An UV-ray shielding layer and a moisture barrier layer are formed on edges of
a recording paper which includes thermosensitive coloring layers having a fixing
property to a ultraviolet ray. Another UV-ray shielding layer and another moisture
barrier layer are formed in an opposite side of the support to the thermosensitive
coloring layer. The UV-ray shielding layers prevent the ultraviolet ray from penetrating
through the edge and the support and from reaching the thermosensitive coloring
layers. Further, the moisture barrier layers prevent the thermosensitive coloring
layer from absorbing moisture from air. Images are formed in the recording paper
adequately without influence of the moisture and the ultraviolet ray during being stocked.
