Patent ID: 7253978
Filing Date: 2007-08-07
Classification: G11B

Abstract:
1. A method of optimizing a disk drive, comprising the steps: generating an Overshoot Control (OSC) Collection regarding a writer for any radial zone collection on a rotating disk surface included in said disk drive; and, for at least one of said radial zone collections, wherein each of a number of members of said OSC Collection include a Minimum OSC, a Maximum OSC, and an Optimum OSC; read channel optimizing based upon said Minimum OSC regarding said writer for said radial zone collection to create members of a write parameter collection including said members of said OSC collection; wherein the step generating said OSC Collection further comprises the steps: for each of said radial zone collections included in a test zone collection, generating said OSC collection regarding said writer for said members of said radial zone collection; and interpolating said OSC Collection regarding said writer for all of said radial zone collections based upon said OSC Collections regarding said writer for each member of said test zone collection; wherein said test zone collection includes at least four of said radial zone collections; wherein each of said radial zone collections include at least three radially consecutive tracks on said rotating disk surface; and wherein the step generating said OSC collection regarding said writer for said member of said radial zone collection, further comprises the steps: optimizing members of said OSC collection to create a Bit Error Rate (BER); optimizing said Minimum OSC to meet an Adjacent Track Writing (ATW) criteria based upon said BER; and optimizing said Minimum OSC to meet a Write Induced Instability (WII) criteria.