3M, a chemical company known for products such as adhesives and Post-it notes, also once produced floppy disks. The technology media IEEE Spectrum explains the history of 3M floppy disks.
The first recording medium developed by 3M was magnetic tape (open reel) used for recording sound. 3M released the adhesive tape ' Scotch Tape ' in 1925. In 1930, they released a transparent adhesive tape. Brush Developmen, a manufacturer of audio equipment, noticed the affinity between the adhesive material developed by 3M and magnetic tape and approached 3M about jointly developing magnetic tape. The two companies cooperated to develop the Scotch brand open reel. Read
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