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Method for offset imaging

An offset printing and imaging technology, applied in the field of processing-free systems, can solve problems such as high cost and not very environmentally friendly

Inactive Publication Date: 2014-01-08
EASTMAN KODAK CO
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

All these methods are costly and may not be environmentally friendly

Method used

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  • Method for offset imaging
  • Method for offset imaging
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Embodiment Construction

[0027] In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. However, it will be understood by those skilled in the art that the teachings of the present disclosure can be practiced without these specific details. In other instances, well-known methods, procedures, components, and circuits have not been described in detail in order not to obscure the teachings of the present disclosure.

[0028] While the invention has been described in relation to one embodiment, it will be understood that it is not intended to limit the invention to that embodiment. On the contrary, it is intended to cover alternatives, modifications and equivalents as covered by the appended claims.

[0029] Such as figure 2 As shown in , the plate imaging system 10 provides a process-free solution for manufacturing offset printing plates or offset printing sleeves. The system consists of two main components...

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Abstract

A method for writing an image to a surface of an offset media (100) includes mounting the offset media on the imaging drum (204); imaging on a first part of the surface with high energy radiation to ablate the first part wherein the first part represent non-image data; and imaging a second part of the surface with low energy radiation to fixate image data on the second part.

Description

technical field [0001] The present invention relates to an imaging system for a computer-to-plate (CTP) printing system, and more particularly to a process-free system including a dedicated imaging head integrated with an offset printing plate. Background technique [0002] Most known methods of making offset printing plates require the use of chemicals to dissolve the non-image areas of the plate. Other methods such as pre-washing, pre-heating, gluing, and post-drying can also be used. All these methods are costly and may not be environmentally friendly. [0003] Ordinary plates are divided into two categories, negative plates and positive plates, in negative plates the exposure is done in the image area to make the coating in the image stronger, in the positive plate it is done on the non-image areas weakened by the energy for the laser exposure. [0004] Typically in negative plates, the stronger and more stable image is achieved due to chemical crosslinking, while the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G03F7/24G03F7/20G03F7/40
CPCG03F7/40G03F7/202G03F7/24
Inventor E·马茨纳I·舒斯特M·纳卡希
Owner EASTMAN KODAK CO
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