At 1000 watts, the new MetalJet E1+ delivers 17 times more X-ray flux across a broad spectral range compared to a 30 W conventional tungsten-solid-anode microfocus source with the same 30 µm spot size. In the spectral range of 24-29 keV where the indium and tin characteristic emission lines are present, the flux advantage is as high as 100 times.
Built for 24/7 continuous performance
The MetalJet E1+ is designed for high-throughput, 100% duty-cycle operation with up to once-per-year preventive maintenance cycles. This eliminates the need for frequent filament changes as required by traditional tubes.
Sub-µm positional stability
Although running at a high thermal load of 1000 W, the MetalJet E1+ maintains a positional stability of below 1 µm during continuous long-term operation.
Single (left or right) X-ray window or dual (left and right)
User variable size and aspect ratio of spot
LaB6 long-life cathode
Very stable X-ray emission and spot position
User-friendly Graphical User Interface
Controlled through GUI or TCP/IP protocol
Adjustable take-off angle
No external cooling water requirement
Operated remotely from any computer
Liquid metal alloy
Min. focal spot size
< 10 μm
< 1 μm
Min. focus-object distance
Available target alloys
1) The room temperature liquid metal alloys supplied for the MetalJet source consist mainly of gallium, indium and tin. They have low reactivity and low toxicity but should be handled according to their safety data sheets and local regulations.
2) The actual power used is dependent on spot-size and voltage. However, maximum output power of the 160 kV high-voltage generators is 3000 W software limited to 1000 W.
3) Standard deviation.
4) Operation of ExAlloy-G1, ExAlloy-I2 and ExAlloy-I3 requires that the MetalJet E1+ source is equipped with a heater system to manage the alloy temperature.
5) Examples are based on simulations that typically correspond well to experimental validation. Please contact us for details on such simulations vs. experiment validations including experimental method. 6) The spot size is measured as the full width at half maximum (FWHM) of the X-ray intensity distribution integrated in the horizontal and vertical directions respectively. The X-ray spots are realized by various degree of e-beam line focus with a maximum aspect ratio of 6:1. Actual spot size may differ depending on viewing angle and may have different width and height. Please contact us for more details.
Installation and operation
The source consists of the head and the pump system with dimensions shown in the drawing. The head must be mounted essentially straight above the pump system. The coupling is semi-rigid, allowing some movement of the source head. Sources operating with ExAlloy-G1, ExAlloy-I2 and ExAlloy-I3 are equipped with heater jackets around parts in the alloy recirculation loop (not shown in the drawing).
In addition, the MetalJet E1+ 160 kV consists of several 19” rack mounted parts that can be mounted up to 4 m from the head and pump system.
The source can be remotely operated through TCP/IP or directly through the GUI. The GUI can be operated on the source itself if it is equipped with monitor, keyboard and mouse, or on most computer platforms with a TCP/IP connection to the source.
The source cannot be operated as a standalone unit and must be integrated into a system providing the proper interlock connections.
Mains: AC, single phase, 200-240 V, 2.6 kW-3.5 kW (depending on configuration), 50/60 Hz.
Ambient: 20-30 °C (stable within ± 0.5 °C for optimal source stability), max 85% relative humidity.
The Excillum MetalJet E1+ 160 kV is partly based on technology developed in a project that has received funding from the ECSEL Joint Undertaking (JU) under grant agreement No 826589. The JU receives support from the European Union’s Horizon 2020 research and innovation programme and France, Germany, Austria, Italy, Sweden, Netherlands, Belgium, Hungary, Romania, Israel.
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