An Unbiased View of Greenday Cassette
Cobalt-adsorbed iron oxide (Avilyn) was introduced by TDK in 1974 and proved pretty successful. "Type IV" tapes making use of pure steel particles (rather than oxide formulations) have been launched in 1979 by 3M under the trade title Metafine. The tape coating on most cassettes offered as of 2024 are either "regular" or "chrome" consists of ferric