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Optimum Signal Gating for Recording Head Indexed Along a Fine Pitch Spiral

IP.com Disclosure Number: IPCOM000046173D
Original Publication Date: 1983-Jun-01
Included in the Prior Art Database: 2005-Feb-07

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Bajgert, TA Wills, AB [+details]


In a low-cost disk drive, it is desirable to index the recording head with a fine pitch spiral rather than using a more expensive mechanism for actuating the head in a random-access manner. If the pitch of the index spiral is less than the width of the read/write element in the recording head, the recording head can still be used to read substantially concentric tracks recorded on the media.