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NDT.net Issue - 2014-07 - NEWS
NDT.net Issue: 2014-07
Publication: e-Journal of Nondestructive Testing (NDT) ISSN 1435-4934 (NDT.net Journal)

Innovative internal cooling for sub microfocus X-ray tubes of new product line TCNF reduces movement of focal spot position by more than 90%

X-RAY WorX GmbH18, Garbsen, Germany

Garbsen, 17. June 2014. X-RAY WorX has developed an innovative internal cooling for microfocus transmission tubes of the new product line TCNF. The new technology reduces the movement of the focal spot by more than 90% compared to the previously used external cooling.

Microfocus X-ray tube XWT-160-TCNF

Microfocus transmission tubes of the product line TCNF are mainly used for highest-resolution computed tomography (CT) with resolutions less than one micron (µm). Typical fields of application are e.g. research and development as well as semiconductor industry. To achieve detailed and sharp high resolution cross-sections, it is very important to maintain a stable focal spot position during the entire scanning time. The external cooling, which was previously developed by X-RAY WorX, already provided improved results compared to X-ray tubes without cooling. Now, the new internal cooling reduces movement of the focal spot by an additional amount of 90%.

Technically, the internal cooling is implemented by cooling channels inside the coils of the electron optics. An active cooler ensures a constant temperature of the cooling agent. When working with resolutions of less than 1 micron (µm), the movement of the focal spot is virtually no longer measurable. Tests in the laboratory showed focal spot movements of less than one micron over a period of four hours. The setup used for the testing was optimized for vibration-free operation. The tube was operated at 100kV, 2.6 Watt target power and approximately 0.8 µm resolution.

In addition TCNF X-ray tubes are equipped with the new High Resolution Diamond Target, which ensures continuous stability of the target surface during long-term CT-scans. With both, the internal cooling and the High Resolution Diamond Target, the product line TCNF is the perfect solution for highest-resolution computed tomography applications requiring an extremely stable focal spot position and long-term stability during the scan. X-RAY WorX offers TCNF X-ray tubes with acceleration voltages of 100kV or 160kV.

About X-RAY WorX
Since 2010 the company X-RAY WorX GmbH from Garbsen near Hanover established as one of the world's leading independent manufacturers of high-resolution microfocus X-ray tubes for non-destructive testing in industry and research. Microfocus X-ray tubes are applied in X-ray microscopy, high-resolution computed tomography (CT) as well as in digital radiography with rod anode tubes.
The high-tech company X-RAY WorX develops and manufactures its microfocus X-ray tubes in Germany and delivers them to OEM partners and end users worldwide. In addition, the team of X-RAY WorX is continuously working on innovations and further improvements in microfocus X-ray technology. Microfocus X-ray systems are used in various industries such as e.g.: aerospace, automotive and electronics industries, in medical technology, in energy, pipeline and process industries as well as in research and development departments or research institutes. The wide range of different microfocus X-ray tubes with transmission targets, reflection targets or rod anodes offers an appropriate solution for every customer requirement.
The X-RAY WorX portfolio of products is completed by services such as installation, maintenance and repair of X-ray tubes and X-ray systems as well as supply of spare parts. The company also imparts hands-on experiences in training courses, supporting customers to install and operate microfocus X-ray systems effectively and safely.

Siemensstraße 26
D-30827 Garbsen

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