Point contact development of imaging sheets employing photosensitive microcapsules

摘要

Imaging sheets having a coating containing chromogenic material and a photosensitive composition with at least the photosensitive composition encapsulated in rupturable microcapsules as an internal phase are processed by relatively moving the imaging sheets and at least one point contact which is resiliently biased into engagement with the imaging sheets such that the force of the point contact is applied to the imaging area of the imaging sheet.