KR20060128621A - 반도체 장치 및 그 제조 방법 - Google Patents
반도체 장치 및 그 제조 방법 Download PDFInfo
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- KR20060128621A KR20060128621A KR1020060022008A KR20060022008A KR20060128621A KR 20060128621 A KR20060128621 A KR 20060128621A KR 1020060022008 A KR1020060022008 A KR 1020060022008A KR 20060022008 A KR20060022008 A KR 20060022008A KR 20060128621 A KR20060128621 A KR 20060128621A
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- nitride film
- oxide film
- thermal oxide
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 55
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims description 25
- 150000004767 nitrides Chemical class 0.000 claims abstract description 115
- 239000000758 substrate Substances 0.000 claims abstract description 32
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 15
- 239000010703 silicon Substances 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims description 38
- 230000003647 oxidation Effects 0.000 claims description 17
- 238000007254 oxidation reaction Methods 0.000 claims description 17
- 230000001590 oxidative effect Effects 0.000 claims description 5
- 238000005192 partition Methods 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 230000000717 retained effect Effects 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 14
- 230000015556 catabolic process Effects 0.000 abstract description 7
- 238000006731 degradation reaction Methods 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 28
- 238000010586 diagram Methods 0.000 description 14
- 238000005530 etching Methods 0.000 description 11
- 238000001020 plasma etching Methods 0.000 description 10
- 238000002347 injection Methods 0.000 description 9
- 239000007924 injection Substances 0.000 description 9
- 239000007789 gas Substances 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000009279 wet oxidation reaction Methods 0.000 description 4
- 108090000699 N-Type Calcium Channels Proteins 0.000 description 3
- 102000004129 N-Type Calcium Channels Human genes 0.000 description 3
- 108010075750 P-Type Calcium Channels Proteins 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 3
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000003963 antioxidant agent Substances 0.000 description 2
- 230000003078 antioxidant effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 230000001629 suppression Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- XEMZLVDIUVCKGL-UHFFFAOYSA-N hydrogen peroxide;sulfuric acid Chemical compound OO.OS(O)(=O)=O XEMZLVDIUVCKGL-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
-
- 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
- H01L21/76235—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 trench shape altered by a local oxidation of silicon process step, e.g. trench corner rounding by LOCOS
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/04—Water-basin installations specially adapted to wash-basins or baths
-
- 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
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
- H01L21/8232—Field-effect technology
- H01L21/8234—MIS technology, i.e. integration processes of field effect transistors of the conductor-insulator-semiconductor type
- H01L21/8238—Complementary field-effect transistors, e.g. CMOS
- H01L21/823878—Complementary field-effect transistors, e.g. CMOS isolation region manufacturing related aspects, e.g. to avoid interaction of isolation region with adjacent structure
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C2001/026—Plumbing installations for fresh water with flow restricting devices
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Element Separation (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (10)
- 반도체 기판 위의 소정의 장소에 위치하는 소자 영역과,상기 소자 역영을 구획하는 매립형의 소자 분리 영역을 구비하고,상기 소자 분리 영역은 트렌치(trench)의 측벽 상부에 위치하는 질화막 라이너(liner)와,상기 트렌치의 측벽 하부에 위치하는 열산화막을 포함하고,상기 열산화막이 위치하는 부분에서의 소자 분리 영역의 최대폭이 상기 질화막 라이너의 하단부에서의 라이너간의 폭보다도 넓게 설정되어 있는 것을 특징으로 하는 반도체 장치.
- 반도체 기판 위의 소정의 장소에 위치하는 소자 영역과,상기 소자 분리 영역을 끼고 인접하는 소자 영역에 각각 형성되는 p형 MOSFET과 n형 MOSFET을 구비하고,상기 소자 분리 영역은,채널 방향의 단면에서 보았을 때에, 상기 n형 MOSFET과 접하는 측의 트렌치 측벽의 상부에 설치되는 질화막 라이너와,상기 트렌치의 측벽 하부에 위치하는 열산화막을 갖고,상기 채널 방향의 단면에서 보았을 때에, 상기 p형 MOSFET과 접하는 측의 트렌치 측벽의 상부에는 상기 질화막 라이너가 존재하지 않는 것을 특징으로 하는 반 도체 장치.
- 제 2 항에 있어서,상기 트렌치 하부의 열산화막은 상기 채널 방향의 단면에서 보았을 때에, 상기 p형 M0SFET과 접하는 측에서는 트렌치 측벽의 상단까지 위치하는 것을 특징으로 하는 반도체 장치.
- 제 2 항에 있어서,채널 방향과 직교하는 방향의 단면에서 보았을 때에, 상기 소자 분리 영역의 p형 MOSFET과 접하는 측의 측벽에는 상기 질화막 라이너가 존재하지 않는 것을 특징으로 하는 반도체 장치.
