KR100441681B1 - 금속 게이트 형성 방법 - Google Patents
금속 게이트 형성 방법 Download PDFInfo
- Publication number
- KR100441681B1 KR100441681B1 KR10-2001-0012600A KR20010012600A KR100441681B1 KR 100441681 B1 KR100441681 B1 KR 100441681B1 KR 20010012600 A KR20010012600 A KR 20010012600A KR 100441681 B1 KR100441681 B1 KR 100441681B1
- Authority
- KR
- South Korea
- Prior art keywords
- heat treatment
- film
- gas
- selective oxidation
- oxide film
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 57
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 230000008569 process Effects 0.000 claims abstract description 42
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 33
- 230000003647 oxidation Effects 0.000 claims abstract description 32
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims abstract description 18
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 13
- 230000006911 nucleation Effects 0.000 claims abstract description 10
- 238000010899 nucleation Methods 0.000 claims abstract description 10
- 238000006722 reduction reaction Methods 0.000 claims abstract description 3
- 239000004065 semiconductor Substances 0.000 claims description 25
- 239000000758 substrate Substances 0.000 claims description 21
- 229910052721 tungsten Inorganic materials 0.000 claims description 16
- 239000010937 tungsten Substances 0.000 claims description 16
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 11
- 229910052710 silicon Inorganic materials 0.000 claims description 11
- 239000010703 silicon Substances 0.000 claims description 11
- QGLKJKCYBOYXKC-UHFFFAOYSA-N nonaoxidotritungsten Chemical compound O=[W]1(=O)O[W](=O)(=O)O[W](=O)(=O)O1 QGLKJKCYBOYXKC-UHFFFAOYSA-N 0.000 claims description 7
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 7
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 6
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical group [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 3
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 3
- -1 tungsten nitride Chemical class 0.000 claims description 3
- 238000000059 patterning Methods 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 abstract description 14
- 150000004706 metal oxides Chemical class 0.000 abstract description 14
- 239000012298 atmosphere Substances 0.000 abstract description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 9
- 229920005591 polysilicon Polymers 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 238000001000 micrograph Methods 0.000 description 7
- 230000004888 barrier function Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 230000007261 regionalization Effects 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000003917 TEM image Methods 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000005468 ion implantation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004899 motility Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 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
- H01L21/02—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
-
- 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
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28026—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor
- H01L21/28035—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities
- H01L21/28044—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer
- H01L21/28061—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon characterised by the conductor the final conductor layer next to the insulator being silicon, e.g. polysilicon, with or without impurities the conductor comprising at least another non-silicon conductive layer the conductor comprising a metal or metal silicide formed by deposition, e.g. sputter deposition, i.e. without a silicidation reaction
-
- 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
- H01L21/28008—Making conductor-insulator-semiconductor electrodes
- H01L21/28017—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon
- H01L21/28247—Making conductor-insulator-semiconductor electrodes the insulator being formed after the semiconductor body, the semiconductor being silicon passivation or protection of the electrode, e.g. using re-oxidation
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)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (10)
- 삭제
- 삭제
- 삭제
- 삭제
- 삭제
- 실리콘 반도체 기판 상에 실리콘막, 텅스텐 질화막 그리고 텅스텐막을 차례로 적층하는 단계;상기 적층된 막질을 패터닝하여 금속 게이트 패턴을 형성하는 단계;상기 금속 게이트 패턴을 형성한 후, 실리콘에 대해서 선택적 산화 공정을 진행하는 단계; 및상기 선택적 산화 공정을 진행한 후, 수소 원자를 함유 하는 가스를 사용하여 열처리 하는 단계를 포함하여 이루어지는 것을 특징으로 하는 금속 게이트 형성 방법.
- 제 6 항에 있어서,상기 수소 원자를 함유하는 가스는 수소 가스, 암모니아 가스 또는 이들 가스의 혼합가스이며, 상기 열처리는 이들 가스 중 어느 하나 이상을 사용하는 것을 특징으로 하는 금속 게이트 형성 방법.
- 제 6 항에 또는 제 7 항에 있어서,상기 열처리는 질소 가스 또는 아르곤 가스를 더 포함하는 것을 특징으로 하는 금속 게이트 형성 방법.
- 제 6 항에 있어서,상기 열처리는 상기 선택적 산화 공정으로 형성되는 텅스텐 산화막을 환원반응에 의해 제거하는 것을 특징으로 하는 금속 게이트 형성 방법.
