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Manufacturing method of ultralow-resistance flexible conductive circuit

A technology of conductive circuit and manufacturing method, which is applied in the direction of printed circuit manufacturing, printed circuit, printed circuit wiring diagram, etc., can solve the problems of complex preparation process, poor conductivity, poor combination, etc., achieve simple process, improve conductivity, and volume small effect

Active Publication Date: 2020-07-17
XI'AN POLYTECHNIC UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a method for manufacturing an ultra-low resistance flexible conductive circuit, which solves the problems of poor bonding between the existing flexible conductive circuit and fabric, complicated preparation process, high resistance value, and poor conductivity

Method used

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  • Manufacturing method of ultralow-resistance flexible conductive circuit
  • Manufacturing method of ultralow-resistance flexible conductive circuit
  • Manufacturing method of ultralow-resistance flexible conductive circuit

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0050] (1) Preparation of fabric substrate 1

[0051] Select cotton cloth, cut it into a size of 70 mm×70 mm, and then dip it in carbon nanotube solution 2 with a mass volume concentration of 0.5% w / v, evenly dip it in a magnetic stirrer, pick it up and hang it on a stand, Standing and drying at room temperature for 1 hour to obtain a fabric substrate 1 for use; wherein, the rotating speed of the magnetic stirrer is 800 rpm / min, and the temperature is 50° C.;

[0052] (2) Preparation of precursor solution 3

[0053] Dissolve 2 g of glucose in 10 mL of deionized water, stir evenly, and filter with filter paper to obtain precursor solution 3, which is sealed for later use;

[0054] (3) Preparation of ink 5

[0055] Dissolve 2g of silver nitrate powder in 10mL of deionized water, stir evenly, and filter with filter paper to obtain ink 5 with a mass volume concentration of 20% w / v, and set aside;

[0056] (4) print

[0057] Take an appropriate amount of precursor solution 3 to...

Embodiment 2

[0061] (1) Preparation of fabric substrate 1

[0062] Select cotton cloth, cut it into a size of 70 mm × 70 mm, and then dip it in carbon nanotube solution 2 with a mass volume concentration of 1% w / v, evenly dip it in a magnetic stirrer, pick it up and hang it on a stand, Standing and drying at room temperature for 1.5 hours to obtain fabric substrate 1 for use; wherein, the rotating speed of the magnetic stirrer is 1000 rpm / min, and the temperature is 50°C;

[0063] (2) Preparation of precursor solution 3

[0064] Dissolve 3 g of ascorbic acid in 10 mL of deionized water, stir evenly, and filter with filter paper to obtain precursor solution 3, which is sealed for later use;

[0065] (3) Preparation of ink 5

[0066] 5g of silver nitrate powder was dissolved in 10mL of deionized water, stirred evenly and then filtered with filter paper to obtain ink 5 with a mass volume concentration of 50% w / v for subsequent use;

[0067] (4) print

[0068] Take an appropriate amount of p...

Embodiment 3

[0072] (1) Preparation of fabric substrate 1

[0073] Select silk, cut it into a size of 70mm×70mm, and then immerse it in a carbon nanotube solution 2 with a mass volume concentration of 1.5% w / v, evenly immerse it in a magnetic stirrer, pick it up and hang it on a stand, Stand and dry at room temperature for 1.3 hours to obtain the fabric substrate 1 for use; wherein, the rotating speed of the magnetic stirrer is 900 rpm / min, and the temperature is 50°C;

[0074] (2) Preparation of precursor solution 3

[0075] Dissolve 5 g of sodium acetate in 10 mL of deionized water, stir evenly, and filter with filter paper to obtain precursor solution 3, which is sealed for later use;

[0076] (3) Preparation of ink 5

[0077] 9g of silver nitrate powder was dissolved in 10mL of deionized water, stirred evenly and then filtered with filter paper to obtain ink 5 with a mass volume concentration of 90% w / v for subsequent use;

[0078] (4) print

[0079] Take an appropriate amount of p...

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Abstract

The invention discloses a manufacturing method of an ultralow-resistance flexible conductive circuit. The method comprises the following steps of firstly preparing a fabric substrate, a precursor solution and ink; taking a proper amount of precursor solution to completely wet the fabric substrate, and placing the fabric substrate on a metal substrate; putting a proper amount of ink into a piezoelectric spray head of a micro-droplet jetting device, starting the micro-droplet jetting device to print the ink on the fabric substrate on the metal substrate drop by drop until the ink forms a printing circuit after multi-layer printing; and finally, cleaning the printed circuit with alcohol and deionized water in sequence, putting the printed circuit into a curing oven for heating and curing treatment, and cooling to obtain the ultralow-resistance flexible conductive circuit. According to the manufacturing method of the ultralow-resistance flexible conductive circuit, the problems that in theprior art, a flexible conductive circuit is complex in preparation process, the resistance value of the conductive circuit is high, and the bonding performance of the conductive circuit and fabric ispoor are solved.

Description

technical field [0001] The invention belongs to the technical field of flexible and wearable electronic devices, and relates to a method for manufacturing an ultra-low resistance flexible conductive circuit. Background technique [0002] Common fabrication methods for flexible circuits in flexible wearable electronics include weaving, screen printing, laser mask plating, and inkjet printing. Inkjet printing technology has the advantages of precise deposition, low cost, and environmental protection. It can also customize multi-scale conductive lines according to needs, and is not affected by the substrate material. It is widely used in the field of wearable and flexible preparation. [0003] The traditional inkjet printing flexible conductive circuit technology is to print conductive ink on paper and polymer flexible film to prepare flexible conductive circuit, but the combination of paper and polymer flexible film with human clothing is low, although the fabric substrate and...

Claims

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Application Information

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IPC IPC(8): H05K3/00H05K3/14C09D11/30C09D11/52
CPCH05K3/0002H05K3/14C09D11/52C09D11/30
Inventor 肖渊李红英马丽萍张威李倩
Owner XI'AN POLYTECHNIC UNIVERSITY
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