['This', 'model', 'was', 'tested', 'under', 'various', 'conditions', '[', '40', ']', ',', 'which', 'returned', 'good', 'results', 'and', 'an', 'accurate', 'prediction', 'of', 'the', 'relation', 'between', 'the', 'incident', 'angle', 'of', 'the', 'deposition', 'flux', 'and', 'the', 'tilt', 'angle', 'of', 'the', 'columns', 'for', 'several', 'materials', '.']