GB2430194B - Coloured diamond - Google Patents

Coloured diamond

Info

Publication number
GB2430194B
GB2430194B GB0623785A GB0623785A GB2430194B GB 2430194 B GB2430194 B GB 2430194B GB 0623785 A GB0623785 A GB 0623785A GB 0623785 A GB0623785 A GB 0623785A GB 2430194 B GB2430194 B GB 2430194B
Authority
GB
United Kingdom
Prior art keywords
coloured diamond
coloured
diamond
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0623785A
Other versions
GB0623785D0 (en
GB2430194A (en
Inventor
Geoffrey Alan Scarsbrook
Philip Maurice Martineau
Daniel James Twitchen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Element Six Ltd
Original Assignee
Element Six Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0220772A external-priority patent/GB0220772D0/en
Priority claimed from GB0304029A external-priority patent/GB0304029D0/en
Priority claimed from GB0506804A external-priority patent/GB2409675B/en
Application filed by Element Six Ltd filed Critical Element Six Ltd
Publication of GB0623785D0 publication Critical patent/GB0623785D0/en
Publication of GB2430194A publication Critical patent/GB2430194A/en
Application granted granted Critical
Publication of GB2430194B publication Critical patent/GB2430194B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/25—Diamond
    • C01B32/28—After-treatment, e.g. purification, irradiation, separation or recovery
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
    • C30B25/02—Epitaxial-layer growth
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/02—Elements
    • C30B29/04—Diamond
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • C—CHEMISTRY; METALLURGY
    • C30—CRYSTAL GROWTH
    • C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
    • C30B33/02—Heat treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
GB0623785A 2002-09-06 2006-11-28 Coloured diamond Expired - Lifetime GB2430194B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0220772A GB0220772D0 (en) 2002-09-06 2002-09-06 Coloured diamond
GB0304029A GB0304029D0 (en) 2003-02-21 2003-02-21 Coloured diamond
GB0506804A GB2409675B (en) 2002-09-06 2003-09-05 Modification of the colour of a single crystal CVD diamond

Publications (3)

Publication Number Publication Date
GB0623785D0 GB0623785D0 (en) 2007-01-10
GB2430194A GB2430194A (en) 2007-03-21
GB2430194B true GB2430194B (en) 2007-05-02

Family

ID=37813570

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0623785A Expired - Lifetime GB2430194B (en) 2002-09-06 2006-11-28 Coloured diamond

Country Status (1)

Country Link
GB (1) GB2430194B (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60335117D1 (en) 2002-09-06 2011-01-05 Element Six Ltd METHOD FOR CHANGING THE COLOR OF A DIAMOND CRYSTAL CYCLIC DIODE AND THEREFORE MAKING A DIAMOND LAYER THEREOF
CN104630882B (en) * 2009-06-26 2018-03-30 六号元素有限公司 For preparing the method for single-crystal CVD diamond and its product of acquisition of bright orange coloring
US9255009B2 (en) 2009-06-26 2016-02-09 Element Six Technologies Limited Diamond material
GB2476478A (en) * 2009-12-22 2011-06-29 Element Six Ltd Chemical vapour deposition diamond synthesis
US10273598B2 (en) 2009-12-22 2019-04-30 Element Six Technologies Limited Synthetic CVD diamond

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040440A2 (en) * 2001-11-07 2003-05-15 Carnegie Institution Of Washington Apparatus and method for diamond production

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003040440A2 (en) * 2001-11-07 2003-05-15 Carnegie Institution Of Washington Apparatus and method for diamond production

Also Published As

Publication number Publication date
GB0623785D0 (en) 2007-01-10
GB2430194A (en) 2007-03-21

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20150212 AND 20150219

PE20 Patent expired after termination of 20 years

Expiry date: 20230904