KR20040007480A - 유기 반사 방지막 플라즈마 식각 방법 - Google Patents
유기 반사 방지막 플라즈마 식각 방법 Download PDFInfo
- Publication number
- KR20040007480A KR20040007480A KR10-2003-7012822A KR20037012822A KR20040007480A KR 20040007480 A KR20040007480 A KR 20040007480A KR 20037012822 A KR20037012822 A KR 20037012822A KR 20040007480 A KR20040007480 A KR 20040007480A
- Authority
- KR
- South Korea
- Prior art keywords
- etching
- reactor
- film
- plasma
- gas
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000001020 plasma etching Methods 0.000 title claims description 29
- 239000006117 anti-reflective coating Substances 0.000 title claims description 3
- 238000005530 etching Methods 0.000 claims abstract description 80
- 239000007789 gas Substances 0.000 claims abstract description 59
- 229910005965 SO 2 Inorganic materials 0.000 claims abstract description 33
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 32
- 230000008569 process Effects 0.000 claims abstract description 24
- 239000004065 semiconductor Substances 0.000 claims abstract description 21
- 239000012159 carrier gas Substances 0.000 claims abstract description 19
- 229910052786 argon Inorganic materials 0.000 claims abstract description 13
- 229910052734 helium Inorganic materials 0.000 claims abstract description 12
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 11
- 239000011593 sulfur Substances 0.000 claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 claims abstract description 8
- 230000003667 anti-reflective effect Effects 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims description 37
- 239000004020 conductor Substances 0.000 claims description 18
- 238000009616 inductively coupled plasma Methods 0.000 claims description 13
- 229910052751 metal Inorganic materials 0.000 claims description 12
- 239000002184 metal Substances 0.000 claims description 12
- 229910021332 silicide Inorganic materials 0.000 claims description 10
- 229910045601 alloy Inorganic materials 0.000 claims description 9
- 239000000956 alloy Substances 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 9
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 claims description 9
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 8
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000000873 masking effect Effects 0.000 claims description 6
- 150000004767 nitrides Chemical class 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052750 molybdenum Inorganic materials 0.000 claims description 5
- 239000011733 molybdenum Substances 0.000 claims description 5
- 239000010936 titanium Substances 0.000 claims description 5
- 229910052719 titanium Inorganic materials 0.000 claims description 5
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 claims description 5
- 229910021342 tungsten silicide Inorganic materials 0.000 claims description 5
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 238000000059 patterning Methods 0.000 claims description 4
- 229910021341 titanium silicide Inorganic materials 0.000 claims description 4
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 4
- 229910052721 tungsten Inorganic materials 0.000 claims description 4
- 239000010937 tungsten Substances 0.000 claims description 4
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000003213 activating effect Effects 0.000 claims description 3
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims description 3
- 229910021344 molybdenum silicide Inorganic materials 0.000 claims description 3
