KR20000049120A - 반도체 기판용 연마패드의 드레서, 그 제조방법 및 그것을 - Google Patents
반도체 기판용 연마패드의 드레서, 그 제조방법 및 그것을 Download PDFInfo
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- KR20000049120A KR20000049120A KR1019990703204A KR19997003204A KR20000049120A KR 20000049120 A KR20000049120 A KR 20000049120A KR 1019990703204 A KR1019990703204 A KR 1019990703204A KR 19997003204 A KR19997003204 A KR 19997003204A KR 20000049120 A KR20000049120 A KR 20000049120A
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- dresser
- lead alloy
- hard abrasive
- polishing
- abrasive particles
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- 238000005498 polishing Methods 0.000 title claims abstract description 139
- 239000004065 semiconductor Substances 0.000 title claims abstract description 38
- 239000000758 substrate Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims description 47
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000002245 particle Substances 0.000 claims abstract description 141
- 229910000978 Pb alloy Inorganic materials 0.000 claims abstract description 68
- 229910052751 metal Inorganic materials 0.000 claims abstract description 63
- 239000002184 metal Substances 0.000 claims abstract description 63
- 239000000956 alloy Substances 0.000 claims abstract description 44
- 230000003750 conditioning effect Effects 0.000 claims abstract description 22
- 150000004767 nitrides Chemical class 0.000 claims abstract description 20
- 229910003460 diamond Inorganic materials 0.000 claims description 34
- 239000010432 diamond Substances 0.000 claims description 34
- 239000010936 titanium Substances 0.000 claims description 27
- 229910052719 titanium Inorganic materials 0.000 claims description 27
- 229910052804 chromium Inorganic materials 0.000 claims description 19
- 239000011651 chromium Substances 0.000 claims description 19
- 229910052726 zirconium Inorganic materials 0.000 claims description 17
- PZNSFCLAULLKQX-UHFFFAOYSA-N Boron nitride Chemical compound N#B PZNSFCLAULLKQX-UHFFFAOYSA-N 0.000 claims description 16
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 14
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 14
- 239000000843 powder Substances 0.000 claims description 13
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 12
- 230000008018 melting Effects 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 239000004020 conductor Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 2
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 229910017944 Ag—Cu Inorganic materials 0.000 abstract description 2
- 229910052709 silver Inorganic materials 0.000 abstract description 2
- 235000012431 wafers Nutrition 0.000 description 49
- 239000010410 layer Substances 0.000 description 34
- 229910052582 BN Inorganic materials 0.000 description 13
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 238000005476 soldering Methods 0.000 description 10
- 150000002739 metals Chemical class 0.000 description 9
- 239000006061 abrasive grain Substances 0.000 description 8
- 230000007547 defect Effects 0.000 description 7
- 229910001220 stainless steel Inorganic materials 0.000 description 7
- INAHAJYZKVIDIZ-UHFFFAOYSA-N boron carbide Chemical compound B12B3B4C32B41 INAHAJYZKVIDIZ-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910045601 alloy Inorganic materials 0.000 description 5
