JP6770825B2 - 基板処理方法及び基板処理装置 - Google Patents
基板処理方法及び基板処理装置 Download PDFInfo
- Publication number
- JP6770825B2 JP6770825B2 JP2016089146A JP2016089146A JP6770825B2 JP 6770825 B2 JP6770825 B2 JP 6770825B2 JP 2016089146 A JP2016089146 A JP 2016089146A JP 2016089146 A JP2016089146 A JP 2016089146A JP 6770825 B2 JP6770825 B2 JP 6770825B2
- Authority
- JP
- Japan
- Prior art keywords
- gas
- fluorine
- nitrogen
- gas supply
- based gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000000758 substrate Substances 0.000 title claims description 32
- 238000003672 processing method Methods 0.000 title claims description 9
- 239000007789 gas Substances 0.000 claims description 291
- 229910052731 fluorine Inorganic materials 0.000 claims description 125
- 239000011737 fluorine Substances 0.000 claims description 124
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 120
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 82
- 238000010926 purge Methods 0.000 claims description 79
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 78
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 34
- 229910052757 nitrogen Inorganic materials 0.000 claims description 34
- 229910052710 silicon Inorganic materials 0.000 claims description 33
- 239000010703 silicon Substances 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 20
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 9
- 238000005530 etching Methods 0.000 description 67
- 235000012431 wafers Nutrition 0.000 description 42
- 238000000034 method Methods 0.000 description 33
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 11
- 230000006870 function Effects 0.000 description 9
- 125000001153 fluoro group Chemical group F* 0.000 description 8
- 239000002052 molecular layer Substances 0.000 description 6
- ZEIYBPGWHWECHV-UHFFFAOYSA-N nitrosyl fluoride Chemical compound FN=O ZEIYBPGWHWECHV-UHFFFAOYSA-N 0.000 description 6
- 239000004157 Nitrosyl chloride Substances 0.000 description 5
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 5
- VPCDQGACGWYTMC-UHFFFAOYSA-N nitrosyl chloride Chemical compound ClN=O VPCDQGACGWYTMC-UHFFFAOYSA-N 0.000 description 5
- 235000019392 nitrosyl chloride Nutrition 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000010410 layer Substances 0.000 description 3
- 150000003376 silicon Chemical class 0.000 description 3
- 238000001179 sorption measurement Methods 0.000 description 3
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- 239000002344 surface layer Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- -1 for example Substances 0.000 description 2
- 238000007788 roughening Methods 0.000 description 2
- ZQXCQTAELHSNAT-UHFFFAOYSA-N 1-chloro-3-nitro-5-(trifluoromethyl)benzene Chemical compound [O-][N+](=O)C1=CC(Cl)=CC(C(F)(F)F)=C1 ZQXCQTAELHSNAT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- UJMWVICAENGCRF-UHFFFAOYSA-N oxygen difluoride Chemical compound FOF UJMWVICAENGCRF-UHFFFAOYSA-N 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion 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
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
- H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
- H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