- 229920006254 polymer film Polymers 0.000 claims description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims 1
- 229910052724 xenon Inorganic materials 0.000 claims 1
- 210000002381 plasma Anatomy 0.000 description 42
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 19
- 239000010410 layer Substances 0.000 description 15
- 229910052814 silicon oxide Inorganic materials 0.000 description 14
- 235000012431 wafers Nutrition 0.000 description 12
- 230000009467 reduction Effects 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 230000000903 blocking effect Effects 0.000 description 10
- 230000009977 dual effect Effects 0.000 description 10
- 239000005368 silicate glass Substances 0.000 description 8
- 229910052581 Si3N4 Inorganic materials 0.000 description 7
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 7
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 6
- 125000004430 oxygen atom Chemical group O* 0.000 description 6
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- -1 titanium nitride Chemical class 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229920005591 polysilicon Polymers 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 239000001307 helium Substances 0.000 description 3
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 2
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- YZYDPPZYDIRSJT-UHFFFAOYSA-K boron phosphate Chemical compound [B+3].[O-]P([O-])([O-])=O YZYDPPZYDIRSJT-UHFFFAOYSA-K 0.000 description 2
- 229910000149 boron phosphate Inorganic materials 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 2
- 239000010452 phosphate Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 102100022717 Atypical chemokine receptor 1 Human genes 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 235000014653 Carica parviflora Nutrition 0.000 description 1
- 241000243321 Cnidaria Species 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 101000678879 Homo sapiens Atypical chemokine receptor 1 Proteins 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 230000008033 biological extinction Effects 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 150000004760 silicates Chemical class 0.000 description 1
- 235000012239 silicon dioxide Nutrition 0.000 description 1
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical class [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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
-
- 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
- B81C1/00595—Control etch selectivity
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76802—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics
- H01L21/76807—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures
- H01L21/7681—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing by forming openings in dielectrics for dual damascene structures involving one or more buried 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
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76838—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the conductors
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Geometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
런 | P | TCPTM | BP | Ar | He | O2 | SO2 | HBr | D-CD | I-CD |
1 | 5 | 350 | 50 | 35 | 35 | -37.3 | -55.6 | |||
2 | 5 | 350 | 50 | 70 | 20 | 50 | -25.3 | -38.4 | ||
3 | 5 | 350 | 70 | 70 | 35 | 35 | -18.5 | -25.8 | ||
4 | 5 | 350 | 100 | 70 | 10 | 35 | -14.6 | -10 | ||
5 | 5 | 350 | 100 | 70 | 10 | 35 | -16.5 | -14.4 | ||
6 | 5 | 350 | 50 | 70 | 50 | -20.1 | -28.5 | |||
