KR100469763B1 - 반도체 소자의 소자 분리막 형성 방법 - Google Patents
반도체 소자의 소자 분리막 형성 방법 Download PDFInfo
- Publication number
- KR100469763B1 KR100469763B1 KR10-2003-0006574A KR20030006574A KR100469763B1 KR 100469763 B1 KR100469763 B1 KR 100469763B1 KR 20030006574 A KR20030006574 A KR 20030006574A KR 100469763 B1 KR100469763 B1 KR 100469763B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- forming
- sidewall spacer
- hard mask
- silicon substrate
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 58
- 238000002955 isolation Methods 0.000 title claims abstract description 29
- 239000004065 semiconductor Substances 0.000 title claims abstract description 24
- 125000006850 spacer group Chemical group 0.000 claims abstract description 32
- 238000005530 etching Methods 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 29
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 24
- 239000010703 silicon Substances 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 6
- 150000004767 nitrides Chemical class 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 238000000151 deposition Methods 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims description 2
- 238000000206 photolithography Methods 0.000 claims 1
- 230000002159 abnormal effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 10
- 238000001312 dry etching Methods 0.000 description 6
- 230000000903 blocking effect Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000137 annealing Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000007517 polishing process Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance 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
- H01L21/70—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
- H01L21/76232—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using trench refilling with dielectric materials of trenches having a shape other than rectangular or V-shape, e.g. rounded corners, oblique or rounded trench walls
-
- 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
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3086—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
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)
- Plasma & Fusion (AREA)
- Element Separation (AREA)
Abstract
Description
Claims (5)
- 소정의 하부 구조가 형성된 반도체 기판에 하드 마스크를 증착한 후 사진 및 식각 공정으로 하드 마스크를 패터닝하는 단계와;상기 패터닝된 하드 마스크 측벽에 라운딩 형상의 제 1 사이드월 스페이서를 형성하는 단계와;상기 제 1 사이드월 스페이서의 라운딩이 실리콘 기판에 그대로 반영되도록 제 1 깊이로 제 1 트렌치를 형성하는 단계와;상기 하드 마스크와 상기 제 1 트렌치의 측벽에 제 2 사이드월 스페이서를 형성하는 단계와;상기 하드 마스크와 제 2 사이드월 스페이서를 마스크로 이용한 식각 공정을 실시하여 실리콘 기판에 제 2 깊이를 갖는 제 2 트렌치를 형성하는 단계를포함하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 1항에 있어서,상기 제 1 트렌치 형성 공정은 실리콘 기판: 제 1 사이드월 스페이서: 하드마스크 = 1: 2: 0의 식각 비율로 식각 되도록 실시하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 1항에 있어서,상기 제 2 트렌치를 형성하기 위한 식각 공정은 블랭킷 식각 공정으로 실시하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 1항에 있어서,상기 제 2 사이드월 스페이서는 하드 마스크와 동일 물질로 형성하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
- 제 4항에 있어서,상기 제 2 사이드월 스페이서와 하드 마스크는 질화막으로 형성하는 것을 특징으로 하는 반도체 소자의 소자 분리막 형성 방법.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0006574A KR100469763B1 (ko) | 2003-02-03 | 2003-02-03 | 반도체 소자의 소자 분리막 형성 방법 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0006574A KR100469763B1 (ko) | 2003-02-03 | 2003-02-03 | 반도체 소자의 소자 분리막 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040070496A KR20040070496A (ko) | 2004-08-11 |
KR100469763B1 true KR100469763B1 (ko) | 2005-02-02 |
Family
ID=37358746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0006574A KR100469763B1 (ko) | 2003-02-03 | 2003-02-03 | 반도체 소자의 소자 분리막 형성 방법 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR100469763B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100833423B1 (ko) | 2006-04-06 | 2008-05-29 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