- 제 6 항에 있어서,상기 열처리는 상기 선택적 산화 공정으로 형성되는 텅스텐 산화막의 표면 이동도 및 위스커 핵형성을 억제하여 후속 열처리 공정에서 위스커 발생을 방지하는 것을 특징으로 하는 금속 게이트 형성 방법.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0012600A KR100441681B1 (ko) | 2001-03-12 | 2001-03-12 | 금속 게이트 형성 방법 |
TW090118389A TW508673B (en) | 2001-03-12 | 2001-07-27 | Method of forming metal gate |
US10/011,843 US6960515B2 (en) | 2001-03-12 | 2001-12-04 | Method of forming a metal gate |
JP2002028635A JP2002314076A (ja) | 2001-03-12 | 2002-02-05 | 金属ゲートの形成方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0012600A KR100441681B1 (ko) | 2001-03-12 | 2001-03-12 | 금속 게이트 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020072654A KR20020072654A (ko) | 2002-09-18 |
KR100441681B1 true KR100441681B1 (ko) | 2004-07-27 |
Family
ID=19706771
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0012600A KR100441681B1 (ko) | 2001-03-12 | 2001-03-12 | 금속 게이트 형성 방법 |
Country Status (4)
Country | Link |
---|---|
US (1) | US6960515B2 (ko) |
JP (1) | JP2002314076A (ko) |
KR (1) | KR100441681B1 (ko) |
TW (1) | TW508673B (ko) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100509401B1 (ko) * | 1999-09-14 | 2005-08-22 | 시오노기세이야쿠가부시키가이샤 | 2-이미노-1,3-티아진 유도체 |
KR100495921B1 (ko) | 2002-12-30 | 2005-06-17 | 주식회사 하이닉스반도체 | 스트레스 제거를 위한 반도체 소자의 제조 방법 |
KR100933683B1 (ko) * | 2003-06-30 | 2009-12-23 | 주식회사 하이닉스반도체 | 텅스텐 및 실리콘의 공존 상태의 반도체 장치 제조공정에서 선택적 실리콘 산화막 형성 방법 |
TWI312536B (en) | 2003-07-23 | 2009-07-21 | Nanya Technology Corporatio | Method for fabricating semiconductor device having stack-gate structure |
KR100616498B1 (ko) * | 2003-07-26 | 2006-08-25 | 주식회사 하이닉스반도체 | 폴리/텅스텐 게이트 전극을 갖는 반도체 소자의 제조방법 |
US7235497B2 (en) * | 2003-10-17 | 2007-06-26 | Micron Technology, Inc. | Selective oxidation methods and transistor fabrication methods |
US7030431B2 (en) * | 2004-03-19 | 2006-04-18 | Nanya Technology Corp. | Metal gate with composite film stack |
KR100586009B1 (ko) * | 2004-05-31 | 2006-06-01 | 삼성전자주식회사 | 반도체 장치의 제조 방법 및 이를 수행하기 위한 장치 |
US7517746B2 (en) * | 2007-04-24 | 2009-04-14 | United Microelectronics Corp. | Metal oxide semiconductor transistor with Y shape metal gate and fabricating method thereof |
US7951728B2 (en) | 2007-09-24 | 2011-05-31 | Applied Materials, Inc. | Method of improving oxide growth rate of selective oxidation processes |
US20090269939A1 (en) * | 2008-04-25 | 2009-10-29 | Asm International, N.V. | Cyclical oxidation process |
US9166020B2 (en) | 2011-03-01 | 2015-10-20 | United Microelectronics Corp. | Metal gate structure and manufacturing method thereof |
US8519487B2 (en) | 2011-03-21 | 2013-08-27 | United Microelectronics Corp. | Semiconductor device |
US9384962B2 (en) | 2011-04-07 | 2016-07-05 | United Microelectronics Corp. | Oxygen treatment of replacement work-function metals in CMOS transistor gates |
US8530980B2 (en) | 2011-04-27 | 2013-09-10 | United Microelectronics Corp. | Gate stack structure with etch stop layer and manufacturing process thereof |
US8841733B2 (en) | 2011-05-17 | 2014-09-23 | United Microelectronics Corp. | Semiconductor device and method of fabricating the same |
US9490342B2 (en) | 2011-06-16 | 2016-11-08 | United Microelectronics Corp. | Method for fabricating semiconductor device |
US8673758B2 (en) | 2011-06-16 | 2014-03-18 | United Microelectronics Corp. | Structure of metal gate and fabrication method thereof |
US8536038B2 (en) | 2011-06-21 | 2013-09-17 | United Microelectronics Corp. | Manufacturing method for metal gate using ion implantation |
US8486790B2 (en) | 2011-07-18 | 2013-07-16 | United Microelectronics Corp. | Manufacturing method for metal gate |
US8551876B2 (en) | 2011-08-18 | 2013-10-08 | United Microelectronics Corp. | Manufacturing method for semiconductor device having metal gate |
