Abstract:
PROBLEM TO BE SOLVED: To eliminate a limit and a defect of a conventional CTP (computer to plate) system by improving productivity thereof. SOLUTION: An imaging assembly is provided which includes: a movable carriage including a signal generator that generates a signal representing a position of the carriage with respect to a desired image region; and a plurality of imaging modules coupled to the carriage in which each module is adjacent to at least one of other modules, each module includes at least one laser beam source and a modulator cooperatively arranged to generate an individual light brush, each module is aligned with other modules so that the plurality of modules generate laser beams at each image which are obtained by combining each of individual light brushes generated by each module, and each module includes a signal receiver that delays the generation of laser energy at each image from the individual module. COPYRIGHT: (C)2011,JPO&INPIT
Abstract:
PROBLEM TO BE SOLVED: To provide safe and working-efficient placement method of a photosensitive lithographic printing plate and packaging outer case for the photosensitive lithographic printing plate. SOLUTION: The invention relates to a packaging outer case 4 for photosensitive lithographic printing plates that packages a pile of a plurality of photosensitive lithographic printing plates and has openings on every side of the case regardless if it is photosensitive layer side 1 or any other supporting surfaces of the case. COPYRIGHT: (C)2006,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To easily and surely replenish a processing liquid to a plurality of photosensitive planographic printing plate processing apparatuses. SOLUTION: The processing liquid is force fed by a processing liquid replenishing system which is equipped with a pump to the photosensitive planographic printing plate processing apparatus. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a lithographic printing plate original plate which can directly make a plate by irradiating infrared laser beams based on a digital signal, can print by being installed to a printing press as it is without developing process after exposure, is good in abrasion efficiency (sensitivity) and excellent in printing resistance and ink attaching property of the lithographic printing plate to be obtained. SOLUTION: A base material 11 and a lipophylic layer 12 provided on the base material 11 are provided. The lipophylic layer 12 contains a crosslinked product wherein a polymer having a carboxyl group or its salt contains a crosslinked product by a crosslinking agent having an oxazoline group and/or a carbodiimide group and a polyoxyalkylene chain, to provide the lithographic printing plate original plate. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a positive photosensitive lithographic printing plate featuring that an image can be recorded by scanning exposure based on digital signals, the recorded image can be developed with water or an water-based developing solution, or the plate without subjected to development can be mounted in a printing machine and ready for printing, and to provide a positive photosensitive composition to be used for the plate. SOLUTION: The photosensitive composition contains: (a) self water-dispersible resin fine particles; (b) a photo-thermal converting agent; and (c) a hydrophilic phenol compound. The photosensitive lithographic printing plate has a photosensitive layer comprising the above photosensitive composition formed on the surface of a supporting body. COPYRIGHT: (C)2005,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a positive photosensitive lithographic printing plate featuring that an image can be recorded by scanning exposure based on digital signals, the plate with a recorded image can be developed with water or a water-based developer, or the plate without being developed can be mounted on a printing machine and printed, and to provide a positive photosensitive composition to be used for the plate. SOLUTION: The photosensitive composition contains: (a) self water-dispersible resin fine particles; (b) a photothermal conversion agent; and (c) a methylol compound. The photosensitive lithographic printing plate has a photosensitive layer made of the above photosensitive composition on the surface of a supporting body. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide such a method for manufacturing a meso-substituted cyanine dye (the meso-substituted group is different from Cl and Br) as starting with an inexpensive Vilsmeier adduct and giving a high purity of meso-substituted cyanine dye in an uncomplex procedure. SOLUTION: The method for manufacturing a meso-substituted cyanine dye comprises one step manufacturing method comprising a process to allow to react a dye expressed by formula (III), with a compound selected from (a) a methylene compound expressed by formula (IV) or (V), or a quaternary salt expressed by formula (VI) or (VII), and (b) a group-functionalized (hetero)aromatic compound Ar-B, that is selected from a saturated cyclic amine and a heteroaromatic compound expressed by the formulas. COPYRIGHT: (C)2004,JPO&NCIPI
Abstract:
PROBLEM TO BE SOLVED: To provide a coating composition to manufacture a lithographic printing plate showing high print durability and stability. SOLUTION: The coating composition is a radiation sensitive composition containing (a) at least one kind of quinone diazide compound and (b) at least one kind of copolymer containing units A, B, C and D. The units A, B, C are expressed by formulae (A), (B) and (C), respectively and the unit D is a unit having at least one free carboxyl group. In the formulae, R represents a hydrogen atom or a 1-4C alkyl group and R1 represents a 1-4C alkyl group.
Abstract:
PROBLEM TO BE SOLVED: To provide a photosensitive planographic printing plate superior in printing resistance, having high sensitivity and superior also in shelf stability and to provide a photosensitive composition for a planographic printing plate for obtaining such a photosensitive planographic printing plate. SOLUTION: The photosensitive composition contains a resin binder (A), a diazo resin (B), a monomer or oligomer (C) having at least two polymerizable ethylenically unsaturated bonds, a photopolymerization initiator (D), an o-tert- butylphenol derivative (E) and a 2-mercaptoimidazole derivative (F), such as 2-mercaptobenzimidazole. The photosensitive planographic printing plate is obtained by applying the photosensitive composition on a substrate.
Abstract:
PROBLEM TO BE SOLVED: To provide a photosensitive planographic printing plate excellent in ink receptivity and excellent also in the film strength of a photosensitive layer (printing area). SOLUTION: The objective photosensitive composition contains a fluororesin having a 3-20C fluoroaliphatic group having fluorine atoms substituted for at least two of three terminal hydrogen atoms and an ethylenically unsaturated group and a negative type photosensitive compound. The composition is disposed on a base to obtain the objective photosensitive planographic printing plate.