Dk. Devries et al., DISCRETIZATION OF CURVED LINES AND ARBITRARY AREAS FOR ION AND ELECTRON-BEAM WRITING ON A NONRECTANGULAR GRID, Journal of vacuum science & technology. B, Microelectronics and nanometer structures processing, measurement and phenomena, 12(1), 1994, pp. 14-19
A method is presented to discretize almost arbitrary curves and areas
on nonrectangular grids. This method can be applied in focused ion and
electron beam systems. Distortion of the physical writing grid can be
taken into account at the discretization, thus eliminating the need f
or a correction step afterwards.