JP6059657B2 - 半導体製造システム及び方法 - Google Patents
半導体製造システム及び方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims description 160
- 238000004519 manufacturing process Methods 0.000 title claims description 15
- 239000004065 semiconductor Substances 0.000 title claims description 15
- 238000005530 etching Methods 0.000 claims description 258
- 238000012545 processing Methods 0.000 claims description 222
- 239000007789 gas Substances 0.000 claims description 181
- 230000008569 process Effects 0.000 claims description 136
- 238000004140 cleaning Methods 0.000 claims description 69
- 239000000758 substrate Substances 0.000 claims description 46
- 239000007795 chemical reaction product Substances 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 20
- 230000007704 transition Effects 0.000 claims description 13
- 230000032258 transport Effects 0.000 claims description 11
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical class 0.000 claims description 8
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052731 fluorine Inorganic materials 0.000 claims description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 1
- 235000012431 wafers Nutrition 0.000 description 84
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 51
- 229920005591 polysilicon Polymers 0.000 description 51
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 46
- 229910052814 silicon oxide Inorganic materials 0.000 description 44
- 229910052581 Si3N4 Inorganic materials 0.000 description 20
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 20
- 239000002245 particle Substances 0.000 description 16
- 229920002120 photoresistant polymer Polymers 0.000 description 14
- 125000006850 spacer group Chemical group 0.000 description 12
- 238000005108 dry cleaning Methods 0.000 description 11
- 230000005284 excitation Effects 0.000 description 11
- 239000004020 conductor Substances 0.000 description 10
- 238000005229 chemical vapour deposition Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 235000011194 food seasoning agent Nutrition 0.000 description 6
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 229910052734 helium Inorganic materials 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000000059 patterning Methods 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- PIGFYZPCRLYGLF-UHFFFAOYSA-N Aluminum nitride Chemical compound [Al]#N PIGFYZPCRLYGLF-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
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- 238000001816 cooling Methods 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
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- 230000036470 plasma concentration Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
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- H01L21/3105—After-treatment
- H01L21/311—Etching the insulating layers by chemical or physical means
- H01L21/31105—Etching inorganic layers
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- 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
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- 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