US8872286B2 (en) | 2011-08-22 | 2014-10-28 | United Microelectronics Corp. | Metal gate structure and fabrication method thereof |
US8691681B2 (en) | 2012-01-04 | 2014-04-08 | United Microelectronics Corp. | Semiconductor device having a metal gate and fabricating method thereof |
US8860181B2 (en) | 2012-03-07 | 2014-10-14 | United Microelectronics Corp. | Thin film resistor structure |
US9105623B2 (en) | 2012-05-25 | 2015-08-11 | United Microelectronics Corp. | Semiconductor device having metal gate and manufacturing method thereof |
US8975666B2 (en) | 2012-08-22 | 2015-03-10 | United Microelectronics Corp. | MOS transistor and process thereof |
US9054172B2 (en) | 2012-12-05 | 2015-06-09 | United Microelectrnics Corp. | Semiconductor structure having contact plug and method of making the same |
US8735269B1 (en) | 2013-01-15 | 2014-05-27 | United Microelectronics Corp. | Method for forming semiconductor structure having TiN layer |
US9653300B2 (en) | 2013-04-16 | 2017-05-16 | United Microelectronics Corp. | Structure of metal gate structure and manufacturing method of the same |
US9159798B2 (en) | 2013-05-03 | 2015-10-13 | United Microelectronics Corp. | Replacement gate process and device manufactured using the same |
US9196542B2 (en) | 2013-05-22 | 2015-11-24 | United Microelectronics Corp. | Method for manufacturing semiconductor devices |
US8921947B1 (en) | 2013-06-10 | 2014-12-30 | United Microelectronics Corp. | Multi-metal gate semiconductor device having triple diameter metal opening |
US20150069534A1 (en) | 2013-09-11 | 2015-03-12 | United Microelectronics Corp. | Semiconductor device and method for fabricating the same |
US9105720B2 (en) | 2013-09-11 | 2015-08-11 | United Microelectronics Corp. | Semiconductor device having metal gate and manufacturing method thereof |
US9196546B2 (en) | 2013-09-13 | 2015-11-24 | United Microelectronics Corp. | Metal gate transistor |
US9231071B2 (en) | 2014-02-24 | 2016-01-05 | United Microelectronics Corp. | Semiconductor structure and manufacturing method of the same |
Family Cites Families (9)
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JP2624736B2 (ja) * | 1988-01-14 | 1997-06-25 | 株式会社東芝 | 半導体装置の製造方法 |
JPH0636248A (ja) * | 1992-07-16 | 1994-02-10 | Toshiba Corp | ヘッド装置 |
JP3242228B2 (ja) * | 1993-02-12 | 2001-12-25 | 富士通株式会社 | 静電保護回路付半導体集積回路及びそのレイアウト設計方法 |
US5342798A (en) * | 1993-11-23 | 1994-08-30 | Vlsi Technology, Inc. | Method for selective salicidation of source/drain regions of a transistor |
US6326248B1 (en) * | 1994-06-02 | 2001-12-04 | Semiconductor Energy Laboratory Co., Ltd. | Process for fabricating semiconductor device |
JP3621151B2 (ja) * | 1994-06-02 | 2005-02-16 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
US5962904A (en) * | 1997-09-16 | 1999-10-05 | Micron Technology, Inc. | Gate electrode stack with diffusion barrier |
US6265297B1 (en) * | 1999-09-01 | 2001-07-24 | Micron Technology, Inc. | Ammonia passivation of metal gate electrodes to inhibit oxidation of metal |
US6348380B1 (en) * | 2000-08-25 | 2002-02-19 | Micron Technology, Inc. | Use of dilute steam ambient for improvement of flash devices |
-
2001
- 2001-03-12 KR KR10-2001-0012600A patent/KR100441681B1/ko active IP Right Grant
- 2001-07-27 TW TW090118389A patent/TW508673B/zh not_active IP Right Cessation
- 2001-12-04 US US10/011,843 patent/US6960515B2/en not_active Expired - Lifetime
-
2002
- 2002-02-05 JP JP2002028635A patent/JP2002314076A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US20020127888A1 (en) | 2002-09-12 |
TW508673B (en) | 2002-11-01 |
US6960515B2 (en) | 2005-11-01 |
JP2002314076A (ja) | 2002-10-25 |
KR20020072654A (ko) | 2002-09-18 |
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