KR100611777B1 - 반도체소자 제조 방법 - Google Patents
반도체소자 제조 방법 Download PDFInfo
- Publication number
- KR100611777B1 KR100611777B1 KR1020030094700A KR20030094700A KR100611777B1 KR 100611777 B1 KR100611777 B1 KR 100611777B1 KR 1020030094700 A KR1020030094700 A KR 1020030094700A KR 20030094700 A KR20030094700 A KR 20030094700A KR 100611777 B1 KR100611777 B1 KR 100611777B1
- Authority
- KR
- South Korea
- Prior art keywords
- film
- conductive
- insulating layer
- forming
- layer
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 83
- 239000004065 semiconductor Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 238000005530 etching Methods 0.000 claims abstract description 48
- 238000004140 cleaning Methods 0.000 claims abstract description 36
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 239000000758 substrate Substances 0.000 claims abstract description 17
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000000779 smoke Substances 0.000 claims abstract description 3
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims abstract 4
- 150000004767 nitrides Chemical class 0.000 claims description 21
- 239000005380 borophosphosilicate glass Substances 0.000 claims description 9
- 238000009792 diffusion process Methods 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 230000006866 deterioration Effects 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 166
- 239000010410 layer Substances 0.000 description 57
- 229920002120 photoresistant polymer Polymers 0.000 description 27
- 239000000463 material Substances 0.000 description 13
- 229910052721 tungsten Inorganic materials 0.000 description 12
- 239000010937 tungsten Substances 0.000 description 12
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 11
- 229920005591 polysilicon Polymers 0.000 description 11
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 9
- 230000015572 biosynthetic process Effects 0.000 description 8
- 238000009413 insulation Methods 0.000 description 7
- 239000011229 interlayer Substances 0.000 description 6
- 229910052581 Si3N4 Inorganic materials 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 239000006227 byproduct Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- QPJSUIGXIBEQAC-UHFFFAOYSA-N n-(2,4-dichloro-5-propan-2-yloxyphenyl)acetamide Chemical compound CC(C)OC1=CC(NC(C)=O)=C(Cl)C=C1Cl QPJSUIGXIBEQAC-UHFFFAOYSA-N 0.000 description 5
- 229910052710 silicon Inorganic materials 0.000 description 5
- 239000010703 silicon Substances 0.000 description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 5
- 102100040006 Annexin A1 Human genes 0.000 description 4
- 101000959738 Homo sapiens Annexin A1 Proteins 0.000 description 4
- 101000929342 Lytechinus pictus Actin, cytoskeletal 1 Proteins 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 3
- -1 tungsten nitride Chemical class 0.000 description 3
- 229910021342 tungsten silicide Inorganic materials 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000012159 carrier gas Substances 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000001579 optical reflectometry Methods 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 238000004528 spin coating Methods 0.000 description 2
- 101100251965 Arabidopsis thaliana RLP51 gene Proteins 0.000 description 1
- 101150077194 CAP1 gene Proteins 0.000 description 1
- 101150014715 CAP2 gene Proteins 0.000 description 1
- 101100245221 Mus musculus Prss8 gene Proteins 0.000 description 1
- 101100260872 Mus musculus Tmprss4 gene Proteins 0.000 description 1
- 101150094878 SNC1 gene Proteins 0.000 description 1
- 101100203507 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) SNC2 gene Proteins 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
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
- H01L21/02—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
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
-
- 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
-
- 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
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-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
- H01L21/70—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
-
- 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
- H01L21/76829—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 characterised by the formation of thin functional dielectric layers, e.g. dielectric etch-stop, barrier, capping or liner layers
-
- 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
- H01L21/02041—Cleaning
- H01L21/02043—Cleaning before device manufacture, i.e. Begin-Of-Line process
- H01L21/02052—Wet cleaning only
-
- 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
- Y10S438/97—Specified etch stop material
Landscapes
- 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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (9)
- 제1도전층 상에 제1하드마스크/제1전도막 구조의 복수의 제1도전패턴을 형성하는 단계;상기 제1도전패턴 상에 상기 제1전도막 내지 상기 제1하드마스크 사이의 높이를 갖도록 갭-필 특성이 우수한 제1절연막을 형성하는 단계;상기 제1절연막 상에 상기 제1절연막에 비해 불산 또는 BOE(Buffered Oxide Etchant)을 포함하는 세정액에 대해 식각 내성이 강한 제2절연막을 형성하는 단계;상기 제2절연막과 상기 제1절연막을 관통하며 상기 제1도전패턴 사이의 상기 제1도전층에 콘택된 제2도전층을 형성하는 단계;상기 제2도전층 상에 상기 제1절연막에 비해 상기 세정액에 대해 식각 내성이 강한 제3절연막을 형성하는 단계;상기 제3연막 상에 제2하드마스크/제2전도막 구조의 복수의 제2도전패턴을 형성하는 단계;상기 제2도전패턴을 포함하는 기판 전면에 상기 제1절연막에 비해 상기 세정액에 대해 식각 내성이 강한 제4절연막을 형성하는 단계; 및상기 제2도전패턴 사이에서 상기 제4절연막과 상기 제3절연막을 관통하여 상기 제2도전층과 콘택된 제3도전층을 형성하는 단계를 포함하는 반도체소자 제조 방법.
