KR100313604B1 - 반도체장치의 절연층 평탄화 방법 - Google Patents
반도체장치의 절연층 평탄화 방법 Download PDFInfo
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- KR100313604B1 KR100313604B1 KR1019990041338A KR19990041338A KR100313604B1 KR 100313604 B1 KR100313604 B1 KR 100313604B1 KR 1019990041338 A KR1019990041338 A KR 1019990041338A KR 19990041338 A KR19990041338 A KR 19990041338A KR 100313604 B1 KR100313604 B1 KR 100313604B1
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- Prior art keywords
- insulating layer
- wiring
- forming
- predetermined portion
- film
- 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
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 239000004065 semiconductor Substances 0.000 title abstract description 24
- 239000000758 substrate Substances 0.000 claims abstract description 27
- 238000000206 photolithography Methods 0.000 claims abstract description 20
- 238000000059 patterning Methods 0.000 claims abstract description 16
- 229920002120 photoresistant polymer Polymers 0.000 claims description 20
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 13
- 238000012876 topography Methods 0.000 claims description 7
- 238000005530 etching Methods 0.000 claims description 4
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 abstract description 113
- 239000011229 interlayer Substances 0.000 abstract description 35
- 238000009413 insulation Methods 0.000 abstract description 7
- 239000000126 substance Substances 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 229920005591 polysilicon Polymers 0.000 description 11
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 239000003990 capacitor Substances 0.000 description 6
- 238000000151 deposition Methods 0.000 description 6
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 239000005380 borophosphosilicate glass Substances 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 238000001312 dry etching Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000004380 ashing Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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
- H01L21/70—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
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02282—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process liquid deposition, e.g. spin-coating, sol-gel techniques, spray coating
-
- 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
- H01L21/31055—Planarisation of the insulating layers involving a dielectric removal step the removal being a chemical etching step, e.g. dry etching
- H01L21/31056—Planarisation of the insulating layers involving a dielectric removal step the removal being a chemical etching step, e.g. dry etching the removal being a selective chemical etching step, e.g. selective dry etching through a mask
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
- H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
- H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
-
- 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
- H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
- H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
- H01L21/02214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen
- H01L21/02216—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si the compound comprising silicon and oxygen the compound being a molecule comprising at least one silicon-oxygen bond and the compound having hydrogen or an organic group attached to the silicon or oxygen, e.g. a siloxane
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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (5)
- 소정의 소자가 형성된 기판상에 제 1 절연층을 형성하는 단계와,상기 제 1 절연층의 소정 부위를 제 거하여 상기 기판의 소정 부위를 노출시키는 제 1 홀을 형성하는 단계와,상기 제 1 홀을 매립하며 상기 제 1 절연층의 소정 부위를 덮는 제 1 배선을 형성하는 단계와,상기 제 1 배선을 포함하는 상기 제 1 절연층의 상부에 제 2 절연층을 형성하는 단계와,상기 제 2 절연층의 소정 부위를 제거하여 상기 제 1 배선의 소정 부위를 노출시키는 제 2 홀을 형성하는 단계와,상기 제 2 홀을 매립하며 상기 제 2 절연층의 소정 부위를 덮는 도전층을 형성한 다음 포토리쏘그래피로 상기 도전층을 패터닝하여 제 2 배선을 형성하는 단계와,상기 제 2 배선을 포함하는 상기 제 2 절연층 상에 제 3 절연층을 형성하는 단계와,상기 제 3 절연층을 평탄화하는 단계와,상기 제 3 절연층의 소정 부위를 제거하여 상기 제 2 배선의 소정 부위를 노출시키는 제 3 홀을 형성하는 단계와,상기 제 3 홀을 매립하며 상기 제 3 절연층의 소정 부위를 덮는 제 3 배선을 형성하는 단계로 이루어진 반도체장치의 절연층 평탄화방법.
- 청구항 1에 있어서, 상기 제 3 절연층을 형성하는 단계는,상기 제 2 절연층상에 p-SiO막을 형성하는 단계와,상기 p-SiO막상에 제 1 TEOS막을 형성하는 단계와,상기 제 1 TEOS막상에 SOG막을 도포하는 단계와,상기 SOG막을 에치백하여 일차 평탄화를 이루는 단계와,상기 일차 평탄화된 상기 SOG막상에 제 2 TEOS막을 형성하는 단계를 더 포함하여 이루어진 것이 특징인 반도체장치의 절연층 평탄화방법.
- 청구항 1에 있어서, 상기 제 3 절연층을 형성하는 단계와 상기 제 3 절연층을 평탄화하는 단계는,상기 제 2 절연층상에 p-SiO막을 형성하는 단계와,상기 p-SiO막상에 제 1 TEOS막을 형성하는 단계와,상기 제 1 TEOS막상에 SOG막을 도포하는 단계와,상기 SOG막을 에치백하여 일차 평탄화를 이루는 단계와,상기 일차 평탄화된 상기 SOG막상에 제 2 TEOS막을 형성하는 단계와,상기 제 2 TEOS막상에 감광막을 형성하는 단계와,상기 감광막에 상기 제 2 배선 형성용 상기 포토리쏘그래피의 노광 마스크의 리버스 톤을 갖는 마스크를 이용하여 노광하는 단계와,노광된 상기 감광막을 현상하여 포토레지스트패턴을 형성하는 단계와,상기 포토레지스트패턴으로 보호되지 않는 부위의 상기 제 2 TEOS막을 소정 두께로 제거하는 단계와, 상기 포토레지스트패턴을 제거하는 단계를 더 포함하여 이루어진 것이 특징인 반도체장치의 절연층 평탄화방법.
- 청구항 1에 있어서, 상기 제 3 절연층을 평탄화하는 단계는,상기 제 3 절연층상에 감광막을 형성하는 단계와,상기 감광막에 상기 제 2 배선 형성용 상기 포토리쏘그래피의 노광 마스크의 리버스 톤을 갖는 마스크를 이용하여 노광하는 단계와,노광된 상기 감광막을 현상하여 포토레지스트패턴을 형성하는 단계와,상기 포토레지스트패턴으로 보호되지 않는 부위의 상기 제 3 절연층을 소정 두께로 제거하는 단계를 더 포함하여 이루어진 것이 특징인 반도체장치의 절연층 평탄화방법.
- 청구항 1에 있어서, 상기 제 2 배선의 토포그래피가 상기 제 2 배선 주변부위의 상기 제 2 절연층의 토포그래피 보다 높아 단차가 큰 것이 특징인 반도체장치의 절연층 평탄화방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990041338A KR100313604B1 (ko) | 1999-09-27 | 1999-09-27 | 반도체장치의 절연층 평탄화 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019990041338A KR100313604B1 (ko) | 1999-09-27 | 1999-09-27 | 반도체장치의 절연층 평탄화 방법 |
Publications (2)
Publication Number | Publication Date |
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KR20010028852A KR20010028852A (ko) | 2001-04-06 |
KR100313604B1 true KR100313604B1 (ko) | 2001-11-26 |
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Application Number | Title | Priority Date | Filing Date |
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KR1019990041338A Expired - Fee Related KR100313604B1 (ko) | 1999-09-27 | 1999-09-27 | 반도체장치의 절연층 평탄화 방법 |
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KR (1) | KR100313604B1 (ko) |
Families Citing this family (1)
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US8376464B2 (en) | 2004-08-13 | 2013-02-19 | Km & I Co., Ltd. | Vehicle recliner |
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1999
- 1999-09-27 KR KR1019990041338A patent/KR100313604B1/ko not_active Expired - Fee Related
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KR20010028852A (ko) | 2001-04-06 |
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