KR20010072054A - 이방성 에칭 장치 및 방법 - Google Patents
이방성 에칭 장치 및 방법 Download PDFInfo
- Publication number
- KR20010072054A KR20010072054A KR1020017001053A KR20017001053A KR20010072054A KR 20010072054 A KR20010072054 A KR 20010072054A KR 1020017001053 A KR1020017001053 A KR 1020017001053A KR 20017001053 A KR20017001053 A KR 20017001053A KR 20010072054 A KR20010072054 A KR 20010072054A
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- South Korea
- Prior art keywords
- etching
- substrate
- film
- passivation layer
- plasma
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 111
- 238000005530 etching Methods 0.000 title claims abstract description 73
- 239000000463 material Substances 0.000 claims abstract description 67
- 238000002161 passivation Methods 0.000 claims abstract description 67
- 239000000758 substrate Substances 0.000 claims abstract description 64
- 238000000151 deposition Methods 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 47
- 239000000126 substance Substances 0.000 claims description 38
- 230000005855 radiation Effects 0.000 claims description 14
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 13
- 239000002243 precursor Substances 0.000 claims description 12
- 229910052710 silicon Inorganic materials 0.000 claims description 12
- 239000010703 silicon Substances 0.000 claims description 12
- 239000004065 semiconductor Substances 0.000 claims description 11
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 8
- 150000002500 ions Chemical class 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 229920000642 polymer Polymers 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000001965 increasing effect Effects 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical class CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- 238000003486 chemical etching Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 230000005684 electric field Effects 0.000 claims description 5
- 230000005686 electrostatic field Effects 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 238000006116 polymerization reaction Methods 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 229910052736 halogen Inorganic materials 0.000 claims description 4
- 239000011261 inert gas Substances 0.000 claims description 4
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Chemical class OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052697 platinum Inorganic materials 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 230000003068 static effect Effects 0.000 claims description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 3
- 239000000696 magnetic material Substances 0.000 claims description 3
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical class COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims description 2
- 125000005594 diketone group Chemical group 0.000 claims description 2
- 235000019253 formic acid Nutrition 0.000 claims description 2
- 150000002366 halogen compounds Chemical class 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 claims 1
- YRKCREAYFQTBPV-UHFFFAOYSA-N acetylacetone Chemical group CC(=O)CC(C)=O YRKCREAYFQTBPV-UHFFFAOYSA-N 0.000 claims 1
- QZPSXPBJTPJTSZ-UHFFFAOYSA-N aqua regia Chemical compound Cl.O[N+]([O-])=O QZPSXPBJTPJTSZ-UHFFFAOYSA-N 0.000 claims 1
- 150000001735 carboxylic acids Chemical class 0.000 claims 1
- 239000007769 metal material Substances 0.000 claims 1
- 239000005297 pyrex Substances 0.000 claims 1
- 238000000197 pyrolysis Methods 0.000 claims 1
- 210000002381 plasma Anatomy 0.000 description 56
- 239000010408 film Substances 0.000 description 22
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 230000008021 deposition Effects 0.000 description 9
- 238000001020 plasma etching Methods 0.000 description 8
- 239000002184 metal Substances 0.000 description 7
- 235000012239 silicon dioxide Nutrition 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 6
- 239000012159 carrier gas Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- 235000012431 wafers Nutrition 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 5
- 239000000377 silicon dioxide Substances 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000010849 ion bombardment Methods 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052786 argon Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- 238000009987 spinning Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- -1 ClF 3 Chemical class 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000005693 optoelectronics Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- JOHWNGGYGAVMGU-UHFFFAOYSA-N trifluorochlorine Chemical compound FCl(F)F JOHWNGGYGAVMGU-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
- B81C1/00555—Achieving a desired geometry, i.e. controlling etch rates, anisotropy or selectivity
- B81C1/00619—Forming high aspect ratio structures having deep steep walls
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- B01J12/00—Chemical processes in general for reacting gaseous media with gaseous media; Apparatus specially adapted therefor
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- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2445—Stationary reactors without moving elements inside placed in parallel
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/24—Inter-halogen compounds
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
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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
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- 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
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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
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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
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- 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
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- 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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- 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
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- 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
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- H—ELECTRICITY
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- 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
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—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
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- H—ELECTRICITY
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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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
- 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
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—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
- 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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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00054—Controlling or regulating the heat exchange system
- B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
- B01J2219/00058—Temperature measurement
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01J2219/00162—Controlling or regulating processes controlling the pressure
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- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
- B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
- B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
- B01J2219/0809—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes
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Abstract
Description
Claims (40)
- (a) 재료 또는 필름을 에칭하고;(b) 에칭된 부분의 표면에 패시베이션 층을 용착하거나 형성하며;(c) 재료 또는 필름 표면과 직각으로 에칭이 진행되도록 에칭된 부분으로부터 패시베이션 층을 선택적으로 제거하는 과정을 주기적으로 수행하고,(a) 또는 (b) 단계는 플라즈마의 부재하에 실시되는 재료 표면에 존재하는 기판 재료 또는 필름을 처리하는 방법.
