Schott Fostec, a subsidiary of Schott Corp., announced it is now Schott North America Inc., part of Schott's fiber optic segment. Schott said the move is in keeping with its goal of a consistent worldwide strategy for North America. Located in Auburn, N.Y., Schott North America makes fiber optic and LED technology for the machine vision and microscopy industries and is a supplier of fiber optic and LED components to the medical and industrial markets. Schott North America Inc., Fiber Optics, is located at 62 Columbus St., Auburn, NY 13021-3137; phone: 315-255-2791; fax: 315-255-2695. For more information, visit: www.us.schott.com/fiberoptics; e-mail: fiberoptics.auburn@us.schott.com. . .Hypertherm Inc., a Hanover, N.H., developer of high-temperature metal cutting technologies, and Rofin-Sinar Inc., a Plymouth, Mich.-based manufacturer of industrial lasers, announced they will jointly offer laser retrofit packages in North America. The companies said they are offering a variety of retrofit packages that include Hypertherm's FAST Laser laser-cutting heads and Mariner controller coupled with Rofin-Sinar's DC slab and RF laser series resonators.. . .Hitachi Medical Systems America has signed a three-year purchasing agreement with health care supply company Novation, of Irving, Texas, for Hitachi Altaire and AIRIS II magnetic resonance imaging systems.