- 제 2 항 또는 제 4 항에 있어서,채널 방향과 직교하는 방향의 단면에서 보았을 때에, 상기 소자 분리 영역의 p형 MOSFET과 접하는 측의 측벽의 전체에 상기 열산화막이 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 제 2 항에 있어서,채널 방향과 직교하는 방향의 단면에서 보았을 때에, 상기 소자 분리 영역의 p형 MOSFET과 접하는 측의 측벽 상부에 상기 질화막 라이너가 설치되고,상기 p형 MOSFET과 접하는 측의 소자 분리 영역의 측벽 하부에는, 상기 열산화막이 형성되어 있는 것을 특징으로 하는 반도체 장치.
- 반도체 기판의 소정의 장소에 소정 깊이의 제 1 트렌치를 형성하고,상기 제 1 트렌치 측벽의 전면을 덮는 질화막을 형성하고,상기 제 1 트렌치 상부의 질화막을 유지하면서, 상기 제 1 트렌치의 저부(底部) 및 그 근방의 질화막을 제거해서 기판 실리콘을 노출시키고,상기 노출시킨 부분을 열산화하여, 상기 제 1 트렌치의 하부에 상기 질화막의 하단부보다도 기판측으로 넓어지는 열산화막을 형성하는 공정을 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 7 항에 있어서,상기 질화막의 제거 후에, 상기 트렌치 저부로부터, 제 2 트렌치를 파는 공정을 더 포함하고,상기 제 2 트렌치를 열산화함으로써, 상기 제 1 트렌치의 하부에 상기 질화막의 하단부보다도 기판측으로 넓어지는 열산화막을 형성하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 7 항에 있어서,상기 트렌치를, p형 MOSFET 영역과 n형 MOSFET 영역을 구획하도록 형성하고,상기 트렌치 저부의 질화막의 제거 후에, 채널 방향의 단면에서 본 경우에, 상기 n형 MOSFET 영역과 접하는 측의 상기 제 1 트렌치의 측벽에 형성된 질화막을 유지하고, 또한, 상기 p형 MOSFET 영역과 접하는 측의 상기 제 1 트렌치의 측벽에 형성된 질화막을 제거하는 공정을 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
- 제 9 항에 있어서,상기 제 1 트렌치 저부로부터 제 2 트렌치를 더 파 넣고,상기 n형 MOSFET과 접하는 측의 제 2 트렌치 측면과, 상기 p형 MOSFET과 접하는 측의 제 1 트렌치 및 제 2 트렌치의 측면의 전체를 열산화하여, 상기 질화막의 하단부보다도 기판측으로 넓어지는 열산화막을 형성하는 공정을 더 포함하는 것을 특징으로 하는 반도체 장치의 제조 방법.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2005-00171277 | 2005-06-10 | ||
JP2005171277 | 2005-06-10 | ||
JP2005331700A JP4859441B2 (ja) | 2005-06-10 | 2005-11-16 | 半導体装置およびその製造方法 |
JPJP-P-2005-00331700 | 2005-11-16 |
Publications (2)
Publication Number | Publication Date |
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KR20060128621A true KR20060128621A (ko) | 2006-12-14 |
KR100735809B1 KR100735809B1 (ko) | 2007-07-06 |
Family
ID=37524582
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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KR1020060022008A KR100735809B1 (ko) | 2005-06-10 | 2006-03-09 | 반도체 장치 및 그 제조 방법 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7501686B2 (ko) |
JP (1) | JP4859441B2 (ko) |
KR (1) | KR100735809B1 (ko) |
CN (1) | CN1877839B (ko) |
TW (1) | TWI316293B (ko) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100891534B1 (ko) * | 2007-10-26 | 2009-04-03 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
KR100944148B1 (ko) * | 2007-11-26 | 2010-02-24 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
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US7381609B2 (en) * | 2004-01-16 | 2008-06-03 | International Business Machines Corporation | Method and structure for controlling stress in a transistor channel |
US7521763B2 (en) * | 2007-01-03 | 2009-04-21 | International Business Machines Corporation | Dual stress STI |
CN101271866B (zh) | 2007-03-22 | 2010-05-19 | 中芯国际集成电路制造(上海)有限公司 | 用于mos晶体管的隔离结构及其形成方法 |
US7691693B2 (en) * | 2007-06-01 | 2010-04-06 | Synopsys, Inc. | Method for suppressing layout sensitivity of threshold voltage in a transistor array |
US8106459B2 (en) | 2008-05-06 | 2012-01-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | FinFETs having dielectric punch-through stoppers |
US8263462B2 (en) | 2008-12-31 | 2012-09-11 | Taiwan Semiconductor Manufacturing Company, Ltd. | Dielectric punch-through stoppers for forming FinFETs having dual fin heights |
US8293616B2 (en) * | 2009-02-24 | 2012-10-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Methods of fabrication of semiconductor devices with low capacitance |
US8198170B2 (en) * | 2010-10-15 | 2012-06-12 | GlobalFoundries, Inc. | Semiconductor device fabrication method for improved isolation regions and defect-free active semiconductor material |
US8765561B2 (en) | 2011-06-06 | 2014-07-01 | United Microelectronics Corp. | Method for fabricating semiconductor device |
US8921944B2 (en) | 2011-07-19 | 2014-12-30 | United Microelectronics Corp. | Semiconductor device |
