JP2007005790A - エッチング液、これを用いた配線形成方法及び薄膜トランジスタ基板の製造方法 - Google Patents
エッチング液、これを用いた配線形成方法及び薄膜トランジスタ基板の製造方法 Download PDFInfo
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Abstract
【解決手段】エッチング液、これを利用する配線形成方法及び薄膜トランジスタ基板の製造方法が提供される。モリブデン/銅/窒化モリブデン多重膜配線用エッチング液は過酸化水素10ないし20重量%、有機酸1ないし5重量%、トリアゾール系化合物0.1ないし1重量%、ふっ素化合物0.01ないし0.5重量%及び残量の超純水を含む。
【選択図】図4
Description
22:ゲート線
24:ゲート終端
26:ゲート電極
27:蓄積電極
28:蓄積電極線
30:ゲート絶縁膜
40:半導体層
55、56:オーミックコンタクト層
62:データ線
65:ソース電極
66:ドレイン電極
67:ドレイン電極拡張部
68:データ終端
70:保護膜
82:画素電極
Claims (16)
- 過酸化水素10ないし20重量%、有機酸1ないし5重量%、トリアゾール系化合物0.1ないし1重量%、ふっ素化合物0.01ないし0.5重量%及び超純水を含むことを特徴とするモリブデン/銅/窒化モリブデン多重膜配線用エッチング液。
- 前記有機酸はクエン酸であり、前記トリアゾール系化合物はベンゾトリアゾルであり、前記ふっ素化合物はフッ化水素酸であることを特徴とする請求項1に記載のエッチング液。
- 基板上にモリブデン層、銅層及び窒化モリブデン層を順次的に積層して多重膜を形成し、
前記多重膜を過酸化水素10ないし20重量%、有機酸1ないし5重量%、トリアゾール0.1ないし1重量%、ふっ素化合物0.01ないし0.5重量%及び超純水を含むエッチング液を用いてエッチングすることを含むことを特徴とする配線形成方法。 - 前記有機酸はクエン酸であり、前記トリアゾール系化合物はベンゾトリアゾルであり、前記ふっ素化合物はフッ化水素酸であることを特徴とする請求項3に記載の配線形成方法。
- 前記基板は絶縁体または半導体で構成されることを特徴とする請求項3に記載の配線形成方法。
- 前記エッチングは20ないし50℃で行われることを特徴とする請求項3に記載の配線形成方法。
- 前記エッチングは噴射方式で行われることを特徴とする請求項3に記載の配線形成方法。
- 前記エッチングは50ないし120秒間行われることを特徴とする請求項3に記載の配線形成方法。
- 前記エッチングにおいては、前記多重膜を構成する窒化モリブデン、銅及びモリブデン層が一括的にエッチングされることを特徴とする請求項3に記載の配線形成方法。
- 基板上に多重膜を形成して、これをエッチングしてゲート配線を形成し
前記基板及び前記ゲート配線上にゲート絶縁膜及び半導体層を形成し、
前記半導体層上に多重膜を形成して、これをエッチングしてデータ配線を形成することを含み、
前記ゲート配線及び/または前記データ配線を形成する段階はモリブデン層、銅層及び窒化モリブデン層を順次的に積層して、過酸化水素10ないし20重量%、有機酸1ないし5重量%、トリアゾール0.1ないし1重量%、ふっ素化合物0.01ないし0.5重量%及び超純水を含むエッチング液を用いてエッチングすることを含むことを特徴とする薄膜トランジスタ基板の製造方法。 - 前記有機酸はクエン酸であり、前記トリアゾール系化合物はベンゾトリアゾルであり、前記ふっ素化合物はフッ化水素酸であることを特徴とする請求項10に記載の薄膜トランジスタ基板の製造方法。
- 前記エッチングは20ないし50℃で行われることを特徴とする請求項10に記載の薄膜トランジスタ基板の製造方法。
- 前記エッチングは噴射方式で行われることを特徴とする請求項10に記載の薄膜トランジスタ基板の製造方法。
- 前記エッチングは噴射方式で行われることを特徴とする請求項10に記載の薄膜トランジスタ基板の製造方法。
- 前記エッチングは50ないし120秒間行われることを特徴とする請求項10に記載の薄膜トランジスタ基板の製造方法。
- 前記エッチングにおいては前記多重膜を構成する窒化モリブデン、銅及びモリブデン層が一括的にエッチングされることを特徴とする請求項10に記載の薄膜トランジスタ基板の製造方法。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2005-0054015 | 2005-06-22 | ||
| KR1020050054015A KR101199533B1 (ko) | 2005-06-22 | 2005-06-22 | 식각액, 이를 이용하는 배선 형성 방법 및 박막 트랜지스터기판의 제조 방법 |
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| Publication Number | Publication Date |
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| JP2007005790A true JP2007005790A (ja) | 2007-01-11 |
| JP2007005790A5 JP2007005790A5 (ja) | 2009-05-07 |
| JP5111790B2 JP5111790B2 (ja) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2006163441A Active JP5111790B2 (ja) | 2005-06-22 | 2006-06-13 | エッチング液及びこれを用いた配線形成方法 |
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|---|---|
| US (1) | US7943519B2 (ja) |
| JP (1) | JP5111790B2 (ja) |
| KR (1) | KR101199533B1 (ja) |
| CN (1) | CN1884618B (ja) |