- 238000001493 electron microscopy Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 5
- 229910052580 B4C Inorganic materials 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 4
- 238000004070 electrodeposition Methods 0.000 description 4
- 238000011065 in-situ storage Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- 239000002002 slurry Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005219 brazing Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000007733 ion plating Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 150000001247 metal acetylides Chemical class 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- MTPVUVINMAGMJL-UHFFFAOYSA-N trimethyl(1,1,2,2,2-pentafluoroethyl)silane Chemical compound C[Si](C)(C)C(F)(F)C(F)(F)F MTPVUVINMAGMJL-UHFFFAOYSA-N 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910018615 Si-Fe-C Inorganic materials 0.000 description 2
- 229910008300 Si—Fe—C Inorganic materials 0.000 description 2
- 238000004833 X-ray photoelectron spectroscopy Methods 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000000227 grinding Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 238000004381 surface treatment Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000003082 abrasive agent Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000002149 energy-dispersive X-ray emission spectroscopy Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000007518 final polishing process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 235000011121 sodium hydroxide Nutrition 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/017—Devices or means for dressing, cleaning or otherwise conditioning lapping tools
-
- 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
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/02—Devices or means for dressing or conditioning abrasive surfaces of plane surfaces on abrasive tools
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/12—Dressing tools; Holders therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D18/00—Manufacture of grinding tools or other grinding devices, e.g. wheels, not otherwise provided for
- B24D18/009—Tools not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
- B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
- B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
- B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
- B24D3/06—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic metallic or mixture of metals with ceramic materials, e.g. hard metals, "cermets", cements
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
Description
드레서 No. | 1 | 2 | 3 | 4 | 5 | 6 |
비교예 | 발명예 | 발명예 | 발명예 | 발명예 | 발명예 | |
납합금재료(융점, ℃) | Ni(1453) | Ag-Cu-3wt%Zr(800) | Ag-Cu-5wt%Cr(820) | Ag-Cu-2wt%Ti(790) | Ni-7wt%Cr-B-Si-Fe-C(1000) | Ag-Cu-Ni-4wt%Ti(890) |
연마입자의종류 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 다이아몬드 |
연마입자의입경 (㎛) | 130-170 | 150-210 | 140-170 | 150-190 | 130-160 | 250-300 |
납땜온도(℃) | 전착 | 850 | 850 | 850 | 1050 | 950 |
400장 연마후손상발생웨이퍼수 | 9 | 0 | 0 | 0 | 0 | 0 |
2 시간후의연마속도(㎛/min) | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
20 시간후의연마속도(㎛/min) | 0.14 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
드레서 No. | 7 | 8 | 9 | 10 | 11 | 12 |
발명예 | 발명예 | 발명예 | 발명예 | 발명예 | 발명예 | |
납합금재료(융점, ℃) | Ag-Cu-Sn-Ni-10wt%Zr(830) | Ag-Cu-Sn-Ni-15wt%Ti(910) | Ag-Cu-Li-2wt%Ti(790) | Ag-Cu-Li-10wt%Cr(850) | Ag-Cu-5wt%Cr(820) | Ag-Cu-2wt%Ti(790) |
연마입자의종류 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 입방정질화붕소 | 입방정질화붕소 |
연마입자의입경 (㎛) | 130-170 | 60-90 | 200-300 | 140-180 | 130-170 | 150-180 |
납땜온도(℃) | 850 | 950 | 850 | 900 | 850 | 850 |
400장 연마후손상발생웨이퍼수 | 0 | 0 | 0 | 0 | 0 | 0 |
2 시간후의연마속도(㎛/min) | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
20 시간후의연마속도(㎛/min) | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
드레서 No. | 13 | 14 | 15 | 16 | 17 |
발명예 | 발명예 | 발명예 | 발명예 | 발명예 | |
납합금재료(융점, ℃) | Ag-Cu-Li-2wt%Ti(790) | Ag-Cu-3wt%Zr(800) | Ag-Cu-Sn-Ni-15wt%Ti(910) | Ni-B-Si-7wt%Cr-C-Fe(1000) | Ag-Cu-Ni-4wt%Ti(890) |
연마입자의종류 | 탄화붕소 | 입방정질화붕소 | 탄화규소 | 입방정질화붕소 | 탄화붕소 |
연마입자의입경 (㎛) | 230-300 | 130-170 | 130-180 | 230-300 | 130-170 |
납땜온도(℃) | 850 | 850 | 1000 | 1050 | 950 |
400장 연마후손상발생웨이퍼수 | 0 | 0 | 0 | 0 | 0 |
2 시간후의연마속도(㎛/min) | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
20 시간후의연마속도(㎛/min) | 0.15 | 0.15 | 0.15 | 0.15 | 0.15 |
드레서 No. | 1 | 2 | 3 | 4 | 5 |
비교예 | 발명예 | 발명예 | 발명예 | 발명예 | |
납합금재료(융점, ℃) | Ni(1453) | Ag-Cu-3wt%Zr(800) | Ag-Cu-5wt%Cr(820) | Ag-Cu-2wt%Ti(790) | Ni-7wt%Cr-B-Si-Fe-C(1000) |
연마입자의종류 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 다이아몬드 | 다이아몬드 |
연마입자의입경 (㎛) | 130-170 | 150-210 | 140-170 | 150-190 | 130-160 |
납땜온도(℃) | 전착 | 850 | 850 | 850 | 1050 |
400장 연마후손상발생웨이퍼수 | 4 | 0 | 0 | 0 | 0 |
3 시간후의연마속도(㎛/min) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
30 시간후의연마속도(㎛/min) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
드레서 No. | 6 | 7 | 8 | 9 | 10 |
발명예 | 발명예 | 발명예 | 발명예 | 발명예 | |
납합금재료(융점, ℃) | Ag-Cu-5wt%Cr(820) | Ag-Cu-2wt%Ti(790) | Ag-Cu-Li-2wt%Ti(790) | Ag-Cu-3wt%Zr(800) | Ag-Cu-Sn-Ni-15wt%Ti(910) |
연마입자의종류 | 입방정질화붕소 | 입방정질화붕소 | 탄화붕소 | 입방정질화붕소 | 탄화규소 |
연마입자의입경 (㎛) | 130-170 | 150-180 | 230-300 | 130-170 | 130-180 |
납땜온도(℃) | 850 | 850 | 850 | 850 | 1000 |
400장 연마후손상발생웨이퍼수 | 0 | 0 | 0 | 0 | 0 |
3 시간후의연마속도(㎛/min) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
30 시간후의연마속도(㎛/min) | 0.3 | 0.3 | 0.3 | 0.3 | 0.3 |
Claims (27)
- 반도체 기판용 연마패드의 연마표면에 슬라이딩 접촉시켜 연마패드의 컨디셔닝을 수행하기 위한 드레서에 있어서,연마패드에 대향하는 표면을 갖는 지지부재,상기 지지부재의 상기 표면을 피복하는 납합금층, 및상기 납합금층에 분산하여 매몰, 지지되고, 그 각각의 일부가 상기 납합금층의 외부로 노출하고 있는 경질연마입자군을 포함하고,상기 각 경질연마입자와 상기 납합금의 접촉계면에서 상기 경질연마입자의 표면이 금속탄화물층 및 금속질화물층 중 어느 한 층으로 피복되어 있는 것을 특징으로 하는 반도체 기판용 연마패드의 드레서.
- 제 1 항에 있어서,상기 납합금의 융점이 650 내지 1200 ℃ 인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 납합금이 활성금속을 0.5 내지 20 wt% 함유하고 있는 것을 특징으로 하는 드레서.
- 제 3 항에 있어서,상기 활성금속이 티탄, 크롬 및 지르코늄으로 이루어지는 군에서 선택된 1 종 이상인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 경질연마입자가 다이아몬드 입자인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 경질연마입자가 입방정 질화붕소 (BN) 입자인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 경질연마입자가 탄화규소 (SiC) 입자인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 경질연마입자의 표면을 피복하는 금속탄화물층 및 금속질화물층 중 어느 한 층은, 상기 납합금과 접촉하기 전의 원재료로서의 경질연마입자를 미리 피복한 금속의 반응생성물인 것을 특징으로 하는 드레서.
- 제 8 항에 있어서,상기 경질연마입자를 미리 피복한 금속이 활성금속인 것을 특징으로 하는 드레서.
- 제 9 항에 있어서,상기 활성금속이 티탄, 크롬 및 지르코늄으로 이루어진 군에서 선택된 1 종 이상인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 경질연마입자의 표면을 피복하는 금속탄화물층 및 금속질화물층 중 어느 한 층은 상기 납합금과 접촉하기 전의 원재료로서의 경질연마입자를 미리 피복한 층인 것을 특징으로 하는 드레서.
- 제 11 항에 있어서,상기 경질연마입자의 표면을 피복하는 금속탄화물층 및 금속질화물층 중 어느 한 층을 형성하는 금속이 활성금속인 것을 특징으로 하는 드레서.
- 제 12 항에 있어서,상기 활성금속이 티탄, 크롬 및 지르코늄으로 이루어진 군에서 선택된 1 종 이상인 것을 특징으로 하는 드레서.
- 제 1 항에 있어서,상기 각 경질연마입자의 직경이 50 내지 300 ㎛ 범위내인 것을 특징으로 하는 드레서.
- 반도체 기판용 연마패드의 연마표면에 슬라이딩 접촉시켜 연마패드의 컨디셔닝을 수행하기 위한 드레서의 제조방법에 있어서,연마패드에 대향하는 표면을 갖는 지지부재, 활성금속을 함유하는 납합금재료, 및 경질연마입자로 이루어지는 분말을 준비하는 단계,상기 지지부재의 상기 표면을 따라 상기 납합금재료를 층상으로 형성하는 단계,상기 납합금재료층의 표면에 상기 경질연마입자 분말을 균일하게 분포시켜 배치하는 단계, 및상기 납합금재료 및 상기 경질연마입자 분말이 적용된 상기 지지부재를 진공가열로내에 삽입하고 상기 진공가열로의 배기를 수행하여 진공상태를 이루고, 로내 온도를 650 내지 1200 ℃ 의 범위로 상승시켜 소정시간 유지하고, 또한 용융한 상기 납합금중에 상기 경질연마입자를 부분적으로 진입시키고, 이어서 로내 온도를 실온까지 낮추는 단계를 포함하는 것을 특징으로 하는 반도체 기판용 연마패드의 드레서의 제조방법.
- 제 15 항에 있어서,상기 납합금재료를 상기 지지부재의 상기 표면을 따라 층상으로 형성하는 단계가, 상기 지지부재의 상기 표면을 대략 수평자세로 위를 향해 상기 표면 위에 상기 납합금재료를 올려놓는 것을 포함하는 것을 특징으로 하는 드레서의 제조방법.
- 제 15 항에 있어서,상기 납합금재료의 융점이 650 내지 1200 ℃ 인 것을 특징으로 하는 드레서의 제조방법.
- 제 15 항에 있어서,상기 납합금재료가 활성금속을 0.5 내지 20 wt% 함유하는 것을 특징으로 하는 드레서의 제조방법.
- 제 18 항에 있어서,상기 활성금속이 티탄, 크롬 및 지르코늄으로 이루어진 군에서 선택된 1 종 이상인 것을 특징으로 하는 드레서의 제조방법.
- 제 15 항에 있어서,상기 납합금재료가 포일인 것을 특징으로 하는 드레서의 제조방법.
- 제 15 항에 있어서,상기 각 경질연마입자의 직경이 50 내지 300 ㎛ 범위내인 것을 특징으로 하는 드레서의 제조방법.
- 반도체 기판용 연마패드의 연마표면에 슬라이딩 접촉시켜 연마패드의 컨디셔닝을 수행하기 위한 드레서의 제조방법에 있어서,연마패드에 대향하는 표면을 갖는 지지부재, 및 납합금재료를 준비하는 단계,활성금속피막, 활성금속 탄화물피막 및 활성금속 질화물피막으로 이루어지는 군에서 선택된 어느 1 종의 피막이 각 입자표면에 부착된 경질연마입자로 이루어지는 분말을 준비하는 단계,상기 지지부재의 상기 표면을 따라 상기 납합금재료를 층상으로 형성하는 단계,상기 납합금재료층의 표면에 상기 경질연마입자 분말을 균일하게 분포시켜 배치하는 단계, 및상기 납합금재료 및 상기 경질연마입자 분말이 적용된 상기 지지부재를 진공가열로내에 삽입하고 이 진공가열로의 배기를 수행하여 진공상태를 이루고, 로내 온도를 650 내지 1200 ℃ 의 범위로 상승시켜 소정시간 유지하고, 또한 용융한 상기 납합금중에 상기 경질연마입자를 부분적으로 집입시키고, 이어서 로내 온도를 실온까지 낮추는 단계를 포함하는 반도체 기판용 연마패드의 드레서의 제조방법.
