Patent ID: 6917487

Claim:
A storage medium comprising: a disk surface comprising concentric tracks and a plurality of servo sectors each having recorded therein servo information that is seamless and untrimmed, said servo information for track positioning of a head; and wherein said servo information comprises: a primary burst set comprising a first servo data burst extending along a first radial line and a second servo data burst extending along an adjacent second radial line and comprising bursts that are positioned in between bursts of said first servo data burst, said primary burst set for defining positions of said concentric tracks; a first secondary burst set radially offset from said primary burst set and shifted along its radial line by ¼ track pitch from said primary burst set; a second secondary burst set radially offset from said primary burst set and said first secondary burst set and shifted along its radial line by {fraction (2/4)} track pitch from said primary burst set; and a third secondary burst set radially offset from said primary burst set and said first and second secondary burst sets and shifted along its radial line by ¾ track pitch from said primary burst set.