Chinese researchers have developed an ultra-black coating with stable performance, according to the Harbin Institute of Technology.Ultra-black coating can absorb almost any light that falls on it and is widely used in precision optical instruments.The ultra-black coating developed by the research team from the Harbin Institute of Technology can absorb up to 99.8 percent of the wide spectrum.The new material can meet the needs of a variety of application conditions and extreme environments, with advanced performance and technical maturity compared with current similar products, according to the Harbin Institute of Technology.The ultra-black coating has been applied to thousands of products such as light shades, effectively improving the in-orbit detection capability and positioning accuracy of optical loads of the country's spacecraft.Chinese researchers have developed an ultra-black coating with stable performance, according to the Harbin Institute of Technology.Ultra-black coating can absorb almost any light that falls on it and is widely used in precision optical instruments.The ultra-black coating developed by the research team from the Harbin Institute of Technology can absorb up to 99.8 percent of the wide spectrum.The new material can meet the needs of a variety of application conditions and extreme environments, with advanced performance and technical maturity compared with current similar products, according to the Harbin Institute of Technology.The ultra-black coating has been applied to thousands of products such as light shades, effectively improving the in-orbit detection capability and positioning accuracy of optical loads of the country's spacecraft.