Photo-sensitive recording medium having light-shielding means on opposite side edges of the film

摘要

A photo-sensitive recording medium comprising a continuous roll of photo-sensitive web. A pair of light-shielding areas are provided respectively on opposite side edges of the web. The light-shielding areas extend continuously along the respective opposite side edges of the web for shielding a light from penetrating into an interface between each pair of adjacent turns of the roll from opposite axial end faces of the roll.