7 | 5 | 350 | 150 | 70 | 50 | -12.8 | -14.9 | |||
8 | 5 | 350 | 150 | 140 | 100 | -13.5 | -16.2 | |||
9 | 5 | 350 | 150 | 105 | 35 | -12.5 | -14.9 | |||
10 | 5 | 350 | 150 | 70 | 50 | -13.1 | -13.6 | |||
11 | 5 | 350 | 180 | 105 | 35 | -11.4 | -13.5 | |||
12 | 5 | 350 | 210 | 105 | 35 | -10.0 | -12.3 |
런 | TCPTM | BP | He/Ar | O2 | SO2 | HBr | BARC ER |
13 | 350 | 70 | 70 He | 0 | 50 | 0 | 2616 |
14 | 350 | 150 | 105 He | 0 | 35 | 0 | 2534 |
15 | 350 | 150 | 70 Ar | 0 | 50 | 0 | 2638 |
Claims (20)
- 하부막 상에 유기 반사 방지막(organic antireflective coating)을 구비한 반도체 기판을 플라즈마 식각 반응기 안에 지지하는 단계;황 함유 가스와 캐리어 가스를 포함하는 O2-프리(free) 식각 가스를 플라즈마 상태로 활성화시켜서 상기 유기 반사 방지막 안에 개구부를 식각하는 단계를 포함하는, 상부막 및/또는 하부막과 선택비를 가진 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 개구부는 비아, 콘택, 및/또는 이중 다마신, 자기정렬 콘택 또는 자기정렬 트렌치 구조의 트렌치, 또는 게이트 전극의 도전체 라인을 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 유기 반사 방지막은 패터닝된 포토레지스트가 상부에 형성된 폴리머막이고, 상기 식각 가스는 상기 포토레지스트의 측면 식각을 최소화하여 상기 포토레지스트에 의해 정의된 임계 치수를 유지하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 플라즈마 식각 반응기는 ECR 플라즈마 반응기, 유도 결합 플라즈마 반응기, 용량성 결합 플라즈마 반응기, 헬리콘 플라즈마 반응기 또는 마그네트론 플라즈마 반응기를 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 플라즈마 식각 반응기는 평면 안테나가 유전체 부재를 통해 상기 반응기 안으로 RF 에너지를 결합시키는 고밀도 유도 결합 플라즈마 반응기를 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 황 함유 가스는 SO2이고 상기 캐리어 가스는 He 또는 Ar인 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 식각 가스는 HBr을 더 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 플라즈마 식각 반응기 안의 압력이 50mTorr 미만 및/또는 상기 기판을 지지하는 기판 지지대의 온도가 -20℃ 내지 +80℃인 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 플라즈마 식각 반응기는 안테나와 전력 인가된 하부 전극을 가진 유도 결합 플라즈마 반응기이고, 상기 안테나에는 200 내지 1000 와트의 RF 에너지가 공급되며 상기 하부 전극에는 50 내지 200 와트의 RF 에너지가 공급되는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 황 함유 가스는 상기 플라즈마 식각 반응기로 5 내지 200 sccm의 유량으로 공급되는 SO2를 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제10항에 있어서, 상기 캐리어 가스는 상기 플라즈마 식각 반응기로 5 내지 150 sccm의 유량으로 공급되는 He 또는 Ar을 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제11항에 있어서, 상기 식각 가스는 상기 플라즈마 식각 반응기로 0 내지 150 sccm의 유량으로 공급되는 HBr을 더 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제11항에 있어서, SO2, HBr 및 He의 유량은 5 내지 200 sccm SO2, 10 내지 50 sccm HBr 및 50 내지 150 sccm He인 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 식각 가스는 SO2및 He로 이루어진 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 유기 반사 방지막 안의 상기 개구부는 도프트 및 언도프트 다결정 또는 단결정 실리콘, 알루미늄 또는 그 합금, 구리 또는 그 합금, 티타늄 또는 그 합금, 텅스텐 또는 그 합금, 몰리브덴 또는 그 합금, 티타늄 나이트라이드, 티타늄 실리사이드, 텅스텐 실리사이드, 코발트 실리사이드, 및 몰리브덴 실리사이드로 이루어진 군으로부터 선택된 금속-함유막을 포함하는 전기적 도체 또는 반도체막을 오픈하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 개구부는 0.25 미크론 이하 크기의 개구부인 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 캐리어 가스는 Ar, He, Ne, Kr, Xe 또는 그 혼합물로 이루어진 군으로부터 선택되는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 식각하는 단계 동안에 상기 반도체 기판에 RF 바이어스를 인가하는 단계를 더 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 식각 단계 다음에 상기 개구부를 금속으로 채우는 단계를 더 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
- 제1항에 있어서, 상기 식각 단계는 다마신 구조를 제조하는 공정의 일부로서 수행되고, 상기 방법은 마스킹막으로서 포토레지스트막을 형성하는 단계, 상기 포토레지스트막을 패터닝하여 복수개의 개구부를 형성하는 단계, 및 상기 유기 반사 방지막 안에 비아 또는 콘택 개구부를 형성하는 식각 단계를 더 포함하는 것을 특징으로 하는 유기 반사 방지막 식각 방법.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/820,737 | 2001-03-30 | ||
US09/820,737 US6617257B2 (en) | 2001-03-30 | 2001-03-30 | Method of plasma etching organic antireflective coating |
PCT/US2002/006650 WO2002080234A2 (en) | 2001-03-30 | 2002-03-21 | Method of plasma etching organic antireflective coating |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040007480A true KR20040007480A (ko) | 2004-01-24 |
