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A method of processing mold rolls with electrode microgrid using narrow pulse width laser direct writing

A technology of laser direct writing and processing molds, which is applied in the direction of producing decorative surface effects, manufacturing tools, laser welding equipment, etc., can solve the problems of low production efficiency, complicated process, low input-output rate, etc. High output rate, improved production efficiency, clear and consistent graphics

Active Publication Date: 2017-09-15
南通天鸿镭射科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This process is complex, low production efficiency and low input-output rate

Method used

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  • A method of processing mold rolls with electrode microgrid using narrow pulse width laser direct writing
  • A method of processing mold rolls with electrode microgrid using narrow pulse width laser direct writing
  • A method of processing mold rolls with electrode microgrid using narrow pulse width laser direct writing

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Embodiment 1

[0016] The present embodiment adopts the method for processing mold rolls with electrode micro-grid direct writing with narrow pulse width laser, and the specific steps of the method are as follows:

[0017] (1) Select the laser device: choose a laser with a pulse width of nanoseconds as the energy source for the direct writing device, the laser wavelength is 266 nm, and the energy density is greater than 20uJ@100KHz;

[0018] (2) Laser photoetching: The laser beam is converged to the surface of the roller material of the mold roller through beam expansion, collimation and spot shaping, and then finely photoetched to form the required concave electrode micro-grid pattern; the wavelength of the laser is 266nm, The average power is 20W, the laser scanning speed is 20-200mm / s, and the micro-grid pattern of the photo-etching vector electrode is scanned, and the depth of the concave groove is 2-3um;

[0019] (3) Post-processing: After laser photoetching, ultrasonic treatment, chemi...

Embodiment 2

[0021] The present embodiment adopts the method for processing mold rolls with electrode micro-grid direct writing with narrow pulse width laser, and the specific steps of the method are as follows:

[0022] (1) Select the laser device: Select the laser device: select the laser with a pulse width of picosecond level as the energy source of the direct writing device, the laser wavelength is 26 nanometers, and the energy density is greater than 20uJ@100KHz;

[0023] (2) Laser photoetching: The laser beam is converged to the surface of the roller material of the mold roller through speed expansion, collimation and spot shaping, and then finely photoetched to form the required concave electrode micro-grid pattern; the wavelength of the laser is 266nm, The average power is 3W, the laser scanning speed is 20-200mm / sec, and the micro-grid pattern of the photo-etching vector electrode is scanned, and the depth of the concave groove is 2-3um;

[0024] (3) Post-processing: After laser p...

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Abstract

The invention relates to a method for processing mold rolls with an electrode micro-grid using narrow pulse width laser direct writing. Straightening and light spot shaping converge on the surface of the roller material of the mold roller, and perform fine photoetching to form the required concave electrode micro-grid pattern; after laser photoetching, ultrasonic treatment, chemical or electroplating polishing is performed on the surface of the roller material, This in turn optimizes the roller surface. The present invention has the advantages of: inventing a method for processing mold rolls using electrode micro-grid direct writing with narrow pulse width laser, the traditional printing pattern is a laser photoetching pattern, thereby greatly improving production efficiency; at the same time, by controlling the specific conditions of the laser process parameters, so that the electrode micro-grid pattern on the surface of the mold roll is clear and consistent, and the input-output rate of the mold roll is high.

Description

technical field [0001] The invention belongs to the technical field of conductive film mold roll processing, and in particular relates to a method for processing mold rolls using electrode microgrid direct writing with narrow pulse width laser. Background technique [0002] ITO conductive film refers to a high-tech product obtained by sputtering a transparent indium tin oxide (ITO) conductive film coating on a transparent organic film material by magnetron sputtering and undergoing high-temperature annealing treatment; however, ITO conductive film has high prices, Disadvantages such as high resistance, easy to break, small format, etc. MetalMesh conductive film metal wire is easy to break, low yield rate, complicated process, many problems have yet to be solved, and it has not been industrialized. Nano-silver wire is a nano-material with a diameter of 25-300nm and a length of 10-200um grown by chemical method. In addition to the excellent electrical conductivity of silver, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B81C1/00B23K26/362B23K26/0622B23K26/70
Inventor 邱晓华王新辉
Owner 南通天鸿镭射科技有限公司
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