Used HITACHI WB-3100 #9256081 for sale

ID: 9256081
Wafer bump inspection system.
HITACHI WB-3100 is a type of scanning electron microscope (SEM) that utilizes an electron column to create an image of a specimen. Its column is equipped with several detectors, such as a secondary electron detector, a back-scattered electron detector, and an energy dispersive X-ray detector. This SEM features an operating voltage of 0.2 to 30kV, and a coil-shaped electron gun with a polarization diaphragm. It uses a pair of magnetic lenses to focus the electron beam onto the specimen. An automatic level detector is also implemented, enabling precise focus positioning. The instrument has a wide observation field of up to 124mm x 86mm. It also offers a wide variety of magnifications, ranging from 20x to around 1600x. With the help of the field emission gun, it enables faster imaging with a stable beam current. It comes with an innovative digital camera equipment, which is equipped with up to ten megapixel cameras. This helps capture images with better resolution and color accuracy. The camera system also features an image memory function for storing images in the internal memory. The microscope has a high-speed and high-accuracy control unit, enabling smooth scanning with optimized step-sizes and electron beam angles. An auto alignment machine is also implemented that can precisely adjust the tilt angle between 45 and 60 degrees. WB-3100 is fully user-friendly, with interactive and comprehensive operation screens. It also offers a wide range of features, such as an automatic self-calibration and maintenance cycle, a defect inspection mode, a specimen tilt function, and a variety of pre-programmed operating modes. The instrument is also equipped with an EDS (Energy Dispersive X-Ray Spectrometer) for elemental analysis. It has a low noise detector, enabling the instrument to detect trace amounts of elements. Lastly, the microscope also comes with a vibration isolation table, which drastically reduces the absorption of vibration by the instrument, thus ensuring smooth imaging.
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