A researcher from Baghdad University obtained as part of a research team the patent from the Central Agency for Standardization and Quality Control / Department of Industrial Property of his successful design and manufacture of sensor (ZNO) with the crystal structure nano-metric record in a manner infusion blazma Alarcon / oxygen for the detection of gaseous O2), NO2). The research team are Dr. Bahaa Toma Jiyad from Baghdad University / Department of Physics, Dr. Mohamed Khammas Khalif from the Ministry of Science and Technology / Department of Research, Dr. Thaer Latif Mizel / Chemistry and Physics of Materials and Dr. Abdul Hussein Khudair Latif . This patent came from the provisions of Article 21 of the Patents Act, Industrial Designs No. 65 of 1970 and on the responsibility of the inventor.