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Chemical Vapour Deposition of Permeation Enhancement Films
Release time：2023-12-15 13:41
Classification： Industry dynamics
Chemical Vapour Deposition (CVD) of Transmission Enhancement Films
Chemical Vapour Deposition (CVD) (Transmission Enhancement Film) is to supply gases containing the elements that make up the film to the substrate, and use energy sources such as heating, plasma and ultraviolet light to deposit the film on the substrate in a chemical reaction, which allows for the preparation of reflection-reducing films for solar cells, such as SiN, ZnS, SiO2, SiC, and so on.
The CVD method has many advantages: small directionality of film formation, good microscopic uniformity; high film purity, low residual stress, strong ductility; the film is subject to less radiation damage.
The main disadvantages of CVD are the need to react at high temperatures, high substrate temperatures, low deposition rates, generally only a few microns to a few hundred microns per hour, the complexity of the equipment used, the difficulty of localised deposition of the substrate, and the toxicity of the reaction source and the residual gases after the reaction, etc. CVD is often classified according to the type of reaction or the pressure, and the following are commonly used: low-pressure CVD (LPCVD) [20], The following types of CVD are commonly used: low pressure CVD (LPCVD) [20], atmospheric pressure CVD (APCVD), subatmospheric pressure CVD (SACVD), ultra-high vacuum CVD (UHCVD) (with permeation enhancement membranes), plasma-enhanced CVD (PECVD), high-density plasma CVD (HDPCVD), and rapid thermal CVD (RTCVD).
Plasma Enhanced Chemical Vapour Deposition (PECVD) is the most widely used method for industrial deposition of many materials.
Latest information
Recently, Suzhou Industry and Information Technology Bureau announced Jiangsu Province 2023 speciality special new small and medium-sized enterprises and 2020 annual speciality speciality new enterprise review through the enterprise list, Phoenix Town, a total of 11 enterprises were selected, of which Suzhou Womei Biological Co. This is the first time in phoenix town the same batch of selected enterprises reached double digits, to achieve this year's speciality special new enterprise "bumper harvest".
2024-03-25
Application and production of anti-glare treatment for glass
Glass is widely used in modern times and has always been a product in high demand. Through the use of specific treatments, we are able to both utilise the properties of glass and compensate for its shortcomings, no longer being constrained by its natural properties. Glass is originally a highly reflective material and therefore prone to light pollution. However, there is now a new type of anti-glare glass, by the direct sunlight when the reflection is not strong, will not sting the human eye, so commonly used in some of the screen display requirements of the higher occasion. Next, we will introduce the main applications of anti-glare glass, as well as the production method of anti-glare glass.
2024-02-06
Influential factors for the development of China's fluorine material industry
Our country has acceded to the WTO and is required to provide most-favoured-nation (MFN) treatment to other member countries in accordance with the relevant provisions of the WTO. With the entry of more foreign companies, competition in the industry will become more intense. The production costs of large foreign companies will be further reduced due to advanced technology and cheap local labour in China, which further puts them in a favourable position in the competition. In the international market, the grade of our products and the international market demand is still a distance, into the international market is still quite difficult. In addition, because fluoroelastomer and its related products are mainly used in automobile manufacturing industry, petrochemical industry, machinery manufacturing industry and home appliance industry, so the organic fluorine industry is affected by the chemical industry, automobile, home appliance, machinery manufacturing and other industries development situation. China's accession to the WTO will bring different degrees of challenges and opportunities to these industries, which in turn will have an impact on the production and operation of fluorine materials.
2024-02-06
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