Patent ID: 7263043

Claim:
A data-recordable optical disk apparatus, comprising: setting means which records test data in a test area on an optical disk and sets recording power in accordance with the quality of a reproduced signal obtained by reproducing said test data; means for recording management data in a recording management area on said optical disk through use of said recording power; means for verifying said recorded management data; detection means for detecting the number of PI errors in said management data when a result of verification is positive; comparison means for comparing the number of said errors with an allowable value; correction means for correcting said recording power when the number of said errors exceeds said allowable value; means for detecting the number of PI errors in emboss data by means of reproducing said emboss data existing in a predetermined area on said optical disk; and means for setting said allowable value on the basis of the number of said PI errors in said emboss data.