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S-4500 现货在仓预售

博九福彩网发布时间: 2018-03-22

  • S-4500  现货在仓预售
  • S-4500  现货在仓预售
  • S-4500  现货在仓预售
  • S-4500  现货在仓预售
  • S-4500  现货在仓预售

HITACHI S-4500 SEM COLD FIELD EMISSION SYSTEM consisting of:

- Model: S-4500 SEM
- Field Emission Scanning Electron Microscope (FE-SEM) 
Specifications:
- Secondary electron image resolution: 1.5 nm at 15 kVA
- Magnification: 20x – 500KX

Electron Optics:
- Electron Gun: Cold field emission source
- Lens Type: Electromagnetic
- Objective Aperture: 4 position externally selectable

Performance:
- Objective aperture: 4 position externally selectable
- Stigmator: Octopole electromagnetic
- Scanning Coil: 2-stage electromagnetic

Sample Chamber:
- Size: Type II
- Airlock: Pre-pumped, max sample size: 150mm diameter
- Stage Motion: 5-axis manual; X/Y: 100mm/50 mm, Z: 3-33 mm, T: -5 Deg - +60 Deg., R: 360 Deg continuous

Display System:
- Image Display: Dual 12” Monitors
- Scanning Mode: Normal, reduced area, line scan, photo scan, spot position, split screen
- Scanning Speed: TV, 0.3, 2, 9, 25, 35, 100, 160 320 s/frame
- Signal Processing: Real-time processing, auto-brightness and contrast control, dynamic stigmator, autofocus
- Frame averaging, frame integration, contrast conversion

Vacuum System:
- Full automatic operation with pneumatic valve control
- Ultimate vacuum: 10 (-7) Pa in electron gun chamber, 10(-4) Pa in specimen chamber
- Seiko-Seiki STP Turbo Pump
- Alcatel & Hitachi Roughing Pumps

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