Konica Corporation

Wataru Tachikawa

Mamoru Umeki

The problem of the present invention is to clear the packaging material and the presence/absence detecting method of the residual photothermographic image recording sheet, which are improved so that the concave section or the notched section provided on the bottom plate does not exercise a bad influence, caused by the exhalation of the organic solvent, on the recording sheet stacked on the lowermost position. Packaging material of the recording sheets, having a detecting means of the recording sheet, wherein there is provided the concave section or the notched section on a section where a part of a vacuum head comes into contact with a bottom plate located on a bottom section of the packaging material, and wherein there is arranged a filler formed with a soft material having air permeability and neither absorbs nor transmits organic solvent, in the concave section or the notched section.

Packaging material of photothermographic image recording sheet and detecting method of presence/absence of residual photothermographic image recording sheet

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Tokyo, Japan

Wataru Tachikawa