KR100204418B1 - 반도체 소자 분리방법 - Google Patents
반도체 소자 분리방법 Download PDFInfo
- Publication number
- KR100204418B1 KR100204418B1 KR1019950069594A KR19950069594A KR100204418B1 KR 100204418 B1 KR100204418 B1 KR 100204418B1 KR 1019950069594 A KR1019950069594 A KR 1019950069594A KR 19950069594 A KR19950069594 A KR 19950069594A KR 100204418 B1 KR100204418 B1 KR 100204418B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- oxide film
- forming
- theos
- silicon substrate
- 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
- 238000000034 method Methods 0.000 title claims description 16
- 239000004065 semiconductor Substances 0.000 title abstract description 17
- 238000002955 isolation Methods 0.000 title abstract description 15
- 239000000758 substrate Substances 0.000 claims abstract description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 26
- 239000010703 silicon Substances 0.000 claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 238000005530 etching Methods 0.000 claims abstract description 9
- 238000005498 polishing Methods 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims abstract description 3
- 150000004767 nitrides Chemical class 0.000 abstract description 10
- 230000010354 integration Effects 0.000 abstract description 5
- 238000011109 contamination Methods 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 241000293849 Cordylanthus Species 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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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
- H01L21/76—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
-
- 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
- H01L21/04—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
-
- 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
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
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 (4)
- 영역 분리가 요구되는 실리콘 기판상의 활성 영역과 필드 영역의 경계 부분에 소정 깊이의 제1트렌치를 형성하는 단계; 상기 제1트렌치의 내부에 BSG막을 매립한 후 이와 같이된 전체 구조의 상부에 소정 두께의 제1테오스 산화막을 형성하는 단계; 상기 제1테오스 산화막을 식각하여 필드 영역이 형성될 실리콘 기판을 노출시키는 단계; 상기 제1테오스 산화막을 식각의 장벽으로 실리콘 기판을 식각하여 상기 제1트렌치와 동일한 깊이의 제2트렌치를 형성하는 단계; 상기 제2트렌치를 포함하는 전체 구조의 상부에 소정 두께의 제2테오스 산화막을 형성하는 단계; 및 상기 제2테오스 산화막과 제1테오스 산화막을 기판과 동일 평면이 되도록 연마하여 BSG막으로 둘러싸인 필드 산화막을 형성하는 단계로 구성함을 특징으로 하는 반도체 소자 분리방법.
- 제1항에 있어서, 상기 트렌치의 깊이는 0.5 ~ 1.2 ㎛ 정도인 것을 특징으로 하는 반도체 소자 분리 방법.
- 제1항에 있어서, 상기 제1테오스 산화막의 두께는 1000 ~ 2000Å 정도인 것을 특징으로 하는 반도체 소자 분리방법.
- 제1항에 있어서, 상기 제2테오스 산화막은 3000 ~ 8000Å 정도의 두께를 갖는 것을 특징으로 하는 반도체 소자 분리방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950069594A KR100204418B1 (ko) | 1995-12-30 | 1995-12-30 | 반도체 소자 분리방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950069594A KR100204418B1 (ko) | 1995-12-30 | 1995-12-30 | 반도체 소자 분리방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970053494A KR970053494A (ko) | 1997-07-31 |
KR100204418B1 true KR100204418B1 (ko) | 1999-06-15 |
Family
ID=19448517
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019950069594A Expired - Fee Related KR100204418B1 (ko) | 1995-12-30 | 1995-12-30 | 반도체 소자 분리방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100204418B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100675892B1 (ko) | 2005-05-06 | 2007-02-02 | 주식회사 하이닉스반도체 | 반도체 장치의 소자분리영역 형성 방법 및 이에 의한반도체 장치 |
-
1995
- 1995-12-30 KR KR1019950069594A patent/KR100204418B1/ko not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100675892B1 (ko) | 2005-05-06 | 2007-02-02 | 주식회사 하이닉스반도체 | 반도체 장치의 소자분리영역 형성 방법 및 이에 의한반도체 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR970053494A (ko) | 1997-07-31 |
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Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19951230 |
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