- H01L21/0228—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition deposition by cyclic CVD, e.g. ALD, ALE, pulsed CVD
-
- 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
- H01L21/28158—Making the insulator
- H01L21/28167—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation
- H01L21/28194—Making the insulator on single crystalline silicon, e.g. using a liquid, i.e. chemical oxidation by deposition, e.g. evaporation, ALD, CVD, sputtering, laser deposition
-
- 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67069—Apparatus for fluid treatment for etching for drying 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
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67248—Temperature monitoring
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
Description
F2 + NO → FNO↑ + F* …(1)
F* + SiFx(xは1〜3の自然数) → SiF4↑ …(2)
Si + 2F2 → SiF2−F2(吸着) …(3)
SiF2−F2 + NO → SiF3 + FNO↑ …(4)
SiF3 + F2 → SiF3−F2(吸着) …(5)
SiF3−F2 + NO → SiF4↑+ FNO↑ …(6)
10 エッチング装置
11 チャンバ
18 弗素ガス供給系
19 一酸化窒素ガス供給系
20 パージガス供給系
30 温度調整器
31 制御ユニット
Claims (4)
- シリコン系の膜を有する基板を収容する処理室の内部に弗素系ガスを供給する弗素系ガス供給ステップと、
前記供給された弗素系ガスを排出するためのパージガスを前記処理室の内部に供給するパージガス供給ステップと、
前記弗素系ガスが排出された前記処理室の内部に窒素系ガスを供給する窒素系ガス供給ステップと、
前記供給された窒素系ガスを排出するためのパージガスを前記処理室の内部に供給する他のパージガス供給ステップと、を有し、
前記弗素系ガス供給ステップ、前記パージガス供給ステップ、前記窒素系ガス供給ステップ及び前記他のパージガス供給ステップを経て前記シリコン系の膜がエッチングされ、
前記弗素系ガス供給ステップ、前記パージガス供給ステップ、前記窒素系ガス供給ステップ及び前記他のパージガス供給ステップにおいてプラズマを用いず、
前記弗素系ガス供給ステップ、前記パージガス供給ステップ、前記窒素系ガス供給ステップ及び前記他のパージガス供給ステップをこの順で繰り返し、
少なくとも前記弗素系ガス供給ステップ及び前記パージガス供給ステップにおいて前記基板の温度を60℃以下に維持することを特徴とする基板処理方法。 - 前記弗素系ガスは弗素(F2)ガスであることを特徴とする請求項1に記載の基板処理方法。
- 前記窒素系ガスは一酸化窒素(NO)ガスであることを特徴とする請求項1又は2に記載の基板処理方法。
- シリコン系の膜を有する基板を収容する処理室を備える基板処理装置であって、
前記処理室の内部に弗素系ガスを供給する弗素系ガス供給系と、
前記処理室の内部にパージガスを供給するパージガス供給系と、
前記処理室の内部に窒素系ガスを供給する窒素系ガス供給系と、
前記基板の温度を調整する温度調整器と、
各構成要素の動作を制御する制御部とを備え、
前記制御部は、前記弗素系ガス供給系、前記パージガス供給系及び前記窒素系ガス供給系を用いて前記処理室の内部に前記弗素系ガスを供給し、前記供給された弗素系ガスを排出するためのパージガスを前記処理室の内部に供給し、前記弗素系ガスが排出された前記処理室の内部に前記窒素系ガスを供給し、さらに、前記供給された窒素系ガスを排出するためのパージガスを前記処理室の内部に供給し、
前記弗素系ガスの供給、前記弗素系ガスを排出するためのパージガスの供給、前記窒素系ガスの供給及び前記窒素系ガスを排出するためのパージガスの供給を経て前記シリコン系の膜がエッチングされ、
前記弗素系ガスの供給、前記弗素系ガスを排出するためのパージガスの供給、前記窒素系ガスの供給及び前記窒素系ガスを排出するためのパージガスの供給においてプラズマを用いず、
前記制御部は、前記弗素系ガスの供給、前記弗素系ガスを排出するためのパージガスの供給、前記窒素系ガスの供給及び前記窒素系ガスを排出するためのパージガスをこの順で繰り返し、前記温度調整器を用いて前記処理室の内部に前記弗素系ガス及び前記パージガスが供給される際、前記基板の温度を60℃以下に維持することを特徴とする基板処理装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016089146A JP6770825B2 (ja) | 2016-04-27 | 2016-04-27 | 基板処理方法及び基板処理装置 |
US15/486,145 US10312101B2 (en) | 2016-04-27 | 2017-04-12 | Substrate processing method and substrate processing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016089146A JP6770825B2 (ja) | 2016-04-27 | 2016-04-27 | 基板処理方法及び基板処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017199782A JP2017199782A (ja) | 2017-11-02 |
JP6770825B2 true JP6770825B2 (ja) | 2020-10-21 |
Family
ID=60156909
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016089146A Active JP6770825B2 (ja) | 2016-04-27 | 2016-04-27 | 基板処理方法及び基板処理装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10312101B2 (ja) |
JP (1) | JP6770825B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7114554B2 (ja) | 2019-11-22 | 2022-08-08 | 株式会社Kokusai Electric | 基板処理方法、半導体装置の製造方法、基板処理装置、およびプログラム |
