二手 HITACHI S-4700 Type II #9226563 待售

Field Emission Scanning Electron Microscope (FE-SEM), 6" Substrates, 6" Main unit: HITACHI FE Tip (Vext 4.7) (4) BARTON Ion pumps Main chamber pump: Diffusion pump Stage: Type 2 (5 Axes motor) (2) SE Detectors Ion pump power: HITACHI Electron BSE Detector Vibration isolation table Utility: (2) Rotary pumps Down transformer: Auto transformer (2) Pumping hose types Resolution: Accelerating voltage: 15 kV Working distance: 12 mm - 1.5 nm Accelerating voltage: 1 kV Working distance: 2.5 mm - 2.5 nm Magnification: High magnification mode: 100x to 500,000x Low magnification mode: 20x to 2,000x Electron optics: Electron gun: Cold cathode field emission type Extracting voltage (Vext): 0 to 6.5 kV Accelerating voltage (Vacc): 0.5 to 30 kV (in 100 V steps) Lens: 3 Stages electromagnetic lens, reduction type Objective lens aperture: Movable aperture (4 Openings selectable / Alignable outside column) Self-cleaning thin aperture Astigmatism correction coil (Stigmator) type: Electromagnetic Scanning coil type: 2 Stages electromagnetic-deflection Specimen stage: X Traverse: 0 to 25 mm Y Traverse: 0 to 25 mm Z Traverse: 2.5 to 27.5 mm Tilt: -5° to +45° Airlock type: Specimen exchange: 100 mm (Diameter) Display unit: Display type: LCD Monitor Photo CRT (Option): Ultra-high resolution (Effective field of view 120 × 90 mm) Control PC: COMPAQ DC7700 Control panel: HITACHI Image control panel Keyboard: HP 101 Keyboard (English) Operating system: Windows XP Scanning modes: (Normal scan) Reduced area scan Line scan Sport analysis Average concentration analysis Scanning speeds: Fast, slow 0.5 to 40 / sec per frame for viewing 20/17, 40/33, 80/67, 160/167, 320/333 sec per frame for photo mode Value of (50 / 60 Hz) Fast: NTSC / PAL Signal Evacuation system: System type: Fully automatic pneumatic-valve system Ultimate vacuum levels: Specimen chamber: 7 x 10^-4 Pa Electron gun chamber: IP-1: 1 x 10^-7 Pa / Better IP-2: 2 x 10^-6 Pa / Better IP-3: 7 x 10^-5 Pa / Better Vacuum pumps: Electron optical system: (3) Ion pumps Specimen chamber: Turbo molecular pump (2) Oil rotary pumps Compressor: Oil-less type compressor Protection devices: Power failure Cooling-water interruption Inadequate vacuum 1998 vintage.