Before revision: History Historically, micro process engineering originated around the 1980s, when mechanical micromachining methods developed for the fabrication of uranium isotope separation nozzles were first applied to the manufacturing of compact heat exchangers at the Karlsruhe (Nuclear) Research Center.
After revision: LOLOLOLOLOLHistory Historically, micro process engineering originated around the 1980s, when mechanical micromachining methods developed for the fabrication of uranium isotope separation nozzles were first applied to the manufacturing of compact heat exchangers at the Karlsruhe (Nuclear) Research Center.