KR100732309B1 - 반도체소자의 제조방법 - Google Patents
반도체소자의 제조방법 Download PDFInfo
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- KR100732309B1 KR100732309B1 KR1020010035782A KR20010035782A KR100732309B1 KR 100732309 B1 KR100732309 B1 KR 100732309B1 KR 1020010035782 A KR1020010035782 A KR 1020010035782A KR 20010035782 A KR20010035782 A KR 20010035782A KR 100732309 B1 KR100732309 B1 KR 100732309B1
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- Prior art keywords
- insulating film
- slurry
- semiconductor device
- contact plug
- sti
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
- H01L21/7684—Smoothing; Planarisation
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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
- H01L21/31—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
- H01L21/3105—After-treatment
- H01L21/31051—Planarisation of the insulating layers
- H01L21/31053—Planarisation of the insulating layers involving a dielectric removal step
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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
- H01L21/31—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]
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76819—Smoothing of the dielectric
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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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- 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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Abstract
Description
Claims (12)
- 반도체기판 상부에 마스크절연막패턴이 적층되어 있는 워드라인을 형성하는 공정과,전체표면 상부에 비트라인 콘택 및 저장전극 콘택으로 예정되는 부분을 노출시키는 콘택홀이 구비되는 층간절연막을 형성하는 공정과,전체표면 상부에 콘택플러그용 도전층을 형성하는 공정과,상기 마스크절연막패턴을 연마장벽으로 상기 콘택플러그용 도전층 및 층간절연막을 화학적 기계적 연마공정으로 제거하여 상기 콘택홀을 매립시키는 콘택플러그를 형성하되, 상기 화학적 기계적 연마공정은 고선택비를 갖는 STI(shallow trench isolation)용 슬러리를 이용하여 실시하는 공정과,상기 구조를 소정 두께 전면식각하여 상기 마스크절연막패턴의 임계치수를 확보하는 공정을 포함하는 반도체소자의 평탄화 방법.
- 제 1 항에 있어서,상기 워드라인은 절연을 위하여 측벽에 절연막 스페이서가 구비되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 마스크절연막패턴은 800 ∼ 1200Å 두께의 질화막으로 형성되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 층간절연막은 BPSG막으로 형성되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 콘택플러그용 도전층은 1800 ∼ 2000Å 두께의 다결정실리콘층으로 형성되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 STI용 슬러리는 층간절연막과 마스크절연막패턴 간에 5 : 1의 선택비를 갖는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 STI용 슬러리는 층간절연막과 콘택플러그용 도전층 간에 2 : 1의 선택비를 갖는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 STI용 슬러리는 콘택플러그용 도전층과 마스크절연막패턴 간에 2 : 1 의 선택비를 갖는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 STI용 슬러리에 포함되어 있는 연마제(abrasive)의 농도는 0.5 ∼ 30wt%인 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 STI용 슬러리에 포함되어 있는 연마제는 100㎚ ∼ 500㎚ 크기의 아교질 또는 훈증된(fumed) 형태인 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 STI용 슬러리에 포함되어 있는 연마제는 SiO2 CeO2 또는 Al2O3 가 사용되는 것을 특징으로 하는 반도체소자의 제조방법.
- 제 1 항에 있어서,상기 전면식각공정은 상기 층간절연막, 마스크절연막패턴 및 콘택플러그 간의 식각선택비를 0 ∼ 2로 조절하여 실시되는 것을 특징으로 하는 반도체소자의 제조방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020010035782A KR100732309B1 (ko) | 2001-06-22 | 2001-06-22 | 반도체소자의 제조방법 |
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KR1020010035782A KR100732309B1 (ko) | 2001-06-22 | 2001-06-22 | 반도체소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
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KR20030000122A KR20030000122A (ko) | 2003-01-06 |
KR100732309B1 true KR100732309B1 (ko) | 2007-06-25 |
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KR1020010035782A Expired - Fee Related KR100732309B1 (ko) | 2001-06-22 | 2001-06-22 | 반도체소자의 제조방법 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR100727360B1 (ko) * | 2007-04-17 | 2007-06-13 | 한선화 | 누전검출부의 고장상태를 알려주는 전력계량기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000044630A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 반도체 소자의 폴리실리콘 플러그 형성방법 |
KR20000044923A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 반도체 소자의 층간 절연막 평탄화 방법 |
KR20000043203A (ko) * | 1998-12-28 | 2000-07-15 | 김영환 | 반도체소자의 콘택 형성방법 |
KR20010036284A (ko) * | 1999-10-07 | 2001-05-07 | 박종섭 | 반도체 장치의 콘택 형성 방법 |
KR20020046681A (ko) * | 2000-12-15 | 2002-06-21 | 박종섭 | 반도체 소자의 콘택홀 형성방법 |
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2001
- 2001-06-22 KR KR1020010035782A patent/KR100732309B1/ko not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20000043203A (ko) * | 1998-12-28 | 2000-07-15 | 김영환 | 반도체소자의 콘택 형성방법 |
KR20000044630A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 반도체 소자의 폴리실리콘 플러그 형성방법 |
KR20000044923A (ko) * | 1998-12-30 | 2000-07-15 | 김영환 | 반도체 소자의 층간 절연막 평탄화 방법 |
KR20010036284A (ko) * | 1999-10-07 | 2001-05-07 | 박종섭 | 반도체 장치의 콘택 형성 방법 |
KR20020046681A (ko) * | 2000-12-15 | 2002-06-21 | 박종섭 | 반도체 소자의 콘택홀 형성방법 |
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