Patent ID: 7408868

Claim:
A recording method for recording information on an information storage medium comprising at least one pair of neighboring tracks, on which sectors are provided, formed on the information storage medium having a center of rotation, wherein one of said neighboring tracks is configured to record information of a combination of first group recording units and a first non-data portion which is located between the first group recording units, an other of said neighboring tracks is configured to record information of a combination of second group recording units and a second non-data portion which is located between the second group recording units, an angular position of the first non-data portion with respect the center of rotation is different from an angular position of the second non-data portion with respect to the center of rotation, a plurality of ECC blocks are formed on any of neighboring tracks such that one of the first and second non-data portions is formed after an end of one of the ECC blocks and before a start of a next one of the ECC blocks, one of the ECC blocks is formed as a combination of two small ECC blocks, and one of the sectors is allocated to the two small ECC blocks, said method comprising: recording one of the first group recording units and the second group recording units on one of the tracks, and recording the other one of the first group recording units and the second group recording units on the other of the tracks.