Before revision: Advances in thin film deposition techniques during the 20th century have enabled a wide range of technological breakthroughs in areas such as magnetic recording media, electronic semiconductor devices, integrated passive devices, LEDs , optical coatings (such as antireflective coatings), hard coatings on cutting tools, and for both energy generation (e.g.
After revision: Advances in thin film deposition techniques during the 20th century have enabled a wide range of technological breakthroughs in areas such as magnetic recording media, electronic semiconductor devices, integrated passive devices, light-emitting diodes , optical coatings (such as antireflective coatings), hard coatings on cutting tools, and for both energy generation (e.g.