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NL7708107A - PROCESS FOR CONVERTING NITROGEN OF TYPE IB TO NITROGEN OF TYPE IA INTO A DIAMOND CRYSTAL. - Google Patents

PROCESS FOR CONVERTING NITROGEN OF TYPE IB TO NITROGEN OF TYPE IA INTO A DIAMOND CRYSTAL.

Info

Publication number
NL7708107A
NL7708107A NL7708107A NL7708107A NL7708107A NL 7708107 A NL7708107 A NL 7708107A NL 7708107 A NL7708107 A NL 7708107A NL 7708107 A NL7708107 A NL 7708107A NL 7708107 A NL7708107 A NL 7708107A
Authority
NL
Netherlands
Prior art keywords
type
nitrogen
diamond crystal
converting
converting nitrogen
Prior art date
Application number
NL7708107A
Other languages
Dutch (nl)
Original Assignee
Gen Electric
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
Application filed by Gen Electric filed Critical Gen Electric
Publication of NL7708107A publication Critical patent/NL7708107A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J3/00—Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor
    • B01J3/06—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies
    • B01J3/062—Processes using ultra-high pressure, e.g. for the formation of diamonds; Apparatus therefor, e.g. moulds or dies characterised by the composition of the materials to be processed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0605—Composition of the material to be processed
    • B01J2203/061—Graphite
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0605—Composition of the material to be processed
    • B01J2203/062—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/065—Composition of the material produced
    • B01J2203/0655—Diamond
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/068—Crystal growth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/069—Recrystallisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2203/00—Processes utilising sub- or super atmospheric pressure
    • B01J2203/06—High pressure synthesis
    • B01J2203/0675—Structural or physico-chemical features of the materials processed
    • B01J2203/0695—Colour change

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Adornments (AREA)
NL7708107A 1976-07-21 1977-07-20 PROCESS FOR CONVERTING NITROGEN OF TYPE IB TO NITROGEN OF TYPE IA INTO A DIAMOND CRYSTAL. NL7708107A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US70729976A 1976-07-21 1976-07-21
US70729876A 1976-07-21 1976-07-21

Publications (1)

Publication Number Publication Date
NL7708107A true NL7708107A (en) 1978-01-24

Family

ID=27107853

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7708107A NL7708107A (en) 1976-07-21 1977-07-20 PROCESS FOR CONVERTING NITROGEN OF TYPE IB TO NITROGEN OF TYPE IA INTO A DIAMOND CRYSTAL.

Country Status (9)

Country Link
JP (1) JPS5325292A (en)
DE (1) DE2732793A1 (en)
FR (1) FR2359071A1 (en)
GB (1) GB1578987A (en)
IE (1) IE45102B1 (en)
IL (1) IL52377A0 (en)
IT (1) IT1081297B (en)
NL (1) NL7708107A (en)
SE (1) SE7708383L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0007887D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond
ATE341394T1 (en) * 2000-03-31 2006-10-15 Element Six Pty Ltd HIGH TEMPERATURE/HIGH PRESSURE COLOR CHANGE OF DIAMONDS
GB0007890D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond
KR101052395B1 (en) 2002-09-06 2011-07-28 엘리멘트 식스 리미티드 Colored diamonds
GB201608669D0 (en) 2016-05-17 2016-06-29 Element Six Uk Ltd Diamond tool piece
CN111247275B (en) * 2017-10-20 2022-03-22 住友电气工业株式会社 Synthetic single crystal diamond, tool, and method for producing synthetic single crystal diamond

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL271825A (en) * 1961-11-24
US3317354A (en) * 1964-05-28 1967-05-02 Gen Electric Process for doping a diamond in a gaseous electrical discharge

Also Published As

Publication number Publication date
IE45102B1 (en) 1982-06-16
IT1081297B (en) 1985-05-16
IE45102L (en) 1978-01-21
DE2732793A1 (en) 1978-01-26
IL52377A0 (en) 1977-08-31
JPS5325292A (en) 1978-03-08
FR2359071B1 (en) 1982-11-05
FR2359071A1 (en) 1978-02-17
SE7708383L (en) 1978-01-22
GB1578987A (en) 1980-11-12

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Legal Events

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BV The patent application has lapsed