KR100883291B1 KR100883291B1 (ko) | 2009-02-11 |
Family
ID=25231592
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020037012822A KR100883291B1 (ko) | 2001-03-30 | 2002-03-21 | 유기 반사 방지막 플라즈마 식각 방법 |
Country Status (8)
Country | Link |
---|---|
US (1) | US6617257B2 (ko) |
EP (1) | EP1374288A2 (ko) |
JP (2) | JP4813755B2 (ko) |
KR (1) | KR100883291B1 (ko) |
CN (1) | CN100358107C (ko) |
AU (1) | AU2002248539A1 (ko) |
TW (1) | TW546737B (ko) |
WO (1) | WO2002080234A2 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150090495A (ko) * | 2014-01-29 | 2015-08-06 | 세메스 주식회사 | 기판처리장치 및 방법 |
Families Citing this family (47)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050269666A1 (en) * | 2004-06-07 | 2005-12-08 | Taiwan Semiconductor Manufacturing Company, Ltd. | Electrical fuses as programmable data storage |
US20020003126A1 (en) * | 1999-04-13 | 2002-01-10 | Ajay Kumar | Method of etching silicon nitride |
US6824879B2 (en) | 1999-06-10 | 2004-11-30 | Honeywell International Inc. | Spin-on-glass anti-reflective coatings for photolithography |
KR100804873B1 (ko) | 1999-06-10 | 2008-02-20 | 얼라이드시그날 인코퍼레이티드 | 포토리소그래피용 sog 반사방지 코팅 |
JP5038567B2 (ja) * | 2001-09-26 | 2012-10-03 | 東京エレクトロン株式会社 | エッチング方法 |
EP1472574A4 (en) | 2001-11-15 | 2005-06-08 | Honeywell Int Inc | ANTI-REFLECTIVE COATINGS DESIGNED TO BE INSTALLED BY ROTATION FOR PHOTOLITHOGRAPHY |
US6649532B1 (en) * | 2002-05-09 | 2003-11-18 | Applied Materials Inc. | Methods for etching an organic anti-reflective coating |
US6846741B2 (en) * | 2002-07-24 | 2005-01-25 | International Business Machines Corporation | Sacrificial metal spacer damascene process |
JP4034164B2 (ja) | 2002-10-28 | 2008-01-16 | 富士通株式会社 | 微細パターンの作製方法及び半導体装置の製造方法 |
US7344991B2 (en) * | 2002-12-23 | 2008-03-18 | Tokyo Electron Limited | Method and apparatus for multilayer photoresist dry development |
WO2004061919A1 (en) * | 2002-12-23 | 2004-07-22 | Tokyo Electron Limited | Method and apparatus for bilayer photoresist dry development |
US6780782B1 (en) * | 2003-02-04 | 2004-08-24 | Taiwan Semiconductor Manufacturing Company, Ltd. | Bi-level resist structure and fabrication method for contact holes on semiconductor substrates |
US6900123B2 (en) * | 2003-03-20 | 2005-05-31 | Texas Instruments Incorporated | BARC etch comprising a selective etch chemistry and a high polymerizing gas for CD control |
US8048325B2 (en) * | 2003-03-31 | 2011-11-01 | Tokyo Electron Limited | Method and apparatus for multilayer photoresist dry development |
US6916697B2 (en) * | 2003-10-08 | 2005-07-12 | Lam Research Corporation | Etch back process using nitrous oxide |
US7202177B2 (en) * | 2003-10-08 | 2007-04-10 | Lam Research Corporation | Nitrous oxide stripping process for organosilicate glass |
US8053159B2 (en) | 2003-11-18 | 2011-11-08 | Honeywell International Inc. | Antireflective coatings for via fill and photolithography applications and methods of preparation thereof |
US7517801B1 (en) * | 2003-12-23 | 2009-04-14 | Lam Research Corporation | Method for selectivity control in a plasma processing system |
US6884715B1 (en) | 2004-06-04 | 2005-04-26 | International Business Machines Corporation | Method for forming a self-aligned contact with a silicide or damascene conductor and the structure formed thereby |
US20050285222A1 (en) | 2004-06-29 | 2005-12-29 | Kong-Beng Thei | New fuse structure |
