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Kapton is a polyimide film developed by DuPont in the late 1960s that remains stable across a wide range of temperatures, from −269 to +400 °C (−452 to 752 °F; 4 to 673 K). Kapton is used in, among other things, flexible printed circuits (flexible electronics) and thermal blankets used on spacecraft, satellites, and various space instruments.
Beryllium window device with gas and water cooling protection
The application discloses a beryllium window device with gas and water cooling protection, which is characterized by comprising a water cooling beryllium window and a gas beryllium window protection device; the gas beryllium window protection device comprises a Kapton film, two gas pipelines and a terminal flange; a fixed flange on the atmospheric side of the water cooling beryllium window is connected with the terminal flange, the Kapton film is installed in a knife edge of the fixed flange; two through holes are arranged on the side wall of the fixed flange and are respectively in sealed connection with the gas pipelines, one of the gas pipelines is used for connecting cooling air to cool beryllium sheets in the water cooling beryllium window, and the other gas pipeline is used for discharging gas to form air cooling circulation. On the basis of the water cooling beryllium window, a set of gas protection device is added, and the service life of the beryllium window can be prolonged by means of air cooling, and the harm of beryllium oxidation to the human body can be avoided.
Owner:INST OF HIGH ENERGY PHYSICS CHINESE ACAD OF SCI