KR100798160B1 - 플라즈마 에칭방법 - Google Patents
플라즈마 에칭방법 Download PDFInfo
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- KR100798160B1 KR100798160B1 KR1020050117968A KR20050117968A KR100798160B1 KR 100798160 B1 KR100798160 B1 KR 100798160B1 KR 1020050117968 A KR1020050117968 A KR 1020050117968A KR 20050117968 A KR20050117968 A KR 20050117968A KR 100798160 B1 KR100798160 B1 KR 100798160B1
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- 238000000034 method Methods 0.000 title claims abstract description 88
- 238000001020 plasma etching Methods 0.000 title claims abstract description 65
- 238000005530 etching Methods 0.000 claims abstract description 74
- 238000012545 processing Methods 0.000 claims abstract description 59
- 230000008569 process Effects 0.000 claims abstract description 43
- 238000004140 cleaning Methods 0.000 claims abstract description 30
- 150000002222 fluorine compounds Chemical class 0.000 claims abstract description 13
- 238000009832 plasma treatment Methods 0.000 claims abstract description 9
- 150000001875 compounds Chemical class 0.000 claims abstract description 5
- 238000005108 dry cleaning Methods 0.000 claims abstract description 4
- 239000007789 gas Substances 0.000 claims description 82
- 238000003860 storage Methods 0.000 claims description 7
- 229910052760 oxygen Inorganic materials 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 238000000638 solvent extraction Methods 0.000 claims description 2
- 239000002245 particle Substances 0.000 abstract description 12
- 238000011109 contamination Methods 0.000 abstract description 6
- 239000010936 titanium Substances 0.000 description 47
- 235000012431 wafers Nutrition 0.000 description 41
- 230000000694 effects Effects 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 6
- 239000004065 semiconductor Substances 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000004544 sputter deposition Methods 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 3
- 229910004298 SiO 2 Inorganic materials 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000011737 fluorine Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 230000005415 magnetization Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910021332 silicide Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—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
-
- 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
- H01L21/02057—Cleaning during device manufacture
- H01L21/02068—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers
- H01L21/02071—Cleaning during device manufacture during, before or after processing of conductive layers, e.g. polysilicon or amorphous silicon layers the processing being a delineation, e.g. RIE, of conductive layers
-
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Power Engineering (AREA)
- Plasma & Fusion (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Drying Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
Claims (11)
- 삭제
- 삭제
- 삭제
- 진공으로 유지 가능한 처리용기내에서, 적어도 소정 형상의 패턴이 형성된 마스크층과, 상기 마스크층의 밑에 형성된 피에칭층으로서의 Ti층이 형성된 피처리체에 대하여,챔버내 압력 4Pa이하로 불소 화합물을 포함하는 에칭가스의 플라즈마를 작용시켜, 상기 Ti층을 에칭하는 제 1 플라즈마 처리공정과,제 1 플라즈마 처리공정의 종료 후, 클리닝가스의 플라즈마에 의해 상기 처리 챔버내에 도입하여 드라이클리닝를 실행하는 제 2 플라즈마 처리공정을 포함하고,상기 제 2 플라즈마 처리공정에서는 상기 제 1 플라즈마 처리공정에 의해서 생성한 Ti화합물을 포함하는 퇴적물을 제거하는플라즈마 에칭방법.
- 제 4항에 있어서,상기 제 1 플라즈마 처리공정과 상기 제 2 플라즈마 처리공정을 교대로 반복하여 실시하는플라즈마 에칭방법.
- 제 4항에 있어서,상기 제 2 플라즈마 처리공정에서 이용하는 클리닝가스가 불소 화합물 또는 산소를 함유하는 가스인플라즈마 에칭방법.
- 제 6항에 있어서,상기 불소 화합물이 NF3 또는 CF4인플라즈마 에칭방법.
- 제 6항에 있어서,상기 제 2 플라즈마 처리공정에 있어서의 챔버내 압력이 6.7Pa이하인플라즈마 에칭방법.
- 삭제
- 컴퓨터상에서 동작하는 제어 프로그램이 기억된 컴퓨터 기억 매체에 있어서,상기 제어 프로그램은, 실행시에 청구항 4에 기재된 플라즈마 에칭방법에 이용되는 플라즈마 처리장치를 제어하는컴퓨터 기억 매체.
