Properties of Glass-Ceramics, Photosensitive Glasses, and Photosensitive Glass-Ceramics

Abstract

Photosensitive glasses possess a number of valuable properties, such as high strength, good stability, grain-free image, accurate reproducibility, multiplicity of contrast shades possible, and constancy of size in two and three dimensions, i.e., three-dimensionality of the image, which may extend to a certain depth or through the entire thickness of the glass plate. Consequently, the image in a photosensitive glass cannot be scratched away, and it can easily be purified of contaminants which can normally be removed only with difficulty from engraved or etched images. When photosensitive glass is transformed into forms B and C, no shrinkage is produced, which makes it possible to retain unchanged the dimensions of the transferred image.