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https://www.lgdtrade.com/blog/guide-on-cvd-chemical-vapor-deposition-diamonds/
Jun 26, 2019 · The pure Chemical Vapor Disposition Diamond is formed when atomic hydrogen reacts with the hydrocarbon gas. These CVD Synthetic Diamond are cut and polished in a similar manner and cost as the mined diamonds. What Are the Benefits of the CVD Process over HPHT? The CVD Diamond Process offers many pros compared to the process of creating HPHT Diamonds.
https://www.forbes.com/sites/pamdanziger/2020/10/30/lab-grown-diamonds-need-to-be-on-every-jewelry-stores-shopping-list/
Oct 30, 2020 · That may change, however, as WD has just entered a sublicensing agreement with ALTR and Evolution Diamond to distribute its patented chemical …
https://www.alicat.com/synthetic-diamond-production-using-chemical-vapor-deposition/
There are two processes used to make diamonds, high-pressure and high-temperature (HPHT) and chemical vapor deposition (CVD). HPHT mimics the Earth’s natural process for diamond creation and thus requires extremely high heat (about 2000°C) and high pressures (over 1.5 million PSI) to simulate what would normally happen deep underground.
http://www.cvd-diamond.com/faq_en.htm
The possibility to deposit diamond from the gas phase (CVD) has been discovered later in the 1970/1980ties. For diamond CVD a carbon containing gas is decomposed and the carbon atoms are deposited on a surface. By proper conditions the growth of diamond crystals can be enhanced and the growth of graphite is suppressed.
http://www.manmadediamondinfo.com/cvd.shtml
Chemical vapor deposition has added an exciting component to both the world of jewelry and the world of technology. Man made diamonds that can be grown to specified sizes and thicknesses for use in computers, lasers and radiation detection devices can enhance the future of those products.
https://en.wikipedia.org/wiki/Synthetic_diamond
This low-pressure process is known as chemical vapor deposition (CVD). William G. Eversole reportedly achieved vapor deposition of diamond over diamond substrate in 1953, but it was not reported until 1962. Diamond film deposition was independently reproduced by Angus and coworkers in 1968 and by Deryagin and Fedoseev in 1970.
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