JP5434970B2 - ドライエッチング剤 - Google Patents
ドライエッチング剤 Download PDFInfo
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- JP5434970B2 JP5434970B2 JP2011137022A JP2011137022A JP5434970B2 JP 5434970 B2 JP5434970 B2 JP 5434970B2 JP 2011137022 A JP2011137022 A JP 2011137022A JP 2011137022 A JP2011137022 A JP 2011137022A JP 5434970 B2 JP5434970 B2 JP 5434970B2
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- tetrafluoropropene
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- 239000007789 gas Substances 0.000 claims description 85
- 238000005530 etching Methods 0.000 claims description 81
- 238000001312 dry etching Methods 0.000 claims description 47
- 239000003795 chemical substances by application Substances 0.000 claims description 37
- 238000000034 method Methods 0.000 claims description 37
- CDOOAUSHHFGWSA-OWOJBTEDSA-N (e)-1,3,3,3-tetrafluoroprop-1-ene Chemical compound F\C=C\C(F)(F)F CDOOAUSHHFGWSA-OWOJBTEDSA-N 0.000 claims description 30
- 229910052739 hydrogen Inorganic materials 0.000 claims description 20
- 239000011261 inert gas Substances 0.000 claims description 15
- 230000001590 oxidative effect Effects 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 14
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 13
- 239000010703 silicon Substances 0.000 claims description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 12
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 11
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 11
- 239000000654 additive Substances 0.000 claims description 10
- 230000000996 additive effect Effects 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 229910002091 carbon monoxide Inorganic materials 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 5
- 239000002210 silicon-based material Substances 0.000 claims description 5
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229910052740 iodine Inorganic materials 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012239 silicon dioxide Nutrition 0.000 claims description 4
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 230000000052 comparative effect Effects 0.000 description 17
- 239000000463 material Substances 0.000 description 13
- 150000001875 compounds Chemical class 0.000 description 10
- 229910004298 SiO 2 Inorganic materials 0.000 description 9
- 238000012545 processing Methods 0.000 description 9
- 239000004065 semiconductor Substances 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 7
- 239000001301 oxygen Substances 0.000 description 7
- FXRLMCRCYDHQFW-UHFFFAOYSA-N 2,3,3,3-tetrafluoropropene Chemical compound FC(=C)C(F)(F)F FXRLMCRCYDHQFW-UHFFFAOYSA-N 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 6
- -1 octafluoropentadiene Chemical compound 0.000 description 6
- 239000000758 substrate Substances 0.000 description 6
- QQONPFPTGQHPMA-UHFFFAOYSA-N Propene Chemical class CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 238000001020 plasma etching Methods 0.000 description 5
- LGPPATCNSOSOQH-UHFFFAOYSA-N 1,1,2,3,4,4-hexafluorobuta-1,3-diene Chemical compound FC(F)=C(F)C(F)=C(F)F LGPPATCNSOSOQH-UHFFFAOYSA-N 0.000 description 4
- 125000004432 carbon atom Chemical group C* 0.000 description 4
