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公开(公告)号：DE3469623D1
公开(公告)日：1988-04-07
申请号：DE3469623
申请日：1984-07-16
Applicant: IBM
Inventor： BULLOCK DAVID CARL , BEST JOHN STEWART
Abstract: A magnetic recording disk substrate is provided with a capacitive servo pattern by implanting dopant material in the substrate to modify the substrate conductivity in a desired servo pattern.
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