JP4781723B2 - 半導体パターン形成方法 - Google Patents
半導体パターン形成方法 Download PDFInfo
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- JP4781723B2 JP4781723B2 JP2005168760A JP2005168760A JP4781723B2 JP 4781723 B2 JP4781723 B2 JP 4781723B2 JP 2005168760 A JP2005168760 A JP 2005168760A JP 2005168760 A JP2005168760 A JP 2005168760A JP 4781723 B2 JP4781723 B2 JP 4781723B2
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- 238000000034 method Methods 0.000 title claims description 41
- 239000004065 semiconductor Substances 0.000 title claims description 32
- 229920002120 photoresistant polymer Polymers 0.000 claims description 66
- 238000005530 etching Methods 0.000 claims description 48
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 40
- 229910052710 silicon Inorganic materials 0.000 claims description 39
- 239000010703 silicon Substances 0.000 claims description 39
- 238000004380 ashing Methods 0.000 claims description 19
- 230000007261 regionalization Effects 0.000 claims description 18
- 239000000758 substrate Substances 0.000 claims description 18
- 238000001312 dry etching Methods 0.000 claims description 5
- 239000000075 oxide glass Substances 0.000 claims description 5
- 238000000059 patterning Methods 0.000 claims description 4
- 238000011065 in-situ storage Methods 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims description 2
- 150000003377 silicon compounds Chemical class 0.000 description 11
- 239000007789 gas Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 206010034972 Photosensitivity reaction Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920003986 novolac Polymers 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 230000036211 photosensitivity Effects 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 238000002310 reflectometry Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 229910000577 Silicon-germanium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 1
- LEVVHYCKPQWKOP-UHFFFAOYSA-N [Si].[Ge] Chemical compound [Si].[Ge] LEVVHYCKPQWKOP-UHFFFAOYSA-N 0.000 description 1
- 230000003667 anti-reflective effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002265 prevention Effects 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
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
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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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/26—Processing photosensitive materials; Apparatus therefor
- G03F7/42—Stripping or agents therefor
- G03F7/427—Stripping or agents therefor using plasma means only
-
- 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
- H01L21/027—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
- H01L21/0332—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 composition, e.g. multilayer masks, 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
- H01L21/30—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
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic 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
- H01L21/02—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
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer using masks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66787—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a gate at the side of the channel
- H01L29/66795—Unipolar field-effect transistors with an insulated gate, i.e. MISFET with a gate at the side of the channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/785—Field effect transistors with field effect produced by an insulated gate having a channel with a horizontal current flow in a vertical sidewall of a semiconductor body, e.g. FinFET, MuGFET
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Thin Film Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
52 下部膜
52p 下部膜パターン
54 無機ハードマスク膜
54p ハードマスクパターン
56 有機マスク膜
56p 有機マスクパターン
56p' 有機マスクパターン
58 反射防止膜
58p 反射防止膜パターン
58p' 反射防止膜パターン
58s シリコン化合物
60 シリコン含有フォトレジスト膜
60p フォトレジストパターン
62 開口部
62' オープニング