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical class FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 4
- 229910052707 ruthenium Inorganic materials 0.000 description 4
- 229910021332 silicide Inorganic materials 0.000 description 4
- 229910052814 silicon oxide Inorganic materials 0.000 description 4
- IYRWEQXVUNLMAY-UHFFFAOYSA-N carbonyl fluoride Chemical compound FC(F)=O IYRWEQXVUNLMAY-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 229910052736 halogen Inorganic materials 0.000 description 3
- 150000002367 halogens Chemical class 0.000 description 3
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical compound FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- DMUPYMORYHFFCT-UHFFFAOYSA-N 1,2,3,3,3-pentafluoroprop-1-ene Chemical compound FC=C(F)C(F)(F)F DMUPYMORYHFFCT-UHFFFAOYSA-N 0.000 description 2
- CDOOAUSHHFGWSA-UHFFFAOYSA-N 1,3,3,3-tetrafluoropropene Chemical compound FC=CC(F)(F)F CDOOAUSHHFGWSA-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
- 150000002170 ethers Chemical class 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- WBCLXFIDEDJGCC-UHFFFAOYSA-N hexafluoro-2-butyne Chemical compound FC(F)(F)C#CC(F)(F)F WBCLXFIDEDJGCC-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 150000004767 nitrides Chemical class 0.000 description 2
- 229910052702 rhenium Inorganic materials 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- FFTOUVYEKNGDCM-OWOJBTEDSA-N (e)-1,3,3-trifluoroprop-1-ene Chemical compound F\C=C\C(F)F FFTOUVYEKNGDCM-OWOJBTEDSA-N 0.000 description 1
- DYLIWHYUXAJDOJ-OWOJBTEDSA-N (e)-4-(6-aminopurin-9-yl)but-2-en-1-ol Chemical compound NC1=NC=NC2=C1N=CN2C\C=C\CO DYLIWHYUXAJDOJ-OWOJBTEDSA-N 0.000 description 1
- DMUPYMORYHFFCT-UPHRSURJSA-N (z)-1,2,3,3,3-pentafluoroprop-1-ene Chemical compound F\C=C(/F)C(F)(F)F DMUPYMORYHFFCT-UPHRSURJSA-N 0.000 description 1
- NDMMKOCNFSTXRU-UHFFFAOYSA-N 1,1,2,3,3-pentafluoroprop-1-ene Chemical compound FC(F)C(F)=C(F)F NDMMKOCNFSTXRU-UHFFFAOYSA-N 0.000 description 1
- QAERDLQYXMEHEB-UHFFFAOYSA-N 1,1,3,3,3-pentafluoroprop-1-ene Chemical compound FC(F)=CC(F)(F)F QAERDLQYXMEHEB-UHFFFAOYSA-N 0.000 description 1
- HMAHQANPHFVLPT-UHFFFAOYSA-N 1,3,3-trifluoroprop-1-yne Chemical compound FC#CC(F)F HMAHQANPHFVLPT-UHFFFAOYSA-N 0.000 description 1
- FDMFUZHCIRHGRG-UHFFFAOYSA-N 3,3,3-trifluoroprop-1-ene Chemical compound FC(F)(F)C=C FDMFUZHCIRHGRG-UHFFFAOYSA-N 0.000 description 1
- 206010028980 Neoplasm Diseases 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
- 230000001133 acceleration Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000001993 dienes Chemical class 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000003682 fluorination reaction Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- OJCDKHXKHLJDOT-UHFFFAOYSA-N fluoro hypofluorite;silicon Chemical compound [Si].FOF OJCDKHXKHLJDOT-UHFFFAOYSA-N 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- KQHQLIAOAVMAOW-UHFFFAOYSA-N hafnium(4+) oxygen(2-) zirconium(4+) Chemical compound [O--].[O--].[O--].[O--].[Zr+4].[Hf+4] KQHQLIAOAVMAOW-UHFFFAOYSA-N 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- MSSNHSVIGIHOJA-UHFFFAOYSA-N pentafluoropropane Chemical compound FC(F)CC(F)(F)F MSSNHSVIGIHOJA-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920005591 polysilicon Polymers 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- WUAPFZMCVAUBPE-UHFFFAOYSA-N rhenium atom Chemical compound [Re] WUAPFZMCVAUBPE-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 230000002195 synergetic effect Effects 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
