According to information released by research firm MarketsandMarketsTM, the diamond coatings market is worth about $1.63 billion in 2016. The market is expected to grow from $1.76 billion in 2017 to $2.56 billion in 2022, a compound from 2017 to 2022. The annual growth rate is 7.8%.
Diamond coatings are widely used in the terminal industries of electronics, machinery, industry, medical and automotive, and these terminal industries have stimulated the development of the diamond coatings market. In the field of medical technology, new methods are constantly being researched to ensure better prevention, diagnosis and treatment of diseases. Due to its superior tribological and mechanical properties, as well as corrosion resistance, biocompatibility and blood compatibility, diamond coatings have become a promising technology in biomedical applications. The growing demand for diamond-coated medical devices and equipment and the increased life of tools and equipment have driven the diamond coatings market.
In addition, diamond coated tools have great potential in a variety of processing applications and have advantages in the manufacture of tools with complex geometries such as drill bits. The increased use of lightweight, high-strength components has also led to a huge demand for diamond-coated tools in the market.
From a technical perspective, the CVD sector is expected to dominate the diamond coatings market between 2017 and 2022. CVD is a widely used material processing technique applied to thin film deposition on substrate materials in a variety of end industries. The CVD process can be performed by a variety of methods, such as atmospheric pressure CVD (APCVD) and low pressure CVD (LPCVD), among others, as well as a wide variety of precursor materials. The demand for CVD diamond coating technology is growing due to its low cost and ability to coat any shape.
On the basis of the substrate, it is expected that the metal plate will dominate the diamond coating market in 2017-2022. Diamond coatings on steel substrates are expected to bring new solutions to the friction and wear of mechanical parts. Steel is widely used in industry, and due to the inherent properties of diamonds, diamond coatings on steel offer a variety of applications. Among them, CVD diamond coating can be used as a protective film to harden the surface, improve thermal conductivity and reduce friction coefficient. Therefore, the metal sector is expected to dominate the diamond coatings market during the forecast period.
Based on the end-use industry, the electronic segment is expected to dominate the diamond coatings market between 2017 and 2022. CVD diamond's unique high thermal conductivity, high electrical resistivity and other properties make it a unique material for a new generation of high performance electronics and computer products. Optical windows, electronic components, heat sinks, wear parts and restorations require the strength, superior adaptability and long life of superabrasives, which are driving the demand for diamond coated tools and equipment.
The Asia Pacific region is expected to be the fastest growing diamond coatings market between 2017 and 2022. The availability of cheap labor, as well as the economy and available raw materials, and the large amount of foreign investment, have driven market growth in the region. In addition, the economies of countries such as China, Indonesia, Taiwan and India are attracting investment in the region. These factors are driving the Asia Pacific diamond coatings market. Europe, North America, the Middle East and Africa, South America and other regions are also key markets for diamond coatings development.
An achromatic lens or achromat is a lens that is designed to limit the effects of chromatic and spherical aberration. Achromatic lenses are corrected to bring two wavelengths (typically red and blue) into focus in the same plane.
The most common type of achromat is the achromatic doublet, which is composed of two individual lenses made fromglasses with different amounts of dispersion. Typically, one element is a negative (concave) element made out of flint glasssuch as F2, which has relatively high dispersion, and the other is a positive (convex) element made of crown glass such as BK7, which has lower dispersion. The lens elements are mounted next to each other, often cemented together, and shaped so that the chromatic aberration of one is counterbalanced by that of the other.
In the most common type (shown), the positive power of the crown lens element is not quite equalled by the negative power of the flint lens element. Together they form a weak positive lens that will bring two different wavelengths of light to a common focus. Negative doublets, in which the negative-power element predominates, are also made.
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