DISPOSITIF DE SUPPRESSION DE CHALEUR DESTINÉ À ÉLIMINER L'ENCRE MODIFIABLE THERMIQUEMENT

The heating eraser for removing thermally changeable ink comprises a heating eraser unit that removes or changes a color by instantaneously applying heat at 50 to 65 °C as a color changing temperature range of a phase transition material selectively along a handwriting written or drawn by a writing instrument using the thermally changeable ink containing thermally changeable fine particles of 10 wt% to 70 wt% including a core portion containing the transition material including a phenol-based compound containing an aliphatic functional group having carbon atoms of 6 or more and a shell layer covering the core portion and made of a polymer resin on a substrate.