A layered structure, a process of applying an image layer to a substrate, and a process of using a layered structure are disclosed. The content delivery apparatus includes storage unit, management-information storage unit, and a delivery unit. Valves in a chamber wall seal the chamber after a fluid sample has been collected. A second exposure information generating circuit calculates second exposure information using the image signal. The web of polymeric material may be provided with a flow enhancer to improve image formation.