| abstract |
An information recording medium 8 for acting as a writing target during a data generating operation, in which data corresponding to information written on the recording medium is generated, has first identification information 45 readable by reading means 34 so that characters may be recorded on the recording layer when the first identification information matches second identification information which is set in advance. The recording layer may a leuco dye and a developer, a resin layer including organic compound grains, or a liquid crystal compound. |