CVD diamond cultivation and its application
Release time:
2019-11-07 17:14
Yuanzhi MiddleDr.1,2
1, Bench Drill Technology (Zhengzhou) Co., Ltd. Zhengzhou, Henan450016
2, Zhengzhou Shuoda Diamond Co., Ltd. Zhengzhou, Henan450016
Email:yuanjoechihchun@gmail.com

CVDSynthetic Diamond Applications
chemical vapor depositionCVDmethod to grow polycrystalline diamond film, in1980came out in the middle of the decade, single crystalCVDdiamond in1990At the end of the s, research and development began to take place2000EarlyElemental 6. Carnegie, ApolloSuch as the company's growth success, but failed to form a market sales.2012At the beginning of the yearof SingaporeIIDCompanyThe commercialization of colorless high-quality products grown by microwave plasma chemical vapor deposition, from small to carat jewelry diamonds, is soldof the same class of natural diamonds2/3~1/2To1/3The future will be lower.It was a shock to the natural diamond market. In fact, single crystal jewelry diamonds are justCVDA small part of the function, a large area4~8Inch diameter single crystal, polycrystalline diamond in sound, light, chemical, electricity, heat, medicine.There are more and more important uses.
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Dr. Yuan Zhizhong, Chairman of Bench Diamond Technology, gave a lecture entitled "Identification of Gem Diamonds Cultivated by CVD Method" at the Appraisal Institute on the 11.9 at the invitation of the Appraisal Institute of Taiwan Gemological Institute. In the lecture, Yuan Dong introduced in detail the historical principles of CVD diamonds and their development status, and introduced in detail several methods to distinguish CVD diamonds from natural diamonds on how to identify gem-grade CVD diamonds that participants are concerned about! Yuan Dong's wonderful speech was well received by the participants!
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Dr. Yuan Zhizhong, Chairman of Bench Diamond Technology, was invited by Hangzhou International Jewelry City to attend an academic symposium on November 19, 2013. At the symposium, Yuan Dong gave a speech entitled "International Situation and Identification of CVD Synthetic Diamonds" on the current situation of CVD synthetic diamonds that jewelers are concerned about and how to distinguish CVD diamonds from natural diamonds. In the speech, Yuan Dong introduced in detail the history of CVD diamonds, the international situation of CVD diamonds and the commonly used identification methods of CVD diamonds, and answered some questions raised by jewelers. Mr. Yuen's speech was well received by the participants, and all jewelers said they benefited.