Title:
A synthesizing method of a diamond with the coarse surface
Document Type and Number:
Japanese Patent JP6149169
Kind Code:
B2
Abstract:
The Invention discloses a method of synthesizing a rough-surfaced diamond, especially a method of manufacturing a rough-surfaced and conductive black polycrystalline diamond, which is characterized in that it includes the following steps: 1) compress the mixed graphite and catalyst powder for standard HPHT process into a cylinder shape and ensure that the porosity is <35%; 2) use standard HPHT process to synthesize diamond; 3) when the diamond is formed and the relative pressure declines approximately to 0, with the top hammer in good contact with the synthesized pieces, control and maintain the temperature within 800-1250°C for 60-180mins; or after the diamond is formed, take out the cylinder-shaped synthetics produced by using HPHT process into the vacuum furnace, heat it to 800~1200°C and maintain it for 60-180mins; 4) take out the cylinder-shaped synthetics and remove residual graphite and catalyst. After washing the synthetics with clean water, drying the synthetics in a classified manner, or sieving the synthetics after dried, classify the diamond particles according to different intensity and mesh, so as to get rough-surfaced diamond with different particle sizes.
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Inventors:
Chen Zhen
Lilian Lin
Rich Yu Yun
Lily
Lilian Lin
Rich Yu Yun
Lily
Application Number:
JP2016552655A
Publication Date:
June 14, 2017
Filing Date:
October 11, 2014
Export Citation:
Assignee:
Henann Famous Diamond Industrial Company Limited
International Classes:
C01B32/26; B01J3/06; C30B29/04
Domestic Patent References:
| JP2009500667A | ||||
| JP2014159568A | ||||
| JP2012131707A | ||||
| JP2010520146A | ||||
| JP2012515079A |
Foreign References:
| WO2009099130A1 | ||||
| WO2010092996A1 |
Attorney, Agent or Firm:
Patent Corporation yki International Patent Office