KR100674982B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
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- KR100674982B1 KR100674982B1 KR1020050060796A KR20050060796A KR100674982B1 KR 100674982 B1 KR100674982 B1 KR 100674982B1 KR 1020050060796 A KR1020050060796 A KR 1020050060796A KR 20050060796 A KR20050060796 A KR 20050060796A KR 100674982 B1 KR100674982 B1 KR 100674982B1
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers 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
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- H—ELECTRICITY
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- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0338—Process specially adapted to improve the resolution of the mask
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- 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
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- 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
- H01L21/3086—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
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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
- H01L21/3088—Process specially adapted to improve the resolution of the mask
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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
- H01L21/31—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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
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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
- H01L21/768—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
- H01L21/76802—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 by forming openings in dielectrics
- H01L21/76816—Aspects relating to the layout of the pattern or to the size of vias or trenches
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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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76897—Formation of self-aligned vias or contact plugs, i.e. involving a lithographically uncritical step
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S438/00—Semiconductor device manufacturing: process
- Y10S438/942—Masking
- Y10S438/947—Subphotolithographic processing
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- Insulated Gate Type Field-Effect Transistor (AREA)
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Abstract
Description
Claims (13)
- 반도체 기재 상에 하드마스크 패턴들을 소정 간격으로 형성하는 단계;상기 하드마스크 패턴들의 각 측면과 상면을 둘러싸는 물질층을 형성하는 단계; 및상기 물질층으로 인해 간격이 감소된 상기 하드마스크 패턴들을 식각마스크로 하여 상기 반도체 기재를 식각하는 단계를 포함하고상기 하드마스크 패턴들은 실리콘 또는 실리콘저매늄(SiGe) 중에서 선택된 어느 하나이고 상기 물질층은 실리콘층 또는 실리콘저매늄층인 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제1항에 있어서, 상기 실리콘 또는 실리콘저매늄은 단결정, 다결정 또는 비정질 중 어느 하나인 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제1항에 있어서, 상기 실리콘층 또는 실리콘저매늄층은 선택적 에피택셜 성장(Selective Epitaxial Growth : SEG)으로 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서,상기 반도체 기재는 반도체 기판 및 상기 반도체 기판 상에 형성된 버퍼 산화막을 포함하고,상기 반도체 기재를 식각하는 단계에서는 상기 반도체 기판 안에 트렌치를 형성하며,상기 트렌치 안에 매립 게이트를 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서,상기 반도체 기재는 반도체 기판 상에 형성된 인접하는 두 개의 게이트 전극 사이를 채우면서 상기 반도체 기판 상에 형성된 층간절연막을 포함하고,상기 반도체 기재를 식각하는 단계에서는 상기 층간절연막 안에 상기 인접하는 두 개의 게이트 전극 사이에 자기정렬 콘택홀을 형성하며,상기 자기정렬 콘택홀 안에 콘택플러그를 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서,상기 하드마스크 패턴들은 라인 앤드 스페이스(line and space) 타입으로 형 성하고,상기 반도체 기재는 반도체 기판 상의 피식각층 및 상기 피식각층 상에 형성된 실리콘 질화막을 포함하며,상기 반도체 기재를 식각하는 단계에서는 상기 실리콘 질화막을 먼저 식각한 다음, 상기 하드마스크 패턴들과 상기 식각된 실리콘 질화막을 식각마스크로 하여 상기 피식각층을 식각하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 하드마스크 패턴들의 측면과 상면에서의 상기 물질층의 두께가 균일하도록 상기 물질층을 형성하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 반도체 기재 상에 실리콘을 포함하는 하드마스크 패턴들을 소정 간격으로 형성하는 단계;상기 하드마스크 패턴들의 측면과 상면을 둘러싸는 물질층을 선택적 에피택셜 성장(Selective Epitaxial Growth : SEG)으로 형성하는 단계; 및상기 물질층으로 인해 간격이 감소된 상기 하드마스크 패턴들을 식각마스크로 하여 상기 반도체 기재를 식각하는 단계를 포함하는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제10항에 있어서, 상기 하드마스크 패턴들은 실리콘 또는 실리콘저매늄 중에 서 선택된 어느 하나인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제11항에 있어서, 상기 실리콘 또는 실리콘저매늄은 단결정, 다결정 또는 비정질 중 어느 하나인 것을 특징으로 하는 반도체 소자의 제조방법.
