KR101355688B1 - 개선된 파티클 성능을 갖는 능동 가열형 알루미늄 배플컴포넌트 및 그 사용 및 제조 방법 - Google Patents
개선된 파티클 성능을 갖는 능동 가열형 알루미늄 배플컴포넌트 및 그 사용 및 제조 방법 Download PDFInfo
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- KR101355688B1 KR101355688B1 KR1020087009749A KR20087009749A KR101355688B1 KR 101355688 B1 KR101355688 B1 KR 101355688B1 KR 1020087009749 A KR1020087009749 A KR 1020087009749A KR 20087009749 A KR20087009749 A KR 20087009749A KR 101355688 B1 KR101355688 B1 KR 101355688B1
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- aluminum
- baffle component
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- aluminum baffle
- oxide layer
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- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 76
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims description 35
- 239000002245 particle Substances 0.000 title abstract description 9
- 238000004519 manufacturing process Methods 0.000 title description 2
- 238000012545 processing Methods 0.000 claims abstract description 30
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims abstract description 25
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 238000001020 plasma etching Methods 0.000 claims description 3
- 230000008646 thermal stress Effects 0.000 abstract description 3
- 230000007547 defect Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 20
- 239000010410 layer Substances 0.000 description 15
- 239000000758 substrate Substances 0.000 description 14
- 235000012431 wafers Nutrition 0.000 description 11
- 239000007789 gas Substances 0.000 description 10
- 239000004065 semiconductor Substances 0.000 description 10
- 238000004140 cleaning Methods 0.000 description 7
- 238000005336 cracking Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 7
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 7
- 229910021642 ultra pure water Inorganic materials 0.000 description 7
- 239000012498 ultrapure water Substances 0.000 description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 6
- 238000005530 etching Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000002048 anodisation reaction Methods 0.000 description 4
- 238000005554 pickling Methods 0.000 description 4
- 230000035882 stress Effects 0.000 description 4
- 238000005382 thermal cycling Methods 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 3
- 229910010271 silicon carbide Inorganic materials 0.000 description 3
- -1 6061 aluminum Chemical compound 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 230000001351 cycling effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000003989 dielectric material Substances 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 description 2
- 238000000623 plasma-assisted chemical vapour deposition Methods 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000002344 surface layer Substances 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910001094 6061 aluminium alloy Inorganic materials 0.000 description 1
- 229910016569 AlF 3 Inorganic materials 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910021538 borax Inorganic materials 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 229910052802 copper Inorganic materials 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
- 239000008367 deionised water Substances 0.000 description 1
- 229910021641 deionized water Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- UQGFMSUEHSUPRD-UHFFFAOYSA-N disodium;3,7-dioxido-2,4,6,8,9-pentaoxa-1,3,5,7-tetraborabicyclo[3.3.1]nonane Chemical compound [Na+].[Na+].O1B([O-])OB2OB([O-])OB1O2 UQGFMSUEHSUPRD-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910003465 moissanite Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920003223 poly(pyromellitimide-1,4-diphenyl ether) Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 235000010339 sodium tetraborate Nutrition 0.000 description 1
- 239000004328 sodium tetraborate Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F1/00—Etching metallic material by chemical means
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32623—Mechanical discharge control means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32623—Mechanical discharge control means
- H01J37/32633—Baffles
-
- 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
- H01L21/02041—Cleaning
-
- 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
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- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
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- Organic Chemistry (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Electrochemistry (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
Claims (27)
- 플라즈마 프로세싱 챔버에 설치되었을 때 능동 가열 (actively heated) 되는 알루미늄 배플 컴포넌트로서,상기 알루미늄 배플 컴포넌트는 노출된 외부 알루미늄 산화물층을 가지고,상기 외부 알루미늄 산화물층은 전해연마 공정 (electropolishing procedure) 에 의해 형성되고 상기 알루미늄 배플 컴포넌트 상의 비다공성 알루미늄 산화물이고,상기 알루미늄 배플 컴포넌트는 배플링 및 열제어판 중 적어도 하나인, 알루미늄 배플 컴포넌트.
- 삭제
- 제 1 항에 있어서,상기 외부 알루미늄 산화물층은 0 마이크론 (㎛) 초과 0.5 마이크론 (㎛) 이하의 두께를 갖는, 알루미늄 배플 컴포넌트.
- 삭제
- 삭제
- 제 1 항에 있어서,상기 알루미늄 배플 컴포넌트는 알루미늄 합금으로 제작된, 알루미늄 배플 컴포넌트.
