KR101048009B1 - 기판 처리 방법 - Google Patents
기판 처리 방법 Download PDFInfo
- Publication number
- KR101048009B1 KR101048009B1 KR1020097004258A KR20097004258A KR101048009B1 KR 101048009 B1 KR101048009 B1 KR 101048009B1 KR 1020097004258 A KR1020097004258 A KR 1020097004258A KR 20097004258 A KR20097004258 A KR 20097004258A KR 101048009 B1 KR101048009 B1 KR 101048009B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- intermediate layer
- exposed
- etching
- opening
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 138
- 238000003672 processing method Methods 0.000 title claims abstract description 61
- 238000005530 etching Methods 0.000 claims abstract description 186
- 238000000034 method Methods 0.000 claims abstract description 180
- 238000012545 processing Methods 0.000 claims abstract description 86
- 238000000151 deposition Methods 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 59
- 230000008021 deposition Effects 0.000 claims abstract description 50
- 239000007789 gas Substances 0.000 claims description 227
- 229920002120 photoresistant polymer Polymers 0.000 claims description 83
- 229910052710 silicon Inorganic materials 0.000 claims description 52
- 239000010703 silicon Substances 0.000 claims description 52
- 238000004380 ashing Methods 0.000 claims description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 12
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 claims description 8
- 229910000040 hydrogen fluoride Inorganic materials 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 6
- 150000002367 halogens Chemical class 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 3
- 238000010030 laminating Methods 0.000 claims 2
- 239000010410 layer Substances 0.000 description 355
- 235000012431 wafers Nutrition 0.000 description 80
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 67
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 45
- 229910052581 Si3N4 Inorganic materials 0.000 description 41
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 41
- 150000002500 ions Chemical class 0.000 description 39
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 33
- 239000004065 semiconductor Substances 0.000 description 20
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 18
- 229920005591 polysilicon Polymers 0.000 description 18
- 229910052814 silicon oxide Inorganic materials 0.000 description 18
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 238000012546 transfer Methods 0.000 description 14
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- 229910052799 carbon Inorganic materials 0.000 description 12
- 238000001020 plasma etching Methods 0.000 description 11
- 230000006870 function Effects 0.000 description 10
- 239000012044 organic layer Substances 0.000 description 8
- 230000001276 controlling effect Effects 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 229910021529 ammonia Inorganic materials 0.000 description 4
- 239000004642 Polyimide Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229920001721 polyimide Polymers 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000003667 anti-reflective effect Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 238000000206 photolithography Methods 0.000 description 2
- 238000009832 plasma treatment Methods 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000002052 molecular layer Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000002952 polymeric resin Substances 0.000 description 1
- 238000001314 profilometry Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 1
- 229920003002 synthetic resin Polymers 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
- H01L21/04—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
- H01L21/32139—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0337—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- 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
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/033—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers
- H01L21/0334—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising inorganic layers characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/0338—Process specially adapted to improve the resolution of the mask
-
- 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
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3086—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
-
- 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
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3088—Process specially adapted to improve the resolution of the mask
-
- 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
- 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
- H01L21/31122—Etching inorganic layers by chemical means by dry-etching of layers not containing Si, e.g. PZT, Al2O3
-
- 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
- H01L21/31127—Etching organic layers
- H01L21/31133—Etching organic layers by chemical means
- H01L21/31138—Etching organic layers by chemical means by dry-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
- H01L21/04—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
- H01L21/02—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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Plasma & Fusion (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (14)
- 적어도, 처리 대상층, 중간층 및 마스크층이 순차로 적층되며, 상기 마스크층은 상기 중간층의 일부를 노출시키는 개구부를 포함하는, 기판을 처리하는 기판 처리 방법으로서,증착 가스(deposit gas)를 포함하는 처리 가스를 이용하며, 상기 증착 가스로부터 생성된 플라즈마에 의하여 상기 노출되는 중간층을 에칭하여 상기 처리 대상층의 일부를 노출시킴과 더불어, 상기 개구부의 측면에 재료를 증착시키는 재료 증착 단계, 및상기 노출된 처리 대상층을 에칭하는 에칭 단계를 구비하며,상기 처리 대상층은 도전막이고, 상기 중간층은 반사방지막이며, 상기 마스크층은 포토레지스트막이고, 상기 증착 가스는 CF계 가스인 것을 특징으로 하는 기판 처리 방법.
