Bioforce Nanosciences has received US Patent No. 7,690,325, "Method and apparatus for depositing material onto a surface." The patent claims a method for depositing material on a surface using an elongated beam. According to the patent, the beam includes an aperture through which material is moved by passive adsorption. It can be substantially planar along its entire length, can be oriented at an acute angle with respect to the surface during deposition processes, and can have a length no greater than about 2 mm.