Imaging device diagram

A few days ago, the research team of the National Science and Technology Support Program "Carbon Nano X-ray Emission Source CT System R & D" undertaken by the Shenzhen Institute of Advanced Technology of the Chinese Academy of Sciences successfully obtained the first X-ray two-dimensional imaging map using independently developed carbon nanotube film . The expert group believes that this is the breakthrough progress and achievements made by China in the research of carbon nanotube X-ray source imaging.

According to reports, the carbon nanotube X-ray source has been developed in recent years and is considered to be a revolutionary new X-ray source. The carbon nanotube X-ray source innovatively replaces the hot cathode with a carbon nanotube field emission cathode, so that the X-ray source has many advantages such as controllable emission, high time resolution, low power consumption, and easy integration. These advantages will bring structural breakthroughs to X-ray CT. Among them, one of the most promising directions is the static scanning CT based on the carbon nanotube X-ray source array. The CT replaces the traditional mechanical rotation with electronic scanning to obtain images at different angles, which can eliminate the imaging artifacts caused by the mechanical rotation, shorten the scanning time, thereby reducing the radiation dose of the patient and improving the image accuracy of the CT scan.

After nearly two years of technical research, the research team of the Laotebo Medical Imaging Center of the Medical Institute of the Shenzhen Advanced Institute of the Chinese Academy of Sciences has prepared carbon nanotube films with excellent performance and developed an X-ray imaging system based on a new light source. The emission current density of the independently developed carbon nanotube film has reached the international advanced level, and the X-ray source imaging system developed has obtained the first X-ray two-dimensional imaging map. The team is currently further improving the stability of the cathode and optimizing the structure of the ray source in order to carry out CT three-dimensional imaging.

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