- 삭제
- 제1항에 있어서,상기 재료 증착 단계는, 상기 기판을 유지하기 위하여 챔버 내에 제공되며 기판이 장착되는 장착 스테이지에 고주파 전력을 공급하는 단계를 포함하는 기판 처리 방법.
- 제1항에 있어서,상기 재료 증착 단계는 상기 중간층에 대한 에칭의 끝점을 검출하는 단계를 포함하는 기판 처리 방법.
- 제4항에 있어서,상기 재료 증착 단계는, 중간층에 행해진 에칭의 끝점을 검출한 후, 상기 증착 가스로부터 발생된 플라즈마에 소정시간 동안 개구부를 노출시키는 단계를 포함하는 기판 처리 방법.
- 제1항에 있어서,상기 재료 증착 단계는, 할로겐계 가스로부터 발생된 플라즈마에 의하여 상기 중간층의 노출부를 에칭하는 기판 처리 방법.
- 제6항에 있어서,상기 할로겐계 가스는 HBr 가스인 기판 처리 방법.
- 순차로 적층된 기저층, 처리 대상층, 제1 중간층 및 제1 마스크층을 적어도 포함하며, 상기 제1 마스크층은 제1 중간층의 일부를 노출하도록 구성된 제1 개구부를 포함하는, 기판을 처리하는 기판 처리 방법으로서,증착 가스로부터 발생된 플라즈마에 의하여 상기 제1 중간층의 노출부를 에칭함으로써 상기 처리 대상층의 일부가 노출됨과 더불어, 상기 제1 개구부의 측면에 재료를 증착하는 제1 재료 증착 단계와,상기 처리 대상층의 노출부를 에칭함으로써 상기 기저층의 일부분을 노출시키도록 구성된 제2 개구부를 형성하는 제1 에칭 단계와,상기 처리 대상층 위에 적층된 상기 제1 중간층과 상기 제1 마스크층을 애싱하는 애싱 단계와,제2 중간층과 제2 마스크층을 순차로 적층시키는 적층 단계로서, 상기 제2 마스크층이, 상기 제2 개구부 위는 제외하면서 상기 제2 중간층의 일부분을 노출하도록 구성된 제3 개구부를 갖는 적층 단계와,다른 증착 가스로부터 발생된 다른 플라즈마에 의하여 상기 노출된 제2 중간층을 에칭함으로써 상기 처리 대상층의 다른 부분을 노출시킴과 더불어, 상기 제3 개구부의 측면에 재료를 증착하는 제2 재료 증착 단계와,상기 처리 대상층의 상기 다른 노출부를 에칭하는 제2 에칭 단계를 포함하는 기판 처리 방법.