US8647941B2 (en) | 2011-08-17 | 2014-02-11 | United Microelectronics Corp. | Method of forming semiconductor device |
US8691659B2 (en) | 2011-10-26 | 2014-04-08 | United Microelectronics Corp. | Method for forming void-free dielectric layer |
US8835243B2 (en) | 2012-05-04 | 2014-09-16 | United Microelectronics Corp. | Semiconductor process |
US8772120B2 (en) | 2012-05-24 | 2014-07-08 | United Microelectronics Corp. | Semiconductor process |
US8951876B2 (en) | 2012-06-20 | 2015-02-10 | United Microelectronics Corp. | Semiconductor device and manufacturing method thereof |
US8778755B2 (en) * | 2012-07-12 | 2014-07-15 | Bae Systems Information And Electronic Systems Integration Inc. | Method for fabricating a metal-insulator-metal capacitor |
US8895396B1 (en) | 2013-07-11 | 2014-11-25 | United Microelectronics Corp. | Epitaxial Process of forming stress inducing epitaxial layers in source and drain regions of PMOS and NMOS structures |
US9196728B2 (en) * | 2013-12-31 | 2015-11-24 | Texas Instruments Incorporated | LDMOS CHC reliability |
US10910276B1 (en) * | 2019-10-01 | 2021-02-02 | Globalfoundries Inc. | STI structure with liner along lower portion of longitudinal sides of active region, and related FET and method |
US11869802B2 (en) | 2020-07-29 | 2024-01-09 | Changxin Memory Technologies, Inc. | Method of forming semiconductor isolation structure and semiconductor isolation structure |
CN114068389B (zh) * | 2020-07-29 | 2024-08-02 | 长鑫存储技术有限公司 | 半导体结构的形成方法及半导体结构 |
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JPS63151047A (ja) * | 1986-12-16 | 1988-06-23 | Matsushita Electric Ind Co Ltd | Mos型半導体装置の製造方法 |
JPH02248047A (ja) | 1989-03-22 | 1990-10-03 | Nec Corp | SiO↓2膜の形成方法 |
JPH02273956A (ja) * | 1989-04-15 | 1990-11-08 | Fujitsu Ltd | 半導体装置及びその製造方法 |
US5498566A (en) * | 1993-11-15 | 1996-03-12 | Lg Semicon Co., Ltd. | Isolation region structure of semiconductor device and method for fabricating the same |
KR19990051399A (ko) * | 1997-12-19 | 1999-07-05 | 윤종용 | 반도체 장치의 소자분리방법 |
JP2002043413A (ja) | 2000-07-25 | 2002-02-08 | Toshiba Corp | 半導体装置及び半導体装置の製造方法 |
US6313008B1 (en) | 2001-01-25 | 2001-11-06 | Chartered Semiconductor Manufacturing Inc. | Method to form a balloon shaped STI using a micro machining technique to remove heavily doped silicon |
JP4173658B2 (ja) * | 2001-11-26 | 2008-10-29 | 株式会社ルネサステクノロジ | 半導体装置及びその製造方法 |
JP2003273206A (ja) | 2002-03-18 | 2003-09-26 | Fujitsu Ltd | 半導体装置とその製造方法 |
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2005
- 2005-11-16 JP JP2005331700A patent/JP4859441B2/ja not_active Expired - Fee Related
-
2006
- 2006-02-22 TW TW095105924A patent/TWI316293B/zh not_active IP Right Cessation
- 2006-02-22 US US11/358,317 patent/US7501686B2/en not_active Expired - Fee Related
- 2006-03-09 KR KR1020060022008A patent/KR100735809B1/ko active IP Right Grant
- 2006-03-10 CN CN2006100547589A patent/CN1877839B/zh not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100891534B1 (ko) * | 2007-10-26 | 2009-04-03 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
US7858489B2 (en) | 2007-10-26 | 2010-12-28 | Hynix Semiconductor Inc. | Method for manufacturing semiconductor device capable of increasing current drivability of PMOS transistor |
KR100944148B1 (ko) * | 2007-11-26 | 2010-02-24 | 주식회사 동부하이텍 | 반도체 소자 및 그 제조 방법 |
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JP2007019450A (ja) | 2007-01-25 |
TWI316293B (en) | 2009-10-21 |
JP4859441B2 (ja) | 2012-01-25 |
US7501686B2 (en) | 2009-03-10 |
TW200644223A (en) | 2006-12-16 |
CN1877839B (zh) | 2011-07-13 |
US20060281245A1 (en) | 2006-12-14 |
KR100735809B1 (ko) | 2007-07-06 |
CN1877839A (zh) | 2006-12-13 |
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