KR100312647B1 - 반도체 소자의 평탄화방법 - Google Patents
반도체 소자의 평탄화방법 Download PDFInfo
- Publication number
- KR100312647B1 KR100312647B1 KR1019980025769A KR19980025769A KR100312647B1 KR 100312647 B1 KR100312647 B1 KR 100312647B1 KR 1019980025769 A KR1019980025769 A KR 1019980025769A KR 19980025769 A KR19980025769 A KR 19980025769A KR 100312647 B1 KR100312647 B1 KR 100312647B1
- Authority
- KR
- South Korea
- Prior art keywords
- insulating film
- interlayer insulating
- chemical mechanical
- mechanical polishing
- film
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 title claims abstract description 18
- 239000011229 interlayer Substances 0.000 claims abstract description 31
- 239000000126 substance Substances 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims abstract description 10
- 238000007517 polishing process Methods 0.000 claims abstract description 9
- 238000000151 deposition Methods 0.000 claims abstract description 7
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 13
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 13
- 239000002002 slurry Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 3
- 239000010410 layer Substances 0.000 claims 1
- 238000005498 polishing Methods 0.000 abstract description 5
- 239000000463 material Substances 0.000 description 6
- 238000007796 conventional method Methods 0.000 description 1
- 229910052593 corundum Inorganic materials 0.000 description 1
- 239000010431 corundum Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- -1 for example Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000001459 lithography 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
- H01L21/02—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
-
- 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
- H01L21/02109—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
- H01L21/02164—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 being a silicon oxide, e.g. SiO2
-
- 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
- H01L21/0217—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 being a silicon nitride not containing oxygen, e.g. SixNy or SixByNz
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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (3)
- 패턴이 형성되어, 상대적으로 높은 단차부와 낮은 단차부를 갖는 반도체기판상부에 상기 패턴이 충분히 매립될 정도로 층간 절연막을 증착하는 단계;상기 층간 절연막 상부에 상기 층간 절연막과 성분이 다른 절연막을 증착하는 단계;상기 상대적으로 높은 단차부상의 절연막을 상기 층간절연막과 절연막이 같은 속도로 제거되는 슬러리를 이용하여 제 1 화학적 기계적 연마공정으로 제거하는 단계;상기 남아 있는 절연막의 표면이 노출될 때까지 상기 층간절연막이 절연보다 빨리 제거되는 슬러리를 이용하여 상기 높은 단차부상의 층간 절연막을 제 2 화학적 기계적 연마 공정으로 제거하는 단계; 및상기 남아 있는 절연막과 층간 절연막을 상기 남아 있는 절연막이 모두 제거되도록 상기 층간절연막과 절연막이 같은 속도로 제거되는 슬러리를 이용하여 제 3 화학적 기계적 연마 공정으로 제거하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 평탄화 방법.
- 제 1 항에 있어서, 상기 층간 절연막은 실리콘 산화막이고, 상기 절연막은 실리콘 질화막인 것을 특징으로 하는 반도체 소자의 평탄화 방법.
- 제 2 항에 있어서, 상기 실리콘 질화막의 두께는 500 내지 1500Å인 것을 특징으로 하는 반도체 소자의 평탄화 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980025769A KR100312647B1 (ko) | 1998-06-30 | 1998-06-30 | 반도체 소자의 평탄화방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019980025769A KR100312647B1 (ko) | 1998-06-30 | 1998-06-30 | 반도체 소자의 평탄화방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20000004337A KR20000004337A (ko) | 2000-01-25 |
KR100312647B1 true KR100312647B1 (ko) | 2002-08-14 |
Family
ID=19542157
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019980025769A KR100312647B1 (ko) | 1998-06-30 | 1998-06-30 | 반도체 소자의 평탄화방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100312647B1 (ko) |
-
1998
- 1998-06-30 KR KR1019980025769A patent/KR100312647B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
KR20000004337A (ko) | 2000-01-25 |
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