Photosensitive diazomicrofilm adapted to be readable but nonrepr

Details Photosensitive diazomicrofilm adapted to be readable but nonrepr Photosensitive diazomicrofilm adapted to be readable but nonrepr

1976-06-28

1978-03-21

Bowers, Jr., Charles L.

Gas separation: apparatus

Electric field separation apparatus

Plural diverse electric fields

96 49, G03C 154, G03C 180, G03C 160

Patent

active

040802086

ABSTRACT:
A translucent sheet bearing opaque graphic intelligence thereon coated with a film which absorbs ultraviolet light, whereby the passage of visible light therethrough projects a legible image while light in the ultraviolet range is not transmitted so that diazotype copies cannot be produced of the graphic intelligence.

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Dinaburg, M. S., "Photosensitive Diazo Cpds", The Focal Press, 1964, pp. 145-147.
Kosar, J., "Light-Sensitive Systems", J. Wiley & Sons, 1965, pp. 197-199.

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