An X-ray emitting target including a diamond substrate, a first layer disposed on the diamond substrate and including a first metal, and a second layer disposed on the first layer and including a second metal whose atomic number is 42 or more and which has a thermal conductivity higher than that of the first metal. The electrical shield has a body of moldable structural foam material that has channels formed on one side to accommodate electrical cables on the backplane. , characterized in that the polymerization is carried out in the presence of one or more copolymerizable surfactants in agreement with the formula described below . Also disclosed is a technique for output parameter binding. 1 to 10 mol %, based on the 2-methoxyacetoacetoanilide, and a diazo component obtained by diazotizing 2-methoxy-4-nitroaniline, .