| 摘要 |
A method for defect management using change of a defect scan factor and a hard disc drive using the method are provided to control defects by finding all defects up to a design permitted limit of the hard disc drive. A method for defect management using change of a defect scan factor includes a step of performing a defect scanning operation and detecting whether the number of defects exceeds a design permitted limit(S310,S320); a step of changing a value of the defect scan factor as the defect number is in the design permitted limit(S350); a step of performing the defect scanning operation based on the value-changed defect scan factor(S360,S370); and a step of changing the value of the defect scan factor until the number of the defects reaches the design permitted limit(S380). A hard disc drive using the method includes a disc, a read/write head, and a control unit. The read/write head reads and writes data from/to the disc. The control unit performs the defect scanning operation by changing the defect scan factor until the number of the defects reaches the design permitted limit.
|
