JP5804538B2 - フォトレジストの縁部のバリの形成方法とアレイ基板の製造方法 - Google Patents
フォトレジストの縁部のバリの形成方法とアレイ基板の製造方法 Download PDFInfo
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- 229920002120 photoresistant polymer Polymers 0.000 title claims description 227
- 238000000034 method Methods 0.000 title claims description 173
- 239000000758 substrate Substances 0.000 title claims description 117
- 238000004519 manufacturing process Methods 0.000 title claims description 53
- 239000010409 thin film Substances 0.000 claims description 74
- 238000000059 patterning Methods 0.000 claims description 55
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 238000002161 passivation Methods 0.000 claims description 31
- 239000004065 semiconductor Substances 0.000 claims description 29
- 238000005530 etching Methods 0.000 claims description 25
- 238000000151 deposition Methods 0.000 claims description 14
- 238000000206 photolithography Methods 0.000 claims description 6
- 238000001312 dry etching Methods 0.000 claims description 4
- 230000009977 dual effect Effects 0.000 claims description 3
- 239000010410 layer Substances 0.000 description 94
- 239000010408 film Substances 0.000 description 13
- 238000004380 ashing Methods 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 10
- 230000000873 masking effect Effects 0.000 description 9
- 239000000463 material Substances 0.000 description 6
- 229910052750 molybdenum Inorganic materials 0.000 description 6
- 238000002834 transmittance Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000002829 reductive effect Effects 0.000 description 4
- 229910052779 Neodymium Inorganic materials 0.000 description 3
- 239000000956 alloy Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 229910052804 chromium Inorganic materials 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 239000002356 single layer Substances 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000035515 penetration Effects 0.000 description 2
- 238000001020 plasma etching Methods 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000002207 thermal evaporation Methods 0.000 description 2
- 238000006243 chemical reaction Methods 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
- 230000008021 deposition Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical compound FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F1/00—Originals for photomechanical production of textured or patterned surfaces, e.g., masks, photo-masks, reticles; Mask blanks or pellicles therefor; Containers specially adapted therefor; Preparation thereof
- G03F1/36—Masks having proximity correction features; Preparation thereof, e.g. optical proximity correction [OPC] design processes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/2022—Multi-step exposure, e.g. hybrid; backside exposure; blanket exposure, e.g. for image reversal; edge exposure, e.g. for edge bead removal; corrective exposure
-
- 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
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0272—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers for lift-off processes
-
- 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
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
- H01L21/0273—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers characterised by the treatment of photoresist layers
- H01L21/0274—Photolithographic processes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers
- H01L27/12—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body
