Performance analysis of gold-plated PI conductive film: high conductivity and good heat resistance

1. Introduction

With the development of technology, electronic products have increasingly high requirements for materials. Traditional hard substrates are no longer able to meet the needs of components such as flexible circuit boards. To address this issue, some new types of circuit board materials have emerged, includingGold plated PI conductive filmAs an emerging material, gold-plated PI conductive film has many excellent characteristics, such as high conductivity and good heat resistance. This article will focus on analyzing the high conductivity and good heat resistance of long gold PI conductive films.

2. Preparation method of gold-plated PI conductive film

The gold-plated PI conductive film is manufactured through vacuum coating technology. The specific steps are as follows:

(1) Substrate surface treatment: Using polyimide film as the substrate, after cleaning and surface treatment, to improve the adhesion and conductivity of the coating.

(2) Vacuum coating: Using vacuum coating equipment to metalize the substrate, that is, plating copper foil on the substrate and electrolytic gold plating.

(3) Electrode fabrication: Process the conductive film into the desired shape, and use photolithography technology to fabricate electrodes on its surface, so that the conductive films can be connected to each other, thereby achieving the purpose of conductivity.

3. High conductivity of gold-plated PI conductive film

As a new type of circuit board material,Gold plated PI conductive filmOne of its most significant advantages is its high conductivity. The conductivity of gold-plated PI conductive film can be adjusted according to the required conductivity, and its surface resistivity is usually 1-10 Ω/sh. Due to its high conductivity, it can significantly reduce the impedance and noise of wires, making electrical signal transmission more stable and reliable.

The high efficiency of its conductivity is due to the composition of the gold-plated PI conductive film. Copper foil has good conductivity, while polyimide film can ensure the insulation performance of the film substrate and avoid copper foil oxidation. This excellent performance makes gold-plated PI conductive film have a wide range of application prospects in fields such as flexible circuit boards.

4. Good heat resistance of gold-plated PI conductive film

The gold-plated PI conductive film has excellent heat resistance, which is determined by its special preparation process and materials. Normally, polyimide film, as the substrate material for gold-plated PI conductive film, has a glass transition temperature of around 350 ℃.

The gold-plated PI conductive film not only has excellent conductivity, but also demonstrates outstanding heat resistance. In high temperature environments, the adhesion between copper foil and polyimide film will be further enhanced, greatly improving the stability of the conductive film and reducing the occurrence of conductive layer peeling. Meanwhile, the high temperature during the welding process will not significantly reduce the conductivity.

5. The following are several typical electronic applications of gold-plated PI conductive film:

Flexible circuit board is a special type of circuit board, and its material needs to have flexibility and conductivity.Gold plated PI conductive filmAs a new type of material, its high conductivity and plasticity make it one of the most important materials in flexible circuit boards. For example, in smartphones, tablets, watches, and other portable electronic products, many circuit boards utilize gold-plated PI conductive films, greatly improving product reliability.

The touch screen in flat panel displays usually uses capacitive touch technology, where the electrodes are made of gold-plated PI conductive film. Due to its high conductivity and good transparency, gold-plated PI conductive film can ensure the connectivity and sensitivity of touch screen electrodes, thereby achieving a better user experience.

Efficient circuits are required in LED tubes to drive LED beads, and gold-plated PI conductive film can provide high-quality circuits. Gold plated PI conductive film can be used to make circuit boards, ensuring the stability and reliability of LED tubes. In addition, gold-plated PI conductive film can also be used to make small electronic components such as inductors, capacitors, and resistors.

Automotive electronic devices need to be able to withstand working conditions under high temperature and vibration environments. The gold-plated PI conductive film has excellent heat resistance and earthquake resistance, and can maintain its stability and reliability in different environments. Therefore, gold-plated PI conductive film is widely used in the field of automotive electronics, including engine management systems, body control systems, entertainment systems, etc.

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