KR20140108026A (ko) | 2013-02-28 | 2014-09-05 | 삼성디스플레이 주식회사 | 박막 반도체 장치, 유기 발광 표시 장치, 및 이의 제조 방법 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0353521A (ja) * | 1989-07-21 | 1991-03-07 | Nec Corp | 半導体装置の製造方法 |
JPH10214887A (ja) * | 1997-01-28 | 1998-08-11 | Nec Corp | 半導体装置の製造方法 |
JPH11111837A (ja) * | 1997-10-03 | 1999-04-23 | Toyota Central Res & Dev Lab Inc | 半導体装置の製造方法 |
KR100198620B1 (ko) * | 1995-12-27 | 1999-06-15 | 구본준 | 트렌치를 이용한 소자 격리막 형성방법 |
US6207532B1 (en) * | 1999-09-30 | 2001-03-27 | Taiwan Semiconductor Manufacturing Company | STI process for improving isolation for deep sub-micron application |
KR20010087650A (ko) * | 2000-03-08 | 2001-09-21 | 박종섭 | 미세 트렌치 형성방법 |
KR20030015121A (ko) * | 2001-08-13 | 2003-02-20 | 미쓰비시덴키 가부시키가이샤 | 트렌치 분리 구조를 갖는 반도체 장치의 제조 방법 및반도체 장치 |
KR20040056856A (ko) * | 2002-12-24 | 2004-07-01 | 아남반도체 주식회사 | 반도체 소자의 트렌치 형성 방법 |
-
2003
- 2003-02-03 KR KR10-2003-0006574A patent/KR100469763B1/ko active IP Right Grant
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0353521A (ja) * | 1989-07-21 | 1991-03-07 | Nec Corp | 半導体装置の製造方法 |
KR100198620B1 (ko) * | 1995-12-27 | 1999-06-15 | 구본준 | 트렌치를 이용한 소자 격리막 형성방법 |
JPH10214887A (ja) * | 1997-01-28 | 1998-08-11 | Nec Corp | 半導体装置の製造方法 |
JPH11111837A (ja) * | 1997-10-03 | 1999-04-23 | Toyota Central Res & Dev Lab Inc | 半導体装置の製造方法 |
US6207532B1 (en) * | 1999-09-30 | 2001-03-27 | Taiwan Semiconductor Manufacturing Company | STI process for improving isolation for deep sub-micron application |
KR20010087650A (ko) * | 2000-03-08 | 2001-09-21 | 박종섭 | 미세 트렌치 형성방법 |
KR20030015121A (ko) * | 2001-08-13 | 2003-02-20 | 미쓰비시덴키 가부시키가이샤 | 트렌치 분리 구조를 갖는 반도체 장치의 제조 방법 및반도체 장치 |
KR20040056856A (ko) * | 2002-12-24 | 2004-07-01 | 아남반도체 주식회사 | 반도체 소자의 트렌치 형성 방법 |
Also Published As
Publication number | Publication date |
---|---|
KR20040070496A (ko) | 2004-08-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2008227360A (ja) | 半導体装置の製造方法 | |
KR100307651B1 (ko) | 반도체장치의제조방법 | |
KR100701998B1 (ko) | 소자분리막 형성방법 및 이를 이용한 반도체장치의 제조방법 | |
US6191000B1 (en) | Shallow trench isolation method used in a semiconductor wafer | |
KR100469763B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
US6921705B2 (en) | Method for forming isolation layer of semiconductor device | |
US8269307B2 (en) | Shallow trench isolation structure and method for forming the same | |
KR100967201B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR100728649B1 (ko) | 반도체소자의 소자분리막 제조방법 | |
KR100912988B1 (ko) | 반도체 소자의 제조 방법 | |
KR101004805B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR101006510B1 (ko) | 반도체소자의 소자분리막 형성방법 | |
KR101004810B1 (ko) | 반도체 소자의 소자분리막 형성 방법 | |
KR100944667B1 (ko) | Sti 에지 모트 방지 방법 | |
KR101026374B1 (ko) | 반도체 소자의 소자분리막 및 그 형성 방법 | |
KR100538073B1 (ko) | 반도체 장치의 소자 분리막 형성방법 | |
KR100475718B1 (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR20040036758A (ko) | 반도체 소자의 소자분리막 형성방법 | |
KR20040056204A (ko) | 폴리 실리콘 산화막을 이용한 에지 모트 방지방법 | |
KR20040059392A (ko) | 반도체장치의 소자분리막 형성방법 | |
KR20060008596A (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR20040021371A (ko) | 반도체 소자의 셀로우 트렌치 분리막 형성 방법 | |
KR20040050632A (ko) | 반도체 소자의 소자 분리막 형성 방법 | |
KR20030097343A (ko) | 반도체 소자의 소자분리막 형성방법 | |
KR20020066262A (ko) | 반도체 소자의 평탄화 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
N231 | Notification of change of applicant | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20121210 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20131217 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20141222 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20151217 Year of fee payment: 12 |
|
FPAY | Annual fee payment |
Payment date: 20161220 Year of fee payment: 13 |
|
FPAY | Annual fee payment |
Payment date: 20171218 Year of fee payment: 14 |
|
FPAY | Annual fee payment |
Payment date: 20181218 Year of fee payment: 15 |
|
FPAY | Annual fee payment |
Payment date: 20191217 Year of fee payment: 16 |