- 순차로 적층된 처리 대상층, 중간층 및 마스크층을 적어도 포함하며, 상기 마스크층은 상기 중간층의 일부분을 노출시키도록 구성된 개구부를 포함하는, 기판을 처리하는 기판 처리 방법으로서,상기 처리 대상층이 노출되도록 상기 중간층의 노출부에 두께 방향으로 이방성 에칭을 가하는 중간층 이방성 에칭 단계와,상기 중간층의 폭을 좁히도록, 상기 이방성 에칭에 의하여 노출된 상기 중간층의 측면에 등방성 에칭을 가하는 중간층 등방성 에칭 단계와,상기 마스크층을 제거하는 마스크층 제거 단계와,상기 처리 대상층의 노출부와 상기 좁혀진 폭을 갖는 중간층의 노출부를 커버하도록 구성된 커버층을 형성하는 커버층 형성 단계와,상기 좁혀진 폭을 갖는 중간층만을 노출하도록 상기 커버층을 소정량 제거하는 커버층 제거 단계와,상기 처리 대상층이 부분적으로 노출되도록, 상기 노출된 중간층만을 선택적으로 제거하는 중간층 제거 단계와,상기 노출된 처리 대상층에 이방성 에칭을 두께 방향으로 가하는 처리 대상층 에칭 단계를 포함하며,상기 중간층 등방성 에칭 단계를 시작할 때는, 상기 중간층 상에는 상기 마스크층이 소정 두께 남아 있는 기판 처리 방법.
- 제9항에 있어서,상기 중간층은 실리콘을 포함하는 층이며, 플루오르화 수소 가스 및 암모니아 가스를 사용하는 COR(Chemical Oxide Removal) 처리가 상기 실리콘을 포함하는 층에 가해지는 기판 처리 방법.
- 순차로 적층된 처리 대상층, 제1 중간층, 제2 중간층, 제3 중간층 및 마스크층을 적어도 포함하며, 상기 마스크층은 상기 제3 중간층의 일부분을 노출하도록 구성된 개구부를 포함하는, 기판을 처리하는 기판 처리 방법으로서,증착 가스로부터 발생된 플라즈마에 의하여 상기 제3 중간층의 노출부를 에칭함으로써 상기 제2 중간층의 일부분이 노출됨과 더불어, 상기 개구부의 측면에 재료를 증착하는 재료 증착 단계와,상기 처리 대상층이 노출되도록 상기 마스크층의 개구부를 통하여, 상기 제2 중간층의 노출부 및 제1 중간층에, 두께 방향으로 이방성 에칭을 가하는 중간층 이방성 에칭 단계와,상기 제2 중간층의 폭을 좁히기 위하여, 이방성 에칭에 의하여 노출된 상기 제2 중간층의 측면에 등방성 에칭을 가하는 중간층 등방성 에칭 단계와,상기 마스크층과 상기 제3 중간층을 제거하는 제3 중간층 제거 단계와,상기 노출된 처리 대상층, 상기 제1 중간층 및, 상기 좁혀진 폭을 갖는 제2 중간층을 커버하도록 구성된 커버층을 형성하는 커버층 형성 단계와,상기 좁혀진 폭의 제2 중간층만이 노출되도록 상기 커버층을 소정량 제거하는 커버층 제거 단계와,상기 제1 중간층이 부분적으로 노출되도록, 상기 노출된 제2 중간층만을 선택적으로 제거하는 제2 중간층 제거 단계와,상기 처리 대상층이 노출되도록, 상기 노출된 제1 중간층에, 두께 방향으로 이방성 에칭을 가하는 제1 중간층 에칭 단계와,상기 커버층으로 커버된 상기 처리 대상층이 노출되도록 상기 커버층을 완전히 제거하는 커버층 완전 제거 단계와,상기 제1 중간층 에칭 단계와 상기 커버층 제거 단계에서 노출된 처리 대상층에, 두께 방향으로 이방성 에칭을 가하는 처리 대상층 에칭 단계를 포함하며,상기 중간층 등방성 에칭 단계가 시작할 때는, 적어도 상기 제3 중간층이 상기 제2 중간층 위에 소정 두께 남아있는 기판 처리 방법.
- 제11항에 있어서,상기 제2 중간층은 실리콘을 포함하는 층이며, 상기 중간층 등방성 에칭 단계에서, 플루오르화 수소 가스 및 암모니아 가스를 사용하는 COR 처리를 상기 실리콘을 포함하는 층에 가하는 기판 처리 방법.
