Patent ID: 7177256

Claim:
A method for writing data to an information recording medium having a plurality of recording layers, the layers having at least a first layer and a second layer, the information recording medium to which recording is made being configured according to an opposite track path system, the method comprising the steps of: writing user data to an end location of a data zone in the first layer; writing a pre-determined amount of data other than user data immediately before a start location of a data zone in the second layer; and writing user data in said data zone in the second layer; wherein said method for writing data is performed according to said opposite track path system, such that a physical address of said start location of said data zone of said second layer is bit-inverted from a physical address of said end location of said data zone of said first layer, and wherein said step of writing a pre-determined amount of data other than user data immediately before a start location of a data zone in the second layer occurs just prior to the step of writing user data in the data zone in the second layer and just after the step of writing user data to an end location of the data zone in the first layer.