IL52377A0 - Method for converting type 1b nitrogen in a diamond crystal into type 1a nitrogen - Google Patents

Method for converting type 1b nitrogen in a diamond crystal into type 1a nitrogen

Info

Publication number
IL52377A0
IL52377A0 IL52377A IL5237777A IL52377A0 IL 52377 A0 IL52377 A0 IL 52377A0 IL 52377 A IL52377 A IL 52377A IL 5237777 A IL5237777 A IL 5237777A IL 52377 A0 IL52377 A0 IL 52377A0
Authority
IL
Israel
Prior art keywords
nitrogen
type
diamond crystal
converting
converting type
Prior art date
Application number
IL52377A
Other languages
English (en)
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 IL52377A0 publication Critical patent/IL52377A0/xx

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)
IL52377A 1976-07-21 1977-06-23 Method for converting type 1b nitrogen in a diamond crystal into type 1a nitrogen IL52377A0 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
IL52377A0 true IL52377A0 (en) 1977-08-31

Family

ID=27107853

Family Applications (1)

Application Number Title Priority Date Filing Date
IL52377A IL52377A0 (en) 1976-07-21 1977-06-23 Method for converting type 1b nitrogen in a diamond crystal into type 1a nitrogen

Country Status (9)

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

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
RU2293603C2 (ru) * 2000-03-31 2007-02-20 Элемент Сикс Текнолоджиз (Пти) Лтд. Способ изменения цвета алмаза при высокой температуре и высоком давлении
GB0007890D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond
US7172655B2 (en) 2002-09-06 2007-02-06 Daniel James Twitchen Colored diamond
GB201608669D0 (en) 2016-05-17 2016-06-29 Element Six Uk Ltd Diamond tool piece
JPWO2019077888A1 (ja) * 2017-10-20 2020-11-05 住友電気工業株式会社 合成単結晶ダイヤモンド、工具、及び、合成単結晶ダイヤモンドの製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL271825A (de) * 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
FR2359071A1 (fr) 1978-02-17
FR2359071B1 (de) 1982-11-05
NL7708107A (nl) 1978-01-24
IT1081297B (it) 1985-05-16
IE45102L (en) 1978-01-21
GB1578987A (en) 1980-11-12
SE7708383L (sv) 1978-01-22
JPS5325292A (en) 1978-03-08
DE2732793A1 (de) 1978-01-26

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Legal Events

Date Code Title Description
RH Patent void