| 摘要 |
PURPOSE:To provide a heat-reversible recording sheet enhanced in light fastness. CONSTITUTION:In a heat-reversible recording sheet wherein a heat-reversble recording layer based on a microcapsule containing an electron donating color forming org. compound, an electron acceptive compound, a discoloring temp. control compound and a low volatile solvent and a binder is provided on a base material, any part of the heat-reversible recording sheet contains an ultrasonic absorber. |
