CA2079665A1 - Ultra-hard abrasive particles - Google Patents
Ultra-hard abrasive particlesInfo
- Publication number
- CA2079665A1 CA2079665A1 CA002079665A CA2079665A CA2079665A1 CA 2079665 A1 CA2079665 A1 CA 2079665A1 CA 002079665 A CA002079665 A CA 002079665A CA 2079665 A CA2079665 A CA 2079665A CA 2079665 A1 CA2079665 A1 CA 2079665A1
- Authority
- CA
- Canada
- Prior art keywords
- nitrogen
- isotopes
- ratio
- diamond
- catalyst
- 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.)
- Abandoned
Links
- 239000002245 particle Substances 0.000 title claims abstract description 35
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 22
- 239000010432 diamond Substances 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 229910052582 BN Inorganic materials 0.000 claims abstract description 10
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims abstract description 10
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims abstract description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical group [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 27
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 238000006243 chemical reaction Methods 0.000 claims description 22
- 239000003054 catalyst Substances 0.000 claims description 16
- 238000000034 method Methods 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 10
- 229910052742 iron Inorganic materials 0.000 claims description 9
- 229910052759 nickel Inorganic materials 0.000 claims description 9
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 5
- QGZKDVFQNNGYKY-OUBTZVSYSA-N Ammonia-15N Chemical compound [15NH3] QGZKDVFQNNGYKY-OUBTZVSYSA-N 0.000 claims description 4
- 229910052791 calcium Inorganic materials 0.000 claims description 3
- 239000011575 calcium Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 claims description 3
- 229910001337 iron nitride Inorganic materials 0.000 claims description 2
- IDBFBDSKYCUNPW-UHFFFAOYSA-N lithium nitride Chemical compound [Li]N([Li])[Li] IDBFBDSKYCUNPW-UHFFFAOYSA-N 0.000 claims description 2
- 238000005121 nitriding Methods 0.000 claims description 2
- -1 nitrogen-containing compound Chemical class 0.000 claims 5
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 claims 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 2
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 claims 2
- NSPMIYGKQJPBQR-UHFFFAOYSA-N 4H-1,2,4-triazole Chemical compound C=1N=CNN=1 NSPMIYGKQJPBQR-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 claims 1
- 239000004312 hexamethylene tetramine Substances 0.000 claims 1
- 150000002484 inorganic compounds Chemical class 0.000 claims 1
- 229910010272 inorganic material Inorganic materials 0.000 claims 1
- 229960004011 methenamine Drugs 0.000 claims 1
- 150000002894 organic compounds Chemical class 0.000 claims 1
- 230000015572 biosynthetic process Effects 0.000 description 12
- 238000003786 synthesis reaction Methods 0.000 description 12
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 5
- 229910052796 boron Inorganic materials 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000004435 EPR spectroscopy Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- 239000002775 capsule Substances 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- SNTWKPAKVQFCCF-UHFFFAOYSA-N 2,3-dihydro-1h-triazole Chemical compound N1NC=CN1 SNTWKPAKVQFCCF-UHFFFAOYSA-N 0.000 description 1
- 241000518994 Conta Species 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 101100208721 Mus musculus Usp5 gene Proteins 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 241000009298 Trigla lyra Species 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000004949 mass spectrometry Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 229910017464 nitrogen compound Inorganic materials 0.000 description 1
- 150000002830 nitrogen compounds Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000002897 organic nitrogen compounds Chemical class 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 150000002910 rare earth metals Chemical class 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K3/00—Materials not provided for elsewhere
- C09K3/14—Anti-slip materials; Abrasives
- C09K3/1409—Abrasive particles per se
-
- 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
- B01J2203/0605—Composition of the material to be processed
- B01J2203/0645—Boronitrides
-
- 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
- B01J2203/065—Composition of the material produced
- B01J2203/066—Boronitrides
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
- Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]
- Y10T428/2991—Coated
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Carbon And Carbon Compounds (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Catalysts (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Ceramic Products (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA918165 | 1991-10-14 | ||
| ZA91/8165 | 1991-10-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2079665A1 true CA2079665A1 (en) | 1993-04-15 |
Family
ID=67210363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002079665A Abandoned CA2079665A1 (en) | 1991-10-14 | 1992-10-01 | Ultra-hard abrasive particles |
Country Status (9)
