A Simple Key For Cassette Unveiled
Cobalt-adsorbed iron oxide (Avilyn) was launched by TDK in 1974 and proved quite thriving. "Type IV" tapes utilizing pure steel particles (versus oxide formulations) were introduced in 1979 by 3M under the trade name Metafine. The tape coating on most cassettes sold as of 2024 are either "typical" or "chrome" is made of ferric oxide and cobalt comb