JP7182577B2 (ja) * | 2020-03-24 | 2022-12-02 | 株式会社Kokusai Electric | 基板処理方法、半導体装置の製造方法、基板処理装置、およびプログラム |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0582450A (ja) * | 1991-09-20 | 1993-04-02 | Fujitsu Ltd | 半導体装置製造用気相反応装置 |
US20050082002A1 (en) | 2003-08-29 | 2005-04-21 | Yuusuke Sato | Method of cleaning a film-forming apparatus and film-forming apparatus |
JP4739709B2 (ja) * | 2003-08-29 | 2011-08-03 | レール・リキード−ソシエテ・アノニム・プール・レテュード・エ・レクスプロワタシオン・デ・プロセデ・ジョルジュ・クロード | 成膜装置のクリーニング方法 |
JP4968861B2 (ja) * | 2009-03-19 | 2012-07-04 | 東京エレクトロン株式会社 | 基板のエッチング方法及びシステム |
JP5549761B2 (ja) * | 2013-06-04 | 2014-07-16 | 東京エレクトロン株式会社 | 熱処理装置のクリーニング方法 |
JP2015192063A (ja) * | 2014-03-28 | 2015-11-02 | 東京エレクトロン株式会社 | アモルファスシリコン膜形成装置の洗浄方法、アモルファスシリコン膜の形成方法およびアモルファスシリコン膜形成装置 |
US9773683B2 (en) * | 2014-06-09 | 2017-09-26 | American Air Liquide, Inc. | Atomic layer or cyclic plasma etching chemistries and processes |
US20160181116A1 (en) * | 2014-12-18 | 2016-06-23 | Lam Research Corporation | Selective nitride etch |
US9502238B2 (en) * | 2015-04-03 | 2016-11-22 | Lam Research Corporation | Deposition of conformal films by atomic layer deposition and atomic layer etch |
-
2016
- 2016-04-27 JP JP2016089146A patent/JP6770825B2/ja active Active
-
2017
- 2017-04-12 US US15/486,145 patent/US10312101B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2017199782A (ja) | 2017-11-02 |
US10312101B2 (en) | 2019-06-04 |
US20170316947A1 (en) | 2017-11-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5254351B2 (ja) | 酸化物スペーサを使用したピッチ低減 | |
US9318341B2 (en) | Methods for etching a substrate | |
US9653326B2 (en) | Method of cleaning, method of manufacturing semiconductor device, substrate processing apparatus, and recording medium | |
JP5275093B2 (ja) | 基板処理方法 | |
JP4818140B2 (ja) | 基板の処理方法及び基板処理装置 | |
JP2010219106A (ja) | 基板処理方法 | |
US9966261B1 (en) | Method of manufacturing semiconductor device | |
US20070170146A1 (en) | Fin structure formation | |
JP6770825B2 (ja) | 基板処理方法及び基板処理装置 | |
TWI719198B (zh) | 用於化學蝕刻矽的方法 | |
JP2012134199A (ja) | 炭素含有薄膜のスリミング方法及び酸化装置 | |
JPWO2012018010A1 (ja) | 基板処理方法および基板処理装置 | |
JP4849614B2 (ja) | 基板処理方法及び基板処理システム | |
US20230395400A1 (en) | Etching method and etching apparatus | |
US8034720B2 (en) | Substrate processing method and substrate processing apparatus | |
JP2016201476A (ja) | プラズマエッチング方法、パターン形成方法及びクリーニング方法 | |
JP2019129313A (ja) | エッチング方法 | |
WO2022220170A1 (ja) | エッチング方法及び処理装置 | |
KR102111876B1 (ko) | 기판 처리 방법 및 붕소 첨가 규소의 제거 방법 | |
JP7462065B2 (ja) | 基板処理方法、半導体装置の製造方法、プログラム、および基板処理装置 | |
JP5344824B2 (ja) | レジストパターンの形成方法および記録媒体 | |
JP2019201102A (ja) | シリコン含有膜のエッチング方法、コンピュータ記憶媒体、及びシリコン含有膜のエッチング装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20181102 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20190819 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190910 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20191031 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20200204 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200325 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200901 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200928 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6770825 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |