KR20050056391A - 반도체 소자의 소자 분리막 형성 방법 - Google Patents
반도체 소자의 소자 분리막 형성 방법 Download PDFInfo
- Publication number
- KR20050056391A KR20050056391A KR1020030089340A KR20030089340A KR20050056391A KR 20050056391 A KR20050056391 A KR 20050056391A KR 1020030089340 A KR1020030089340 A KR 1020030089340A KR 20030089340 A KR20030089340 A KR 20030089340A KR 20050056391 A KR20050056391 A KR 20050056391A
- Authority
- KR
- South Korea
- Prior art keywords
- film
- forming
- oxide film
- hard mask
- device isolation
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000002955 isolation Methods 0.000 title claims abstract description 27
- 239000004065 semiconductor Substances 0.000 title claims abstract description 18
- 238000010438 heat treatment Methods 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 9
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 9
- 239000000758 substrate Substances 0.000 claims description 12
- 150000004767 nitrides Chemical class 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 238000005530 etching Methods 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 2
- 239000010408 film Substances 0.000 description 58
- 239000007789 gas Substances 0.000 description 6
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000005468 ion implantation Methods 0.000 description 3
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 238000009279 wet oxidation reaction Methods 0.000 description 2
- 229910017855 NH 4 F Inorganic materials 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000011066 ex-situ storage Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 239000010409 thin film Substances 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02321—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer
- H01L21/02329—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer introduction of nitrogen
- H01L21/02332—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment introduction of substances into an already existing insulating layer introduction of nitrogen into an oxide layer, e.g. changing SiO to SiON
-
- 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
- H01L21/02296—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer
- H01L21/02318—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment
- H01L21/02337—Forming insulating materials on a substrate characterised by the treatment performed before or after the formation of the layer post-treatment treatment by exposure to a gas or vapour
-
- 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
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/76224—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials
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)
- Element Separation (AREA)
Abstract
Description
Claims (2)
- 반도체 기판상에 터널 산화막, 도전막 및 하드 마스크막을 순차적으로 형성하는 단계;패터닝 공정을 통해 상기 하드 마스크막, 상기 도전막, 상기 터널 산화막 및 상기 반도체 기판을 식각하여 트렌치를 형성하는 단계;측벽 산화공정을 실시하여 상기 트렌치 내에 측벽 산화막을 형성하는 단계;열처리 공정을 실시하여 상기 측벽 산화막 표면을 질화하는 단계; 및전체 구조상에 필드 산화막을 증착한 다음, 상기 하드 마스크막을 정지막으로 하는 평탄화 공정을 실시하고, 상기 하드 마스크막을 제거하여 소자 분리막을 형성하는 단계를 포함하는 반도체 소자의 소자 분리막 형성 방법.
- 제 1 항에 있어서,상기 열처리 공정은 700 내지 1300℃의 온도와 NO, N2O 및 NH3 가스중 적어도 어느 하나의 가스분위기 하에서, 퍼니스 또는 RTP 방법으로 실시하는 반도체 소자의 소자 분리막 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030089340A KR20050056391A (ko) | 2003-12-10 | 2003-12-10 | 반도체 소자의 소자 분리막 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030089340A KR20050056391A (ko) | 2003-12-10 | 2003-12-10 | 반도체 소자의 소자 분리막 형성 방법 |
Publications (1)
Publication Number | Publication Date |
---|---|
KR20050056391A true KR20050056391A (ko) | 2005-06-16 |
Family
ID=37250999
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030089340A KR20050056391A (ko) | 2003-12-10 | 2003-12-10 | 반도체 소자의 소자 분리막 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR20050056391A (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10870911B2 (en) | 2016-06-01 | 2020-12-22 | Applied Materials, Inc. | High pressure ammonia nitridation of tunnel oxide for 3DNAND applications |
-
2003
- 2003-12-10 KR KR1020030089340A patent/KR20050056391A/ko not_active Application Discontinuation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10870911B2 (en) | 2016-06-01 | 2020-12-22 | Applied Materials, Inc. | High pressure ammonia nitridation of tunnel oxide for 3DNAND applications |
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