CN107734862B - Construction method of three-dimensional paper-based multifunctional circuit - Google Patents
Construction method of three-dimensional paper-based multifunctional circuit Download PDFInfo
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- CN107734862B CN107734862B CN201711234732.7A CN201711234732A CN107734862B CN 107734862 B CN107734862 B CN 107734862B CN 201711234732 A CN201711234732 A CN 201711234732A CN 107734862 B CN107734862 B CN 107734862B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/0011—Working of insulating substrates or insulating layers
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/03—Use of materials for the substrate
- H05K1/0386—Paper sheets
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1275—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns by other printing techniques, e.g. letterpress printing, intaglio printing, lithographic printing, offset printing
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/10—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern
- H05K3/12—Apparatus or processes for manufacturing printed circuits in which conductive material is applied to the insulating support in such a manner as to form the desired conductive pattern using thick film techniques, e.g. printing techniques to apply the conductive material or similar techniques for applying conductive paste or ink patterns
- H05K3/1283—After-treatment of the printed patterns, e.g. sintering or curing methods
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Structure Of Printed Boards (AREA)
- Manufacturing Of Printed Wiring (AREA)
Abstract
The invention discloses a construction method of a three-dimensional paper-based multifunctional circuit. The paper-based multifunctional circuit is composed of a transmission plate, a separation plate and a function plate. The preparation process comprises the following steps: designing the integral layout of the three-dimensional paper-based multifunctional circuit; solid wax printing and wax melting molding; growing gold nanoparticles; printing secondary solid wax; and (6) folding and assembling. The paper circuit constructed by taking the paper base material which is cheap and easy to fold as the base material has certain flexibility, can be bent and easily folded, and is environment-friendly. The paper circuit prepared by the method not only has excellent transverse conductivity, but also overcomes the problem of longitudinal conductivity of the paper base, and has wide application prospect in the field of flexible electronic devices.
Description
Technical Field
The invention relates to a three-dimensional paper-based multifunctional circuit, and belongs to the technical field of preparation of paper-based circuits.
Background
In recent years, electronic products are developed toward light weight and flexibility, and the traditional rigid circuit can not meet the requirements of the current electronic devices. The main component of the paper base material is inert cellulose generally, has the advantages of abundant sources, low price and easy obtainment, regeneration, cyclic utilization, easy treatment, easy biodegradation and the like, is convenient to use and transport, and is a good substrate selection material for constructing flexible circuits. The paper-based circuit has light weight, is biodegradable, can be folded into a three-dimensional circuit, and has important significance for the development of future flexible electronic devices. Therefore, the development of conductive ink and preparation technology research related to paper-based circuits is very important.
The traditional methods for preparing paper-based circuits mainly include printing, screen printing, spin coating, pencil coating, conductive substrate transfer and the like. The paper circuit prepared by the method is applied to the fields of analysis and detection, electronic device construction and the like. However, the problems of easy falling off, high cost, non-ideal conductivity or complex operation are still faced. Therefore, there is an urgent need to develop a method of constructing paper-based flexible circuits that is simple to operate and low in cost.
Disclosure of Invention
Aiming at the existing problems, a conductive material is grown in situ in a paper base material, a multifunctional area is constructed by a secondary solid wax printing method, and a three-dimensional paper-based multifunctional circuit is constructed by means of a paper folding technology. The invention provides a three-dimensional paper-based flexible circuit construction method which is low in cost and simple to operate. The technology avoids using expensive moulds and equipment, and lays a foundation for the extended application of the flexible electronic device based on the paper substrate.
The preparation method of the three-dimensional paper-based multifunctional circuit has the characteristics of time saving, labor saving and environmental friendliness, and comprises the following specific preparation steps:
1. photoshop CS6 or CorelDRAW X6 or Aillusterr CS6 software is used to design the overall layout of the three-dimensional paper-based multifunctional circuit. As shown in figure 1, a transmission plate, a separation plate and a function plate are sequentially arranged from left to right along the long side direction of the paper-based multifunctional circuit.
2. The pattern designed in step 1 was printed on a copy paper of a4 size with a solid wax printer.
3. Placing the paper obtained in the step (2) in a heating plate or an oven, and heating for 30-120 seconds in an environment of 60-120 ℃ to melt the printed wax and soak the whole thickness of the paper in a corresponding area to form a hydrophobic wall; the areas where the wax pattern was not printed exhibited hydrophilic properties; there are 2, 4 and 6 hydrophilic areas on the transmission plate, isolation plate and function plate.
4. 100mL of deionized water is weighed into a three-neck flask, heated to 90 ℃, and then 1.0mL of HAuCl with the mass fraction of 1% is dripped4Heating the solution to 96 ℃ and keeping the temperature for 1 minute; then adding 3.0mL of 1% sodium citrate solution by mass fraction, and continuing stirring for reaction for 15 minutes; naturally cooling to room temperature to obtain the gold nanoparticles with the particle size of 12-15 nm.
5. And (3) dropwise adding a certain amount of the gold nanoparticle solution obtained in the step (4) to the hydrophilic areas of the transmission plate, the isolation plate and the functional plate obtained in the step (3), drying for 2 hours at room temperature, and then repeatedly dropwise adding twice to immobilize more gold nanoparticles as seeds.
6. After washing the above-mentioned region with secondary water, a freshly prepared growth liquid containing 200mM hydroxylamine hydrochloride and 1% by mass HAuCl in a volume ratio of 1:1 was added dropwise4The solution was reacted for 2 hours, and the growth liquid was dropped repeatedly 2 times.
7. And (3) dropwise adding an equal amount of gold nanoparticle solution on the back surface of the hydrophilic area of the paper chip subjected to the treatment, and repeating the step (5) and the step (6), so as to finally obtain the paper-based gold conductive wire and the paper-based gold electrode with excellent transverse conductivity and good longitudinal conductivity. According to different functions, 6 hydrophilic areas on the functional board, on which gold nanoparticles grow, can be divided into a square external electrode a, a rectangular gold conductive wire b and a multifunctional electrode c formed by combining a round area and a rectangular area.
8. Respectively printing a rectangular wax pattern at the joint of the circular and rectangular areas of the two multifunctional electrodes c by a solid wax printer; the obtained paper is placed above an electronic universal furnace to move back and forth, and the printed wax pattern is melted by uniform heating and is soaked with the electrode on which the gold nano particles grow, so that the paper-based multifunctional electrode which is conductive and hydrophobic is formed, as shown in the attached figure 2.
9. And folding along the blank area between the transmission plate and the isolation plate and the blank area between the isolation plate and the functional plate so as to form the three-dimensional paper-based multifunctional circuit.
In the step 1, the sizes of the transmission plate, the isolation plate and the function plate are the same and are squares with side lengths of 65-75 mm.
In the step 3, the size of the hydrophilic area in the transmission plate is 5-8mm in width and 50-60mm in length; the side length of a square hydrophilic area in the isolation plate is 5-8 mm; the side length of a square hydrophilic area in the functional plate is 5-8 mm; the rectangular hydrophilic area in the functional plate is 5-8mm wide and 60-65mm long; the diameter of a circle in a hydrophilic area formed by combining a circle and a rectangular area in the functional plate is 7-9mm, and the width and the length of the rectangular area are 5-8mm and 8-12mm respectively.
The size of the wax pattern printed in step 8 is 2-4mm wide and 7-9mm long.
The invention has the beneficial effects that:
(1) the paper-based gold conductive wire and the paper-based gold electrode constructed by the method have excellent transverse conductive capacity and break through the longitudinal conductive problem of the paper base;
(2) because the paper base material has certain flexibility, the paper-based circuit constructed on the basis of the paper base material also has flexibility;
(3) by changing the overall design of the circuit, a paper circuit with more layers and more complex functions can be constructed;
(4) the conductive and hydrophobic circuit obtained after solid wax is printed again at the specific part of the prepared paper-based gold conductive wire and is heated and melted has wide application prospect in the field of flexible circuits, and the function of the paper-based circuit is further improved.
Drawings
FIG. 1 is a schematic diagram of the overall layout of a paper-based multi-functional circuit;
FIG. 2 is a schematic diagram of a paper-based multifunctional circuit grown with gold nanoparticles and subjected to a secondary solid wax printing process.
Detailed Description
For a better understanding of the present invention, the following examples and drawings are included to further illustrate the present invention, but the present invention is not limited to the following examples.
Example 1.
The construction method of the three-dimensional paper-based multifunctional circuit has the characteristics of time saving, labor saving and environmental friendliness, and comprises the following specific preparation steps:
(1) photoshop CS6 or CorelDRAW X6 or Aillusterr CS6 software is used to design the overall layout of the three-dimensional paper-based multifunctional circuit. As shown in figure 1, a transmission plate, a separation plate and a function plate are sequentially arranged from left to right along the long side direction of the paper-based multifunctional circuit.
(2) And (3) printing the pattern designed in the step (1) on copy paper with the size of A4 by a solid wax printer.
(3) Putting the paper obtained in the step (2) into a heating plate or an oven, and heating for 30-120 seconds in an environment of 60-120 ℃ to melt the printed wax and soak the whole paper in a corresponding area to form a hydrophobic wall; the areas where the wax pattern was not printed exhibited hydrophilic properties; there are 2, 4 and 6 hydrophilic areas on the transmission plate, isolation plate and function plate.
(4) 100mL of deionized water is weighed into a three-neck flask, heated to 90 ℃, and then 1.0mL of HAuCl with the mass fraction of 1% is dripped4Heating the solution to 96 ℃ and keeping the temperature for 1 minute; then adding 3.0mL of 1% sodium citrate solution by mass fraction, and continuing stirring for reaction for 15 minutes; naturally cooling to room temperature to obtain the gold nanoparticles with the particle size of 12-15 nm.
(5) And (3) dropwise adding a certain amount of the gold nanoparticle solution obtained in the step (4) to the hydrophilic areas of the transmission plate, the isolation plate and the functional plate obtained in the step (3), drying for 2 hours at room temperature, and then repeatedly dropwise adding twice to immobilize more gold nanoparticles as seeds.
(6) After washing the above-mentioned region with secondary water, a freshly prepared growth liquid containing 200mM hydroxylamine hydrochloride and 1% by mass HAuCl in a volume ratio of 1:1 was added dropwise4The solution was reacted for 2 hours, and the growth liquid was dropped repeatedly 2 times.
(7) And (3) dropwise adding the same amount of gold nanoparticle solution on the back surface of the hydrophilic area of the paper chip subjected to the treatment, and repeating the step (5) and the step (6), so as to finally obtain the paper-based gold conductive wire and the paper-based gold electrode with excellent transverse conductivity and good longitudinal conductivity. According to different functions, 6 hydrophilic areas on the functional board, on which gold nanoparticles grow, can be divided into a square external electrode a, a rectangular gold conductive wire b and a multifunctional electrode c formed by combining a round area and a rectangular area.
(8) Respectively printing a rectangular wax pattern at the joint of the circular and rectangular areas of the two multifunctional electrodes c by a solid wax printer; the obtained paper is placed above an electronic universal furnace to move back and forth, and the printed wax pattern is melted by uniform heating and is soaked with the electrode on which the gold nano particles grow, so that the paper-based multifunctional electrode which is conductive and hydrophobic is formed, as shown in the attached figure 2.
(9) And folding along the blank area between the transmission plate and the isolation plate and the blank area between the isolation plate and the functional plate so as to form the three-dimensional paper-based multifunctional circuit.
(10) One end of the rectangular gold conducting wire b of the functional board is connected with an energy supply device, and the other end of the rectangular gold conducting wire b is connected with a blue LED lamp, so that the blue LED lamp can be seen to be lightened; meanwhile, the multifunctional electrode c is connected with the red LED lamp, the square external electrode a is connected with the energy supply device, the red LED lamp can be seen to be lightened, and the fact that the two circuits have no influence on each other is proved.
In the step 1, the sizes of the transmission plate, the isolation plate and the function plate are the same and are all squares with side length of 70 mm.
The size of the hydrophilic area in the transmission plate in the step 3 is 6mm in width and 58 mm in length; the side length of a square hydrophilic area in the isolation plate is 6 mm; the side length of a square hydrophilic region in the functional plate is 6 mm; the rectangular hydrophilic area in the functional plate is 6mm wide and 60mm long; the diameter of a circle in a hydrophilic area formed by combining a circle and a rectangular area in the functional board is 7 mm, and the width and the length of the rectangular area are 6mm and 8mm respectively.
The size of the wax pattern printed in step 8 was 3 mm wide and 7 mm long.
Claims (1)
1. A construction method of a three-dimensional paper-based multifunctional circuit is characterized by comprising the following preparation steps:
(1) designing the integral layout of the three-dimensional paper-based multifunctional circuit by adopting Photoshop CS6 or CorelDRAW X6 or Aillusterr CS6 software; a transmission plate, an isolation plate and a function plate are sequentially arranged from left to right along the long edge direction of the paper-based multifunctional circuit;
(2) printing the pattern designed in the step (1) on copy paper with the size of A4 by a solid wax printer;
(3) putting the paper obtained in the step (2) into a heating plate or an oven, and heating for 30-120 seconds in an environment of 60-120 ℃ to melt the printed wax and soak the whole paper in a corresponding area to form a hydrophobic wall; the areas where the wax pattern was not printed exhibited hydrophilic properties; 2, 4 and 6 hydrophilic regions are respectively arranged on the transmission plate, the isolation plate and the function plate;
(4) 100mL of deionized water is weighed into a three-neck flask, heated to 90 ℃, and then 1.0mL of HAuCl with the mass fraction of 1% is dripped4Heating the solution to 96 ℃ and keeping the temperature for 1 minute; then adding 3.0mL of 1% sodium citrate solution by mass fraction, and continuing stirring for reaction for 15 minutes; naturally cooling to room temperature to obtain gold nanoparticles with particle size of 12-15 nm;
