JP7387377B2 - プラズマエッチング方法及びプラズマエッチング装置 - Google Patents
プラズマエッチング方法及びプラズマエッチング装置 Download PDFInfo
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- JP7387377B2 JP7387377B2 JP2019191029A JP2019191029A JP7387377B2 JP 7387377 B2 JP7387377 B2 JP 7387377B2 JP 2019191029 A JP2019191029 A JP 2019191029A JP 2019191029 A JP2019191029 A JP 2019191029A JP 7387377 B2 JP7387377 B2 JP 7387377B2
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- 238000000034 method Methods 0.000 title claims description 85
- 238000001020 plasma etching Methods 0.000 title claims description 30
- 238000005530 etching Methods 0.000 claims description 46
- 239000002994 raw material Substances 0.000 claims description 29
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 26
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 claims description 25
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 22
- 229910052710 silicon Inorganic materials 0.000 claims description 22
- 239000010703 silicon Substances 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 9
- 229910052731 fluorine Inorganic materials 0.000 claims description 7
- 239000011737 fluorine Substances 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 150000001721 carbon Chemical group 0.000 claims description 4
- 102220470103 Amidophosphoribosyltransferase_C12F_mutation Human genes 0.000 claims 1
- 239000007789 gas Substances 0.000 description 113
- 239000004065 semiconductor Substances 0.000 description 18
- 239000006200 vaporizer Substances 0.000 description 10
- 239000011261 inert gas Substances 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000012159 carrier gas Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 230000008016 vaporization Effects 0.000 description 3
- 239000011203 carbon fibre reinforced carbon Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052760 oxygen Chemical group 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- CREMABGTGYGIQB-UHFFFAOYSA-N carbon carbon Chemical compound C.C CREMABGTGYGIQB-UHFFFAOYSA-N 0.000 description 1
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000001301 oxygen Chemical group 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 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
- H01L21/04—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
- H01L21/31105—Etching inorganic layers
- H01L21/31111—Etching inorganic layers by chemical means
- H01L21/31116—Etching inorganic layers by chemical means by dry-etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/3244—Gas supply means
- H01J37/32449—Gas control, e.g. control of the gas flow
-
- 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
- H01L21/31144—Etching the insulating layers by chemical or physical means using masks
-
- 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
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/006—Details of gas supplies, e.g. in an ion source, to a beam line, to a specimen or to a workpiece
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/334—Etching
- H01J2237/3341—Reactive etching
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
17…原料タンク、18…液体流量制御器、19…気化器、20…配管、24,26ヒータ、28…気体流量制御器。
Claims (5)
- フルオロカーボンガスを含むプラズマによりシリコン含有膜をエッチングする方法において、
前記フルオロカーボンガスは、炭素及びフッ素に関してCxFy(x及びyは、x≧7かつy≧xを満足する数である。)で表される組成を有し、かつ6個の炭素原子で構成されるベンゼン環構造を備える、プラズマエッチング方法。 - 前記フルオロカーボンガスは、前記ベンゼン環構造における少なくとも1つの炭素原子にCF3基、CF2基、及びCF基から選ばれる少なくとも1つを含む基が結合した構造を有する、請求項1に記載のプラズマエッチング方法。
- 前記フルオロカーボンガスは、C7F8ガス、C8F8ガス、C8F10ガス、C9F10ガス、C9F12ガス、C10F10ガス、C10F14ガス、C12F12ガス、及びC12F18ガスからなる群から選ばれる少なくとも1つを含む、請求項1に記載のプラズマエッチング方法。
- 基板のエッチング処理が行われるチャンバと、
前記チャンバ内に配置された電極と、
炭素及びフッ素に関してCxFy(x及びyは、x≧7かつy≧xを満足する数である。)で表される組成を有し、かつ6個の炭素原子で構成されるベンゼン環構造を備えるフルオロカーボンの液体又は固体原料を気化し、得られたフルオロカーボンガスを流量を制御して前記チャンバ内に導入するプロセスガス導入系と、
前記フルオロカーボンガスを含むプラズマを生じさせる電圧を前記電極に印加する電源と
を具備するプラズマエッチング装置。 - 前記フルオロカーボンは、前記ベンゼン環構造における少なくとも1つの炭素原子にCF3基、CF2基、及びCF基から選ばれる少なくとも1つを含む基が結合した構造を有する、請求項4に記載のプラズマエッチング装置。
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JP2019191029A JP7387377B2 (ja) | 2019-10-18 | 2019-10-18 | プラズマエッチング方法及びプラズマエッチング装置 |
US17/010,907 US11476122B2 (en) | 2019-10-18 | 2020-09-03 | Plasma etching method and plasma etching apparatus |
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JP7381912B2 (ja) * | 2021-10-13 | 2023-11-16 | ダイキン工業株式会社 | フッ素含有芳香族化合物の製造方法 |
JP7385142B2 (ja) * | 2021-11-01 | 2023-11-22 | ダイキン工業株式会社 | エッチングガス及びそれを用いたエッチング方法 |
Citations (6)
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JP2002359229A (ja) | 2001-06-01 | 2002-12-13 | Mitsubishi Electric Corp | 半導体装置の製造方法および半導体装置の製造装置 |
JP2006049771A (ja) | 2004-08-09 | 2006-02-16 | Tokyo Electron Ltd | エッチングガス,エッチング方法及びエッチングガスの評価方法 |
JP2010080798A (ja) | 2008-09-29 | 2010-04-08 | Renesas Technology Corp | 半導体集積回路装置および半導体集積回路装置の製造方法 |
JP2018195674A (ja) | 2017-05-16 | 2018-12-06 | 東京エレクトロン株式会社 | プラズマ処理装置、処理システム、及び、多孔質膜をエッチングする方法 |
US20190057878A1 (en) | 2016-10-13 | 2019-02-21 | Kanto Denka Kogyo Co., Ltd. | Gas composition for dry etching and dry etching method |
WO2019038848A1 (ja) | 2017-08-23 | 2019-02-28 | 三菱電機株式会社 | 映像コンテンツ媒体および映像再生装置 |
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JP3252518B2 (ja) | 1993-03-19 | 2002-02-04 | ソニー株式会社 | ドライエッチング方法 |
US7794616B2 (en) * | 2004-08-09 | 2010-09-14 | Tokyo Electron Limited | Etching gas, etching method and etching gas evaluation method |
JP2011192664A (ja) * | 2010-03-11 | 2011-09-29 | 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 |
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JP6327295B2 (ja) | 2015-08-12 | 2018-05-23 | セントラル硝子株式会社 | ドライエッチング方法 |
JP6441994B2 (ja) | 2017-05-16 | 2018-12-19 | 東京エレクトロン株式会社 | 多孔質膜をエッチングする方法 |
CN110520401B (zh) * | 2017-06-30 | 2022-05-10 | 中央硝子株式会社 | 1,3-二氯-3,3-二氟丙烯的制备方法 |
JP6945385B2 (ja) | 2017-08-14 | 2021-10-06 | 東京エレクトロン株式会社 | プラズマ処理方法及びプラズマ処理装置 |
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JP2006049771A (ja) | 2004-08-09 | 2006-02-16 | Tokyo Electron Ltd | エッチングガス,エッチング方法及びエッチングガスの評価方法 |
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