PROBLEM TO BE SOLVED: To surely provide application software to only a prescribed user and to prevent an illegal copy by recording a discrimination code in a recording area excepting a user area. SOLUTION: In the optical recording medium 1, the discrimination code is recorded in an area in a control track part 2 in the recording area 4, and this area is an area inaccessible by user. Further, a user area 3 of sector numbers 2-15 can be recorded with provided information, etc., and is a once writable area. The discrimination code is recorded in the control track part 2 in the recording area 4, and the destruction and the fabrication of the discrimination code and prevented, and the illegal copy is prevented effectively. For writing the discrimination code in the control track part 2, the pattern of the discrimination code is formed on an answering part of a stamper molding a substrate of an optical recording medium 1, and the pattern can be transferred from the stamper at a substrate molding time to be written in.
【課題】 ソフトウエアの違法複製等を有効に防止でき る光記録媒体およびその使用方法を提供する。
【解決手段】 ユーザー領域以外の記録エリアに識別コ ードを記録したことを特徴とする光記録媒体およびその 使用方法。