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Proceedings Paper

Potential use of individual components in interactive paper
Author(s): Ezequiel Delgado; Jean J. Robillard
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Paper Abstract

The fibers and additives found in paper have intrinsic properties which can be combined to perform important functions heretofore taking place on the surface of the substrate. These unique properties can be used to different ends such as (1) storing information transmitted photonically, electrically, thermally or magnetically; (2) generating contrast (imaging); (3) acting as a sensor for light, electric or magnetic fields, humidity, pressure, chemicals; (4) performing mathematical functions, etc. The fibers of paper are tube-like elongated bodies made of a hollow part and a wall which has its own structure. The hollow part can be the recipient of chemicals species which promote a reaction by release of an active component through the wall or be part of a physical reaction inside the fiber. The role of the fiber in such instance would be to protect the specie from the environment (oxygen, humidity, chemical pollutants, etc.) and thereby increasing its lifetime. The roles of the wall can be multiple. They can contribute to the controlled release of the chemical (or chemicals) stored in the fiber to an outside medium. This release is initiated by a physical process acting on the structure of the wall (mechanical, thermal, photonic, electric or magnetic). We can also use the surface properties of the inside-wall or the outside-wall interfaces. The chemical structure of the wall provides radicals on each interface which can be made to establish bonds with the chemical stored in the fiber or with a chemical composition outside the fiber. Simple examples are shown. Charges in the paper making process have been introduced as components for different reasons: mechanical, chemical, optical or electrical but apart from this intended function the charges have other properties of which we can take advantage for other functions created for that component or in combination with other components.

Paper Details

Date Published: 4 August 1997
PDF: 18 pages
Proc. SPIE 3227, Interactive Paper, (4 August 1997); doi: 10.1117/12.280778
Show Author Affiliations
Ezequiel Delgado, Univ. de Guadalajara (Mexico)
Jean J. Robillard, Univ. de Guadalajara (Mexico)

Published in SPIE Proceedings Vol. 3227:
Interactive Paper
Graham G. Allan; Jean J. Robillard, Editor(s)

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