KR102313832B1 - 다이아몬드 결정의 연마 방법과 다이아몬드 결정 - Google Patents
다이아몬드 결정의 연마 방법과 다이아몬드 결정 Download PDFInfo
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- 239000013078 crystal Substances 0.000 title claims abstract description 140
- 229910003460 diamond Inorganic materials 0.000 title claims abstract description 138
- 239000010432 diamond Substances 0.000 title claims abstract description 138
- 238000000034 method Methods 0.000 title claims abstract description 38
- 238000005498 polishing Methods 0.000 claims abstract description 48
- 230000003746 surface roughness Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000007517 polishing process Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 12
- 238000004854 X-ray topography Methods 0.000 description 10
- 230000004075 alteration Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 238000012795 verification Methods 0.000 description 4
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 229910000420 cerium oxide Inorganic materials 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- BMMGVYCKOGBVEV-UHFFFAOYSA-N oxo(oxoceriooxy)cerium Chemical compound [Ce]=O.O=[Ce]=O BMMGVYCKOGBVEV-UHFFFAOYSA-N 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/042—Lapping machines or devices; Accessories designed for working plane surfaces operating processes therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/30625—With simultaneous mechanical treatment, e.g. mechanico-chemical polishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/16—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs
-
- 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
- C01B32/28—After-treatment, e.g. purification, irradiation, separation or recovery
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/02—Elements
- C30B29/04—Diamond
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- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
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- Materials Engineering (AREA)
- Metallurgy (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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- Crystals, And After-Treatments Of Crystals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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Abstract
(해결 수단) 주면의 면방위가 (100)인 다이아몬드 결정을 준비하고, 다음으로 기계 연마를 다이아몬드 결정의 주면에 실시할 때에, 다이아몬드 결정과 회전하고 있는 연마 휠의 접촉 개소에 있어서의 연마 휠의 회전 방향상에서의 접선 방향을, 다이아몬드 결정의 <110>방향에 대하여 ±10° 이내로 하여, 기계 연마를 다이아몬드 결정의 주면에 실시한다. 이 기계 연마에 의해, 다이아몬드 결정의 면방위 (111) 방향과 평행하게, 또한 다이아몬드 결정의 주면상에 관통하여 가공 변질부를 출현시킨다. 다음으로 다이아몬드 결정의 주면에 CMP를 실시하여, 면방위 (111) 방향과 평행하게 출현한 가공 변질부를 제거하고, 주면상으로부터 가공 변질부를 제거한다.
Description
도 2는 본 발명에 관한 연마 방법의 연마 휠의 회전 방향, 도 1의 다이아몬드 결정과 연마 휠의 접촉 개소에 있어서의 접선 방향 및, 다이아몬드 결정의 <110>방향을 개략적으로 나타내는 설명도이다.
도 3은 도 2에 나타나는 연마 휠의 회전 방향, 다이아몬드 결정과 연마 휠의 접촉 개소, 접선 방향 및, 다이아몬드 결정의 <110>방향을, 연마 휠측으로부터 보았을 때의 평면도이다.
도 4는 도 3의 변경 형태를 나타내는 평면도이다.
도 5는 도 3의 그 외의 변경 형태를 나타내는 평면도이다.
도 6은 본 발명에 관한 연마 방법에 있어서 기계 연마 후에, 다이아몬드 결정의 (111) 방향과 평행하게 또한 주면상에 관통하여 출현되는 가공 변질부를 나타내는 설명도이다.
도 7은 도 6에 나타내는 가공 변질부가, CMP로 제거된 다이아몬드 결정을 개략적으로 나타내는 설명도이다.
도 8은 본 발명의 실시예에 관한 다이아몬드 결정에 기계 연마를 실시하여, 싱크로트론 X선 토포그래피법으로 측정한 다이아몬드 결정의 측면의 토포그래피 사진이다.
도 9는 본 발명의 실시예에 관한 다이아몬드 결정에 CMP를 실시하여, 싱크로트론 X선 토포그래피법으로 측정한 다이아몬드 결정의 측면의 토포그래피 사진이다.
