Ultratech Inc. announced it will purchase Oraxion Inc. of Fremont, Calif., a privately held company that makes surface metrology and stress analysis capital equipment for the semiconductor industry. Terms of the deal were not disclosed. Ultratech, a supplier of lithography and laser-processing systems used to manufacture semiconductors and nanotechnology devices, said it believes the deal, which it is still negotiating with Oraxion, will prove to be an important component of its strategic growth efforts. For more information, visit: www.ultratech.com