64 アンダーカット
100 基板
100a 活性領域
101 ゲート絶縁膜
101p ゲート絶縁膜パターン
102 ゲート導電膜
102p ゲートパターン
104 無機ハードマスク膜
104p ハードマスクパターン
106 有機マスク膜
106p 有機マスクパターン
108 反射防止膜
108p 反射防止膜パターン
110p フォトレジストパターン
110s 酸化膜グラス
200 埋没絶縁層
Claims (7)
- 下部膜が形成された基板上に無機ハードマスク膜、有機マスク膜、反射防止膜を順次積層する段階と、
前記反射防止膜上にシリコン含有フォトレジストパターンを形成する段階と、
O2プラズマアッシングを実施して前記シリコン含有フォトレジストパターンの露出面を酸化膜グラスに変えると同時に前記反射防止膜及び前記有機マスク膜を乾式エッチングする段階と、
前記反射防止膜及び前記有機マスク膜を側方向にエッチングして、前記フォトレジストパターンより線幅が狭い反射防止膜パターン及び有機マスク膜パターンを形成する段階と、
前記フォトレジストパターン、前記反射防止膜パターン及び前記有機マスク膜パターンをエッチングマスクとして使用して前記ハードマスク膜をエッチングする段階と、
前記フォトレジストパターン、前記反射防止膜パターン及び前記有機マスク膜パターンを除去する段階と、
前記無機ハードマスク膜をエッチングマスクとして使用して前記下部膜をエッチングする段階とを含むことを特徴とするパターン形成方法。 - 前記反射防止膜を乾式エッチングする段階の以前に、
前記シリコン含有フォトレジストパターンを形成する段階によって形成された、前記反射防止膜の表面のシリコン含有層をCHF系列のエッチングガスを使用して除去する段階をさらに含むことを特徴とする請求項1に記載のパターン形成方法。 - 前記無機ハードマスク膜をエッチングする段階で、
前記酸化膜グラスが除去されることを特徴とする請求項1に記載のパターン形成方法。 - 垂直に伸ばした活性領域が形成された基板上にゲート絶縁膜、ゲート導電膜及び無機ハードマスク膜をコンフォマルに形成する段階と、
前記無機ハードマスク膜上に平坦化された有機マスク膜及び反射防止膜を形成する段階と、
前記反射防止膜上にシリコン含有フォトレジストパターンを形成する段階と、
O2プラズマアッシングを実施して前記シリコン含有フォトレジストパターンの露出面を酸化膜グラスに変えると同時に前記反射防止膜及び前記有機マスク膜を乾式エッチングする段階と、
前記反射防止膜及び前記有機マスク膜を横に凹ませ、前記フォトレジストパターンの線幅より小さい反射防止膜パターン及び有機マスクパターンを形成する段階と、
前記シリコン含有フォトレジストパターン、前記反射防止膜パターン及び前記有機マスク膜パターンをエッチングマスクとして使用して前記無機ハードマスク膜をパターニングしてハードマスクパターンを形成する段階と、
前記フォトレジストパターン、前記反射防止膜パターン及び前記有機マスク膜パターンを除去する段階と、
前記ハードマスクパターンをエッチングマスクとして使用して前記ゲート導電膜をエッチングしてゲートパターンを形成する段階と、
前記ハードマスクパターンを除去する段階とを含むことを特徴とする半導体パターン形成方法。 - 前記O2プラズマアッシング段階の以前に、
CHF系列のエッチングガスを利用して前記反射防止膜の表面のシリコン含有層を除去する段階をさらに含むことを特徴とする請求項4に記載の半導体パターン形成方法。 - 前記反射防止膜の表面のシリコン含有層の除去及び前記O2プラズマアッシングはインシチューで実施することを特徴とする請求項5に記載の半導体パターン形成方法。
- O2プラズマアッシングはHBrプラズマをさらに含むことを特徴とする請求項4に記載の半導体パターン形成方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020040045052A KR100598105B1 (ko) | 2004-06-17 | 2004-06-17 | 반도체 패턴 형성 방법 |
KR2004-045052 | 2004-06-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006005344A JP2006005344A (ja) | 2006-01-05 |
JP4781723B2 true JP4781723B2 (ja) | 2011-09-28 |
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Application Number | Title | Priority Date | Filing Date |
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JP2005168760A Expired - Fee Related JP4781723B2 (ja) | 2004-06-17 | 2005-06-08 | 半導体パターン形成方法 |
Country Status (3)
Country | Link |
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US (1) | US20060003268A1 (ja) |
JP (1) | JP4781723B2 (ja) |
KR (1) | KR100598105B1 (ja) |
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JP5399980B2 (ja) * | 2010-06-08 | 2014-01-29 | 日本電信電話株式会社 | ドライエッチング方法 |
JP5485188B2 (ja) * | 2011-01-14 | 2014-05-07 | 信越化学工業株式会社 | レジスト下層膜材料及びこれを用いたパターン形成方法 |
US9123654B2 (en) | 2013-02-15 | 2015-09-01 | International Business Machines Corporation | Trilayer SIT process with transfer layer for FINFET patterning |
JP6784530B2 (ja) * | 2016-03-29 | 2020-11-11 | 東京エレクトロン株式会社 | 被処理体を処理する方法 |
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US5756256A (en) * | 1992-06-05 | 1998-05-26 | Sharp Microelectronics Technology, Inc. | Silylated photo-resist layer and planarizing method |
JPH07263293A (ja) * | 1994-03-17 | 1995-10-13 | Fujitsu Ltd | 多層レジストマスクのパターニング方法 |
JP3607431B2 (ja) * | 1996-09-18 | 2005-01-05 | 株式会社東芝 | 半導体装置およびその製造方法 |
US6143476A (en) * | 1997-12-12 | 2000-11-07 | Applied Materials Inc | Method for high temperature etching of patterned layers using an organic mask stack |
TW513745B (en) * | 2000-06-06 | 2002-12-11 | Ekc Technology Inc | Method of fabricating a hard mask |
JP2002194547A (ja) * | 2000-06-08 | 2002-07-10 | Applied Materials Inc | アモルファスカーボン層の堆積方法 |
TWI276153B (en) * | 2001-11-12 | 2007-03-11 | Hynix Semiconductor Inc | Method for fabricating semiconductor device |
US7354847B2 (en) * | 2004-01-26 | 2008-04-08 | Taiwan Semiconductor Manufacturing Company | Method of trimming technology |
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KR100598105B1 (ko) | 2006-07-07 |
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KR20050119910A (ko) | 2005-12-22 |
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