time feedback for the purposes of optimized lithography. Safety features integral to ULTRATECH 1500 include an ultraviolet safety interlock, an auto-release feature, and evacuation/air supplied safety modules. Furthermore, its ergonomic design allows for an improved operator experience, with an integrated touchscreen interface that simplifies product setup and operation. In sum, 1500 is an advanced, high-precision wafer stepper for the fabrication of sophisticated semiconductor devices. Its proprietary two-step process minimizes exposure time and allows for precise lithographic patterning <em>,</em> while its array of advanced features provide users with an improved operator experience, as well as increased efficiency and safety.