This excerpt taken from the OSIS 10-K filed Sep 29, 2005.
In 1998, we purchased the security products business of Metorex International Oy (since renamed Rapiscan Systems Oy) of Espoo, Finland. This acquisition brought a complete security metal detection product line to complement our existing security and inspection systems group.
In 1998, we acquired all the outstanding stock of Silicon Microstructures, Inc., a silicon pressure-sensor manufacturer, from Exar Corporation located in Fremont, California. On March 31, 2001, we sold all of the outstanding stock of Silicon Microstructures, Inc. to Elmos Semiconductor AG of Germany.