| TW (1) | TWI390018B (ja) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2008227508A (ja) * | 2007-03-15 | 2008-09-25 | Dongjin Semichem Co Ltd | 薄膜トランジスタ液晶表示装置のエッチング液組成物 |
| JP2008288575A (ja) * | 2007-05-17 | 2008-11-27 | Samsung Sdi Co Ltd | エッチング液、及びこれを用いた薄膜トランジスタを含む電子素子の製造方法 |
| JP2010080934A (ja) * | 2008-09-26 | 2010-04-08 | Techno Semichem Co Ltd | 液晶表示装置の銅及び銅/モリブデンまたは銅/モリブデン合金電極用の食刻組成物 |
| JP2010265524A (ja) * | 2009-05-15 | 2010-11-25 | Kanto Chem Co Inc | 銅含有積層膜用エッチング液 |
| JP2010537444A (ja) * | 2007-10-08 | 2010-12-02 | ビーエーエスエフ ソシエタス・ヨーロピア | エッチング剤組成物及び金属Cu/Moのためのエッチング方法 |
| WO2011078335A1 (ja) * | 2009-12-25 | 2011-06-30 | 三菱瓦斯化学株式会社 | エッチング液及びこれを用いた半導体装置の製造方法 |
| WO2012008192A1 (ja) * | 2010-07-15 | 2012-01-19 | シャープ株式会社 | 回路基板、表示装置、及び、回路基板の製造方法 |
| WO2014020892A1 (ja) * | 2012-08-01 | 2014-02-06 | パナソニック液晶ディスプレイ株式会社 | 薄膜トランジスタ及びその製造方法 |
| JP2016189477A (ja) * | 2016-06-08 | 2016-11-04 | パナソニック液晶ディスプレイ株式会社 | 薄膜トランジスタ |
| JP2017537222A (ja) * | 2014-10-10 | 2017-12-14 | サムヨン ピュアー ケミカルス カンパニー リミテッド | エッチング液組成物、多層膜のエッチング方法、並びに表示装置の製造方法 |
| JP2024072846A (ja) * | 2008-07-31 | 2024-05-28 | 株式会社半導体エネルギー研究所 | 表示装置 |
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| KR101353123B1 (ko) * | 2005-12-09 | 2014-01-17 | 동우 화인켐 주식회사 | 금속막 식각용액 |
| US8017950B2 (en) * | 2005-12-29 | 2011-09-13 | Lg Display Co., Ltd. | Organic electro-luminescence display device and method of manfacturing the same |
| KR20080008562A (ko) * | 2006-07-20 | 2008-01-24 | 삼성전자주식회사 | 어레이 기판의 제조방법, 어레이 기판 및 이를 갖는표시장치 |
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| WO2014020892A1 (ja) * | 2012-08-01 | 2014-02-06 | パナソニック液晶ディスプレイ株式会社 | 薄膜トランジスタ及びその製造方法 |
| US9543449B2 (en) | 2012-08-01 | 2017-01-10 | Panasonic Liquid Crystal Display Co., Ltd. | Thin film transistor and method of manufacturing the same |
| US9748396B2 (en) | 2012-08-01 | 2017-08-29 | Panasonic Liquid Crystal Display Co., Ltd. | Thin film transistor and method of manufacturing the same |
| JP2014032999A (ja) * | 2012-08-01 | 2014-02-20 | Panasonic Liquid Crystal Display Co Ltd | 薄膜トランジスタ及びその製造方法 |
| JP2017537222A (ja) * | 2014-10-10 | 2017-12-14 | サムヨン ピュアー ケミカルス カンパニー リミテッド | エッチング液組成物、多層膜のエッチング方法、並びに表示装置の製造方法 |
| US10501853B2 (en) | 2014-10-10 | 2019-12-10 | Samyoung Pure Chemicals Co., Ltd. | Etchant composition, method for etching multilayered film, and method for preparing display device |
| JP2016189477A (ja) * | 2016-06-08 | 2016-11-04 | パナソニック液晶ディスプレイ株式会社 | 薄膜トランジスタ |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI390018B (zh) | 2013-03-21 |
| US20060292888A1 (en) | 2006-12-28 |
| TW200702427A (en) | 2007-01-16 |
| JP5111790B2 (ja) | 2013-01-09 |
| US7943519B2 (en) | 2011-05-17 |
| CN1884618B (zh) | 2011-04-06 |
| CN1884618A (zh) | 2006-12-27 |
| KR20060134380A (ko) | 2006-12-28 |
| KR101199533B1 (ko) | 2012-11-09 |
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