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詳細(xì)介紹
日立新一代全數(shù)字化120kV透射電子顯微鏡HT7800，屬于日立瑠璃系列產(chǎn)品Ruli TEM，操作的一體化和自動(dòng)化程度都有明顯提高。HT7800系列產(chǎn)品有兩個(gè)型號(hào)HT7800和HT7830。
HT7800系列產(chǎn)品的*大特點(diǎn)是采用日立*新設(shè)計(jì)的**代雙隙物鏡，很好地繼承了日立120kV-TEM的基本理念，兼顧低倍率與寬視野觀察、高襯度與高分辨率觀察，可在同一儀器上一鍵切換等。集高襯度和高分辨兩種模式于一體，可同時(shí)滿足軟材料/納米材料類和生命科學(xué)類客戶對(duì)電鏡的需求。
HT7800使用高速高靈敏度的CMOS熒光屏相機(jī)取代了傳統(tǒng)的熒光屏觀察窗，將 TEM 操作統(tǒng)一于顯示器上，實(shí)現(xiàn)透射電鏡操作的全數(shù)字化，可以在明亮的室內(nèi)進(jìn)行觀察。這樣，既可以保護(hù)操作者和樣品，也可以顯著改善操作環(huán)境。
產(chǎn)品參數(shù)：
Item | HT7800(Standard) | HT7830 (UHR) | |
Gun | W, LaB6(option) | LaB6, W(option) | |
Resolution (lattice) ※１ | 0.204 nm@120kV (Off-axis) | 0.19 nm@120 kV (on-axis) | |
Magnification | Zoom | x200～x200,000 (HC) x4000～x600,000 (HR) (Non-rotation zooming system) | x1,000～x300,000 (HC) x4000～x1,000,000 (HR) |
Low Mag | x50～x1,000 | x100～x1,000 | |
Stage | 4-axis eucentric goniometer stage | 5-axis eucentric goniometer stage | |
Maximum tilt angle | ±70° | ±10° | |
3D tomography | Yes (Standardization) | No | |
STEM | Yes | Yes | |
EDS | Yes | Yes | |
Standard features | Auto focus, Microtrace, Autodrive, Live FFT, Measurement, Low dose, API (auto pre-irradiation), Image navigation function,, Whole view function*2, Drift correction function, 3D tilt image acquisition function*2, etc. | ||
Main option | STEM, Cold finger, X-ray analysis system (EDX), LaB6 filament*3, Beam stopper*3, Selected area aperture*3, 5-axis eucentric goniometer stage*3, TEM mapping, Various specimen holders, Dry pump, etc. | ||
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