Used NIKON G7A #9054960 for sale

NIKON G7A is a motorized wafer stepper that is designed to facilitate automated wafer processing. The device is used to accurately measure and move wafers for precise alignment with target components. It features a segmented five-axis motion system which can quickly and precisely move a wafer along an X-, Y- and Z-axis. The motion accuracy of G7A is rated at 0.2 μm, making it suitable for precise wafer manipulation. NIKON G7A utilizes advanced image processing software to measure the position and alignment of a wafer and guide its motion. It has a programmable computer with a large memory, allowing for repeatable, customized processes and data management. Additionally, the machine is equipped with a built-in laser fringing microscope, enabling real-time measurement of a wafer's position. The device is equipped with a novel closed loop control system that actively tracks and adjusts for motion errors. This ensures accurate positioning of the wafer, regardless of machine or environmental changes. Other features of G7A include a DC motor drive for smoother operation, a DC-amplified piezoelectric motor, and a maintenance-free linear air bearing that minimizes mechanical friction. NIKON G7A is also designed with a modularized construction that simplifies maintenance. All of its printed circuit boards are easily accessible, allowing for quick replacement of components without a technician. The device is capable of being installed directly into a production line and it is enclosed in an airtight casing to protect the machine from dust and debris. Essentially, G7A is a highly versatile and precise motorized wafer stepper designed for automation. It features advanced motion and image processing capabilities that enable it to handle a variety of wafer manipulation tasks with remarkable accuracy and speed. Ultimately, the device is an invaluable asset for production lines that require reliable and efficient wafer processing.