KR100520837B1 - 반도체 소자의 제조방법 - Google Patents
반도체 소자의 제조방법 Download PDFInfo
- Publication number
- KR100520837B1 KR100520837B1 KR10-2003-0020595A KR20030020595A KR100520837B1 KR 100520837 B1 KR100520837 B1 KR 100520837B1 KR 20030020595 A KR20030020595 A KR 20030020595A KR 100520837 B1 KR100520837 B1 KR 100520837B1
- Authority
- KR
- South Korea
- Prior art keywords
- tungsten
- pattern
- film
- exposed surface
- coating film
- Prior art date
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- 239000004065 semiconductor Substances 0.000 title claims abstract description 51
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims abstract description 131
- 229910052721 tungsten Inorganic materials 0.000 claims abstract description 131
- 239000010937 tungsten Substances 0.000 claims abstract description 131
- 239000011248 coating agent Substances 0.000 claims abstract description 41
- 238000000576 coating method Methods 0.000 claims abstract description 41
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 37
- 239000010703 silicon Substances 0.000 claims abstract description 37
- 239000000758 substrate Substances 0.000 claims abstract description 36
- 238000010438 heat treatment Methods 0.000 claims abstract description 22
- 230000002159 abnormal effect Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 52
- 230000008569 process Effects 0.000 claims description 36
- 229920002120 photoresistant polymer Polymers 0.000 claims description 31
- 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 21
- 229910001930 tungsten oxide Inorganic materials 0.000 claims description 21
- 238000004380 ashing Methods 0.000 claims description 14
- 238000005530 etching Methods 0.000 claims description 11
- 230000003647 oxidation Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 5
- 239000011247 coating layer Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 31
- 239000007789 gas Substances 0.000 description 17
- 239000010410 layer Substances 0.000 description 15
- 239000011229 interlayer Substances 0.000 description 14
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 11
- 125000006850 spacer group Chemical group 0.000 description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- 238000003672 processing method Methods 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 7
- 229920005591 polysilicon Polymers 0.000 description 7
- 238000000206 photolithography Methods 0.000 description 6
- 230000000052 comparative effect Effects 0.000 description 5
- 239000011810 insulating material Substances 0.000 description 5
- 230000035515 penetration Effects 0.000 description 5
- 230000007547 defect Effects 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 3
- 230000007257 malfunction Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910021332 silicide Inorganic materials 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000008570 general process Effects 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000009832 plasma treatment Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 silicon Silicon ions Chemical class 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
-
- 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
-
- 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
-
- 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
- H01L21/76838—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 conductors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B12/00—Dynamic random access memory [DRAM] devices
- H10B12/30—DRAM devices comprising one-transistor - one-capacitor [1T-1C] memory cells
- H10B12/48—Data lines or contacts therefor
- H10B12/482—Bit lines
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- 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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (13)
- 반도체 기판 상에 노출표면이 산화된 텅스텐 패턴을 형성하는 단계;상기 텅스텐 패턴의 상기 노출표면을 실리콘을 포함하는 소스로 처리하여 산화물의 이상 성장을 방지하도록 상기 노출표면 근방에 실리콘을 포함하는 코팅막을 형성하는 단계; 및상기 코팅막을 갖는 반도체 기판에 대해 열처리를 진행하는 단계를 포함하되,상기 코팅막을 형성하는 단계는,상기 텅스텐 패턴의 주위 온도를 300 내지 600℃ 로 유지하는 단계;상기 텅스텐 패턴의 노출표면으로 10 내지 1000 sccm의 유량으로 SiH4 기체 흐름을 형성하는 단계; 및상기 SiH4 기체 흐름에 의해 실리콘이 상기 텅스텐 패턴의 노출표면으로 침투하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 산화는 텅스텐 패턴의 노출표면에 텅스텐 산화막이 형성되어 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 산화는 에싱 공정 및 열처리 공정에 의해 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제1항에 있어서, 상기 열처리는 300 내지 1100℃로 진행되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제1항에 있어서, 상기 코팅막은 1 내지 100Å의 두께로 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 반도체 기판 상에 도포된 텅스텐막 상에 상기 텅스텐막의 일부 영역을 노출시키는 포토레지스트 패턴을 형성하는 단계;상기 포토레지스트 패턴을 식각 마스크로 이용하여 노출된 상기 텅스텐막을 선택적으로 식각하여 텅스텐 패턴을 형성하는 단계;상기 텅스텐 패턴 상의 상기 포토레지스트 패턴을 제거하는 단계;상기 포토레지스트 패턴을 제거하여 노출된 상기 텅스텐 패턴의 노출표면을 실리콘을 포함하는 소스로 처리하여 산화물의 이상 성장을 방지하도록 상기 노출표면 근방에 실리콘을 포함하는 코팅막을 형성하는 단계; 및상기 코팅막을 포함한 반도체 기판에 대해 열처리를 진행하는 단계를 포함하되,상기 코팅막을 형성하는 단계는,상기 텅스텐 패턴의 주위 온도를 300 내지 600℃ 로 유지하는 단계;상기 텅스텐 패턴의 노출표면으로 10 내지 1000 sccm의 유량으로 SiH4 기체 흐름을 형성하는 단계; 및상기 SiH4 기체 흐름에 의해 상기 텅스텐 패턴의 노출표면으로 실리콘이 침투하는 단계로 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제8항에 있어서, 상기 텅스텐 패턴 상의 상기 포토레지스트 패턴을 제거하는 단계는,에싱 및 스트립에 의해 이루어지는 것을 특징으로 하는 반도체 소자의 제조방법.
