Floptical Drives
Magneto-optical drives should not be confused with Floptical drives, which likewise combine ferromagnetic and optical technologies, albeit in a different manner. Flopticals are 21 megabyte 90 mm magnetic diskettes using optical tracks to increase the tracking precision of the magnetic head; from the usual 135 tracks per inch to 1,250 tracks per inch. No laser or heating is involved; a simple infrared LED is used to follow the optical tracks, while a magnetic head touched the recording surface. The drives can also read and write traditional 90 mm diskettes, although not the 2.88 megabyte variety. Flopticals were manufactured by Insite Peripherals, a company founded by Jim Burke.
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