Used ULTRATECH Ultrastep 990 #9237976 for sale

ULTRATECH Ultrastep 990 is an advanced, high precision wafer stepper designed for sub-micron lithography, providing excellent critical dimension (CD) control and repeatability. The equipment utilizes advanced hardware and software to achieve high throughput while maintaining excellent accuracy. At the heart of Ultrastep 990 is an advanced optical imaging subsystem. The optical system provides both high-resolution image acquisition and precise wafer registration for every exposure. Precise alignment accuracy of 0.5 μm (one tenth of the 1 μm feature size) is achieved with high-precision linear and angular encoders. The unit is powered by an intuitive graphical user interface (GUI) designed for easy and efficient operation. The GUI allows for complete control of machine parameters, such as speed and accuracy as well as job execution. Additionally, it offers comprehensive reporting capabilities, enabling the user to monitor wafer throughput, detect and correct errors, and ensure optimal process control. ULTRATECH Ultrastep 990 utilizes a proprietary ultra-high speed light source to achieve fast wafer processing with minimal overhead. Its wide aperture and dual laser sensors provide excellent detection capabilities, even with dense patterns. Additionally, its advanced scan processor and wafer stage provide fast and accurate patterning on the exposed wafer surface. Ultrastep 990 is designed for reliable and efficient operation, even in the most demanding environments. Its robust vacuum chucking tool ensures stable loading and unloading of wafers and its rigid frame construction and sealed optical cabinet minimize airborne contamination. Furthermore, its advanced vibration isolation asset prevents disturbances from environmental noise. ULTRATECH Ultrastep 990 is an excellent choice for optimal lithography throughput. Its robust hardware and software architecture, combined with its excellent imaging and registration capabilities, make it the perfect model for precision sub-micron lithography. With its exceptional performance and reliability, Ultrastep 990 is sure to satisfy the most demanding of lithography needs.