- 제 1 항에 있어서, (a) 단계는 플라즈마의 부재하에 한 가지 이상의 적합한 화학 물질로 실시되는 것을 특징으로 하는 방법.
- 제 1항 또는 2항에 있어서, (a) 및 (b) 단계는 플라즈마의 존재하에 실시되는 것을 특징으로 하는 방법.
- 제 1항 내지 3항 중 한 항에 있어서, 재료 표면은 위에 정의된 마스크 패턴을 가지는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 재료 또는 필름은 유전체인 것을 특징으로 하는 방법.
- 제 5 항에 있어서, 재료 또는 필름은 산화물, 특히 실리콘, 석영, 유리, 파이렉스, CVD에 의해 용착된 SiO2또는, 열, 플라즈마나 산화물을 용착하는 다른 수단에 의해 증가된 SiO2인 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 재료 또는 필름은 HF로 에칭되는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, H2O 및 알코올은 (a) 단계에 존재하는 것을 특징으로 하는 방법.
- 제 1항 내지 4항 중 한 항에 있어서, 재료 또는 필름은 반도체, 특히 Si, SiGe 또는 Ge 반도체인 것을 특징으로 하는 방법.
- 제 9 항에 있어서, 상기 재료 또는 필름은 HF, HNO3과 CH3COOH 또는 할로겐 화합물만 포함하는 인터-할로겐 가스인, 할로겐을 함유한 화합물로 에칭되는 것을 특징으로 하는 방법.
- 제 1항 내지 4항 중 한 항에 있어서, 상기 재료 또는 필름은 전도체, 특히Au 또는 Pt 전도체인 것을 특징으로 하는 방법.
- 제 11 항에 있어서, 재료 또는 필름은 아쿠아 레지아(aqua regia)를 사용해 에칭되는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, N2나 다른 불활성 기체는 단계 (a)에 존재하고 본원 방법 단계 사이의 정화 가스로서 사용되는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 패시베이션 층은 화학 에칭에 저항을 가지는 표면에 형성되는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 패시베이션 층은 고분자를 사용해 용착되는 것을 특징으로 하는 방법.
- 제 15 항에 있어서, 고분자는 화학식 n(CxFy)로 형성되고, 여기에서 x와 y는 모든 적합한 값인 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 플라즈마가 단계(b)에 존재하지 않을 때, 광 증진 중합 과정은 패시베이션 층을 용착하는데 사용되는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 표면 방사에 의해 패시베이션 층을 선택적으로 제거할 수 있는 것을 특징으로 하는 방법.
- 제 18 항에 있어서, 방사는 열분해하기 위해서 물질 또는 필름의 정면 및 배면을 열 가열하거나, 물질 또는 필름의 정면에서 광원에 의해 광분해 되고, 방사 소오스는 엑시머 레이저인 것을 특징으로 하는 방법.
- 제 18항 또는 19항에 있어서, 방사는 에칭 정면 전파 방향과 평행하게 이루어지는 것을 특징으로 하는 방법.
- 제 18 항에 있어서, 표면 방사는 플라즈마이고, 플라즈마에서 이온 에너지는 10eV보다 큰 것을 특징으로 하는 방법.
