THIS PAPER DESCRIBES AKZO CHEMICALS, INC.'S DEVELOPMENT PROGRAM IN HIGH PURITY SILICA. THE DEVELOPMENT PROCESS FROM MARKET IDENTIFICATION TO DEMONSTRATION MANUFACTURING ILLUSTRATES HOW ADVANCED CERAMIC MATERIALS CONCEPTS ARE TRANSLATED TO ADVANCED CERAMIC PRODUCTS.
Information technology - Data interchange on 90 mm flexible disk cartridges using modified frequency modulation recording at 31 831 ftprad on 80 tracks on each side - ISO Type 303
Information technology - 3,81 mm wide magnetic tape cartridge for information interchange - Helical scan recording - DDS-DC format using 60 m and 90 m length tapes