US8222155B2 (en) * | 2004-06-29 | 2012-07-17 | Lam Research Corporation | Selectivity control in a plasma processing system |
US7192863B2 (en) * | 2004-07-30 | 2007-03-20 | Texas Instruments Incorporated | Method of eliminating etch ridges in a dual damascene process |
US7361588B2 (en) * | 2005-04-04 | 2008-04-22 | Advanced Micro Devices, Inc. | Etch process for CD reduction of arc material |
US7358182B2 (en) * | 2005-12-22 | 2008-04-15 | International Business Machines Corporation | Method of forming an interconnect structure |
US20070238304A1 (en) * | 2006-04-11 | 2007-10-11 | Jui-Hung Wu | Method of etching passivation layer |
US8367303B2 (en) * | 2006-07-14 | 2013-02-05 | Micron Technology, Inc. | Semiconductor device fabrication and dry develop process suitable for critical dimension tunability and profile control |
DE102006044591A1 (de) * | 2006-09-19 | 2008-04-03 | Carl Zeiss Smt Ag | Optische Anordnung, insbesondere Projektionsbelichtungsanlage für die EUV-Lithographie, sowie reflektives optisches Element mit verminderter Kontamination |
US8642246B2 (en) | 2007-02-26 | 2014-02-04 | Honeywell International Inc. | Compositions, coatings and films for tri-layer patterning applications and methods of preparation thereof |
US20090042399A1 (en) * | 2007-08-08 | 2009-02-12 | Brian Ashley Smith | Method for Dry Develop of Trilayer Photoresist Patterns |
JP4614995B2 (ja) * | 2007-08-23 | 2011-01-19 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法 |
KR20090069122A (ko) * | 2007-12-24 | 2009-06-29 | 주식회사 하이닉스반도체 | 반도체 장치의 제조방법 |
US20100051577A1 (en) * | 2008-09-03 | 2010-03-04 | Micron Technology, Inc. | Copper layer processing |
JP2010283095A (ja) * | 2009-06-04 | 2010-12-16 | Hitachi Ltd | 半導体装置の製造方法 |
US8557877B2 (en) | 2009-06-10 | 2013-10-15 | Honeywell International Inc. | Anti-reflective coatings for optically transparent substrates |
JP5466889B2 (ja) * | 2009-06-18 | 2014-04-09 | 東京エレクトロン株式会社 | 多層配線の形成方法 |
US8093153B2 (en) * | 2009-12-18 | 2012-01-10 | United Microelectronics Corporation | Method of etching oxide layer and nitride layer |
JP5685762B2 (ja) * | 2011-03-07 | 2015-03-18 | みずほ情報総研株式会社 | プラズマ加工形状シミュレーション装置及びプログラム |
US8864898B2 (en) | 2011-05-31 | 2014-10-21 | Honeywell International Inc. | Coating formulations for optical elements |
US8999838B2 (en) * | 2011-08-31 | 2015-04-07 | Macronix International Co., Ltd. | Semiconductor devices and methods of manufacturing the same |
CN102372250B (zh) * | 2011-11-15 | 2015-02-18 | 苏州含光微纳科技有限公司 | 一种刻蚀金属钨材料的方法 |
US9105587B2 (en) | 2012-11-08 | 2015-08-11 | Micron Technology, Inc. | Methods of forming semiconductor structures with sulfur dioxide etch chemistries |
KR102377531B1 (ko) | 2015-01-23 | 2022-03-22 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 및 그 제조 방법 |
WO2016167892A1 (en) | 2015-04-13 | 2016-10-20 | Honeywell International Inc. | Polysiloxane formulations and coatings for optoelectronic applications |
CN106535461B (zh) * | 2016-11-11 | 2018-03-16 | 合肥中科离子医学技术装备有限公司 | 医用超导回旋加速器谐振腔电容调谐装置及方法 |
US10157773B1 (en) | 2017-11-28 | 2018-12-18 | Taiwan Semiconductor Manufacturing Co., Ltd. | Semiconductor structure having layer with re-entrant profile and method of forming the same |
CN109804463B (zh) | 2019-01-02 | 2021-04-16 | 长江存储科技有限责任公司 | 用于形成双镶嵌互连结构的方法 |
CN110137073A (zh) * | 2019-05-14 | 2019-08-16 | 中国科学院微电子研究所 | 一种各向异性刻蚀图形化聚酰亚胺层的方法 |
Family Cites Families (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5013400A (en) | 1990-01-30 | 1991-05-07 | General Signal Corporation | Dry etch process for forming champagne profiles, and dry etch apparatus |