- 순차로 적층된 처리 대상층, 제1 중간층, 제2 중간층, 제3 중간층 및 마스크층을 적어도 포함하며, 상기 마스크층은 상기 제3 중간층의 일부분이 노출되도록 구성된 개구부를 포함하는, 기판을 처리하는 기판 처리 방법으로서,상기 마스크층 및 상기 제3 중간층의 노출부를 커버하도록 등방성 방식으로 제1 커버층을 형성하는 제1 커버층 형성 단계와,상기 개구부의 측면에는 상기 제1 커버층을 남아있게 하면서, 상기 제3 중간층이 다시 노출되도록, 상기 제1 커버층에, 두께 방향으로 이방성 에칭을 가하는 제1 커버층 에칭 단계와,상기 처리 대상층을 노출시키고 상기 마스크층을 제거하도록, 상기 노출된 제3 중간층, 상기 제2 중간층 및 상기 제1 중간층에, 상기 마스크층의 개구부를 통하여 두께 방향으로 이방성 에칭을 가하는 중간층 이방성 에칭 단계와,상기 제2 중간층의 폭을 좁히도록, 상기 이방성 에칭에 의하여 노출된, 상기 제2 중간층의 표면에 등방성 에칭을 가하는 중간층 등방성 에칭 단계와,상기 제3 중간층을 제거하는 제3 중간층 제거 단계와,상기 노출된 처리 대상층, 상기 제1 중간층, 및 상기 좁혀진 폭을 갖는 제2 중간층을 커버하도록 제2 커버층을 형성하는 제2 커버층 형성 단계와,상기 좁혀진 폭을 갖는 제2 중간층만이 노출되도록 상기 제2 커버층을 소정량 제거하는 제2 커버층 제거 단계와,상기 제1 중간층이 부분적으로 노출되도록, 상기 노출된 제2 중간층만을 선택적으로 제거하는 제2 중간층 제거 단계와,상기 처리 대상층이 노출되도록, 상기 노출된 제1 중간층에, 두께 방향으로 이방성 에칭을 가하는 제1 중간층 에칭 단계와,상기 제2 커버층으로 커버된 상기 처리 대상층이 노출되도록 상기 제2 커버층을 완전히 제거하는 제2 커버층 완전 제거 단계와,상기 제1 중간층 에칭 단계와 상기 제2 커버층 완전 제거 단계에서 노출된 처리 대상층에, 두께 방향으로 이방성 에칭을 가하는 처리 대상층 에칭 단계를 포함하며,상기 중간층 등방성 에칭 단계가 시작될 때에는 상기 제2 중간층 위에는 적어도 상기 제3 중간층이 소정 두께 남아 있는 기판 처리 방법.
- 제13항에 있어서,상기 제2 중간층은 실리콘을 포함하는 층이며, 상기 중간층 등방성 에칭 단계에서는, 플루오르화 수소 가스 및 암모니아 가스를 사용하는 COR 처리가 상기 실리콘을 포함하는 층에 가해지는 기판 처리 방법,
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JPJP-P-2007-265596 | 2007-10-11 | ||
JP2007265596 | 2007-10-11 | ||
US1726207P | 2007-12-28 | 2007-12-28 | |
US61/017,262 | 2007-12-28 | ||
JPJP-P-2008-105784 | 2008-04-15 | ||
JP2008105784A JP5248902B2 (ja) | 2007-10-11 | 2008-04-15 | 基板処理方法 |
PCT/JP2008/068806 WO2009048165A1 (en) | 2007-10-11 | 2008-10-09 | Substrate processing method |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20090080499A KR20090080499A (ko) | 2009-07-24 |
KR101048009B1 true KR101048009B1 (ko) | 2011-07-13 |
Family
ID=40549306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020097004258A KR101048009B1 (ko) | 2007-10-11 | 2008-10-09 | 기판 처리 방법 |
Country Status (5)
Country | Link |
---|---|
US (2) | US8241511B2 (ko) |
JP (1) | JP5248902B2 (ko) |
KR (1) | KR101048009B1 (ko) |
TW (2) | TWI392016B (ko) |
WO (1) | WO2009048165A1 (ko) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8257910B1 (en) * | 2008-06-24 | 2012-09-04 | Brewer Science Inc. | Underlayers for EUV lithography |
JP5180121B2 (ja) * | 2009-02-20 | 2013-04-10 | 東京エレクトロン株式会社 | 基板処理方法 |
JP2010283213A (ja) * | 2009-06-05 | 2010-12-16 | Tokyo Electron Ltd | 基板処理方法 |
KR20130039963A (ko) * | 2011-10-13 | 2013-04-23 | 주식회사 테스 | 기판처리시스템 및 이를 이용한 기판처리방법 |
US8668835B1 (en) | 2013-01-23 | 2014-03-11 | Lam Research Corporation | Method of etching self-aligned vias and trenches in a multi-layer film stack |
