| 摘要 |
<p>An information medium comprising a reproduction-only area having unevenness formed by an injection molding method, for recording information to be reproduced, and a reproduction control layer laminated on the reproduction-only area and having the status thereof changed by light irradiation, wherein a reproduction control method comprises the step of determining a reproduction-inhibited element of information in the above information, and the step of irradiating, with light, the position in the reproduction-only area that corresponds to the reproduction-inhibited element of information to change the reproduction control layer from a reproduction allowable status that enables the reproduction of the above information to a reproduction inhibited status that disables the reproduction of the information. The information medium, a production method therefor and a drive method are also provided.</p> |