- 삭제
- 제8항에 있어서, 상기 열처리는 300 내지 1100℃로 진행되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제8항에 있어서, 상기 코팅막은 1 내지 100Å의 두께로 형성되는 것을 특징으로 하는 반도체 소자의 제조방법.
- 제8항에 있어서, 상기 반도체 기판 상에 절연막을 더 구비하는 것을 특징으로 하는 반도체 소자의 제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0020595A KR100520837B1 (ko) | 2003-04-01 | 2003-04-01 | 반도체 소자의 제조방법 |
US10/816,989 US7135407B2 (en) | 2003-04-01 | 2004-04-01 | Method of manufacturing a semiconductor device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0020595A KR100520837B1 (ko) | 2003-04-01 | 2003-04-01 | 반도체 소자의 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040085794A KR20040085794A (ko) | 2004-10-08 |
KR100520837B1 true KR100520837B1 (ko) | 2005-10-13 |
Family
ID=33095606
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2003-0020595A KR100520837B1 (ko) | 2003-04-01 | 2003-04-01 | 반도체 소자의 제조방법 |
Country Status (2)
Country | Link |
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US (1) | US7135407B2 (ko) |
KR (1) | KR100520837B1 (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100666380B1 (ko) * | 2005-05-30 | 2007-01-09 | 삼성전자주식회사 | 포토레지스트 제거방법 및 이를 이용한 반도체 소자의 제조방법. |
KR101429211B1 (ko) * | 2008-01-30 | 2014-08-14 | 삼성전자주식회사 | 금속 실리사이드를 포함하는 트랜지스터 및 그 제조 방법,이를 이용한 반도체 소자 제조 방법. |
US20100276764A1 (en) * | 2009-05-04 | 2010-11-04 | Yi-Jen Lo | Semiconductor structure with selectively deposited tungsten film and method for making the same |
JP6840051B2 (ja) * | 2017-08-02 | 2021-03-10 | 東京エレクトロン株式会社 | タングステン膜上へシリコン酸化膜を形成する方法および装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5084417A (en) * | 1989-01-06 | 1992-01-28 | International Business Machines Corporation | Method for selective deposition of refractory metals on silicon substrates and device formed thereby |
US6893980B1 (en) * | 1996-12-03 | 2005-05-17 | Kabushiki Kaisha Toshiba | Semiconductor device and manufacturing method therefor |
JP3341619B2 (ja) * | 1997-03-04 | 2002-11-05 | 東京エレクトロン株式会社 | 成膜装置 |
US6214731B1 (en) | 1998-03-25 | 2001-04-10 | Advanced Micro Devices, Inc. | Copper metalization with improved electromigration resistance |
DE19926500C2 (de) * | 1999-06-10 | 2001-09-20 | Infineon Technologies Ag | Nichtflüchtige Halbleiter-Speicherzelle mit einer eine hohe relative Dielektrizitätskonstante aufweisenden dielektrischen Schicht und Verfahren zu deren Herstellung |
TWI330269B (en) * | 2002-12-27 | 2010-09-11 | Semiconductor Energy Lab | Separating method |
-
2003
- 2003-04-01 KR KR10-2003-0020595A patent/KR100520837B1/ko active IP Right Grant
-
2004
- 2004-04-01 US US10/816,989 patent/US7135407B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US7135407B2 (en) | 2006-11-14 |
US20040198041A1 (en) | 2004-10-07 |
KR20040085794A (ko) | 2004-10-08 |
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