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium 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
- H01L21/04—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
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C21/00—Acyclic unsaturated compounds containing halogen atoms
- C07C21/02—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds
- C07C21/18—Acyclic unsaturated compounds containing halogen atoms containing carbon-to-carbon double bonds containing fluorine
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K13/00—Etching, surface-brightening or pickling compositions
- C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
- C09K13/08—Etching, surface-brightening or pickling compositions containing an inorganic acid containing a fluorine compound
-
- 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
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- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
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- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
Description
1,3,3,3−テトラフルオロプロペン、添加ガス、及び不活性ガスを含むドライエッチング剤。
添加ガスが酸化性、又は還元性ガスである、発明1に記載のドライエッチング剤。
酸化性、又は還元性ガスがH2、O2、O3、CO、CO2、COCl2、COF2、CF3OF、NO2、F2、NF3、Cl2、Br2、I2、CH4、C2H2、C2H4、C2H6、C3H4、C3H6、C3H8、HF、HI、HBr、HCl、NO、NH3、及びYFn(式中、YはCl、Br、又はIを表し、nは整数を表し、1≦n≦7である。)からなる群より選ばれる少なくとも1種のガスである、発明2に記載のドライエッチング剤。
不活性ガスがN2、He、Ar、Ne、及びKrからなる群より選ばれる少なくとも1種のガスである、発明1に記載のドライエッチング剤。
1,3,3,3−テトラフルオロプロペンの含有率が、1〜45体積%である発明1に記載のドライエッチング剤。
CF4、CF3H、CF2H2、CFH3、C2F6、C2F4H2、C2F5H、C3F8、C3F7H、C3F6H2、C3F5H3、C3F4H4、C3F3H5、C3F5H、C3F3H、C4F8、C4F6、C5F8、及びC5F10からなる群より選ばれる少なくとも1種のガスをさらに含む、発明1乃至発明5の何れかに記載のドライエッチング剤。
発明1乃至発明6の何れかに記載のドライエッチング剤をプラズマ化して得られるプラズマガスを用いて、二酸化シリコン、窒化シリコン、多結晶シリコン、アモルファスシリコン、及び炭化シリコンからなる群より選ばれる少なくとも1種のシリコン系材料を選択的にエッチングするドライエッチング方法。
(A)1,3,3,3−テトラフルオロプロペンと、(B)H2、O2、CO、及びCOF2からなる群より選ばれる少なくとも1種以上のガスと、Arを用い、(A)、(B)、及びArの体積流量比をそれぞれ1〜45%:1〜50%:5〜98%(但し、各々のガスの体積流量比の合計は100%である。)とし、二酸化シリコン、窒化シリコン、多結晶シリコン、アモルファスシリコン及び炭化シリコンからなる群より選ばれる少なくとも1種のシリコン系材料を選択的にエッチングするドライエッチング方法。
1. チャンバー
2. 圧力計
3. 高周波電源
4. 下部電極
5. 上部電極
6. ガス導入口
7. 排ガスライン
8. 試料
[図2の説明]
a. 側壁の削れ量
b. 開口部線幅
Claims (8)
- 1,3,3,3−テトラフルオロプロペン、添加ガス、及び不活性ガスを含むドライエッチング剤。
- 添加ガスが酸化性、又は還元性ガスである、請求項1に記載のドライエッチング剤。
- 酸化性、又は還元性ガスがH2、O2、O3、CO、CO2、COCl2、COF2、CF3OF、NO2、F2、NF3、Cl2、Br2、I2、CH4、C2H2,C2H4,C2H6、C3H4、C3H6、C3H8、HF、HI、HBr、HCl、NO、NH3、及びYFn(式中、YはCl、Br、又はIを表し、nは整数を表し、1≦n≦7である。)からなる群より選ばれる少なくとも1種のガスである、請求項2に記載のドライエッチング剤。
- 不活性ガスがN2、He、Ar、Ne、及びKrからなる群より選ばれる少なくとも1種のガスである、請求項1に記載のドライエッチング剤。
- 1,3,3,3−テトラフルオロプロペンの含有率が、1〜45体積%である請求項1に記載のドライエッチング剤。
- CF4、CF3H、CF2H2、CFH3、C2F6、C2F4H2、C2F5H、C3F8、C3F7H、C3F6H2、C3F5H3、C3F4H4、C3F3H5、C3F5H、C3F3H、C4F8、C4F6、C5F8、及びC5F10からなる群より選ばれる少なくとも1種のガスをさらに含む、請求項1乃至請求項5の何れかに記載のドライエッチング剤。
- 請求項1乃至請求項6の何れかに記載のドライエッチング剤をプラズマ化して得られるプラズマガスを用いて、二酸化シリコン、窒化シリコン、多結晶シリコン、アモルファスシリコン、及び炭化シリコンからなる群より選ばれる少なくとも1種のシリコン系材料を選択的にエッチングするドライエッチング方法。