도 10은 다이아몬드 결정에 기계 연마를 실시하여, 싱크로트론 X선 토포그래피법으로 측정한 다이아몬드 결정의 측면의 토포그래피 사진이다.
1a: 다이아몬드 결정의 면방위 (111) 방향과 평행하게 또한 주면상에 관통하여 출현한 가공 변질부
2: 주면
3: 기계 연마용의 연마 휠
3a: 연마 휠의 회전 방향
4a, 4b: 다이아몬드 결정과 연마 휠의 접촉 개소
4a1, 4b1: 접촉 개소(4a 또는 4b)에 있어서의 연마 휠의 회전 방향상에서의 접선 방향
5: 다이아몬드 결정의 <110>방향
6: 가공 변질부
θ: 다이아몬드 결정의 <110>방향에 대한, 접선 방향(4a1 또는 4b1)의 각도
Claims (4)
- 주면의 면방위가 (100)인 다이아몬드 결정을 준비하고,
다음으로 연마 휠을 이용한 기계 연마를 다이아몬드 결정의 주면에 실시할 때에, 회전하고 있지 않은 다이아몬드 결정과 회전하고 있는 연마 휠의 접촉 개소에 있어서의 연마 휠의 회전 방향상에서의 접선 방향을, 다이아몬드 결정의 <110>방향에 대하여 ±10°(단, 상기 면방위 (100)에서 평면시(平面視)의 때의 각도임) 이내로 하는 상기 접촉 개소가 계속 형성되도록 하여, 기계 연마를 다이아몬드 결정의 주면에 실시하고, 다이아몬드 결정의 면방위 (111) 방향과 평행하게 또한 다이아몬드 결정의 주면상에 관통하여 가공 변질부를 출현시키고,
다음으로 다이아몬드 결정의 주면에 CMP를 실시하여, 면방위 (111) 방향과 평행하게 출현한 가공 변질부를 제거하고, 주면상으로부터 가공 변질부를 제거하는 다이아몬드 결정의 연마 방법. - 제1항에 있어서,
상기 CMP를 실시하여, 상기 주면의 표면 거칠기 Rq를 5㎚ 이하로 하는 다이아몬드 결정의 연마 방법. - 제1항에 기재된 연마 방법이 행해진 다이아몬드 결정으로서,
주면의 면방위가 (100)임과 함께, 면방위 (111) 방향에 평행한 가공 변질부를 포함하지 않고, 또한 면방위 (111) 방향에 평행한 가공 변질부가 주면상에 출현하고 있지 않은 다이아몬드 결정. - 제3항에 있어서,
상기 주면의 표면 거칠기 Rq가 5㎚ 이하인 다이아몬드 결정.
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JPJP-P-2018-048664 | 2018-03-16 | ||
JP2018048664 | 2018-03-16 | ||
PCT/JP2019/010524 WO2019177092A1 (ja) | 2018-03-16 | 2019-03-14 | ダイヤモンド結晶の研磨方法とダイヤモンド結晶 |
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US (2) | US12134161B2 (ko) |
EP (1) | EP3766634B1 (ko) |
JP (1) | JPWO2019177092A1 (ko) |
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US1727425A (en) * | 1921-08-05 | 1929-09-10 | Joyce Koebel Diamond Tool Depa | Method of grinding or polishing diamonds |
US3568368A (en) * | 1968-06-03 | 1971-03-09 | Efraim Gwircman | Continuous diamond girdle polishing machine |
GB9109496D0 (en) * | 1990-05-04 | 1991-06-26 | Brilcut Patent | Working gemstones |
JP3152994B2 (ja) * | 1991-04-26 | 2001-04-03 | 新日本製鐵株式会社 | ダイヤモンド結晶の成長方法 |
JP4145437B2 (ja) * | 1999-09-28 | 2008-09-03 | 住友電気工業株式会社 | 単結晶GaNの結晶成長方法及び単結晶GaN基板の製造方法と単結晶GaN基板 |
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EP3766634A1 (en) | 2021-01-20 |
KR20200004410A (ko) | 2020-01-13 |
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