二手 HITACHI S-4700 #150536 待售

FE SEM 1.5 nm resolution at 15 kV, 12 mm WD 2.5 nm resolution at 1 kV, 2.5 mm WD Magnification ranges: 30x to 500,000x Specimen tilt at 12 mm WD up to 45° Brightness: ~ 2 X 109 A / cm2/sr Energy spread: 0.2 to 0.3 eV Sample capacity: 100mm diameter x 17mm thick H maximum Oil-free vacuum systems pump column and sample exchange Image modes: secondary and backscattered electron images (2) Secondary electron detectors: above and below objective lens Digital image formats: BMP, TIFF, JPEG at 640 X 480, 1280 X 960, or 1560 X 1920 pixels Includes: Non-cryo sample holders CryoSEM observation using EMITECH K-1250 cryo stage Backscatter imaging at TV rates and low voltage (threshold 2.5 kV on gold) with Autrata modified YAG (yttrium aluminum garnet, cerium doped) crystal KEITHLEY specimen current detector Applications: High-resolution topographic contrast (Se) and atomic number contrast (BSe) imaging of biological and non-biological samples in both room temperature and cryo modes Applicable to imaging of immunogold labeled individual cells and bacteria Specifications: Secondary electron image resolution 2.1 nm guaranteed (at 1 kV) 1.5 nm guaranteed (at 15 kV and W.D. 12 mm or X-ray analysis position) Backscattered electron image resolution (optional) 3.0 nm guaranteed (at 15 kV YAG detector, optional) Cold finger and specimen exchange chamber as standard. Allowing sample exchange via airlock without repositioning Optional integrated EDX system with 30 degree take-off angle Fully digital imaging, image processing and archiving system Dual SE detectors for versatile imaging (SE and BSE) ExB energy filter Beam shift: +/-15um.