Kühl, K.K.KühlLang, W.W.LangSandmaier, H.H.Sandmaier2022-03-082022-03-081991https://publica.fraunhofer.de/handle/publica/318351IR absorbing layers are used to transform radiation into heat. They must combine high absorption with low film thickness. Three methods for their deposition have been investigated: - Thin metallic films. - Platinum black deposited by a galvanic process. - Highly porous metals deposited by evaporation in nitrogen.enabsorberIR-detectorconference paper