Method for manufacturing micro-pile stack structure holographic laser

A production method and stack structure technology are applied in the field of micro-stack stack structure holographic laser production, which can solve the problems of slow exposure, low image pixels, and inconvenient anti-counterfeiting identification.

Pending Publication Date: 2019-01-04
SHANGHAI ZIJIANG METALLIZATION ENVIRONMENTAL PROTECTION MATERIAL
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

Existing laser marking is generally carried out by exposing points one by one through laser points, and finally forming an overall pattern. However, this method is relatively slow in the exposure process, and there are obvious boundaries between points. Furthermore, after zooming in, the pixels of the image are not high, which makes it inconvenient in the subsequent anti-counterfeiting identification process

Method used

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  • Method for manufacturing micro-pile stack structure holographic laser
  • Method for manufacturing micro-pile stack structure holographic laser
  • Method for manufacturing micro-pile stack structure holographic laser

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Embodiment Construction

[0034] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0035] A method for manufacturing a holographic laser with a micro-stack stack structure, comprising the following steps:

[0036] S1. Plate making: photolithography is carried out on the photosensitive plate by laser beam to form a laser pattern, and then the pattern is displayed by adding a developer; and then a metal layer is formed on the surface by silver spraying or silver plating to form a metal pattern , and finally nickel-plate the metallized photosensitive plate by electrolysis, and the formed nickel plate is used as the master plate, and then the nickel plate is copied by electroforming to form a sub-plate;

[0037] S2. Coating: Prepare the coating and apply it evenly on the base film 9 through a coating machine. The coating is generally made of resin suitable for molding, and the base film 9 can be made of materials such as PET, BOPP or PVC. constitute; ...

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Abstract

The invention discloses a production process of anti-fake film, in particular to a method for manufacturing a micro-pile stack structure holographic laser. The method comprises the following steps ofS1, plate making; S2, coating; S3, molding; S4, aluminum plating. A laser beam is constituted by laser beams with a shape which matches a pattern. A photosensitive plate is exposed by the laser beam with the shape matched with the pattern, block patterns of different shapes are respectively photolithographically combined by stacking to form the corresponding complete pattern, the pattern efficiency of exposure is high during the process, the edge of the pattern is relatively flat and smooth, and the pattern is clear. In addition, a slave board is duplicated for use, after the slave board is worn, a master board can be duplicated for use, during mould pressing, a micro-pile method without board seams is adopted, two sets of board rollers are used for replacing mould pressing, and high-temperature aluminum plating is conducted to form aluminized film.

Description

technical field [0001] The invention relates to the technical field of thin film production, more specifically, it relates to a method for manufacturing a holographic laser with a micro-stack stack structure. Background technique [0002] Aluminized film is a composite flexible packaging material formed by coating a layer of extremely thin metallic aluminum on the surface of a plastic film using a special process. The most commonly used processing method is the vacuum aluminized method, which is to pass high temperature The metal aluminum is melted and evaporated, and the aluminum vapor is deposited on the surface of the plastic film, so that the surface of the plastic film has a metallic luster. Because it has both the characteristics of plastic film and the characteristics of metal, it is a cheap and beautiful packaging material with excellent performance and strong practicability. In addition, during the production process of the existing aluminized film, graphics and te...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B44C1/10B44C1/14
CPCB44C1/10B44C1/14
Inventor 朱立纲陈洋刘伟
Owner SHANGHAI ZIJIANG METALLIZATION ENVIRONMENTAL PROTECTION MATERIAL
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