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Character ink of printed circuit board, and printing method of character ink of printed circuit board

A printed circuit board and circuit board technology, applied in printing, ink, household appliances, etc., can solve problems such as high cost and poor ink stability, and achieve the effect of overcoming overprint errors and ensuring character accuracy.

Inactive Publication Date: 2013-04-17
WUHAN SHENLAN HENGYE DIGITAL TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, due to the limitation of ink performance indicators, current applications are generally limited to inkjet printers with an optimal viscosity of 5-15mPa. Higher, which is also one of the reasons that affect the promotion and application of inkjet technology in the circuit board production industry
[0004] At the same time, inkjet pigments for circuit board characters still use inorganic pigments—nano-titanium dioxide, which has poor ink stability, which is also one of the reasons affecting its popularization and application.

Method used

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  • Character ink of printed circuit board, and printing method of character ink of printed circuit board
  • Character ink of printed circuit board, and printing method of character ink of printed circuit board
  • Character ink of printed circuit board, and printing method of character ink of printed circuit board

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Character Photosensitive Ink Formula 1

[0031] 100 parts of ink I and ink II contain the following parts by weight:

[0032]

[0033] Aliphatic PUA (CN945B85) is a product of SARTORMER, aliphatic polyurethane

[0034] Acrylate, trade number CN945B85

[0035] TMPTA, whose concentration is 90-99.9%, is trimethylolpropane triacrylate, trade name

[0036] ITX, whose content is 95-99.9% is isopropylthioxanthene, trade name

[0037] 907, the content of which is 95-99.9% is 2-methyl 1-(4-methylmercaptophenyl)-2-morpholine

[0038] Acetone-1, trade name

[0039] 184, the content of which is 95-99.9% is 1-hydroxy-cyclohexylbenzophenone, trade name

[0040] Ethanol, the concentration of which is 95-99.9%

[0041] Propylene glycol, the concentration of which is 95-99.9%

[0042] Isobutyl acetate, its concentration is 95-99.9%

[0043] The concentrations of the above substances are all concentrations in weight percent.

[...

Embodiment 2

[0046] Character Photosensitive Ink Formula

[0047] 100 parts of ink I and ink III contain the following parts by weight:

[0048]

[0049] Aliphatic PUA (CN945B85) is a product of SARTORMER, aliphatic polyurethane

[0050] Acrylate, trade number CN945B85

[0051] TMPTA, whose concentration is 90-99.9%, is trimethylolpropane triacrylate, trade name

[0052] ITX, whose content is 95-99.9% is isopropylthioxanthene, trade name

[0053] 907, the content of which is 95-99.9% is 2-methyl 1-(4-methylmercaptophenyl)-2-morpholine

[0054] Acetone-1, trade name

[0055]184, the content of which is 95-99.9% is 1-hydroxy-cyclohexylbenzophenone, trade name

[0056] Ethanol, the concentration of which is 95-99.9%

[0057] Propylene glycol, the concentration of which is 95-99.9%

[0058] Isobutyl acetate, its concentration is 95-99.9%

[0059] The concentrations of the above substances are all weight percent concentrations.

[0060] T...

Embodiment 3

[0062] Character Photosensitive Ink Formula

[0063] 100 parts of ink ink IV contain the following parts by weight:

[0064]

[0065]

[0066] Aliphatic PUA (CN945B85) is a product of SARTORMER, aliphatic polyurethane

[0067] Acrylate, trade number CN945B85

[0068] TMPTA, whose concentration is 90-99.9% is trimethylolpropane triacrylate, trade name

[0069] ITX, whose content is 95-99.9% is isopropylthioxanthene, trade name

[0070] 907, the content of which is 95-99.9% is 2-methyl 1-(4-methylmercaptophenyl)-2-morpholine

[0071] Acetone-1, trade name

[0072] 184, the content of which is 95-99.9% is 1-hydroxy-cyclohexylbenzophenone, trade name

[0073] Ethanol, the concentration of which is 95-99.9%

[0074] Propylene glycol, the concentration of which is 95-99.9%

[0075] Methoxyphenol, its concentration is 95~99.9%

[0076] Isobutyl acetate, its concentration is 95-99.9%

[0077] The concentrations of the above s...

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Abstract

The invention discloses the character ink of a printed circuit board, and a printing method of the character ink of the printed circuit board. One or two groups of character ink are applied to an ink-jet printer with 6 to 8 channels and filled into each channel. A printing nozzle accomplishes accumulated printing at one time under a computer instruction, ink channels perform printing according to a single-color file which is set by a computer, and then a product to be eroded is prepared by desolvation and exposure. By the adoption of the ink and the printing method, on the premise of ensuring the performance index of a character layer of the printed circuit board, the viscosity of printed ink is appropriately reduced, the ink is implemented according to the change of the printing method, and the ink has the advantages of higher printing resolution, higher generality, lower cost and wider application range.

Description

technical field [0001] The invention relates to a printing method of printed circuit board characters and the used ink, in particular to a method for printing characters on the solder resist layer of the printed circuit board by using inkjet printing and the character ink thereof. technical background [0002] The character printing of traditional printed circuit boards mainly adopts screen printing, and its production process is: character computer typesetting → photosensitive film → screen → character ink → UV curing → finished product [0003] With the development of inkjet printing technology, it has been applied to the circuit board character process due to its characteristics of no contact, no pressure, no printing plate, faster speed, lower cost, and less waste water in small batch production. However, after more than ten years of development, due to factors such as some performance indicators and initial investment costs, the promotion and application of inkjet print...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/01C09D11/10C09D11/30C09D11/54
Inventor 梅松道徐浩洋
Owner WUHAN SHENLAN HENGYE DIGITAL TECH
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