JEOL
14.2.2020 07:02:08 CET | Business Wire | Press release
JEOL Ltd. (TOKYO:6951) (President & COO Izumi Oi) announces the release of a new atomic resolution analytical electron microscope, JEM-ARM300F2 (GRAND ARM(TM)2) to be released in February 2020.
This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20200213005977/en/
Product development background
In Electron Microscopy, a great number of microscopists and engineers have continued to pursue the improvement of resolution. Meanwhile, JEOL has made efforts to improve the stability of the transmission electron microscope (TEM). Combining aberration correction technologies with these efforts, we have successfully achieved superbly high resolution.
The JEM-ARM300F (GRAND ARM(TM)) is an atomic resolution TEM focused on achieving the best-in-class resolution. But the demands for the modern TEM include characterization of not only hard materials but also soft materials. Under these circumstances, TEM users request further improved resolution and analysis with a higher degree of accuracy.
JEOL has developed a new TEM, the JEM-ARM300F2 (GRAND ARM(TM)2), which meets these requests. This ultrahigh atomic resolution analytical TEM has many features. In particular, with a new objective lens polepiece, “FHP2”, the GRAND ARM(TM)2 achieves an optimal combination of superbly-high atomic resolution imaging along with best-in-class, large solid angle EDS elemental analysis.
The standard configuration of GRAND ARM(TM)2 includes an enclosure that mitigates external disturbances, thus leading to higher stability of the instrument.
Main features
1. An optimal combination of ultrahigh spatial resolution with high sensitivity X-ray analysis.
The features of the newly developed FHP2 objective lens polepiece are as follows:
1) Compared with the previous FHP, the FHP2 provides higher X-ray detection efficiency (1.4sr), more than double that of the FHP.
2) A low optical coefficient, low Cc coefficient & low Cs coefficient enable ultrahigh spatial resolution and high sensitivity X-ray analysis to be performed over a range of accelerating voltages.
(Guaranteed STEM resolution: 53pm at 300kV, 96pm at 80kV)*
*This is when the STEM Expanding Trajectory Aberration (ETA) Corrector is configured.
2. The Wide Gap Polepiece (WGP) for the objective lens enables ultrahigh sensitivity X-ray analysis.
This polepiece, with a wide gap between the upper pole and lower pole, has the following advantages:
1) The WGP allows large-area SDDs (silicon drift detectors) to be brought closer to the specimen, achieving ultrahigh sensitivity X-ray analysis (total solid angle of 2.2sr).
2) The WGP accommodates thicker specimen holders, allowing for various types of in-situ experiments.
3. Spherical aberration (Cs) correctors developed by JEOL are integrated into the microscope column and provide ultrahigh spatial resolution.
1) Combined with the FHP2, the GRAND ARM(TM)2 achieves a STEM resolution of 53pm at 300kV.
2) Combined with the WGP, the GRAND ARM(TM)2 achieves a STEM resolution of 59pm at 300kV.
3) JEOL COSMO(TM) (Corrector System Module) makes it possible to perform aberration correction quickly and easily.
4. A cold field emission gun (Cold-FEG) is provided as standard.
The GRAND ARM(TM)2 is equipped with a Cold-FEG which provides a smaller energy spread from the electron source.
5. An enclosure that mitigates external disturbances
This new enclosure is standard for reducing external disturbances such as air flow, changes of room temperature and acoustic noise.
Main specifications
Guaranteed resolution
|
HAADF-STEM image: 53pm (with ETA corrector and FHP2)
|
Accelerating voltage |
Standard: 300kV and 80kV |
Energy dispersive X-ray spectrometer |
Large-area SDD (158 mm2): Dual detectors are possible
|
Annual unit sales target
10 units/year
JEOL Ltd.
3-1-2, Musashino, Akishima, Tokyo, 196-8558, Japan
Izumi Oi, President & COO
(Stock code: 6951, Tokyo Stock Exchange First Section)
www.jeol.com
View source version on businesswire.com: https://www.businesswire.com/news/home/20200213005977/en/
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