- 제 21 항에 있어서, 플라즈마는 전구체 가스 또는 전구체 가스 혼합물을 포함하는 것을 특징으로 하는 방법.
- 제 22 항에 있어서, 전구체 가스는 패시베이션 층을 물리적으로 제거할 수 있는 불활성 가스 및 화학적 방법으로 패시베이션 층을 물리적으로 제거할 수 있는 가스를 포함하는 것을 특징으로 하는 방법.
- 제 22항 또는 23항에 있어서, 전구체 가스는 단계 (b)에서 패시베이션 층을 용착하는데 사용되는 물질 또는 단계 (a)에서 사용되는 에칭액을 포함하는 것을 특징으로 하는 방법.
- 상기 청구항에 있어서, 적용되는 모든 가스는 챔버에 로컬 배치된 방출 장치의 사용 지점에서 옮겨지는데 상기 챔버 내에서 본 발명에 따른 방법이 실시되는 것을 특징으로 하는 방법.
- 금속 및 자기 물질에서 형성된 필름 또는 기판 물질을 처리하기 위한 상기 청구항에 따른 방법에 있어서, 상기 프로세스는 에칭액으로서 하나 이상의 디케톤, 케토이민, 할로겐화 카르복실산, 아세트산과 포름산 및 헥사플루오르-2,4,-펜탄이온 및 그 밖의 플루오르화 아세틸-아세톤 그룹을 포함한 연장된 분자를 사용해 상승된 온도와 대기압 이상의 압력에서 작동되는 것을 특징으로 하는 방법.
- 상기 청구항에 따른 방법을 실시하기 위한 장치에 있어서, 상기 장치는 기판을 수용하기 위한 지지부가 배치된 화학 유입구와 배출구를 가지는 챔버를 포함하고, 하나 이상의 적합한 화학 물질로 재료 표면에 존재하는 필름 또는 기판 재료를 에칭하기 위한 수단, 에칭된 부분의 표면에 패시베이션 층을 용착하기 위한 수단 및, 물질 또는 필름 표면과 직각 방향으로 에칭이 진행되도록 에칭된 부분으로부터패시베이션 층을 선택적으로 제거하는 수단을 포함하는 것을 특징으로 하는 장치.
- 제 27 항에 있어서, 지지부는 제 1 전극 형태이고 제 2 전극은 제 1 전극과 이격 배치되는 것을 특징으로 하는 장치.
- 제 28 항에 있어서, 챔버 내 플라즈마에 RF 에너지 또는 마이크로파 에너지를 공급하기 위한 수단을 포함하는 것을 특징으로 하는 장치.
- 제 27항 내지 29항 중 한 항에 있어서, 하나 이상의 사이클 부분에 대해 기판으로 이온을 가속시키도록 지지부에 전기 바이어스를 제공하기 위한 수단을 포함하는 것을 특징으로 하는 장치.
- 제 27항 내지 30항 중 한 항에 있어서, 챔버로 방사 에너지를 공급하는 수단, 기판 온도를 제어하는 수단 및 에칭의 균질성을 높이기 위한 회전 수단을 포함하는 것을 특징으로 하는 장치.
- 제 27항 내지 31항 중 한 항에 있어서, 기판을 에칭하기 위한 수단, 패시베이션 층을 용착하기 위한 수단 및 패시베이션 층을 선택적으로 제거하기 위한 수단은 단일 챔버와 결합되는 것을 특징으로 하는 장치.
- 제 1항 내지 26항 중 한 항에 따른 방법을 실시하기 위한 장치에 있어서, 상기 장치는 한 가지 이상의 적합한 화학 물질로 물질 표면에 존재하는 필름 또는 기판 재료를 에칭하기 위한 수단, 에칭된 부분의 표면에 패시베이션 층을 용착하기 위한 수단 및, 물질 또는 필름 표면과 직각 방향으로 에칭되도록 에칭된 부분으로부터 패시베이션 층을 선택적으로 제거하는 수단을 포함하고 각각의 에칭 수단, 패시베이션 층을 용착하는 수단 및 패시베이션 층을 선택적으로 제거하는 수단은 기판이 배치된 동일한 챔버 또는 분리된 챔버와 결합되는 것을 특징으로 하는 장치.
