Title:
単結晶ＣＶＤダイヤモンドの処理方法及び得られた製品
Document Type and Number:
Japanese Patent JP5877428
Kind Code:
B2
Abstract:
A method of making fancy pale blue or fancy pale blue/green CVD diamond material is described. The method comprises irradiating single crystal diamond material that has been grown by a CVD process with electrons to introduce isolated vacancies into the diamond material, the irradiated diamond material having (or after a further post- irradiation treatment having) a total vacancy concentration [VT] and a path length L such that [VT] x L is at least 0.072 ppm cm and at most 0.36 ppm cm, and the diamond material becomes fancy pale blue or fancy pale blue/green in colour. Fancy pale blue diamonds are also described.
Inventors:
Twitchen Daniel James
Gagan Sarah Louise
Perkins Neil
Khan Liswan Udin Ahmad
Gagan Sarah Louise
Perkins Neil
Khan Liswan Udin Ahmad
Application Number:
JP2014083916A
Publication Date:
March 08, 2016
Filing Date:
April 15, 2014
Export Citation:
Assignee:
Element Six Limited
International Classes:
C30B29/04; C01B31/06
Domestic Patent References:
| JP6263418A | ||||
| JP2000385A | ||||
| JP1131014A | ||||
| JP1183409A | ||||
| JP2005538018A |
Attorney, Agent or Firm:
Koichi Tsujii
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori
Sadao Kumakura
Atsushi Hakoda
Kenji Asai
Kazuo Yamazaki
Satsuki Ichikawa
Hironobu Hattori