[ Instrument Network Instrument Development ] The National Key R&D Program, which is led by Shanghai Supergroup Non-destructive Testing Equipment Co., Ltd., has focused on the development and application of high-performance and high-reliability X-ray tubes. It broke through the key technologies of high pressure introduction design, anode and anode surface treatment, vacuum packaging, etc., and independently developed a high performance X-ray tube sample tube of 200kV/0.4mm spot. Recently, the project successfully passed the mid-term inspection organized by the High Technology Center of the Ministry of Science and Technology.
Shanghai Supergroup Non-destructive Testing Equipment Co., Ltd. is a professional X-ray equipment manufacturer at home and abroad. It has more than 60 years of experience in X-ray field, and has mastered electronic glass, glass bulb, X-ray tube and X-ray high voltage source. Non-destructive testing system The key production technology of the whole machine has strong vertical integration capability.
X-ray tube is a key core component of important scientific instruments such as X-ray intelligent inspection system and X-ray image analyzer. China has mastered 160kV/0.8mm, 160kV/0.5mm, 180kV/0.8mm, 200kV/1.0mm, The series of X-ray tubes of 200kV/0.8mm and other technologies are in the leading position in X-ray tubes for global safety inspection. If the tube voltage of the X-ray tube is increased and the spot size is reduced to less than 0.5 mm, the penetration and resolution of the X-ray inspection system and the analyzer will be greatly improved. Therefore, the independent development of high-voltage/small spot high-performance and high-reliability X-ray tubes is of great significance to the development of industrial CT and other related industries in China and national security.
On November 23, 2017, the kick-off meeting of the “High-performance and High-reliability X-ray Tube Development and Application†project of the National Key R&D Program for Major Scientific Instruments and Equipment Development was successfully held. The project is aimed at the high voltage and spot stability of X-ray tube caused by high voltage and small spot. The finite element method and electronic optical simulation software are used to rationally design the high voltage structure, focusing system and heat dissipation mechanism of the optical tube. Developed a series of manufacturing and testing key equipments such as vacuum high-voltage insulation test benches, breakthrough high-pressure introduction design, in-depth study of anode and cathode materials and surface treatment technology, parts and X-ray tube processing technology, from design, manufacture, processing and testing The key technologies for high-pressure stabilization and spot stabilization of light pipes are studied.
At present, the 200kV/0.4mm spot X-ray tube sample tube independently developed by the "High-performance and high-reliability X-ray tube development and application" project has completed small-scale trial production, in X-ray intelligent inspection system and X-ray image analysis. Demonstration verification of the application on the instrument.
In the next step, the project will focus on the engineering and industrialization of high-performance and high-reliability X-ray tubes, and form a batch production capacity, which will provide strong support for the development of X-ray intelligent inspection systems and image analyzers in China.
(Source: Ministry of Science and Technology, Shanghai Supergroup Nondestructive Testing Equipment Co., Ltd., China Vacuum Network)
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November 24, 2022