IT1081297B - Metodo atto a convertire azoto di tipo ib entro un cristallo diamante in azoto di tipo ia - Google Patents

Metodo atto a convertire azoto di tipo ib entro un cristallo diamante in azoto di tipo ia

Info

Publication number
IT1081297B
IT1081297B IT25932/77A IT2593277A IT1081297B IT 1081297 B IT1081297 B IT 1081297B IT 25932/77 A IT25932/77 A IT 25932/77A IT 2593277 A IT2593277 A IT 2593277A IT 1081297 B IT1081297 B IT 1081297B
Authority
IT
Italy
Prior art keywords
nitrogen
type
crystal
converting
converting type
Prior art date
Application number
IT25932/77A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT1081297B publication Critical patent/IT1081297B/it

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)
  • Adornments (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
IT25932/77A 1976-07-21 1977-07-20 Metodo atto a convertire azoto di tipo ib entro un cristallo diamante in azoto di tipo ia IT1081297B (it)

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
IT1081297B true IT1081297B (it) 1985-05-16

Family

ID=27107853

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25932/77A IT1081297B (it) 1976-07-21 1977-07-20 Metodo atto a convertire azoto di tipo ib entro un cristallo diamante in azoto di tipo ia

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
GB0007890D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond
AU779501B2 (en) * 2000-03-31 2005-01-27 Element Six Technologies (Pty) Ltd High temperature/high pressure colour change of diamond
GB0007887D0 (en) * 2000-03-31 2000-05-17 De Beers Ind Diamond Colour change of diamond
JP4711677B2 (ja) 2002-09-06 2011-06-29 エレメント シックス リミテッド 着色されたダイヤモンド
GB201608669D0 (en) * 2016-05-17 2016-06-29 Element Six Uk Ltd Diamond tool piece
KR20200072483A (ko) * 2017-10-20 2020-06-22 스미토모덴키고교가부시키가이샤 합성 단결정 다이아몬드, 공구 및 합성 단결정 다이아몬드의 제조 방법

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
JPS5325292A (en) 1978-03-08
FR2359071B1 (de) 1982-11-05
IL52377A0 (en) 1977-08-31
SE7708383L (sv) 1978-01-22
FR2359071A1 (fr) 1978-02-17
GB1578987A (en) 1980-11-12
IE45102L (en) 1978-01-21
DE2732793A1 (de) 1978-01-26
NL7708107A (nl) 1978-01-24

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