US5021121A (en) | 1990-02-16 | 1991-06-04 | Applied Materials, Inc. | Process for RIE etching silicon dioxide |
US5013398A (en) | 1990-05-29 | 1991-05-07 | Micron Technology, Inc. | Anisotropic etch method for a sandwich structure |
US5022958A (en) | 1990-06-27 | 1991-06-11 | At&T Bell Laboratories | Method of etching for integrated circuits with planarized dielectric |
FR2673763A1 (fr) | 1991-03-06 | 1992-09-11 | Centre Nat Rech Scient | Procede de gravure anisotrope des polymeres par plasma. |
EP0525942A2 (en) * | 1991-05-31 | 1993-02-03 | AT&T Corp. | Integrated circuit fabrication process using a bilayer resist |
US5269879A (en) | 1991-10-16 | 1993-12-14 | Lam Research Corporation | Method of etching vias without sputtering of underlying electrically conductive layer |
US5529657A (en) | 1993-10-04 | 1996-06-25 | Tokyo Electron Limited | Plasma processing apparatus |
TW320749B (ko) * | 1994-09-22 | 1997-11-21 | Tokyo Electron Co Ltd | |
JP3778299B2 (ja) | 1995-02-07 | 2006-05-24 | 東京エレクトロン株式会社 | プラズマエッチング方法 |
US5626716A (en) | 1995-09-29 | 1997-05-06 | Lam Research Corporation | Plasma etching of semiconductors |
US5910453A (en) | 1996-01-16 | 1999-06-08 | Advanced Micro Devices, Inc. | Deep UV anti-reflection coating etch |
US5827437A (en) * | 1996-05-17 | 1998-10-27 | Lam Research Corporation | Multi-step metallization etch |
JP3511802B2 (ja) | 1996-05-27 | 2004-03-29 | ソニー株式会社 | 金属配線の形成方法 |
US5820723A (en) | 1996-06-05 | 1998-10-13 | Lam Research Corporation | Universal vacuum chamber including equipment modules such as a plasma generating source, vacuum pumping arrangement and/or cantilevered substrate support |
US5773199A (en) | 1996-09-09 | 1998-06-30 | Vanguard International Semiconductor Corporation | Method for controlling linewidth by etching bottom anti-reflective coating |
KR100209698B1 (ko) | 1996-10-11 | 1999-07-15 | 구본준 | 유기 반사방지막 식각방법 |
JPH10189543A (ja) * | 1996-12-26 | 1998-07-21 | Sony Corp | コンタクトホールの形成方法 |
KR100232187B1 (ko) | 1996-12-27 | 1999-12-01 | 김영환 | 반사방지막 식각방법 |
WO1998032162A1 (fr) | 1997-01-21 | 1998-07-23 | Matsushita Electric Industrial Co., Ltd. | Procede de formation de configuration |
JPH10209118A (ja) * | 1997-01-28 | 1998-08-07 | Sony Corp | アッシング方法 |
JPH10242127A (ja) | 1997-02-26 | 1998-09-11 | Sony Corp | 有機系反射防止膜のプラズマエッチング方法 |
US5780338A (en) | 1997-04-11 | 1998-07-14 | Vanguard International Semiconductor Corporation | Method for manufacturing crown-shaped capacitors for dynamic random access memory integrated circuits |
US6090304A (en) | 1997-08-28 | 2000-07-18 | Lam Research Corporation | Methods for selective plasma etch |
EP0911697A3 (en) | 1997-10-22 | 1999-09-15 | Interuniversitair Microelektronica Centrum Vzw | A fluorinated hard mask for micropatterning of polymers |
JP2991177B2 (ja) * | 1997-12-15 | 1999-12-20 | 日本電気株式会社 | 半導体装置の製造方法 |
US6391786B1 (en) | 1997-12-31 | 2002-05-21 | Lam Research Corporation | Etching process for organic anti-reflective coating |
US6040248A (en) | 1998-06-24 | 2000-03-21 | Taiwan Semiconductor Manufacturing Company | Chemistry for etching organic low-k materials |
US6380096B2 (en) * | 1998-07-09 | 2002-04-30 | Applied Materials, Inc. | In-situ integrated oxide etch process particularly useful for copper dual damascene |
US6127089A (en) | 1998-08-28 | 2000-10-03 | Advanced Micro Devices, Inc. | Interconnect structure with low k dielectric materials and method of making the same with single and dual damascene techniques |
