Laser plate-printing system using TiO2 photoreceptor

Youichi Ishibai; Mizuho Okada; Hajime Murakami; Sadao Murasawa; Mamoru Yoshiyama

doi:10.1117/12.146275

18 June 1993 Laser plate printing system using TiO₂ photoreceptor

Youichi Ishibai, Mizuho Okada, Hajime Murakami, Sadao Murasawa, Mamoru Yoshiyama

Proceedings Volume 1912, Color Hard Copy and Graphic Arts II; (1993) https://doi.org/10.1117/12.146275
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1993, San Jose, CA, United States

Abstract

The halftone dot image formed on a Titanium Dioxide (TiO₂) photoreceptor with liquid toner has high resolution and sufficient sharpness. We have applied these materials to the graphic arts industry in two ways: one is the application to a direct digital color proofing (DDCP) system, the other is to a direct digital plate printing (DDPP) system. In the DDPP system, dot image is directly recorded on a TiO₂ photoreceptor (TiO₂ press plate) without using dot film. The exposure light source is an He-Ne laser which is the same light source as that of the DDCP system. Therefore, a proofing image and color separation press plates are produced using the same apparatus and materials. In offset printing, a TiO₂ press plate is capable of producing a high quality print. Dots on the paper have fine shape and uniform density distribution. The quality is little affected by the increase of fountain solution. The TiO₂ press plate is also applicable to high quality color printing because of its consistent printing quality and high stability of plate size.

Citation Download Citation

Youichi Ishibai, Mizuho Okada, Hajime Murakami, Sadao Murasawa, and Mamoru Yoshiyama "Laser plate printing system using TiO₂ photoreceptor", Proc. SPIE 1912, Color Hard Copy and Graphic Arts II, (18 June 1993); https://doi.org/10.1117/12.146275

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