This invention provides a pattern exposure method which may be used for effectively preparing, for example, a DNA or peptide array with a lower cost and a device therefor. Specifically, the method is a method for pattern exposure comprising the step of exposing a photosensitive material on a solid-phase...http://www.google.de/patents/US6569671?utm_source=gb-gplus-sharePatent US6569671 - Pattern exposure method, exposure device, formation of nucleic acid array, and formation of peptide array