- 내부에 놓인 기판을 에칭하기 위해 챔버로 증기를 이동하는 방법에 있어서,(a) 챔버로 들어가기 전에 물방울을 형성함으로써 챔버 안으로 용액을 공급하고;(b) 정전기에 의해 기판으로 물방울을 끌어당기도록 정전기장을 형성하여서 기판을 에칭하는 과정으로 이루어진 방법.
- 제 34 항에 있어서, 물방울은 챔버 안으로 물방울 유입부와 연결된 높은 전압 전원에 의해 발생된, 양 또는 음의 전하를 챔버로 들어가기 전에 띠는 것을 특징으로 하는 방법.
- 제 34항 또는 35항에 있어서, 정전기장의 세기는 2-30kV/mm의 범위 내에 잇는 것을 특징으로 하는 방법.
- 다수의 노즐이 배치된 유전체를 포함하고, 각각의 노즐은 몸체의 배면에서 정면으로 뻗어있으며, 몸체는 팁까지 각 노즐의 배면과 내면 사이에 연속 전기 경로를 형성하도록 금속화되는 것을 특징으로 하는 증기 방출 장치.
- 제 37 항에 있어서, 전원으로부터 몸체의 금속화 부분까지 전기 연결부를 포함하고 몸체의 다른 영역은 몸체를 가로질러 가변 전기장을 형성하도록 전원에 연결되는 것을 특징으로 하는 증기 방출 장치.
- 첨부 도면을 참고로 기술한 방에 따른, 청구항 1항에 따른 기판을 처리하는 방법.
- 첨부 도면에 나타내고 도면을 참고로 기술한 바에 따른 장치.
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9815931.2A GB9815931D0 (en) | 1998-07-23 | 1998-07-23 | Method and apparatus for anisotropic etching |
GBGB9823364.6A GB9823364D0 (en) | 1998-10-27 | 1998-10-27 | Method and apparatus for anisotropic etching |
GB9904925.6 | 1999-03-04 | ||
GBGB9904925.6A GB9904925D0 (en) | 1999-03-04 | 1999-03-04 | Gas delivery system |
GBGB9910725.2A GB9910725D0 (en) | 1999-05-11 | 1999-05-11 | Method and apparatus for antisotropic etching |
GB9815931.2 | 1999-05-18 | ||
GBGB9911401.9A GB9911401D0 (en) | 1999-05-18 | 1999-05-18 | Method and apparatus for anisotropic etching |
GB9910725.2 | 1999-05-18 | ||
GB9911401.9 | 1999-05-18 | ||
GB9823364.6 | 1999-05-18 |
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KR20010072054A true KR20010072054A (ko) | 2001-07-31 |
KR100639841B1 KR100639841B1 (ko) | 2006-10-27 |
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KR1020017001053A KR100639841B1 (ko) | 1998-07-23 | 1999-07-23 | 이방성 에칭 장치 및 방법 |
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US (1) | US7141504B1 (ko) |
EP (1) | EP1099244B1 (ko) |
JP (1) | JP4698024B2 (ko) |
KR (1) | KR100639841B1 (ko) |
AT (1) | ATE352868T1 (ko) |
DE (1) | DE69934986T2 (ko) |
WO (1) | WO2000005749A2 (ko) |
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1999
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- 1999-07-23 KR KR1020017001053A patent/KR100639841B1/ko not_active IP Right Cessation
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KR20170122247A (ko) * | 2015-03-26 | 2017-11-03 | 가부시키가이샤 스크린 홀딩스 | 기판 처리 장치 및 기판 처리 방법 |
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WO2000005749A2 (en) | 2000-02-03 |
ATE352868T1 (de) | 2007-02-15 |
WO2000005749A3 (en) | 2000-07-27 |
KR100639841B1 (ko) | 2006-10-27 |
US7141504B1 (en) | 2006-11-28 |
EP1099244B1 (en) | 2007-01-24 |
JP4698024B2 (ja) | 2011-06-08 |
EP1099244A2 (en) | 2001-05-16 |
JP2002521814A (ja) | 2002-07-16 |
DE69934986T2 (de) | 2007-11-08 |
DE69934986D1 (de) | 2007-03-15 |
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