- (A)1,3,3,3−テトラフルオロプロペンと、(B)H2、O2、CO、及びCOF2からなる群より選ばれる少なくとも1種以上のガスと、Arを用い、(A)、(B)、及びArの体積流量比をそれぞれ1〜45%:1〜50%:5〜98%(但し、各々のガスの体積流量比の合計は100%である。)とし、二酸化シリコン、窒化シリコン、多結晶シリコン、アモルファスシリコン、及び炭化シリコンからなる群より選ばれる少なくとも1種のシリコン系材料を選択的にエッチングするドライエッチング方法。
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Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5886214B2 (ja) * | 2013-01-17 | 2016-03-16 | Sppテクノロジーズ株式会社 | プラズマエッチング方法 |
US20160284523A1 (en) * | 2013-03-28 | 2016-09-29 | The Chemours Company Fc, Llc | Hydrofluoroolefin Etching Gas Mixtures |
JP6211947B2 (ja) * | 2013-07-31 | 2017-10-11 | 東京エレクトロン株式会社 | 半導体装置の製造方法 |
WO2015103003A1 (en) * | 2013-12-30 | 2015-07-09 | E. I. Du Pont De Nemours And Company | Chamber cleaning and semiconductor etching gases |
CN104022006B (zh) * | 2014-05-23 | 2016-10-26 | 深圳市华星光电技术有限公司 | 一种干蚀刻设备及方法 |
KR101953044B1 (ko) * | 2014-10-10 | 2019-02-27 | 칸토 덴카 코교 가부시키가이샤 | 규소 화합물용 에칭 가스 조성물 및 에칭 방법 |
KR102333443B1 (ko) * | 2014-10-24 | 2021-12-02 | 삼성전자주식회사 | 반도체 소자의 제조 방법 |
EP3038169A1 (en) * | 2014-12-22 | 2016-06-29 | Solvay SA | Process for the manufacture of solar cells |
JP6544215B2 (ja) * | 2015-01-23 | 2019-07-17 | セントラル硝子株式会社 | ドライエッチング方法 |
US9728422B2 (en) | 2015-01-23 | 2017-08-08 | Central Glass Company, Limited | Dry etching method |
KR20170121243A (ko) * | 2015-02-25 | 2017-11-01 | 어플라이드 머티어리얼스, 인코포레이티드 | 금속 질화물의 선택적 제거를 위해 알킬 아민들을 사용하기 위한 방법들 및 장치 |
JP2016178223A (ja) * | 2015-03-20 | 2016-10-06 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP2016178222A (ja) | 2015-03-20 | 2016-10-06 | ルネサスエレクトロニクス株式会社 | 半導体装置の製造方法 |
JP6788176B2 (ja) | 2015-04-06 | 2020-11-25 | セントラル硝子株式会社 | ドライエッチングガスおよびドライエッチング方法 |
JP6788177B2 (ja) * | 2015-05-14 | 2020-11-25 | セントラル硝子株式会社 | ドライエッチング方法、ドライエッチング剤及び半導体装置の製造方法 |
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 |
KR102496037B1 (ko) | 2016-01-20 | 2023-02-06 | 삼성전자주식회사 | 플라즈마 식각 방법 및 장치 |
JP6110530B2 (ja) * | 2016-02-10 | 2017-04-05 | Sppテクノロジーズ株式会社 | プラズマエッチング装置 |
CN108780749B (zh) * | 2016-03-16 | 2022-10-14 | 日本瑞翁株式会社 | 等离子体蚀刻方法 |
JP6670672B2 (ja) * | 2016-05-10 | 2020-03-25 | 東京エレクトロン株式会社 | エッチング方法 |
JP6323540B1 (ja) * | 2016-11-28 | 2018-05-16 | セントラル硝子株式会社 | ドライエッチング剤組成物及びドライエッチング方法 |
KR102303686B1 (ko) * | 2017-02-28 | 2021-09-17 | 샌트랄 글래스 컴퍼니 리미티드 | 드라이 에칭제, 드라이 에칭 방법 및 반도체 장치의 제조방법 |
JP6438511B2 (ja) * | 2017-03-09 | 2018-12-12 | Sppテクノロジーズ株式会社 | エッチング保護膜形成用デポガス、プラズマエッチング方法、及びプラズマエッチング装置 |
US11164751B2 (en) | 2017-06-08 | 2021-11-02 | Showa Denko K.K. | Etching method |
US11075084B2 (en) | 2017-08-31 | 2021-07-27 | L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude | Chemistries for etching multi-stacked layers |
US10586710B2 (en) * | 2017-09-01 | 2020-03-10 | Tokyo Electron Limited | Etching method |
KR102504833B1 (ko) | 2017-11-16 | 2023-03-02 | 삼성전자 주식회사 | 식각 가스 혼합물과 이를 이용한 패턴 형성 방법과 집적회로 소자의 제조 방법 |
JP6928548B2 (ja) * | 2017-12-27 | 2021-09-01 | 東京エレクトロン株式会社 | エッチング方法 |
CN110718459A (zh) * | 2018-07-13 | 2020-01-21 | 北京北方华创微电子装备有限公司 | 非等离子体刻蚀方法及刻蚀设备 |
US10593518B1 (en) * | 2019-02-08 | 2020-03-17 | Applied Materials, Inc. | Methods and apparatus for etching semiconductor structures |
WO2021260869A1 (ja) * | 2020-06-25 | 2021-12-30 | 株式会社日立ハイテク | 真空処理方法 |
JP2022159653A (ja) * | 2021-04-05 | 2022-10-18 | 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処理装置 |