- 제 1 항에 있어서,상기 제1절연막은, APL(Advanced Planarization Layer)막, SOG(Spin On Glass)막 또는 BPSG(Boro Phospho Silicate Glass)막 중 어느 하나를 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 2 항에 있어서,상기 제2절연막은, TEOS(TetraEthyl Ortho Silicate)막 또는 HDP(High Density Plasma) 산화막을 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 1 항에 있어서,상기 제1절연막은, APL막 또는 SOG막을 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 4 항에 있어서,상기 제2절연막은, BPSG막, TEOS막 또는 HDP 산화막 중 어느 하나를 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 3 항 또는 제 5 항에 있어서,상기 제3절연막과 상기 제4절연막은,LP(Low Pressure)-TEOS막, PE(Plasma Enhanced)-TEOS막 또는 HDP 산화막 중 어느 하나를 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 1 항에 있어서,상기 제1도전층은 기판의 불순물 확산영역을 포함하고, 상기 제1도전패턴은 게이트 전극 패턴을 포함하며, 상기 제2도전층은 셀 콘택 플러그를 포함하며, 상기 제2도전패턴은 비트라인을 포함하며, 상기 제3도전층은 스토리지노드 콘택 플러그를 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 1 항에 있어서,상기 복수의 제1도전패턴을 형성하는 단계 후, 상기 복수의 제1도전패턴이 형성된 프로파일을 따라 제1식각정지막을 형성하는 단계를 더 포함하며,상기 복수의 제2도전패턴을 형성하는 단계 후, 상기 복수의 제2도전패턴이 형성된 프로파일을 따라 제2식각정지막을 형성하는 단계를 더 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
- 제 8 항에 있어서,상기 제1식각정지막과 상기 제2식각정지막은, 복수의 질화막이 적층된 구조 또는 질화막과 산화막이 적층된 구조를 포함하는 것을 특징으로 하는 반도체소자 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030094700A KR100611777B1 (ko) | 2003-12-22 | 2003-12-22 | 반도체소자 제조 방법 |
US10/879,733 US7122467B2 (en) | 2003-12-22 | 2004-06-30 | Method for fabricating semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020030094700A KR100611777B1 (ko) | 2003-12-22 | 2003-12-22 | 반도체소자 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050063308A KR20050063308A (ko) | 2005-06-28 |
KR100611777B1 true KR100611777B1 (ko) | 2006-08-11 |
Family
ID=34675913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020030094700A KR100611777B1 (ko) | 2003-12-22 | 2003-12-22 | 반도체소자 제조 방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7122467B2 (ko) |
KR (1) | KR100611777B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11469376B2 (en) | 2019-11-12 | 2022-10-11 | Samsung Display Co., Ltd. | Display apparatus and method of manufacturing the same |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI281231B (en) * | 2004-12-20 | 2007-05-11 | Hynix Semiconductor Inc | Method for forming storage node of capacitor in semiconductor device |
KR100834739B1 (ko) * | 2006-09-14 | 2008-06-05 | 삼성전자주식회사 | 반도체 소자 및 그 제조 방법 |
CN100468695C (zh) * | 2006-12-04 | 2009-03-11 | 中芯国际集成电路制造(上海)有限公司 | 改善多晶硅缺陷的方法 |
US7863090B2 (en) * | 2007-06-25 | 2011-01-04 | Epic Technologies, Inc. | Packaged electronic modules and fabrication methods thereof implementing a cell phone or other electronic system |
KR100869351B1 (ko) | 2007-06-28 | 2008-11-19 | 주식회사 하이닉스반도체 | 반도체 소자의 제조방법 |
DE102007030058B3 (de) * | 2007-06-29 | 2008-12-24 | Advanced Micro Devices, Inc., Sunnyvale | Technik zur Herstellung eines dielektrischen Zwischenschichtmaterials mit erhöhter Zuverlässigkeit über einer Struktur, die dichtliegende Leitungen aufweist |
DE102009046260B4 (de) * | 2009-10-30 | 2020-02-06 | GLOBALFOUNDRIES Dresden Module One Ltd. Liability Company & Co. KG | Halbleiterbauelement und Verfahren zur Herstellung eines Halbleiterbauelements |
