Polytec, the market leader in non-contact, laser-based vibration measurement technology, has integrated THôT Technologies into Polytec LLC - Disk & Drive Measurement Solutions, a new company delivering critical and enabling metrology for next generation disk drives. Both companies have a long and prestigious history serving HDD manufacturers – Polytec through single-point and scanning laser vibrometers that enable modal, ODS and dynamic characterization and THôT through their remarkable, turn-key product line including Defect Analysis Stations to detect nano-asperities and nano-pits, Morphology Testers for disk surfaces and Spindle and Shaft Testers. THôT was founded in 1991 and acquired by Polytec in 2008.