- 제11항에 있어서, 상기 물질층은 실리콘층 또는 실리콘저매늄층인 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020050060796A KR100674982B1 (ko) | 2005-07-06 | 2005-07-06 | 반도체 소자의 제조방법 |
US11/480,545 US7709389B2 (en) | 2005-07-06 | 2006-07-05 | Method of fabricating a semiconductor device |
Applications Claiming Priority (1)
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KR1020050060796A KR100674982B1 (ko) | 2005-07-06 | 2005-07-06 | 반도체 소자의 제조방법 |
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KR20070005787A KR20070005787A (ko) | 2007-01-10 |
KR100674982B1 true KR100674982B1 (ko) | 2007-01-29 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100788587B1 (ko) * | 2006-07-05 | 2007-12-26 | 주식회사 하이닉스반도체 | 플래쉬 메모리 소자의 제조방법 |
US20080122107A1 (en) * | 2006-09-22 | 2008-05-29 | Taiwan Semiconductor Manufacturing Co., Ltd. | Poly silicon hard mask |
US7799640B2 (en) * | 2006-09-28 | 2010-09-21 | Semiconductor Components Industries, Llc | Method of forming a semiconductor device having trench charge compensation regions |
KR100886004B1 (ko) | 2007-07-02 | 2009-03-03 | 삼성전자주식회사 | 반도체 소자 제조 방법 |
KR100952252B1 (ko) * | 2007-08-30 | 2010-04-09 | 주식회사 동부하이텍 | 반도체 소자의 제조 방법 |
KR101460697B1 (ko) | 2008-11-28 | 2014-11-13 | 삼성전자 주식회사 | 반도체 집적 회로 장치의 제조 방법 |
KR20110082387A (ko) * | 2010-01-11 | 2011-07-19 | 삼성전자주식회사 | 반도체 소자의 형성방법 및 이에 의해 형성된 반도체 소자 |
US8691697B2 (en) | 2010-11-11 | 2014-04-08 | International Business Machines Corporation | Self-aligned devices and methods of manufacture |
US9070639B2 (en) * | 2011-03-23 | 2015-06-30 | Globalfoundries Inc. | Shrinkage of critical dimensions in a semiconductor device by selective growth of a mask material |
US8592302B2 (en) * | 2011-11-30 | 2013-11-26 | GlobalFoundries, Inc. | Patterning method for fabrication of a semiconductor device |
US10121660B2 (en) * | 2016-08-18 | 2018-11-06 | Samsung Electronics Co., Ltd. | Method for fabricating semiconductor device |
US10566207B2 (en) * | 2017-12-27 | 2020-02-18 | Samsung Electronics Co., Ltd. | Semiconductor manufacturing methods for patterning line patterns to have reduced length variation |
US11094784B2 (en) * | 2019-04-08 | 2021-08-17 | International Business Machines Corporation | Gate-all-around field effect transistor having stacked U shaped channels configured to improve the effective width of the transistor |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4707218A (en) * | 1986-10-28 | 1987-11-17 | International Business Machines Corporation | Lithographic image size reduction |
GB2198393B (en) * | 1986-12-13 | 1990-06-06 | Spectrol Reliance Ltd | Method of producing filaments |
JPH0661191A (ja) | 1992-08-04 | 1994-03-04 | Hitachi Ltd | 半導体装置の製造方法 |
KR970007173B1 (ko) * | 1994-07-14 | 1997-05-03 | 현대전자산업 주식회사 | 미세패턴 형성방법 |
US5698112A (en) * | 1994-11-24 | 1997-12-16 | Siemens Aktiengesellschaft | Corrosion protection for micromechanical metal layers |
EP1073112A1 (en) * | 1999-07-26 | 2001-01-31 | STMicroelectronics S.r.l. | Process for the manufacturing of a SOI wafer by oxidation of buried cavities |
KR100318272B1 (ko) | 1999-12-22 | 2001-12-24 | 박종섭 | 반도체 소자의 미세 패턴 형성방법 |
JP4200626B2 (ja) * | 2000-02-28 | 2008-12-24 | 株式会社デンソー | 絶縁ゲート型パワー素子の製造方法 |
JP4850332B2 (ja) * | 2000-10-18 | 2012-01-11 | 東京エレクトロン株式会社 | デュアルダマシン構造のエッチング方法 |
JP2002280392A (ja) | 2001-03-15 | 2002-09-27 | Sony Corp | 化合物半導体の製造方法および化合物半導体 |
KR100402392B1 (ko) * | 2001-11-06 | 2003-10-17 | 삼성전자주식회사 | 트렌치 소자분리 구조를 갖는 반도체 소자 및 그 제조방법 |
KR20040036478A (ko) | 2002-10-26 | 2004-04-30 | 엘지전자 주식회사 | 피씨와 주변기기 사이의 연결장치 |
KR20050031677A (ko) | 2003-09-30 | 2005-04-06 | 삼성전자주식회사 | 실리콘 저매늄 하드 마스크를 이용한 반도체 소자의 미세패턴 형성방법과 이를 이용한 반도체 소자의 제조방법 |
JP2005175090A (ja) * | 2003-12-09 | 2005-06-30 | Toshiba Corp | 半導体メモリ装置及びその製造方法 |
KR20050068363A (ko) | 2003-12-30 | 2005-07-05 | 주식회사 하이닉스반도체 | 하드 마스크를 이용한 미세 패턴 형성 방법 |
DE102004027691B4 (de) * | 2004-06-07 | 2008-04-30 | Infineon Technologies Ag | Verfahren zum Herstellen eines Steges aus einem Halbleitermaterial |
FR2883560A1 (fr) * | 2005-03-24 | 2006-09-29 | St Microelectronics Sa | Microsysteme electromecanique comprenant une poutre se deformant par flexion |
US8384138B2 (en) * | 2006-06-14 | 2013-02-26 | Texas Instruments Incorporated | Defect prevention on SRAM cells that incorporate selective epitaxial regions |
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US20070009840A1 (en) | 2007-01-11 |
KR20070005787A (ko) | 2007-01-10 |
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