Abstract

Co-Zn ferrite films deposited at substate temperature T/sub c/ below 200/spl deg/C and above 400/spl deg/C by using facing targets sputtering apparatus are composed of crystallites with (111) and (311) orientation, respectively. A maximum 4/spl pi/M/sub s/ of 4.8 kG was obtained at T/sub s/ of 250/spl deg/C and then H/sub c/ was about 1.5 kOe. The linear recording density of 31 kFRPL was obtained and it is the highest value to be reported for ferrite disk media compared to previous studies using a ring type head.

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