- 제 1 항에 있어서,상기 알루미늄 배플 컴포넌트는 Al 6061-T6 로 제작된, 알루미늄 배플 컴포넌트.
- 제 1 항에 있어서,상기 알루미늄 배플 컴포넌트는 새로운 것 또는 사용된 것 중 하나인, 알루미늄 배플 컴포넌트.
- 삭제
- 삭제
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- 플라즈마 프로세싱 챔버로서, 샤워헤드 전극, 상기 샤워헤드 전극에 부착되는 백킹판 (backing plate), 상기 백킹판에 부착되는 열제어판, 상기 열제어판의 상부 표면상의 적어도 하나의 히터를 포함하는, 상기 플라즈마 프로세싱 챔버; 및플라즈마 프로세싱 챔버에 설치되었을 때 능동 가열 (actively heated) 되는 알루미늄 배플 컴포넌트로서, 상기 알루미늄 배플 컴포넌트는 노출된 외부 알루미늄 산화물층을 가지고, 상기 외부 알루미늄 산화물층은 전해연마 공정 (electropolishing procedure) 에 의해 형성되고 상기 알루미늄 배플 컴포넌트 상의 비다공성 산화물이고,상기 열제어판과 상기 백킹판 사이의 플리넘 (plenum) 에 위치한 배플링을 포함하는, 상기 알루미늄 배플 컴포넌트를 포함하는, 플라즈마 프로세싱 장치.
- 제 22 항에 있어서,상기 플라즈마 프로세싱 장치는 플라즈마 에칭 챔버를 포함하고,상기 배플링은 주변 온도와 적어도 100℃ 사이에서 열적으로 순환되는, 플라즈마 프로세싱 장치.
- 제 23 항에 있어서,상기 알루미늄 배플 컴포넌트는 상기 열제어판을 포함하는, 플라즈마 프로세싱 장치.
- 제 23 항에 있어서,상기 알루미늄 배플 컴포넌트는 상기 열제어판과 상기 상부 샤워헤드 전극 사이의 플리넘 (plenum) 에 위치한 배플링을 포함하는, 플라즈마 프로세싱 장치.
- 삭제
- 플라즈마 프로세싱 챔버의 샤워헤드 전극 어셈블리 내부에 설치되었을 때 능동 가열 (actively heated) 되는 알루미늄 배플 컴포넌트로서,상기 알루미늄 배플 컴포넌트는 전해연마 공정 (electropolishing procedure) 에 의해 형성되는 외부 알루미늄 산화물층을 가지고,상기 외부 알루미늄 산화물층은 (i) 비다공성 알루미늄 산화물이고, (ii) 상기 알루미늄 배플 컴포넌트에 인접하고, (iii) 노출된 외부 표면을 갖고,상기 알루미늄 배플 컴포넌트는 배플링 및 열제어판 중 적어도 하나인, 알루미늄 배플 컴포넌트.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/232,991 | 2005-09-23 | ||
US11/232,991 US8679252B2 (en) | 2005-09-23 | 2005-09-23 | Actively heated aluminum baffle component having improved particle performance and methods of use and manufacture thereof |
PCT/US2006/035238 WO2007037955A2 (en) | 2005-09-23 | 2006-09-11 | Actively heated aluminum baffle component having improved particle performance and methods of use and manufacture thereof |
Publications (2)
Publication Number | Publication Date |
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KR20080050528A KR20080050528A (ko) | 2008-06-05 |
KR101355688B1 true KR101355688B1 (ko) | 2014-02-06 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020087009749A Active KR101355688B1 (ko) | 2005-09-23 | 2006-09-11 | 개선된 파티클 성능을 갖는 능동 가열형 알루미늄 배플컴포넌트 및 그 사용 및 제조 방법 |
Country Status (6)
Country | Link |
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US (2) | US8679252B2 (ko) |
KR (1) | KR101355688B1 (ko) |
CN (1) | CN101268544B (ko) |
MY (1) | MY154832A (ko) |
TW (1) | TWI462174B (ko) |
WO (1) | WO2007037955A2 (ko) |
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WO2007037955A3 (en) | 2007-12-06 |
CN101268544A (zh) | 2008-09-17 |
TWI462174B (zh) | 2014-11-21 |
US8679252B2 (en) | 2014-03-25 |
WO2007037955A2 (en) | 2007-04-05 |
TW200721301A (en) | 2007-06-01 |
KR20080050528A (ko) | 2008-06-05 |
CN101268544B (zh) | 2015-11-25 |
US20140148013A1 (en) | 2014-05-29 |
MY154832A (en) | 2015-07-31 |
US20070068629A1 (en) | 2007-03-29 |
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