KR100454849B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
- Publication number
- KR100454849B1 KR100454849B1 KR10-2002-0081995A KR20020081995A KR100454849B1 KR 100454849 B1 KR100454849 B1 KR 100454849B1 KR 20020081995 A KR20020081995 A KR 20020081995A KR 100454849 B1 KR100454849 B1 KR 100454849B1
- Authority
- KR
- South Korea
- Prior art keywords
- trench
- etching
- oxide film
- nitride film
- film
- Prior art date
Links
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
- H01L21/02—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 at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having at least one potential-jump barrier or surface barrier, e.g. PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic System 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
- H01L21/3085—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 their behaviour during the process, e.g. soluble masks, redeposited masks
-
- 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
-
- 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
Abstract
Description
Claims (5)
- 실리콘기판 상부에 패드 산화막과 질화막을 순차 적층하고, 질화막 상부에 감광막을 도포한 후, 트렌치 형성을 위한 감광막 패턴을 형성하는 단계;상기 감광막 패턴을 마스크로 하여 질화막과 패드 산화막을 식각하는 한편, 상기 질화막을 식각정지점으로 실리콘기판을 식각하여 트렌치를 형성하는 단계;상기 실리콘기판 전체에 트렌치 갭필용 산화막을 화학기상증착법으로 증착하여 트렌치를 매립하는 단계; 및상기 트렌치에 갭필용 산화막을 매립한 후에 질화막을 버퍼층으로 한 화학 기계적 연마로 갭필용 산화막을 연마하여 상기 트렌치내에만 갭필용 산화막이 존재하도록 하는 평탄화를 실시하는 단계를 포함하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 감광막의 도포 두께는 상기 질화막의 식각과 상기 실리콘기판의 식각에 의해 동시에 제거되는 두께가 되도록 하는 반도체 소자의 제조방법.
- 제 1 항에 있어서, 상기 형성하고자 하는 트렌치의 깊이가 4000Å 내지 6000Å 일 경우 상기 실리콘기판의 식각 이전 상기 질화막 상부에 잔존하는 감광막의 두께가 1000Å 내지 3000Å이 되도록 하는 반도체 소자의 제조방법.
- 제 1 항 내지 제 3 항 중 어느 한 항에 있어서, 상기 트렌치를 형성하는 단계 이후에, 상기 감광막 패턴이 모두 식각되는 식각정지점에서 다시 질화막을 약각 과식각하는 단계를 더 포함하는 반도체 소자의 제조방법.
- 제 4 항에 있어서, 상기 과식각하는 단계와 트렌치를 매립하는 단계 사이에 열산화 공정에 의해 트렌치 내벽에 열산화막을 형성하는 단계를 더 포함하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0081995A KR100454849B1 (ko) | 2002-12-20 | 2002-12-20 | 반도체 소자의 제조방법 |
US10/741,498 US6972242B2 (en) | 2002-12-20 | 2003-12-19 | Methods to fabricate semiconductor devices |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0081995A KR100454849B1 (ko) | 2002-12-20 | 2002-12-20 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040055351A KR20040055351A (ko) | 2004-06-26 |
KR100454849B1 true KR100454849B1 (ko) | 2004-11-03 |
Family
ID=32677756
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0081995A KR100454849B1 (ko) | 2002-12-20 | 2002-12-20 | 반도체 소자의 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6972242B2 (ko) |
KR (1) | KR100454849B1 (ko) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7902078B2 (en) * | 2006-02-17 | 2011-03-08 | Tokyo Electron Limited | Processing method and plasma etching method |
US9633999B1 (en) * | 2015-11-16 | 2017-04-25 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method and structure for semiconductor mid-end-of-line (MEOL) process |
Family Cites Families (21)
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US5882489A (en) * | 1996-04-26 | 1999-03-16 | Ulvac Technologies, Inc. | Processes for cleaning and stripping photoresist from surfaces of semiconductor wafers |
US5721173A (en) * | 1997-02-25 | 1998-02-24 | Kabushiki Kaisha Toshiba | Method of forming a shallow trench isolation structure |
US5926722A (en) * | 1997-04-07 | 1999-07-20 | Taiwan Semiconductor Manufacturing Co., Ltd. | Planarization of shallow trench isolation by differential etchback and chemical mechanical polishing |
KR100280107B1 (ko) * | 1998-05-07 | 2001-03-02 | 윤종용 | 트렌치 격리 형성 방법 |
EP0959496B1 (en) * | 1998-05-22 | 2006-07-19 | Applied Materials, Inc. | Methods for forming self-planarized dielectric layer for shallow trench isolation |
US6074927A (en) * | 1998-06-01 | 2000-06-13 | Advanced Micro Devices, Inc. | Shallow trench isolation formation with trench wall spacer |
US6001704A (en) * | 1998-06-04 | 1999-12-14 | Vanguard International Semiconductor Corporation | Method of fabricating a shallow trench isolation by using oxide/oxynitride layers |
US5976951A (en) * | 1998-06-30 | 1999-11-02 | United Microelectronics Corp. | Method for preventing oxide recess formation in a shallow trench isolation |
TW373297B (en) * | 1998-07-14 | 1999-11-01 | United Microelectronics Corp | Shallow trench isolation zone producing method |
US6177333B1 (en) * | 1999-01-14 | 2001-01-23 | Micron Technology, Inc. | Method for making a trench isolation for semiconductor devices |
TW409415B (en) * | 1999-01-18 | 2000-10-21 | United Microelectronics Corp | Flash memory structure and the manufacture method thereof |
US6159801A (en) * | 1999-04-26 | 2000-12-12 | Taiwan Semiconductor Manufacturing Company | Method to increase coupling ratio of source to floating gate in split-gate flash |
US6180490B1 (en) * | 1999-05-25 | 2001-01-30 | Chartered Semiconductor Manufacturing Ltd. | Method of filling shallow trenches |
US6524931B1 (en) * | 1999-07-20 | 2003-02-25 | Motorola, Inc. | Method for forming a trench isolation structure in an integrated circuit |
JP2001102550A (ja) * | 1999-09-02 | 2001-04-13 | Samsung Electronics Co Ltd | 自己整合コンタクトを有する半導体メモリ装置及びその製造方法 |
TW426944B (en) * | 1999-10-12 | 2001-03-21 | Vanguard Int Semiconduct Corp | Method of adjusting threshold voltage of MOSFET in integrated circuit |
US6174786B1 (en) * | 1999-11-23 | 2001-01-16 | Lucent Technologies, Inc. | Shallow trench isolation method providing rounded top trench corners |
US6337262B1 (en) * | 2000-03-06 | 2002-01-08 | Chartered Semiconductor Manufacturing Ltd. | Self aligned T-top gate process integration |
KR100398955B1 (ko) * | 2001-08-02 | 2003-09-19 | 삼성전자주식회사 | 이이피롬 메모리 셀 및 형성 방법 |
US6891220B2 (en) * | 2002-04-05 | 2005-05-10 | Silicon Storage Technology, Inc. | Method of programming electrons onto a floating gate of a non-volatile memory cell |
TW556316B (en) * | 2002-09-25 | 2003-10-01 | Nanya Technology Corp | A method of fabricating a shallow trench isolation with high aspect ratio |
-
2002
- 2002-12-20 KR KR10-2002-0081995A patent/KR100454849B1/ko active IP Right Grant
-
2003
- 2003-12-19 US US10/741,498 patent/US6972242B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20040132307A1 (en) | 2004-07-08 |
US6972242B2 (en) | 2005-12-06 |
KR20040055351A (ko) | 2004-06-26 |
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