WO2024009815A1 (ja) * | 2022-07-08 | 2024-01-11 | 東京エレクトロン株式会社 | 基板処理方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0897190A (ja) * | 1994-09-22 | 1996-04-12 | Ulvac Japan Ltd | 透明導電性膜のドライエッチング方法 |
JPH09191002A (ja) | 1996-01-10 | 1997-07-22 | Sony Corp | プラズマエッチング方法 |
US5814563A (en) * | 1996-04-29 | 1998-09-29 | Applied Materials, Inc. | Method for etching dielectric using fluorohydrocarbon gas, NH3 -generating gas, and carbon-oxygen gas |
JP3465865B2 (ja) | 1996-06-20 | 2003-11-10 | セントラル硝子株式会社 | 1,3,3,3−テトラフルオロプロペンの製造法 |
JP3821514B2 (ja) | 1996-06-20 | 2006-09-13 | セントラル硝子株式会社 | 1,3,3,3−テトラフルオロプロペンの製造法 |
JP2972786B2 (ja) | 1996-11-05 | 1999-11-08 | 工業技術院長 | ドライエッチング用ガス |
JPH10223614A (ja) | 1997-02-12 | 1998-08-21 | Daikin Ind Ltd | エッチングガスおよびクリーニングガス |
US6387287B1 (en) | 1998-03-27 | 2002-05-14 | Applied Materials, Inc. | Process for etching oxide using a hexafluorobutadiene and manifesting a wide process window |
US6426304B1 (en) | 2000-06-30 | 2002-07-30 | Lam Research Corporation | Post etch photoresist strip with hydrogen for organosilicate glass low-κ etch applications |
WO2002021586A1 (fr) * | 2000-09-07 | 2002-03-14 | Daikin Industries, Ltd. | Gaz d'attaque à sec et procédé correspondant |
US6540930B2 (en) | 2001-04-24 | 2003-04-01 | 3M Innovative Properties Company | Use of perfluoroketones as vapor reactor cleaning, etching, and doping gases |
JP3960095B2 (ja) | 2002-03-22 | 2007-08-15 | 日本ゼオン株式会社 | プラズマ反応用ガス及びその製造方法 |
US7547635B2 (en) | 2002-06-14 | 2009-06-16 | Lam Research Corporation | Process for etching dielectric films with improved resist and/or etch profile characteristics |
US7279451B2 (en) * | 2002-10-25 | 2007-10-09 | Honeywell International Inc. | Compositions containing fluorine substituted olefins |
WO2004109773A2 (en) | 2003-05-30 | 2004-12-16 | Tokyo Electron Limited | Method and system for heating a substrate using a plasma |
CN101124661A (zh) | 2004-05-11 | 2008-02-13 | 应用材料公司 | 碳氟化合物蚀刻化学剂中使用氢气添加剂的掺碳的硅氧化物蚀刻 |
US20060118519A1 (en) * | 2004-12-03 | 2006-06-08 | Applied Materials Inc. | Dielectric etch method with high source and low bombardment plasma providing high etch rates |
US7560602B2 (en) * | 2005-11-03 | 2009-07-14 | Honeywell International Inc. | Process for manufacture of fluorinated olefins |
JP2009526339A (ja) | 2006-02-10 | 2009-07-16 | ザイラテックス・テクノロジー・リミテッド | 位置誤差信号を生成する方法、データトラックを書き込む方法、並びに、ヘッドを検査するための方法および装置 |
US20080191163A1 (en) | 2007-02-09 | 2008-08-14 | Mocella Michael T | Laser-Assisted Etching Using Gas Compositions Comprising Unsaturated Fluorocarbons |
US7884254B2 (en) * | 2007-08-08 | 2011-02-08 | Honeywell International Inc. | Dehydrochlorination of hydrochlorofluorocarbons using pre-treated activated carbon catalysts |
JP2011124239A (ja) | 2008-03-31 | 2011-06-23 | Daikin Industries Ltd | ドライエッチングガス及びそれを用いたドライエッチング方法 |
JP5365064B2 (ja) | 2008-05-12 | 2013-12-11 | 日本ゼオン株式会社 | 新規含ハロゲン化合物及びそれらの製造方法 |
JP5277813B2 (ja) | 2008-09-11 | 2013-08-28 | セントラル硝子株式会社 | フッ素化プロペンの製造方法 |
US8518293B2 (en) * | 2010-09-03 | 2013-08-27 | Honeywell International Inc. | 1,3,3,3-tetrafluoropropene process azeotropes with HF |
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