High-precision and interval-controllable electrode and preparing method thereof

A high-precision, spacing technology, used in cable/conductor manufacturing, circuits, electrical components, etc., can solve problems such as high cost, large amounts of heavy metals and waste water, and living environment pollution, and achieve accelerated research and development progress, rapid preparation, and low cost. Effect

Active Publication Date: 2015-03-25
INST OF CHEM CHINESE ACAD OF SCI
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional exposure etching electrode manufacturing process is complicated, high energy consumption, high cost, and a large amount of heavy metals and waste water are produced in the production process, which causes serious pollution to the human living environment
The printed circuit technology based on electronic ink is limited by the printing accuracy. The line width accuracy of the printed circuit is greater than 20 microns. At present, it is still impossible to print and manufacture high-precision circuits below 20 microns based on the four traditional printing processes.
At present, the preparation of various high-precision circuits is expensive and the cycle is long. Therefore, it is of great significance and potential market value to develop a fast, environmentally friendly, low-cost and high-precision electrode preparation method, which is conducive to the rapid construction and testing of devices.

Method used

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  • High-precision and interval-controllable electrode and preparing method thereof
  • High-precision and interval-controllable electrode and preparing method thereof
  • High-precision and interval-controllable electrode and preparing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] A high-precision electrode circuit with a line width of about 5 μm and a spacing of about 70 μm is prepared on the surface of a high-temperature-resistant polyester (PET) substrate, and is used to study the preparation of large-size transparent conductive films by the grid method (MetalMesh).

[0033] (1) At first, a pattern arranged alternately by high surface energy regions and low surface energy regions is prepared on the surface of PET. The low surface energy regions are fluorosilanes with a thickness of 500 nm, and the high surface energy regions are the intrinsic surfaces of PET. It is 80 μm; the contact angle of the low surface energy region is 69.4°; the contact angle of the high surface energy region is 125.5°;

[0034] (2) Disperse 2g of conductive polymer poly-3,4-ethylenedioxythiophene and polystyrene sulfonate mixture (Bayer AG company) in 98g of water to prepare a conductive polymer solution with a solid content of 2wt%;

[0035] (3) Cover the high surface...

Embodiment 2

[0038] Transistor electrodes with a line width of about 10 μm and a spacing of about 80 μm, 120 μm, 160 μm and 200 μm were prepared on the surface of single crystal silicon to study the effect of electrode spacing on the performance of organic transistors.

[0039] (1) First prepare a pattern of high surface energy regions and low surface energy regions alternately arranged on the surface of single crystal silicon, the low surface energy region is C12 perfluoroalkane with a thickness of 300nm deposited at 190°C, and the high surface energy region It is the intrinsic surface of monocrystalline silicon, and its width is 100 μm, 140 μm, 180 μm and 220 μm; the contact angle of the low surface energy region is 39.7°; the contact angle of the high surface energy region is 127.7°;

[0040] (2) 4g particle size scope is that the nano-silver of 30-50nm is dispersed in 96g water, makes solid content and is 4wt% nano-silver emulsion;

[0041] (3) Spread the nano-silver emulsion all over ...

Embodiment 3

[0044] Blood glucose electrochemical sensor electrodes with a line width of about 20 μm and a spacing of about 500 μm were prepared on the surface of polyvinyl chloride (PVC) film.

[0045] (1) First prepare a pattern on the surface of the PVC film alternately arranged by high surface energy regions and low surface energy regions, and the low surface energy region is a mixed coating of fluorosilane and nano-silicon dioxide (particle size 20nm) with a thickness of 800nm , the high surface energy region is the intrinsic surface of the PVC film, and its width is 540 μm; the contact angle of the low surface energy region is 48.3°; the contact angle of the high surface energy region is 148.4°;

[0046] (2) Dispersing 8g of nano-gold with a particle size range of 5-10nm in 92g of water to prepare a solid content of 8wt% nano-gold emulsion;

[0047] (3) Spread the nano-gold emulsion all over the high surface energy area, and continue heating at 45°C for 10 minutes, so that the nano-g...

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Abstract

The invention provides a high-precision and interval-controllable electrode and a preparing method of high-precision and interval-controllable electrodes. The method comprises the steps that firstly, a substrate is designed and prepared, wherein high surface energy regions and lower surface energy regions are alternately arranged on the substrate; the high surface energy regions are fully paved with a solution or emulsion including conductive fillers; then, evaporation diffusion is conducted, along with the volatilization of the solvent, the freely-diffused conductive fillers are gathered and arranged on the boundary regions, adjacent to the low surface energy regions, of the high surface energy regions, the lower surface energy regions serve as dams and are used for controlling the further diffusion of liquid drops, the diffused and arranged conductive fillers are solidified through heating or photon sintering and then form interval-controllable high-precision electrodes, and the intervals of the electrodes are controlled by the width of the high surface energy regions. The high-precision and interval-controllable electrode prepared through the method has important application on the aspect of preparing high-precision electrodes of devices such as transparent conductive films, high-end sensors, transistors, storage devices and capacitors.

Description

technical field [0001] The invention belongs to the technical field of preparation of electrode circuits, in particular to a high-precision, pitch-controllable electrode circuit. [0002] Pole and its preparation method. Background technique [0003] At present, the rapid preparation methods of high-precision electrodes mainly include the traditional metal foil exposure etching technology based on photosensitive adhesive coating and the printed circuit technology based on electronic ink. The traditional exposure etching electrode manufacturing process is complicated, high energy consumption, high cost, and a large amount of heavy metals and waste water are produced in the production process, which causes serious pollution to the living environment of human beings. The printed circuit technology based on electronic ink is limited by the printing accuracy. The line width accuracy of the printed circuit is greater than 20 microns. At present, it is still impossible to print an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B13/00
Inventor 张兴业宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI
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