- 플라즈마를 발생시키는 플라즈마 공급원과,상기 플라즈마에 의해, 피처리체에 대하여 에칭처리를 실행하기 위한 처리실을 구획하는 처리용기와,상기 처리 용기내에서 상기 피처리체를 탑재하는 지지체와,상기 처리 용기내를 감압하기 위한 배기 수단과,상기 처리 용기내에 가스를 공급하기 위한 가스 공급 수단과,청구항 4에 기재된 플라즈마 에칭방법이 실행되도록 제어하는 제어부를 구비하는플라즈마 에칭장치.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JPJP-P-2004-00353976 | 2004-12-07 | ||
JP2004353976A JP2006165246A (ja) | 2004-12-07 | 2004-12-07 | プラズマエッチング方法 |
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KR20060063736A KR20060063736A (ko) | 2006-06-12 |
KR100798160B1 true KR100798160B1 (ko) | 2008-01-28 |
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JP (1) | JP2006165246A (ko) |
KR (1) | KR100798160B1 (ko) |
CN (1) | CN100413035C (ko) |
TW (1) | TWI420588B (ko) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101211753B (zh) * | 2006-12-29 | 2011-03-16 | 联华电子股份有限公司 | 半导体工艺 |
KR101139189B1 (ko) * | 2007-03-29 | 2012-04-26 | 도쿄엘렉트론가부시키가이샤 | 플라즈마 에칭 방법, 플라즈마 처리 장치 및 컴퓨터 판독 가능한 기억 매체 |
KR20120014699A (ko) * | 2010-08-10 | 2012-02-20 | 주식회사 하이닉스반도체 | 반도체 소자의 제조 방법 |
CN102820224A (zh) * | 2011-06-09 | 2012-12-12 | 上海中科高等研究院 | 用于tft干刻工艺中的界面层处理方法 |
JP5982223B2 (ja) * | 2012-08-27 | 2016-08-31 | 東京エレクトロン株式会社 | プラズマ処理方法、及びプラズマ処理装置 |
JP6422262B2 (ja) | 2013-10-24 | 2018-11-14 | 東京エレクトロン株式会社 | プラズマ処理方法及びプラズマ処理装置 |
JP6504827B2 (ja) * | 2015-01-16 | 2019-04-24 | 東京エレクトロン株式会社 | エッチング方法 |
JP2016157793A (ja) * | 2015-02-24 | 2016-09-01 | 東京エレクトロン株式会社 | エッチング方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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KR20000040062A (ko) * | 1998-12-17 | 2000-07-05 | 김영환 | 배선 형성 방법 |
KR20020053569A (ko) * | 2000-12-27 | 2002-07-05 | 한신혁 | 반도체 소자의 금속 배선 형성 방법 |
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KR100293830B1 (ko) * | 1992-06-22 | 2001-09-17 | 리차드 에이치. 로브그렌 | 플라즈마 처리 쳄버내의 잔류물 제거를 위한 플라즈마 정결방법 |
JPH08319586A (ja) * | 1995-05-24 | 1996-12-03 | Nec Yamagata Ltd | 真空処理装置のクリーニング方法 |
JP3476638B2 (ja) * | 1996-12-20 | 2003-12-10 | 東京エレクトロン株式会社 | Cvd成膜方法 |
TW434723B (en) * | 1997-03-17 | 2001-05-16 | Matsushita Electric Ind Co Ltd | Method and apparatus for plasma processing |
JP3626833B2 (ja) * | 1997-05-22 | 2005-03-09 | 東京エレクトロン株式会社 | 成膜装置および成膜方法 |
JPH11140675A (ja) * | 1997-11-14 | 1999-05-25 | Sony Corp | 真空チャンバーのクリーニング方法 |
US6635185B2 (en) * | 1997-12-31 | 2003-10-21 | Alliedsignal Inc. | Method of etching and cleaning using fluorinated carbonyl compounds |
US6703265B2 (en) * | 2000-08-02 | 2004-03-09 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device and method of manufacturing the same |
JP4815724B2 (ja) * | 2000-09-08 | 2011-11-16 | 東京エレクトロン株式会社 | シャワーヘッド構造及び成膜装置 |
JP4717295B2 (ja) * | 2000-10-04 | 2011-07-06 | 株式会社半導体エネルギー研究所 | ドライエッチング装置及びエッチング方法 |
JP2004200378A (ja) * | 2002-12-18 | 2004-07-15 | Semiconductor Energy Lab Co Ltd | 半導体装置の作製方法 |
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- 2005-12-06 TW TW094143030A patent/TWI420588B/zh active
- 2005-12-06 KR KR1020050117968A patent/KR100798160B1/ko active IP Right Grant
- 2005-12-07 CN CNB2005101310877A patent/CN100413035C/zh active Active
Patent Citations (2)
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KR20000040062A (ko) * | 1998-12-17 | 2000-07-05 | 김영환 | 배선 형성 방법 |
KR20020053569A (ko) * | 2000-12-27 | 2002-07-05 | 한신혁 | 반도체 소자의 금속 배선 형성 방법 |
Also Published As
Publication number | Publication date |
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CN100413035C (zh) | 2008-08-20 |
TWI420588B (zh) | 2013-12-21 |
KR20060063736A (ko) | 2006-06-12 |
CN1787183A (zh) | 2006-06-14 |
TW200627543A (en) | 2006-08-01 |
JP2006165246A (ja) | 2006-06-22 |
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