US9217201B2 (en) * | 2013-03-15 | 2015-12-22 | Applied Materials, Inc. | Methods for forming layers on semiconductor substrates |
US8906810B2 (en) | 2013-05-07 | 2014-12-09 | Lam Research Corporation | Pulsed dielectric etch process for in-situ metal hard mask shape control to enable void-free metallization |
CN104370268B (zh) * | 2013-08-16 | 2016-06-08 | 北京北方微电子基地设备工艺研究中心有限责任公司 | 基片刻蚀方法 |
JP6086862B2 (ja) * | 2013-08-30 | 2017-03-01 | 東京エレクトロン株式会社 | 酸化シリコンから構成された領域を選択的に除去する方法及びプラズマ処理装置 |
WO2016203834A1 (ja) * | 2015-06-19 | 2016-12-22 | 富士フイルム株式会社 | パターン形成方法、及び、電子デバイスの製造方法 |
JP2018128476A (ja) * | 2015-06-19 | 2018-08-16 | 富士フイルム株式会社 | パターン形成方法、及び、電子デバイスの製造方法 |
US9859127B1 (en) * | 2016-06-10 | 2018-01-02 | Lam Research Corporation | Line edge roughness improvement with photon-assisted plasma process |
US9761450B1 (en) | 2016-09-26 | 2017-09-12 | International Business Machines Corporation | Forming a fin cut in a hardmask |
US10269940B2 (en) * | 2017-06-30 | 2019-04-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Semiconductor device and method |
US11131919B2 (en) * | 2018-06-22 | 2021-09-28 | International Business Machines Corporation | Extreme ultraviolet (EUV) mask stack processing |
JP7138529B2 (ja) * | 2018-09-28 | 2022-09-16 | 東京エレクトロン株式会社 | エッチング方法 |
US20240304456A1 (en) * | 2022-03-07 | 2024-09-12 | Hitachi High-Tech Corporation | Plasma processing method |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10312991A (ja) * | 1997-05-12 | 1998-11-24 | Sony Corp | 有機系反射防止膜のプラズマエッチング方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63155621A (ja) * | 1986-12-18 | 1988-06-28 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPH06244156A (ja) | 1993-02-15 | 1994-09-02 | Nippon Telegr & Teleph Corp <Ntt> | パタ―ン形成法 |
JP3191896B2 (ja) * | 1993-11-02 | 2001-07-23 | 松下電器産業株式会社 | 半導体装置の製造方法 |
JPH11261025A (ja) * | 1998-03-13 | 1999-09-24 | Fujitsu Ltd | 半導体装置の製造方法 |
US7877161B2 (en) | 2003-03-17 | 2011-01-25 | Tokyo Electron Limited | Method and system for performing a chemical oxide removal process |
US7141505B2 (en) * | 2003-06-27 | 2006-11-28 | Lam Research Corporation | Method for bilayer resist plasma etch |
US7250371B2 (en) * | 2003-08-26 | 2007-07-31 | Lam Research Corporation | Reduction of feature critical dimensions |
US7265056B2 (en) * | 2004-01-09 | 2007-09-04 | Taiwan Semiconductor Manufacturing Company, Ltd. | Method for forming novel BARC open for precision critical dimension control |
KR100632658B1 (ko) | 2004-12-29 | 2006-10-12 | 주식회사 하이닉스반도체 | 반도체 소자의 금속배선 형성방법 |
US7271107B2 (en) * | 2005-02-03 | 2007-09-18 | Lam Research Corporation | Reduction of feature critical dimensions using multiple masks |
