JPS56100120A - Diamond synthesizing method - Google Patents

Diamond synthesizing method

Info

Publication number
JPS56100120A
JPS56100120A JP78180A JP78180A JPS56100120A JP S56100120 A JPS56100120 A JP S56100120A JP 78180 A JP78180 A JP 78180A JP 78180 A JP78180 A JP 78180A JP S56100120 A JPS56100120 A JP S56100120A
Authority
JP
Japan
Prior art keywords
sample
rod
diamond
plates
temp
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.)
Pending
Application number
JP78180A
Other languages
Japanese (ja)
Inventor
Akira Noro
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.)
Resonac Holdings Corp
Original Assignee
Showa Denko KK
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 Showa Denko KK filed Critical Showa Denko KK
Priority to JP78180A priority Critical patent/JPS56100120A/en
Publication of JPS56100120A publication Critical patent/JPS56100120A/en
Pending legal-status Critical Current

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
    • B01J2203/065—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

PURPOSE:To manufacture diamond of high quality in a high yield by placing a sample prepared by attaching a reactive substance to the outside of an electrically conductive support rod in a reaction chamber so that the longitudinal direction of the rod agrees with the direction of an electric current in the chamber when diamond is synthesized at high temp. and pressure. CONSTITUTION:The laminated body of graphite plates 4 and catalyst 42 is attached to the outside of support rod 43 to prepare sample A. Rod 43 is made of iron, nickel or the like. Sample A is put in sample holder 44, electrically conductive rings 45 and heat insulating plates 46 are placed at the top and bottom of sample A, and metal plates 47 are further placed. Plates 46 are made of Al2O3 or the like. An electric current is supplied, and the graphite is converted into diamond at high temp. and pressure. Even if the electric resistance of the reactive substance is changed, sample A undergoes a little change in the electric resistance as a whole since rod 43 exists, and the temp. of sample A can be kept almost constant.
JP78180A 1980-01-08 1980-01-08 Diamond synthesizing method Pending JPS56100120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP78180A JPS56100120A (en) 1980-01-08 1980-01-08 Diamond synthesizing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP78180A JPS56100120A (en) 1980-01-08 1980-01-08 Diamond synthesizing method

Publications (1)

Publication Number Publication Date
JPS56100120A true JPS56100120A (en) 1981-08-11

Family

ID=11483235

Family Applications (1)

Application Number Title Priority Date Filing Date
JP78180A Pending JPS56100120A (en) 1980-01-08 1980-01-08 Diamond synthesizing method

Country Status (1)

Country Link
JP (1) JPS56100120A (en)

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