Self-processing type film unit and method of manufacturing the same

摘要

In a self-processing type film unit comprising a base sheet bearing thereon a photosensitive layer, a masking member which is attached to the base sheet and has an opening for exposing the photosensitive layer on the base sheet, a transparent cover sheet attached to the masking member at its side edges to cover the opening of the masking member with a spacer member interposed between each of the side edges and the masking member, a developing solution container enclosed by the leading end portion of the masking member which is folded back around the developing solution container over the cover sheet and attached to the cover sheet, and a developing solution trapping member enclosed by the trailing end portion of the masking member which is folded back around the developing solution trapping member over the cover sheet and attached to the cover sheet, a space formed between trailing end faces of the cover sheet and the spacer member, and the inner surface of the folded trailing end portion of the masking member at each side is closed.