The proposed internal combustion engine may be characterized by two mobile opposite cylinders rigidly attached to each other. The format attributes defining the format of one or more source objects are captured, and from among the captured attributes, format attributes are selected. The flexible circuit includes a lead in portion and a tail portion. The energetic neutral atoms and molecules in the beam have an average kinetic energy in a range from about 1 eV to about 5 eV. The corresponding patterned films are also described.