- H01L27/1214—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having potential barriers; including integrated passive circuit elements having potential barriers the substrate being other than a semiconductor body, e.g. an insulating body comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1288—Multistep manufacturing methods employing particular masking sequences or specially adapted masks, e.g. half-tone mask
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Liquid Crystal (AREA)
- Thin Film Transistor (AREA)
- Drying Of Semiconductors (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
2 ゲート・ライン
3 ゲート絶縁層
4 半導体層
5 ドープ半導体層
6 ソース電極
7 ドレイン電極
8 パッシべーション層
9 透明共通電極
10 フォトレジスト
11 ゲート・ライン
12 データ・ライン
13 画素電極
15 アンダーライン・レイア(underlying layer)
21 透明導電薄膜
22 ゲート金属薄膜
Claims (9)
- フォトレジストの縁部のバリの形成方法であって、
アンダーライン・レイア(underlying layer)にフォトレジストを塗布するステップと、
その後に堆積される構造層を破断させるバリをフォトレジストに形成するステップと、
を備え、
その後に堆積される構造層を破断させるバリをフォトレジストに形成するステップは、さらに、
透明領域と不透明領域を含むマスクで露光と現像処理を行い、構造パターンが形成されない領域に対応するフォトレジスト完全保留領域と、フォトレジストが完全に除去され、構造パターンが形成される領域に対応するフォトレジスト完全除去領域とをそれぞれフォトレジストに形成するステップと、
二周波プラズマ体モードで前記フォトレジストに対してドライエッチングを行い、前記フォトレジストの中間部分に対するエッチングのスピードを速くさせ、両側の縁部に対するエッチングのスピードを遅くさせ、前記フォトレジストの縁部に山状の縁部のバリを形成するステップと、
を備えることを特徴とするフォトレジストの縁部のバリの形成方法。 - 請求項1に記載のフォトレジストの縁部のバリの形成方法により、縁部のバリを有するフォトレジストを基板に形成するステップと、
当該基板に構造層を堆積するステップと、
剥離工程により、フォトレジスト層及び前記フォトレジスト層の上に堆積された構造層を剥離し、前記構造層の保留された部分が構造パターンを形成するステップと、を備えることを特徴とする構造パターンの形成方法。 - 前記構造パターンはゲート・ラインと、ゲート電極パターンであることを特徴とする請求項2に記載の構造パターンの形成方法。
- 前記構造パターンはデータ・ラインと、ソース電極と、ドレイン電極と、TFTチャネル領域パターンであることを特徴とする請求項2に記載の構造パターンの形成方法。
- 前記構造パターンは画素電極パターンであることを特徴とする請求項2に記載の構造パターンの形成方法。
- 基板にゲート・ラインとゲート電極パターンを形成するステップ1と、
フォトリソグラフィ工程を含むパターニング工程により、ステップ1を経た基板にデータ・ラインと、ソース電極と、ドレイン電極と、TFTチャネル領域パターンとを形成し、フォトリソグラフィ工程の中のフォトレジストを残し、当該基板にパッシべーション層を堆積し、剥離工程によりフォトレジスト及びその上のパッシべーション層を除去するステップ2と、
ステップ2を経た基板にフォトレジストを塗布し、請求項1〜5のいずれかに記載のフォトレジストの縁部のバリの形成方法により、当該フォトレジストに山状の縁部のバリを形成し、当該基板に透明導電薄膜を堆積し、剥離工程によりフォトレジスト及びその上の透明導電薄膜を剥離し、ドレイン電極に直接に接続する画素電極を形成するステップ3と、を備えることを特徴とするアレイ基板の製造方法。 - 前記ステップ1には、基板にゲート金属薄膜を堆積し、透明領域と不透明領域を含むマスクで第1回のパターンニング工程によってゲート・ラインとゲート電極パターンを形成することを備えることを特徴とする請求項6に記載のアレイ基板の製造方法。
- 前記ステップ1には、基板に透明導電薄膜とゲート金属薄膜を堆積し、ハーフトーン・マスク又はグレートーン・マスクで第1回のパターンニング工程によってゲート・ラインと、ゲート電極と、透明共通電極パターンを形成することを備えることを特徴とする請求項6に記載のアレイ基板の製造方法。
- 前記ステップ2には、ステップ1を経た基板にゲート絶縁層と、半導体層と、ドープ半導体層と、ソース・ドレイン金属薄膜とを順次堆積し、ハーフトーン・マスク又はグレートーン・マスクで第2回のパターンニング工程によってデータ・ラインと、ソース電極と、ドレイン電極と、TFTチャネル領域パターンとを形成し、その後、ソース電極と、ドレイン電極と、データ・ラインとにおけるフォトレジストを残し、基板にTFTチャネル領域を被覆するパッシべーション層を堆積し、剥離工程によってフォトレジストを除去するとともに、フォトレジストに付着しているパッシべーション層を除去し、ソース電極と、ドレイン電極と、データ・ラインとを露出することを備えることを特徴とする請求項6〜8のいずれかに記載のアレイ基板の製造方法。
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CN200810116879A CN101630640B (zh) | 2008-07-18 | 2008-07-18 | 光刻胶毛刺边缘形成方法和tft-lcd阵列基板制造方法 |
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KR101190045B1 (ko) * | 2005-12-21 | 2012-10-12 | 엘지디스플레이 주식회사 | 포토 마스크 및 이를 이용한 액정표시장치용 어레이 기판의제조 방법 |
CN100462825C (zh) | 2005-12-23 | 2009-02-18 | 北京京东方光电科技有限公司 | 一种薄膜晶体管液晶显示器的阵列基板结构及其制造方法 |
KR100978260B1 (ko) * | 2005-12-27 | 2010-08-26 | 엘지디스플레이 주식회사 | 액정표시장치 및 그 제조방법 |
JP5101059B2 (ja) * | 2006-07-28 | 2012-12-19 | 東京エレクトロン株式会社 | 半導体装置の製造方法、半導体装置の製造装置、コンピュータ記憶媒体及び処理レシピが記憶された記憶媒体 |
US8031312B2 (en) * | 2006-11-28 | 2011-10-04 | Lg Display Co., Ltd. | Array substrate for liquid crystal display device and method of manufacturing the same |
CN100466182C (zh) * | 2007-01-04 | 2009-03-04 | 北京京东方光电科技有限公司 | 金属导线、电极及薄膜晶体管阵列基板的制造方法 |
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US8298883B2 (en) | 2012-10-30 |
CN101630640A (zh) | 2010-01-20 |
JP2014179620A (ja) | 2014-09-25 |
US20100012945A1 (en) | 2010-01-21 |
KR20100009499A (ko) | 2010-01-27 |
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CN101630640B (zh) | 2012-09-26 |
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