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
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- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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- H01L21/67017—Apparatus for fluid treatment
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- H01L21/67069—Apparatus for fluid treatment for etching for drying etching
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- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
Description
以下のように、酸化シリコン膜のスペーサエッチングからポリシリコン膜のエッチングに切り替えた。そして、切り替え後のポリシリコン膜のエッチングレート及びパーティクルの発生量を測定した。
以下のように、ポリシリコン膜のエッチングから酸化シリコン膜のスペーサエッチングに切り替えた。そして、切り替え後の酸化シリコン膜のエッチングレート及びパーティクルの発生量を測定した。
実施例3においては、酸化シリコン膜及びポリシリコン膜を含む多層膜が積層されたウェハを用い、ウェハ上の酸化シリコン膜をエッチングする工程(第二のエッチング工程)からウェハ上のポリシリコン膜をエッチングする工程(第一のエッチング工程)に移行する間に、切替え処理(第二の切替え処理)を行う。この切替え処理は、ウェハを載置台に置いた状態で、処理容器内に酸素を含むクリーニングガスを導入し、クリーニングガスをプラズマ化させてウェハ上及び処理容器内に堆積したC,CF等の反応生成物を除去する。C,CF等の反応生成物は、ウェハ上の酸化シリコン膜をエッチングする工程(第二のエッチング工程)に起因して生じたものである。
2a…ゲート電極
5…酸化シリコン膜(絶縁膜)
5a…スペーサ
10…処理容器
54…スロットアンテナ板
7,8…ロードロックモジュール
6…真空搬送モジュール
PM1〜PM4…プロセスモジュール
W…ウェハ(基板)
S1…第一のエッチング工程
S2…第一の切替え処理工程
S3…第二のエッチング工程
S4…第二の切替え処理工程
Claims (3)
- 基板を収容する搬入モジュールと、
エッチング装置を含み、基板に処理を施す複数のプロセスモジュールと、
処理がなされた基板を収容する搬出モジュールと、
前記搬入モジュール、前記複数のプロセスモジュール及び前記搬出モジュール間で基板を搬送する搬送モジュールと、
前記搬入モジュール、前記複数のプロセスモジュール、前記搬出モジュール及び前記搬送モジュールを統括して制御する統括制御装置と、を備え、
前記搬送モジュールが前記搬入モジュールに収容された基板を前記プロセスモジュールに搬送し、前記プロセスモジュールで処理がなされた基板を前記搬出モジュールに搬送する半導体製造システムにおいて、
前記エッチング装置は、
処理容器に第一の処理ガスを導入し、前記第一の処理ガスをプラズマ化させて基板上の膜をエッチングする第一のエッチング、及び前記処理容器に前記第一の処理ガスとガス種の異なる第二の処理ガスを導入し、前記第二の処理ガスをプラズマ化させて前記膜と膜種の異なる基板上の膜をエッチングする第二のエッチングを、同一の前記処理容器内において切り替えて行い、
前記第一のエッチングから前記第二のエッチングに移行する間に、前記処理容器にクリーニングガスを導入し、クリーニングガスをプラズマ化させて前記第一のエッチングにおいて前記処理容器内に堆積した反応生成物を除去し、
前記第二のエッチングから前記第一のエッチングに移行する間に、前記処理容器にクリーニングガスを導入し、クリーニングガスをプラズマ化させて前記第二のエッチングにおいて前記処理容器内に堆積した反応生成物を除去する制御部を備え、
前記統括制御装置は、オペレータが切替えスイッチを操作したとき、又は前記複数のプロセスモジュールのいずれかで発生した障害を検知したとき、前記エッチング装置に切替え信号を送信し、
前記エッチング装置は、前記統括制御装置からの切替え信号を受信したとき、前記第一のエッチングと前記第二のエッチングとを切り替える制御部を備える半導体製造システム。 - 搬送モジュールが搬入モジュールに収容された基板をエッチング方法を行う複数のプロセスモジュールに搬送し、前記複数のプロセスモジュールで処理がなされた基板を搬出モジュールに搬送する半導体製造方法において、
前記エッチング方法は、
処理容器に第一の処理ガスを導入し、前記第一の処理ガスをプラズマ化させて基板上の膜をエッチングする第一のエッチング工程と、
前記処理容器に前記第一の処理ガスとガス種の異なる第二の処理ガスを導入し、前記第二の処理ガスをプラズマ化させて前記膜と膜種の異なる基板上の膜をエッチングする第二のエッチング工程と、を備え、
同一の前記処理容器内において前記第一のエッチング工程と前記第二のエッチング工程とを切り替えて行い、
前記第一のエッチング工程から前記第二のエッチング工程に移行する間に、前記処理容器にクリーニングガスを導入し、クリーニングガスをプラズマ化させて前記第一のエッチング工程において前記処理容器内に堆積した反応生成物を除去する第一の切替え処理工程を行い、及び/又は、前記第二のエッチング工程から前記第一のエッチング工程に移行する間に、前記処理容器にクリーニングガスを導入し、クリーニングガスをプラズマ化させて前記第二のエッチング工程において前記処理容器内に堆積した反応生成物を除去する第二の切替え処理工程を行い、
前記半導体製造方法は、
オペレータが切替えスイッチを操作したとき、又は前記複数のプロセスモジュールのいずれかで発生した障害を検知したとき、切替え信号を送信し、
前記エッチング方法は、前記切替え信号を受信したとき、前記第一のエッチングと前記第二のエッチングとを切り替える半導体製造方法。 - 前記第一のエッチング工程において、前記処理容器にハロゲン元素を含む前記第一の処理ガスを導入し、前記第一の処理ガスをプラズマ化させて基板に形成されたシリコンを含む膜をエッチングし、
前記第二のエッチング工程において、前記処理容器に炭素及びフッ素を含む前記第二の処理ガスを導入し、前記第二の処理ガスをプラズマ化させて基板に形成された絶縁膜をエッチングし、
前記第二のエッチング工程から前記第一のエッチングに移行する間の前記第二の切替え処理工程において、前記処理容器に酸素を含むクリーニングガスを導入し、クリーニングガスをプラズマ化させて前記第二のエッチング工程において基板上及び前記処理容器内に堆積した反応生成物を除去することを特徴とする請求項2に記載の半導体製造方法。