US6090722A (en) | 1999-01-06 | 2000-07-18 | International Business Machines Corporation | Process for fabricating a semiconductor structure having a self-aligned spacer |
JP2000353305A (ja) * | 1999-06-11 | 2000-12-19 | Sumitomo Metal Ind Ltd | 有機膜エッチング方法、磁気ヘッドの製造方法及び磁気ヘッド |
US6358842B1 (en) * | 2000-08-07 | 2002-03-19 | Chartered Semiconductor Manufacturing Ltd. | Method to form damascene interconnects with sidewall passivation to protect organic dielectrics |
-
2001
- 2001-03-30 US US09/820,737 patent/US6617257B2/en not_active Expired - Lifetime
-
2002
- 2002-03-21 JP JP2002578550A patent/JP4813755B2/ja not_active Expired - Fee Related
- 2002-03-21 EP EP02717545A patent/EP1374288A2/en not_active Withdrawn
- 2002-03-21 KR KR1020037012822A patent/KR100883291B1/ko active IP Right Grant
- 2002-03-21 WO PCT/US2002/006650 patent/WO2002080234A2/en active Application Filing
- 2002-03-21 CN CNB02809056XA patent/CN100358107C/zh not_active Expired - Lifetime
- 2002-03-21 AU AU2002248539A patent/AU2002248539A1/en not_active Abandoned
- 2002-03-27 TW TW091106012A patent/TW546737B/zh not_active IP Right Cessation
-
2010
- 2010-05-26 JP JP2010120922A patent/JP2010219550A/ja active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20150090495A (ko) * | 2014-01-29 | 2015-08-06 | 세메스 주식회사 | 기판처리장치 및 방법 |
Also Published As
Publication number | Publication date |
---|---|
JP2010219550A (ja) | 2010-09-30 |
WO2002080234A3 (en) | 2003-05-01 |
CN100358107C (zh) | 2007-12-26 |
JP2004528711A (ja) | 2004-09-16 |
US6617257B2 (en) | 2003-09-09 |
KR100883291B1 (ko) | 2009-02-11 |
WO2002080234A2 (en) | 2002-10-10 |
JP4813755B2 (ja) | 2011-11-09 |
TW546737B (en) | 2003-08-11 |
EP1374288A2 (en) | 2004-01-02 |
AU2002248539A1 (en) | 2002-10-15 |
CN1505832A (zh) | 2004-06-16 |
US20020182881A1 (en) | 2002-12-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100883291B1 (ko) | 유기 반사 방지막 플라즈마 식각 방법 | |
US6630407B2 (en) | Plasma etching of organic antireflective coating | |
US6962879B2 (en) | Method of plasma etching silicon nitride | |
US6670278B2 (en) | Method of plasma etching of silicon carbide | |
US7547635B2 (en) | Process for etching dielectric films with improved resist and/or etch profile characteristics | |
KR100896160B1 (ko) | 실리콘 카바이드 플라즈마 식각 방법 | |
US7311852B2 (en) | Method of plasma etching low-k dielectric materials | |
US7432209B2 (en) | Plasma dielectric etch process including in-situ backside polymer removal for low-dielectric constant material | |
JP4499289B2 (ja) | 誘電材料をプラズマ・エッチングする方法 | |
US20020142610A1 (en) | Plasma etching of dielectric layer with selectivity to stop layer | |
US7244313B1 (en) | Plasma etch and photoresist strip process with intervening chamber de-fluorination and wafer de-fluorination steps | |
KR20030024717A (ko) | 유기실리케이트 유전층을 포함하는 반도체 웨이퍼에서에칭 후에 수소로 포토레지스트를 박리하는 방법 | |
KR101276043B1 (ko) | 아산화질소를 사용하는 에치백 프로세스 | |
KR20010099887A (ko) | 유도-연결된 플라즈마 공정 시스템에서 고애스펙트비의미세 접점 에칭 공정 | |
KR20070020325A (ko) | 유전체 재료 플라즈마 에칭 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: 20130124 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20140124 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20150126 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20160122 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20170126 Year of fee payment: 9 |
|
FPAY | Annual fee payment |
Payment date: 20180126 Year of fee payment: 10 |
|
FPAY | Annual fee payment |
Payment date: 20190124 Year of fee payment: 11 |
|
FPAY | Annual fee payment |
Payment date: 20200129 Year of fee payment: 12 |