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5593783A (en) * | 1994-06-17 | 1997-01-14 | Advanced Technology Materials, Inc. | Photochemically modified diamond surfaces, and method of making the same |
| US6652004B1 (en) * | 1999-08-03 | 2003-11-25 | Michael R. Lam | Item made from combination of rare and common materials and method of making the same |
| US7368710B2 (en) * | 2000-02-09 | 2008-05-06 | Xceleron Limited | Sample preparation method |
| GB2424903B (en) † | 2003-12-12 | 2008-06-25 | Element Six Ltd | Method of incorporating a mark in cvd diamond |
| DE602004016394D1 (de) | 2003-12-12 | 2008-10-16 | Element Six Ltd | Verfahren zum einbringen einer markierung in einen cvd-diamanten |
| AU2006268747B2 (en) * | 2005-07-13 | 2012-05-03 | Sachtleben Chemie Gmbh | Marked inorganic additives |
| US9242342B2 (en) * | 2012-03-14 | 2016-01-26 | Taiwan Semiconductor Manufacturing Company, Ltd. | Manufacture and method of making the same |
| CN103877914B (zh) * | 2014-04-01 | 2016-01-27 | 山东建筑大学 | 高强度细颗粒立方氮化硼单晶及其合成方法和应用 |
| CN105326509B (zh) * | 2015-10-16 | 2018-10-26 | 同济大学 | 一种指纹显现磁性粉及其制备方法与应用 |
| CN105411598B (zh) * | 2015-11-30 | 2018-08-24 | 同济大学 | 一种TiO2/C强化指纹显现磁性粉及其制备方法与应用 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3779726A (en) * | 1969-03-07 | 1973-12-18 | Norton Co | A method of making a metal impregnated grinding tool |
| US4062660A (en) * | 1973-04-16 | 1977-12-13 | Nicholas Michael G | Method of producing nickel coated diamond particles |
| JPS5061413A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1973-10-01 | 1975-05-27 | ||
| US4188194A (en) * | 1976-10-29 | 1980-02-12 | General Electric Company | Direct conversion process for making cubic boron nitride from pyrolytic boron nitride |
| IE47393B1 (en) * | 1977-09-12 | 1984-03-07 | De Beers Ind Diamond | Abrasive materials |
| SU1039397A1 (ru) * | 1982-01-07 | 1988-11-07 | Научно-исследовательский институт ядерной физики при Томском политехническом институте | Устройство дл создани радиоактивных алмазных индикаторов |
| US4610699A (en) * | 1984-01-18 | 1986-09-09 | Sumitomo Electric Industries, Ltd. | Hard diamond sintered body and the method for producing the same |
| EP0243825B1 (en) * | 1986-04-17 | 1994-01-05 | Sumitomo Electric Industries Limited | Wire incrusted with abrasive grain and method for producing the same |
| JPS637269A (ja) * | 1986-06-24 | 1988-01-13 | Brother Ind Ltd | 焼結用加熱炉 |
| AU634601B2 (en) * | 1989-12-11 | 1993-02-25 | General Electric Company | Single-crystal diamond of very high thermal conductivity |
| US5173089A (en) * | 1990-03-30 | 1992-12-22 | Sumitomo Electric Industries, Ltd. | Method for producing the polycrystalline diamond tool |
-
1992
- 1992-09-23 ZA ZA927268A patent/ZA927268B/xx unknown
- 1992-09-30 TW TW081107774A patent/TW242158B/zh active
- 1992-10-01 CA CA002079665A patent/CA2079665A1/en not_active Abandoned
- 1992-10-13 DE DE69220320T patent/DE69220320T2/de not_active Expired - Fee Related
- 1992-10-13 KR KR1019920018792A patent/KR930007804A/ko not_active Withdrawn
- 1992-10-13 AT AT92309298T patent/ATE154382T1/de active
- 1992-10-13 EP EP92309298A patent/EP0537976B1/en not_active Expired - Lifetime
- 1992-10-14 JP JP4275946A patent/JPH05214319A/ja active Pending
-
1993
- 1993-10-14 US US08/136,493 patent/US5401283A/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| TW242158B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1995-03-01 |
| EP0537976B1 (en) | 1997-06-11 |
| ATE154382T1 (de) | 1997-06-15 |
| EP0537976A2 (en) | 1993-04-21 |
| AU2605692A (en) | 1993-04-22 |
| JPH05214319A (ja) | 1993-08-24 |
| AU646978B2 (en) | 1994-03-10 |
| DE69220320D1 (de) | 1997-07-17 |
| US5401283A (en) | 1995-03-28 |
| ZA927268B (en) | 1993-03-25 |
| KR930007804A (ko) | 1993-05-20 |
| EP0537976A3 (en) | 1993-10-13 |
| DE69220320T2 (de) | 1998-01-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2079665A1 (en) | Ultra-hard abrasive particles | |
| WO2003040062A2 (en) | Low oxygen cubic boron nitride and its production | |
| JPH06154578A (ja) | ダイヤモンド合成用反応容器 | |
| US4883648A (en) | Cubic boron nitride manufacture | |
| EP0197790B1 (en) | Wire drawing die | |
| CA1091424A (en) | Hard materials | |
| KR960002187B1 (ko) | 다이아몬드 합성법 | |
| JPH06182184A (ja) | ダイヤモンド単結晶の合成方法 | |
| EP0638670B1 (en) | Method for enhancing the toughness of manufactured diamond | |
| CA2103896A1 (en) | Production of metal and metalloid nitrides | |
| US4944913A (en) | Abrasive and wear resistant material | |
| CA1157626A (en) | Process for growing diamonds | |
| Verneker et al. | Effect of prior mechanical and thermal treatment on the thermal decomposition and sublimation of cubic ammonium perchlorate | |
| US3124422A (en) | Synthesis of diamonds | |
| EP1023246B1 (en) | Diamond core with a diamond coating | |
| EP0668377A1 (en) | Method for enhancing the toughness of manufactured diamond | |
| JPS60131811A (ja) | 窒化硼素の合成方法 | |
| US3773903A (en) | Method of manufacturing diamond crystals | |
| JPS6253218B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH1114524A (ja) | ダイヤモンド圧子 | |
| KR102111284B1 (ko) | 유일한 입방정 질화 붕소 결정들 및 이들의 제조 방법 | |
| JP3282249B2 (ja) | ダイヤモンド単結晶の合成方法 | |
| RU2057066C1 (ru) | Способ синтеза алмазов | |
| JPH02280826A (ja) | ダイヤモンドの合成方法 | |
| IE58556B1 (en) | Cubic boron nitride abrasive body |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |