KR100379552B1 - 반도체 소자의 화학적 기계적 평탄화 방법 - Google Patents
반도체 소자의 화학적 기계적 평탄화 방법 Download PDFInfo
- Publication number
- KR100379552B1 KR100379552B1 KR10-2001-0013360A KR20010013360A KR100379552B1 KR 100379552 B1 KR100379552 B1 KR 100379552B1 KR 20010013360 A KR20010013360 A KR 20010013360A KR 100379552 B1 KR100379552 B1 KR 100379552B1
- Authority
- KR
- South Korea
- Prior art keywords
- wafer
- polishing
- slurry
- polishing pad
- buffing
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/32115—Planarisation
- H01L21/3212—Planarisation by chemical mechanical polishing [CMP]
-
- 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
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02074—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a planarization of conductive layers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (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)
Abstract
Description
Claims (4)
- 텅스텐용 슬러리를 이용한 티타늄 질화막을 포함하는 웨이퍼의 화학적 기계적 평탄화 공정에 있어서,연마 패드상에서 상기 슬러리를 이용하여 상기 웨이퍼를 연마하는 단계;상기 슬러리 공급을 중단하고 탈이온수를 플로우시키어 상기 연마 패드상에 남아 있는 슬러리 및 상기 연마 공정중에 발생된 부산물을 제거하기 위한 컨디셔닝 공정을 실시하는 단계;상기 웨이퍼를 버핑 패드로 이동시키지 않고 탈이온수가 공급되어지는 상기 연마 패드상에서 버핑 공정을 실시하는 단계;상기 웨이퍼를 세정 시스템으로 이동시키어 세정 공정을 실시하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 화학적 기계적 평탄화 방법.
- 제 1 항에 있어서, 상기 컨디셔닝 공정은 상기 연마 패드에서 상기 웨이퍼를 분리시킨 후에 탈이온수를 플로우시키는 분위기에서 18∼22초 동안 실시하는 것을 특징으로 하는 반도체 소자의 화학적 기계적 평탄화 방법.
- 제 1 항에 있어서, 상기 컨디셔닝 공정은 상기 연마 패드에서 상기 웨이퍼를 떨어뜨리지 않고 상기 슬러리 공급을 중단시킨 후에 탈이온수를 플로우시키는 분위기에서 30∼50초 동안 실시하는 것을 특징으로 하는 반도체 소자의 화학적 기계적평탄화 방법.
- 제 1 항에 있어서, 상기 버핑 공정은 상기 웨이퍼를 상기 연마 패드에 밀착시키고 2∼3spi의 압력을 가한 상태에서 500ml/min의 탈이온수를 공급하는 분위기에서 28∼32초 동안 실시하는 것을 특징으로 하는 반도체 소자의 화학적 기계적 평탄화 방법.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0013360A KR100379552B1 (ko) | 2001-03-15 | 2001-03-15 | 반도체 소자의 화학적 기계적 평탄화 방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2001-0013360A KR100379552B1 (ko) | 2001-03-15 | 2001-03-15 | 반도체 소자의 화학적 기계적 평탄화 방법 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20020073640A KR20020073640A (ko) | 2002-09-28 |
| KR100379552B1 true KR100379552B1 (ko) | 2003-04-10 |
Family
ID=27697468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR10-2001-0013360A Expired - Fee Related KR100379552B1 (ko) | 2001-03-15 | 2001-03-15 | 반도체 소자의 화학적 기계적 평탄화 방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR100379552B1 (ko) |
-
2001
- 2001-03-15 KR KR10-2001-0013360A patent/KR100379552B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR20020073640A (ko) | 2002-09-28 |
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