KR100762027B1 - 몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의식각방법 - Google Patents
몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의식각방법 Download PDFInfo
- Publication number
- KR100762027B1 KR100762027B1 KR1020010026918A KR20010026918A KR100762027B1 KR 100762027 B1 KR100762027 B1 KR 100762027B1 KR 1020010026918 A KR1020010026918 A KR 1020010026918A KR 20010026918 A KR20010026918 A KR 20010026918A KR 100762027 B1 KR100762027 B1 KR 100762027B1
- Authority
- KR
- South Korea
- Prior art keywords
- layer
- etching
- molybdenum
- aluminum
- electrode
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005530 etching Methods 0.000 title claims abstract description 39
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims abstract description 45
- 229910052750 molybdenum Inorganic materials 0.000 claims abstract description 45
- 239000011733 molybdenum Substances 0.000 claims abstract description 45
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 22
- 238000001039 wet etching Methods 0.000 claims abstract description 17
- 238000001312 dry etching Methods 0.000 claims abstract description 13
- 230000007547 defect Effects 0.000 abstract description 6
- 239000010408 film Substances 0.000 description 13
- 229920002120 photoresistant polymer Polymers 0.000 description 8
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Plasma & Fusion (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Electrodes Of Semiconductors (AREA)
- Weting (AREA)
- Drying Of Semiconductors (AREA)
Abstract
Description
이하, 첨부된 도면을 참조하여 본 발명의 Mo/Al/Mo 3층막 구조를 갖는 전극의 식각방법에 대하여 보다 상세히 설명하기로 한다.
Claims (3)
- 하부 몰리브덴층, 알루미늄층 그리고 상부 몰리브덴층으로 이루어진 게이트 및 소오스/드레인 전극에 있어서,상기 상부 몰리브덴층과 알루미늄층을 건식식각 공정을 이용하여 선택적으로 식각하는 단계와;상기 하부 몰리브덴층을 습식식각 공정을 이용하여 선택적으로 식각하는 단계를 포함하는 것을 특징으로 하는 몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의 식각방법.
- 제 1 항에 있어서,상기 상부 몰리브덴층 식각시 F 계열 가스를 이용하고, 상기 알루미늄층 식각시 Cl 계열의 가스를 이용하는 것을 특징으로 하는 몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의 식각방법.
- 삭제
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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KR1020010026918A KR100762027B1 (ko) | 2001-05-17 | 2001-05-17 | 몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의식각방법 |
Applications Claiming Priority (1)
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KR1020010026918A KR100762027B1 (ko) | 2001-05-17 | 2001-05-17 | 몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의식각방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20020088461A KR20020088461A (ko) | 2002-11-29 |
KR100762027B1 true KR100762027B1 (ko) | 2007-09-28 |
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KR1020010026918A KR100762027B1 (ko) | 2001-05-17 | 2001-05-17 | 몰리브덴/알루미늄/몰리브덴 3층막 구조를 갖는 전극의식각방법 |
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Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102417156B (zh) * | 2011-11-15 | 2015-02-04 | 苏州含光微纳科技有限公司 | 一种刻蚀金属钼材料的方法 |
KR102245497B1 (ko) | 2014-08-08 | 2021-04-29 | 삼성디스플레이 주식회사 | 표시 기판 및 이의 제조 방법 |
JP6232524B1 (ja) | 2016-02-19 | 2017-11-15 | Jfeスチール株式会社 | サーメット粉末、保護皮膜被覆部材及びその製造方法、並びに電気めっき浴中ロール及びその製造方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930018321A (ko) * | 1992-02-28 | 1993-09-21 | 김광호 | 금속배선층의 식각방법 |
JPH0862628A (ja) * | 1994-08-16 | 1996-03-08 | Toshiba Corp | 液晶表示素子およびその製造方法 |
KR19980032303A (ko) * | 1996-10-15 | 1998-07-25 | 포만제프리엘 | 테이퍼를 구비하며 에칭성이 감소된 다층의 금속 샌드위치구조 및 그 형성방법 |
JP2000307118A (ja) * | 1999-04-21 | 2000-11-02 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタおよびその製造方法 |
KR20010004020A (ko) * | 1999-06-28 | 2001-01-15 | 김영환 | 박막 트랜지스터 어레이 기판의 제조방법 |
JP2001085698A (ja) * | 1999-09-16 | 2001-03-30 | Toshiba Corp | 半導体装置の製造方法 |
-
2001
- 2001-05-17 KR KR1020010026918A patent/KR100762027B1/ko active IP Right Grant
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930018321A (ko) * | 1992-02-28 | 1993-09-21 | 김광호 | 금속배선층의 식각방법 |
JPH0862628A (ja) * | 1994-08-16 | 1996-03-08 | Toshiba Corp | 液晶表示素子およびその製造方法 |
KR19980032303A (ko) * | 1996-10-15 | 1998-07-25 | 포만제프리엘 | 테이퍼를 구비하며 에칭성이 감소된 다층의 금속 샌드위치구조 및 그 형성방법 |
JP2000307118A (ja) * | 1999-04-21 | 2000-11-02 | Matsushita Electric Ind Co Ltd | 薄膜トランジスタおよびその製造方法 |
KR20010004020A (ko) * | 1999-06-28 | 2001-01-15 | 김영환 | 박막 트랜지스터 어레이 기판의 제조방법 |
JP2001085698A (ja) * | 1999-09-16 | 2001-03-30 | Toshiba Corp | 半導体装置の製造方法 |
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KR20020088461A (ko) | 2002-11-29 |
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