US8263498B2 (en) * | 2006-03-28 | 2012-09-11 | Tokyo Electron Limited | Semiconductor device fabricating method, plasma processing system and storage medium |
JP2010041028A (ja) | 2008-07-11 | 2010-02-18 | Tokyo Electron Ltd | 基板処理方法 |
-
2008
- 2008-04-15 JP JP2008105784A patent/JP5248902B2/ja not_active Expired - Fee Related
- 2008-10-08 TW TW097138702A patent/TWI392016B/zh not_active IP Right Cessation
- 2008-10-08 TW TW101129040A patent/TWI479563B/zh not_active IP Right Cessation
- 2008-10-09 KR KR1020097004258A patent/KR101048009B1/ko active IP Right Grant
- 2008-10-09 WO PCT/JP2008/068806 patent/WO2009048165A1/en active Application Filing
- 2008-10-09 US US12/442,075 patent/US8241511B2/en not_active Expired - Fee Related
-
2012
- 2012-03-08 US US13/415,363 patent/US8530354B2/en active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10312991A (ja) * | 1997-05-12 | 1998-11-24 | Sony Corp | 有機系反射防止膜のプラズマエッチング方法 |
Also Published As
Publication number | Publication date |
---|---|
US20100173493A1 (en) | 2010-07-08 |
WO2009048165A1 (en) | 2009-04-16 |
US20120196387A1 (en) | 2012-08-02 |
TWI392016B (zh) | 2013-04-01 |
TWI479563B (zh) | 2015-04-01 |
KR20090080499A (ko) | 2009-07-24 |
TW201246369A (en) | 2012-11-16 |
JP5248902B2 (ja) | 2013-07-31 |
US8530354B2 (en) | 2013-09-10 |
US8241511B2 (en) | 2012-08-14 |
TW200939337A (en) | 2009-09-16 |
JP2009111330A (ja) | 2009-05-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101048009B1 (ko) | 기판 처리 방법 | |
US8105949B2 (en) | Substrate processing method | |
TWI479565B (zh) | The formation of fine graphics | |
US8329050B2 (en) | Substrate processing method | |
JP5180121B2 (ja) | 基板処理方法 | |
JP2014225501A (ja) | プラズマエッチング方法及びプラズマエッチング装置 | |
US20100311245A1 (en) | Substrate processing method | |
JP5604063B2 (ja) | 基板処理方法及び記憶媒体 | |
US8252698B2 (en) | Substrate processing method | |
KR101699547B1 (ko) | 기판 처리 방법 및 기억 매체 | |
JPH1197414A (ja) | 酸化シリコン系絶縁膜のプラズマエッチング方法 | |
JP6415636B2 (ja) | プラズマエッチング方法及びプラズマエッチング装置 | |
JP2004031892A (ja) | アモルファスカーボンを用いた半導体装置の製造方法 | |
JP2006276869A (ja) | 半導体装置の製造方法 | |
JP5484363B2 (ja) | 基板処理方法 | |
JP2006303496A (ja) | 半導体装置の製造方法 | |
KR20020050517A (ko) | 반도체 소자의 콘택홀 형성 방법 | |
KR20080061854A (ko) | 반도체 소자의 형성 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20140626 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20150618 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20160617 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170616 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20180618 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20190618 Year of fee payment: 9 |