(5) dropwise adding a certain amount of the gold nanoparticle solution obtained in the step (4) to the hydrophilic areas of the transmission plate, the isolation plate and the functional plate obtained in the step (3), drying for 2 hours at room temperature, and then repeatedly dropwise adding twice to immobilize more gold nanoparticles as seeds;
(6) after washing the above-mentioned region with secondary water, a freshly prepared growth liquid containing 200mM hydroxylamine hydrochloride and 1% by mass HAuCl in a volume ratio of 1:1 was added dropwise4Reacting the solution for 2 hours, and repeatedly dripping the growth liquid for 2 times;
(7) dropwise adding the same amount of gold nanoparticle solution on the back surface of the hydrophilic area of the paper chip subjected to the treatment, and repeating the step (5) and the step (6), so as to finally obtain the paper-based gold conductive wire and the paper-based gold electrode with excellent transverse conductivity and good longitudinal conductivity; according to different functions, 6 hydrophilic areas on the functional board, on which gold nanoparticles grow, can be divided into a square external electrode a, a rectangular gold conductive wire b and a multifunctional electrode c formed by combining a circular area and a rectangular area;
(8) respectively printing a rectangular wax pattern at the joint of the circular and rectangular areas of the two multifunctional electrodes c by a solid wax printer; the obtained paper is placed above an electronic universal furnace to move back and forth, and the printed wax pattern is melted by uniform heating and is soaked into the electrode on which the gold nano particles grow, so that the conductive and hydrophobic paper-based multifunctional electrode is formed;
(9) folding along the blank area between the transmission plate and the isolation plate and the blank area between the isolation plate and the function plate to form a three-dimensional paper-based multifunctional circuit;
in the step 1, the sizes of the transmission plate, the isolation plate and the function plate are the same and are squares with side lengths of 65-75 mm;
in step 3, the size of the hydrophilic area in the transmission plate is 5-8mm in width and 50-60mm in length; the side length of a square hydrophilic area in the isolation plate is 5-8 mm; the side length of a square hydrophilic area in the functional plate is 5-8 mm; the rectangular hydrophilic area in the functional plate is 5-8mm wide and 60-65mm long; the diameter of a circle in a hydrophilic area formed by combining a circle and a rectangular area in the functional plate is 7-9mm, the width of the rectangular area is 5-8mm, and the length of the rectangular area is 8-12 mm;
in step 8, the printed wax pattern is 2-4mm wide and 7-9mm long.
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| CN201711234732.7A CN107734862B (en) | 2017-11-30 | 2017-11-30 | Construction method of three-dimensional paper-based multifunctional circuit |
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| CN107734862B true CN107734862B (en) | 2020-04-21 |
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| CN109012770B (en) * | 2018-07-12 | 2021-05-14 | 中国科学院成都生物研究所 | Multilayer paper chip structure, manufacturing apparatus and method, and fluid interlayer flow method |
| CN110306225A (en) * | 2019-08-21 | 2019-10-08 | 济南大学 | A kind of preparation method of paper base zinc oxide nano mitron |
| CN110628996A (en) * | 2019-09-17 | 2019-12-31 | 清远市正通金属制品有限公司 | Metal hot working production line and use method |
| CN111542173A (en) * | 2020-04-28 | 2020-08-14 | 浙江大学 | Paper-based electronic circuit printing method using wax-based solid conductive ink |
| CN111471348B (en) * | 2020-04-28 | 2022-03-01 | 浙江大学 | Wax-dispersed liquid metal solid ink and preparation method and application thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000037793A (en) * | 1998-07-23 | 2000-02-08 | Ichihara:Kk | Production of sutra copying paper |
| CN103869087A (en) * | 2012-12-18 | 2014-06-18 | 中国科学院大连化学物理研究所 | Three-dimensional paper-based microfluidics and manufacture method thereof |
| CN104483310A (en) * | 2014-12-03 | 2015-04-01 | 济南大学 | Construction method of visual self-energized glucose biosensor |
| CN106248767A (en) * | 2016-07-15 | 2016-12-21 | 济南大学 | One is used for detecting H in cancerous cell2the preparation method of the three-dimensional paper analysis device of S |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000037793A (en) * | 1998-07-23 | 2000-02-08 | Ichihara:Kk | Production of sutra copying paper |
| CN103869087A (en) * | 2012-12-18 | 2014-06-18 | 中国科学院大连化学物理研究所 | Three-dimensional paper-based microfluidics and manufacture method thereof |
| CN104483310A (en) * | 2014-12-03 | 2015-04-01 | 济南大学 | Construction method of visual self-energized glucose biosensor |
| CN106248767A (en) * | 2016-07-15 | 2016-12-21 | 济南大学 | One is used for detecting H in cancerous cell2the preparation method of the three-dimensional paper analysis device of S |
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