US8169065B2 (en) * | 2009-12-22 | 2012-05-01 | Epic Technologies, Inc. | Stackable circuit structures and methods of fabrication thereof |
CN105514027B (zh) * | 2014-10-17 | 2018-09-07 | 中芯国际集成电路制造(上海)有限公司 | 半导体器件及其形成方法 |
JP2022144220A (ja) * | 2021-03-18 | 2022-10-03 | キオクシア株式会社 | 半導体装置の製造方法およびエッチング方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5372974A (en) | 1993-03-19 | 1994-12-13 | Micron Semiconductor, Inc. | Approach to avoid buckling in BPSG by using an intermediate barrier layer |
US6077790A (en) | 1997-03-14 | 2000-06-20 | Micron Technology, Inc. | Etching process using a buffer layer |
US6803318B1 (en) * | 2000-09-14 | 2004-10-12 | Cypress Semiconductor Corp. | Method of forming self aligned contacts |
US6569778B2 (en) * | 2001-06-28 | 2003-05-27 | Hynix Semiconductor Inc. | Method for forming fine pattern in semiconductor device |
US6867145B2 (en) * | 2001-12-17 | 2005-03-15 | Hynix Semiconductor Inc. | Method for fabricating semiconductor device using photoresist pattern formed with argon fluoride laser |
-
2003
- 2003-12-22 KR KR1020030094700A patent/KR100611777B1/ko not_active IP Right Cessation
-
2004
- 2004-06-30 US US10/879,733 patent/US7122467B2/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11469376B2 (en) | 2019-11-12 | 2022-10-11 | Samsung Display Co., Ltd. | Display apparatus and method of manufacturing the same |
US11882756B2 (en) | 2019-11-12 | 2024-01-23 | Samsung Display Co., Ltd. | Display apparatus and method of manufacturing the same |
Also Published As
Publication number | Publication date |
---|---|
US20050136642A1 (en) | 2005-06-23 |
KR20050063308A (ko) | 2005-06-28 |
US7122467B2 (en) | 2006-10-17 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100587635B1 (ko) | 반도체소자의 제조 방법 | |
KR100780610B1 (ko) | 반도체소자 제조 방법 | |
KR100611777B1 (ko) | 반도체소자 제조 방법 | |
US6852592B2 (en) | Methods for fabricating semiconductor devices | |
KR100611776B1 (ko) | 반도체 소자 제조 방법 | |
KR100616499B1 (ko) | 반도체소자 제조 방법 | |
KR100672780B1 (ko) | 반도체 소자 및 그 제조 방법 | |
KR100685677B1 (ko) | 반도체 소자 제조 방법 | |
KR20060000912A (ko) | 반도체 소자 제조 방법 | |
KR101062833B1 (ko) | 반도체 소자의 콘택 플러그 형성 방법 | |
KR20050063410A (ko) | 반도체소자 제조방법 | |
KR100910868B1 (ko) | 반도체소자 제조 방법 | |
KR20060023004A (ko) | 반도체소자의 콘택 플러그 형성 방법 | |
KR20050060656A (ko) | 반도체소자 제조방법 | |
KR20060029007A (ko) | 반도체 소자 제조 방법 | |
KR20040024685A (ko) | 매립형 비트라인을 구비한 반도체 소자의 제조 방법 | |
KR100942981B1 (ko) | 반도체소자 제조 방법 | |
KR20050067549A (ko) | 반도체 소자 제조 방법 | |
KR20060036705A (ko) | 반도체 소자 제조 방법 | |
KR20050116483A (ko) | 반도체소자의 콘택홀 형성 방법 | |
KR20050067467A (ko) | 반도체소자 제조 방법 | |
KR20070055880A (ko) | 반도체 소자 제조방법 | |
KR20060010894A (ko) | 반도체 소자의 콘택 플러그 형성 방법 | |
KR20060038589A (ko) | 반도체 소자의 플러그 형성 방법 | |
KR20060072382A (ko) | 반도체 소자의 콘택홀 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20120720 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20130723 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20140723 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20150721 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20160721 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20170724 Year of fee payment: 12 |
|
LAPS | Lapse due to unpaid annual fee |