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Magnetron sputtering banknote printing plate coating equipment

A technology of magnetron sputtering and coating equipment, used in sputtering coating, vacuum evaporation coating, ion implantation coating and other directions, can solve the problem of low qualification rate of banknote printing plate coating, avoid disturbance and ensure cleanliness degree of effect

Pending Publication Date: 2022-03-04
CHINA BANKNOTE DESIGNING & ENGRAVING CO LTD
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Problems solved by technology

[0004] Therefore, the technical problem to be solved by the present invention is to overcome the defect in the prior art that the coating pass rate of the banknote printing plate is low due to the influence of metal impurities when the surface of the banknote printing plate is coated by the magnetron sputtering process, thereby providing a A magnetron sputtering banknote printing plate coating equipment

Method used

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  • Magnetron sputtering banknote printing plate coating equipment
  • Magnetron sputtering banknote printing plate coating equipment
  • Magnetron sputtering banknote printing plate coating equipment

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Embodiment

[0033] Such as Figure 1 to Figure 3 Shown is a specific implementation of a magnetron sputtering banknote printing plate coating device provided in this embodiment, including: a mounting bracket 1 , and a vacuum chamber 2 fixedly installed on the mounting bracket 1 . The left and right sides of the vacuum chamber 2 are respectively equipped with an air pumping assembly and an inflating assembly, and a winding rod 10 is installed on the right side of the inner cavity of the vacuum chamber 2 to rotate. For the convenience of observing the internal structure of the vacuum chamber 2, Figure 1 to Figure 3 The sidewalls on the left and right sides of the medium vacuum chamber are all open, and the carrier plate 3 on the vacuum chamber is in a ready state. During the coating process, the side walls on the left and right sides of the vacuum chamber are completely sealed and connected with the vacuum chamber body, and the bearing plate is in the working state, and is sealed with the...

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Abstract

The invention relates to the technical field of vacuum coating, in particular to magnetron sputtering banknote printing plate coating equipment which comprises a vacuum chamber, a sputtering target is fixedly mounted in an inner cavity of the vacuum chamber, and a mounting part is arranged on the side, opposite to the sputtering target, in the inner cavity of the vacuum chamber and used for detachably mounting a banknote printing plate to be coated; the air inflation assembly and the air exhaust assembly both communicate with the vacuum chamber, and the air exhaust assembly and the air inflation assembly are arranged on the two opposite sides of the vacuum chamber correspondingly; and at least one end of the winding rod is arranged on the side, close to the inflation assembly, in the vacuum chamber, a driving piece is installed at one end of the winding rod so as to drive the winding rod to rotate around the axis, and the winding rod is parallel to the installation piece. By cleaning the metal impurities in the vacuum chamber and protecting the paper money printing plate, the surface of the paper money printing plate can be kept completely clean when magnetron sputtering coating work starts, and the yield of magnetron sputtering coating of the paper money printing plate is greatly improved.

Description

technical field [0001] The invention relates to the technical field of vacuum coating, in particular to a magnetron sputtering banknote printing plate coating equipment. Background technique [0002] Banknote printing plates for the production of security documents are usually produced by laser engraving from a polymer precursor plate or directly from a metal plate. Before installing the banknote printing plate on the gravure printing machine, in order to increase the surface hardness, wear resistance and corrosion resistance of the banknote printing plate, the surface of the banknote printing plate will be processed with a layer of wear-resistant coating, usually chromium metal coating or titanium coating. [0003] In the prior art, vacuum magnetron sputtering coating technology is usually used to prepare a coating on the surface of the banknote printing plate. During the vacuum coating process, some metal atoms will be deposited on the cavity wall and shielding plate of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C14/35C23C14/56
CPCC23C14/35C23C14/56C23C14/564
Inventor 冉军武近冬李丰徐云亭吕传东张鹤锐
Owner CHINA BANKNOTE DESIGNING & ENGRAVING CO LTD
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