The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 31, 2015
Filed:
Jan. 21, 2009
Kazuya Yoshimoto, Okayama, JP;
Tetsuma Kawakami, Okayama, JP;
Yasuyuki Munekuni, Okayama, JP;
Keiichi Motoi, Okayama, JP;
Yukimi Yawata, Okayama, JP;
Toru Wada, Okayama, JP;
Kazuya Yoshimoto, Okayama, JP;
Tetsuma Kawakami, Okayama, JP;
Yasuyuki Munekuni, Okayama, JP;
Keiichi Motoi, Okayama, JP;
Yukimi Yawata, Okayama, JP;
Toru Wada, Okayama, JP;
Toyo Boseki Kabushiki Kaisha, Osaka, JP;
Abstract
The present invention aims to provide a flexographic printing original plate where, although it is a flexible aqueous developing plate, reproducibility of fine lines is good. A flexographic printing original plate which is a photosensitive printing original plate where at least (A) a supporting member, (B) a photosensitive resin layer, (C) a protective layer for preventing the polymerization inhibition due to oxygen in the photosensitive resin layer and (D) a heat-sensitive mask layer are successively layered, characterized in that, the photosensitive resin layer (B) is a layer which is able to be developed by water, Young's modulus of the protective layer (C) is 4 MPa to 35 MPa, layer thickness of the protective layer (C) is 0.2 μm to 2.0 μm and Young's modulus (MPa) and layer thickness (μm) of the protective layer (C) satisfy the following formula 1:1≦(Young's modulus)×(Layer thickness)≦18  (Formula 1).