- 제 22 항에 있어서,상기 납합금재료의 융점이 650 내지 1200 ℃ 인 것을 특징으로 하는 드레서의 제조방법.
- 제 22 항에 있어서,상기 각 경질연마입자를 피복하는 피막이 기상법으로 입자표면에 형성되는 것으로서, 그 두께가 0.1 내지 10 ㎛ 인 것을 특징으로 하는 드레서의 제조방법.
- 제 22 항에 있어서,상기 경질연마입자를 피복하는 활성금속피막, 활성금속 탄화물피막 및 활성금속 질화물피막으로 이루어지는 군에서 선택된 어느 1 종의 피막을 형성하는 활성금속이, 티탄, 크롬 및 지르코늄으로 이루어지는 군에서 선택된 1 종 이상인 것을 특징으로 하는 드레서의 제조방법.
- 제 22 항에 있어서,상기 각 경질연마입자의 직경이 50 내지 300 ㎛ 범위내인 것을 특징으로 하는 드레서의 제조방법.
- 웨이퍼 표면에 도전체층 및 유전체층으로 이루어지는 반도체 장치가 형성된 반도체 기판의 표면을, 화학적 기계적 연마에 의해 평탄화하는 동안, 동시 병행작업으로서, 청구항 1 에 기재된 반도체 기판용 연마패드의 드레서를 사용한 컨디셔닝 작업을 수행하는 것을 특징으로 하는 반도체 기판의 화학적 기계적 연마방법.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
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JP96-272197 | 1996-10-15 | ||
JP27219796 | 1996-10-15 | ||
JP31320996 | 1996-11-25 | ||
JP96-313209 | 1996-11-25 | ||
JP00966197A JP3482313B2 (ja) | 1997-01-22 | 1997-01-22 | 半導体基板用研磨布のドレッサーおよびその製造方法 |
JP97-009661 | 1997-01-22 | ||
JP97-156258 | 1997-06-13 | ||
JP15625997A JP3482322B2 (ja) | 1996-11-25 | 1997-06-13 | 半導体基板用研磨布のドレッサーおよびその製造方法 |
JP15625897A JP3482321B2 (ja) | 1996-10-15 | 1997-06-13 | 半導体基板用研磨布のドレッサーおよびその製造方法 |
JP97-156259 | 1997-06-13 |
Publications (2)
Publication Number | Publication Date |
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KR20000049120A true KR20000049120A (ko) | 2000-07-25 |
KR100328108B1 KR100328108B1 (ko) | 2002-03-09 |
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KR1019997003204A Expired - Fee Related KR100328108B1 (ko) | 1996-10-15 | 1997-10-14 | 반도체 기판용 연마패드의 드레서, 그 제조방법 및 그것을 사용한 화학적 기계적 연마방법 |
Country Status (4)
Country | Link |
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US (2) | US6190240B1 (ko) |
KR (1) | KR100328108B1 (ko) |
AU (1) | AU4472997A (ko) |
WO (1) | WO1998016347A1 (ko) |
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- 1997-10-14 AU AU44729/97A patent/AU4472997A/en not_active Abandoned
- 1997-10-14 US US09/284,521 patent/US6190240B1/en not_active Expired - Fee Related
- 1997-10-14 KR KR1019997003204A patent/KR100328108B1/ko not_active Expired - Fee Related
- 1997-10-14 WO PCT/JP1997/003686 patent/WO1998016347A1/ja active IP Right Grant
-
2000
- 2000-11-16 US US09/714,687 patent/US6752708B1/en not_active Expired - Fee Related
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KR20200125714A (ko) * | 2018-04-12 | 2020-11-04 | 스미또모 덴꼬오 하드메탈 가부시끼가이샤 | 드레서 |
Also Published As
Publication number | Publication date |
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US6752708B1 (en) | 2004-06-22 |
KR100328108B1 (ko) | 2002-03-09 |
WO1998016347A1 (fr) | 1998-04-23 |
US6190240B1 (en) | 2001-02-20 |
AU4472997A (en) | 1998-05-11 |
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