Browsing by Subject "Scanning electron microscopy"

Now showing items 1-2 of 2

    • An infrared and SEM study of the margins of some german hyperinflation postage stamps 
      Gómez Jeria, Juan; Clavijo Campos, Ernesto; Cárcamo Vega, José; Gutierrez, Sebastian (RJPBCS Research Journal Pharmaceutical, Biological & Chemical Sciences, 2018-04)
      Infrared spectroscopy and scanning electron microscopy (SEM) studies were performed on the margins (the area without printed colors) of a set of German postage stamps dated 1923 and corresponding to the hyperinflationary ...
    • Selective chemical etching for studying the front side contact in thick film screen printed crystalline ... 
      Ferrada, P.; Portillo, C.; Cabrera, E.; Kopecek, R.; Poncebustos, M.; Kogan Bocian, Marcelo; Del Campo, V.; Fuentealba, E. (Sociedad Chilena de Quimica, 2015)
      Crystalline silicon solar cells are currently the leading technology in the photovoltaic market with no great expectable change in the shares. The scientific community works on the further development and improvements of ...