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https://www.gemsociety.org/article/how-does-vapor-deposition-create-mystic-topaz-and-aqua-aura-quartz/
The vapor deposition process is completely controllable. You can create a coat of any thickness up to a micron or two. You can create an iridescent effect over rocks, glass, cabochons, or other cut gemstones. A vapor deposition process creates aqua aura quartz, like this crystal, by coating a quartz piece with gold.
https://www.lgdtrade.com/blog/guide-on-cvd-chemical-vapor-deposition-diamonds/
Jun 26, 2019 · CVD Stands for Chemical Vapor Disposition which is one of the techniques used to produce the lab created diamonds. The diamonds, developed by the CVD process, are known as Chemical Vapor Disposition Diamond. How CVD Process …
https://onlinelibrary.wiley.com/doi/10.1002/9783527615858.ch6
Chemical Vapor Deposition of Gold and Silver. Thomas H. Baum. IBM Almaden Research Center, 650 Harry Road, San Jose, CA 95120. Search for more papers by this author. ... Compounds for Vapor Deposition with Complementary Ligand Design, European Journal of Inorganic Chemistry, 10.1002/ejic.201901087, (2019).Cited by: 7
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.
https://www.hanadiamonds.com/
Chemical Vapor Deposition, or CVD process uses ultra-pure carbon-rich gasses in a regulated chamber. Selectable Beauty Because the growth of these diamonds is controlled, our lab-grown diamonds run the full gamut of cuts, colors, clarity, and available carat weight.
https://www.doylestowngoldexchange.com/fine-jewelry/lab-grown-diamonds/
Chemical Vapor Deposition. In this process a diamond seed crystal is placed in a vacuum chamber along with carbon-rich gases, like methane. Then an ionization process occurs which breaks the molecular bonds in the gases, and pure carbon is deposited onto the diamond seed and begins to crystallize which also results in a rough diamond.
https://www.cleanorigin.com/about-lab-created-diamonds/
Lab-created Diamonds There are two processes labs use to grow diamonds - High Pressure-High Temperature (HPHT) and Chemical Vapor Deposition (CVD). HPHT diamonds are made using one of three manufacturing process: a belt press, the cubic press, and the split-sphere (BARS) press.
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