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JP2011155171 | 2011-07-13 | ||
JP2011155171 | 2011-07-13 | ||
PCT/JP2012/067792 WO2013008878A1 (ja) | 2011-07-13 | 2012-07-12 | エッチング方法及び装置 |
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JPWO2013008878A1 JPWO2013008878A1 (ja) | 2015-02-23 |
JP6059657B2 true JP6059657B2 (ja) | 2017-01-11 |
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US (1) | US9218983B2 (ja) |
JP (1) | JP6059657B2 (ja) |
KR (1) | KR101903215B1 (ja) |
TW (1) | TWI518217B (ja) |
WO (1) | WO2013008878A1 (ja) |
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JP2015018876A (ja) * | 2013-07-09 | 2015-01-29 | 株式会社アルバック | 反応装置のコンディショニング方法 |
US9966312B2 (en) * | 2015-08-25 | 2018-05-08 | Tokyo Electron Limited | Method for etching a silicon-containing substrate |
JP2017045849A (ja) * | 2015-08-26 | 2017-03-02 | 東京エレクトロン株式会社 | シーズニング方法およびエッチング方法 |
US10381238B2 (en) * | 2017-03-03 | 2019-08-13 | Tokyo Electron Limited | Process for performing self-limited etching of organic materials |
KR102582762B1 (ko) * | 2017-05-11 | 2023-09-25 | 주성엔지니어링(주) | 기판 처리 방법 및 그를 이용한 유기 발광 소자 제조 방법 |
JP7071850B2 (ja) * | 2017-05-11 | 2022-05-19 | 東京エレクトロン株式会社 | エッチング方法 |
JP2020017569A (ja) * | 2018-07-23 | 2020-01-30 | 東京エレクトロン株式会社 | エッチング方法及びエッチング装置 |
JP7072477B2 (ja) | 2018-09-20 | 2022-05-20 | 東京エレクトロン株式会社 | プラズマ処理方法およびプラズマ処理装置 |
JP7403314B2 (ja) * | 2019-12-26 | 2023-12-22 | 東京エレクトロン株式会社 | エッチング方法及びエッチング装置 |
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JPH05291213A (ja) | 1992-04-09 | 1993-11-05 | Fujitsu Ltd | 半導体製造装置の清浄方法 |
KR100293830B1 (ko) * | 1992-06-22 | 2001-09-17 | 리차드 에이치. 로브그렌 | 플라즈마 처리 쳄버내의 잔류물 제거를 위한 플라즈마 정결방법 |
JP3175117B2 (ja) | 1993-05-24 | 2001-06-11 | 東京エレクトロン株式会社 | ドライクリーニング方法 |
JPH10280151A (ja) | 1997-04-08 | 1998-10-20 | Fujitsu Ltd | Cvd装置のクリーニング方法 |
JP2000003905A (ja) * | 1998-06-16 | 2000-01-07 | Hitachi Ltd | エッチング装置および半導体装置の製造方法 |
JP2003077900A (ja) * | 2001-09-06 | 2003-03-14 | Hitachi Ltd | 半導体装置の製造方法 |
JP2004221313A (ja) * | 2003-01-15 | 2004-08-05 | Kawasaki Microelectronics Kk | 半導体製造工程の管理方法および半導体製造ラインの管理システム |
US8602716B2 (en) * | 2003-11-10 | 2013-12-10 | Brooks Automation, Inc. | Semiconductor manufacturing process modules |
JP4749683B2 (ja) * | 2004-06-08 | 2011-08-17 | 東京エレクトロン株式会社 | エッチング方法 |
US20050269294A1 (en) * | 2004-06-08 | 2005-12-08 | Tokyo Electron Limited | Etching method |
JP5160302B2 (ja) * | 2008-05-19 | 2013-03-13 | 株式会社東芝 | 半導体装置の製造方法 |
JP5396745B2 (ja) * | 2008-05-23 | 2014-01-22 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP2010118549A (ja) | 2008-11-13 | 2010-05-27 | Tokyo Electron Ltd | プラズマエッチング方法及びプラズマエッチング装置 |
JP2010056574A (ja) * | 2009-12-07 | 2010-03-11 | Nec Electronics Corp | 半導体装置の製造方法 |
JP2010093293A (ja) * | 2010-01-14 | 2010-04-22 | Canon Anelva Corp | 絶縁膜エッチング装置 |
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KR101903215B1 (ko) | 2018-10-01 |
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US9218983B2 (en) | 2015-12-22 |
KR20140051900A (ko) | 2014-05-02 |
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TW201323674A (zh) | 2013-06-16 |
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