Patent Number: 6,333,134

Title: Multilayered photopolymer element including sensitivity controlling agents

Abstract: A multilayered photopolymer element made up of at least a support, a photosensitive layer and a cover film. The photosensitive layer is composed of at least two layers and the uppermost layer in the photosensitive layer contains a sensitivity controlling agent bonded with a polymer. The shape of the shoulder at a relief top is made sharp-edged whereby a printing plate having excellent print quality without being thickened by impression is prepared.

Inventors: Taguchi; Yuji (Ohtsu, JP), Fujimura; Toshiaki (Ohtsu, JP), Kouda; Hajime (Ohtsu, JP)

Assignee: Toyo Boseki Kabushiki Kaisha

International Classification: G03F 7/095 (20060101); G03C 001/492 ()

Expiration Date: 12/25/2018