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:
Apr. 23, 2019
Filed:
Dec. 28, 2017
Fujifilm Corporation, Tokyo, JP;
Mamoru Kuramoto, Haibara-gun, JP;
Yosuke Matsumoto, Haibara-gun, JP;
Seiichiro Morikawa, Haibara-gun, JP;
FUJIFILM Corporation, Minato-Ku, Tokyo, JP;
Abstract
The present invention is to provide a flexographic printing plate having high ink transferability and making it possible to perform printing with a high ink density in a solid portion, a flexographic printing plate precursor, a method for manufacturing a flexographic printing plate, and a method for manufacturing a flexographic printing plate precursor. A flexographic printing plate of the present invention includes a relief layer including a non-image area and an image area having an uneven structure formed on a surface, in which the uneven structure is composed of recessed portions consisting of a plurality of grooves and projecting portions other than recessed portions, each of the plurality of grooves has a length of at least 30 μm, all of the plurality of grooves are grooves having a line edge roughness in a range of 0.5 to 2.5 μm in a region of 30 μm of the groove in a longitudinal direction, a depth of the recessed portion is 5 to 25 μm, and a ratio of the projecting portion is 5% to 60% of a geometric area of the uneven structure.