Patent ID: 6215606
Filing Date: 2001-04-10
Classification: G11B

Abstract:
A method for writing a servo-pattern on one of a plurality of storage media located in a recording device, said recording device comprising a plurality of internal recording heads, each of said plurality of storage media having at least one of said plurality of internal recording heads associated therewith, said method comprising the steps of:determining which of said plurality of internal recording heads writes the widest, said determining step comprising:writing a first transition with each of said plurality of internal recording heads;writing a second transition with one of said plurality of internal recording heads, said second transition being written at a predetermined radial distance from said first transition written with said one of said plurality of internal recording heads;positioning each of said plurality of internal recording heads using said second transition; andreading and comparing with said positioned recording heads an amplitude signal associated with each of said first transitions and determining therefrom which of said plurality of internal recording heads writes the widest;generating a timing pattern on said one of said plurality of storage media with one of said at least one of said plurality of internal recording heads associated therewith (associated head);determining a radial positioning value from said internal recording head determined to write the widest and using said radial positioning value for radially positioning said associated head; andwriting a servo-pattern on said one of said plurality of storage media with said associated head, said servo-pattern being written at locations determined by said timing pattern and said radial positioning value.