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公开(公告)号：US4869993A
公开(公告)日：1989-09-26
申请号：US237863
申请日：1988-08-29
CPC分类号： G03F3/10 , Y10S430/134
摘要： This invention relates to positive working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process. The element is composed of a substrate, colored photosensitive layer and adhesive layer. The adhesive layer contains an optical brightener compound which reduces residual yellow staining derived from the naphthoquinone diazide sensitizer.
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2.发明授权Positive working naphthoquinone diazide color proofing element with polyvinyl acetate adhesive layer 失效具有聚乙酸乙烯酯粘合剂层的正性工作萘醌二氮化物防色元件
公开(公告)号：US4772533A
公开(公告)日：1988-09-20
申请号：US927776
申请日：1986-11-05
CPC分类号： G03F7/11 , G03F3/10 , G03F7/0233
摘要： This invention relates to positive working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process.
摘要翻译： 本发明涉及正工作光敏片材结构，其在通过屏蔽图像曝光于光化辐射源时可以精确地再现所述图像。 该结构可用作可用于从平版印刷工艺预测图像质量的防色膜。
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3.发明授权Positive working color proofing system comprising polyvinyl acetal/polyvinyl alcohol/polyvinyl acetate resin 失效包括聚乙烯醇缩乙醛/聚乙烯醇/聚乙酸乙烯酯树脂的正型工作颜色打样系统
公开(公告)号：US4948693A
公开(公告)日：1990-08-14
申请号：US237864
申请日：1988-08-29
CPC分类号： G03F7/346 , G03F3/10 , G03F7/0233
摘要： This invention relates to positive working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process.
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4.发明授权
公开(公告)号：US4659642A
公开(公告)日：1987-04-21
申请号：US663607
申请日：1984-10-22
CPC分类号： G03F3/10 , G03F7/0233 , G03F7/11
摘要： This invention relates to positive working photosensitized sheet constructions which, upon exposure to an actinic radiation source through a screened image, can accurately reproduce said image. The construction is useful as a color proofing film which can be employed to predict the image quality from a lithographic printing process.
摘要翻译： 本发明涉及正工作光敏片材结构，其在通过屏蔽图像曝光于光化辐射源时可以精确地再现所述图像。 该结构可用作可用于从平版印刷工艺预测图像质量的防色膜。
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