JP2005530348A - 金属パターンの形成方法及びこれを用いる薄膜トランジスタ基板の製造方法 - Google Patents
金属パターンの形成方法及びこれを用いる薄膜トランジスタ基板の製造方法 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 104
- 239000010409 thin film Substances 0.000 title claims abstract description 80
- 238000000034 method Methods 0.000 title claims abstract description 74
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 64
- 239000002184 metal Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 49
- 150000002902 organometallic compounds Chemical class 0.000 claims abstract description 60
- 125000002524 organometallic group Chemical group 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 16
- 239000010410 layer Substances 0.000 claims description 188
- 229910021417 amorphous silicon Inorganic materials 0.000 claims description 37
- 239000010408 film Substances 0.000 claims description 32
- 239000011241 protective layer Substances 0.000 claims description 23
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 20
- 229910052709 silver Inorganic materials 0.000 claims description 20
- 239000004332 silver Substances 0.000 claims description 20
- 239000003960 organic solvent Substances 0.000 claims description 18
- 239000004065 semiconductor Substances 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000001681 protective effect Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000001259 photo etching Methods 0.000 claims description 7
- 238000000059 patterning Methods 0.000 claims description 2
- 229910021419 crystalline silicon Inorganic materials 0.000 claims 1
- 238000003860 storage Methods 0.000 description 27
- 239000003990 capacitor Substances 0.000 description 17
- 239000012535 impurity Substances 0.000 description 13
- 238000005530 etching Methods 0.000 description 7
- 239000013110 organic ligand Substances 0.000 description 7
- 238000000576 coating method Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 6
- 150000002736 metal compounds Chemical class 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004528 spin coating Methods 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 238000005401 electroluminescence Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 238000006303 photolysis reaction Methods 0.000 description 2
- 230000015843 photosynthesis, light reaction Effects 0.000 description 2
- 230000007261 regionalization Effects 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000004049 embossing Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- -1 region Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
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Abstract
【解決手段】本発明に係る金属パターンの形成方法は、感光性の有機金属錯体を塗布して有機金属化合物層を形成する段階と、前記有機金属化合物層を光マスクを通じて露光する段階と、前記有機金属化合物層を現像して金属パターンを形成する段階と、を含む。これにより、金属パターンの形成過程を単純化できる。更に、この金属パターンを薄膜トランジスタに適用することにより、薄膜トランジスタ基板の製造方法を単純化することができる。
Description
第2実施例
図12aは本発明の第2実施例による薄膜トランジスタ基板の配置図であり、図12b、図12cは図12aの薄膜トランジスタ基板に示すXIIIb-XIIIb´及びXIIIc-XII
Ic´による断面図である。
97 補助データパッド
110 絶縁基板
121 ゲート線
123 ゲート電極
125 ゲートパッド
131 維持電極線
140 ゲート絶縁層
151,153,157,159 半導体層
161,163,165 抵抗接触層
171 データ線
173 ソース電極
175 ドレイン電極
177 維持容量電極
179 データパッド
190 画素電極
Claims (13)
- 感光性の有機金属錯体を塗布して有機金属化合物層を形成する段階と、
前記有機金属化合物層を光マスクを通じて露光する段階と、
前記有機金属化合物層を現像して金属パターンを形成する段階と、
を含むことを特徴とする金属パターンの形成方法。 - 前記有機金属化合物層の現像は有機溶媒を用いて行われることを特徴とする、請求項1に記載の金属パターンの形成方法。
- 前記光マスクの光遮断パターンは、前記金属パターンが形成される部分以外の領域に形成されることを特徴とする、請求項1に記載の金属パターン形成方法。
- 絶縁基板上に、ゲート線とゲート電極とゲートパッドとを含むゲート配線を形成する段階と、
前記ゲート配線上に、ゲート絶縁層と非晶質シリコン層と抵抗性接触層とを順次に積層する段階と、
前記抵抗性接触層及び前記非晶質シリコン層を写真エッチングしてパターニングする段階と、
前記抵抗性接触層上に、ソース電極、ドレイン電極、データ線及びデータパッドを含むデータ配線を形成する段階と、
前記データ配線上に前記ドレイン電極を露出する第1接触孔と、前記ゲートパッドを露出する第2接触孔と、前記データパッドを露出する第3接触孔と、を有する保護層を形成する段階と、
前記保護層上に前記第1接触孔を通じて前記ドレイン電極と連結される画素電極と、前記第2接触孔を通じて前記ゲートパッドと連結される補助ゲートパッドと、前記第3接触孔を通じて前記データパッドと連結される補助データパッドと、を形成する段階と、
を含み、前記ゲート配線形成段階、前記データ配線形成段階及び前記画素電極形成段階のうちの少なくとも一つの段階は、
感光性の有機金属錯体を塗布して有機金属化合物層を形成する段階と、
前記有機金属化合物層上の所定領域が露出するように光マスクを配置する段階と、
前記光マスクを通じて前記有機金属化合物層を露光する段階と、
前記有機金属化合物層を現像する段階と、
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。 - 絶縁基板上に、ゲート線とゲート電極とゲートパッドとを含むゲート配線を形成する段階と、
前記ゲート配線上に、ゲート絶縁層と非晶質シリコン層と抵抗性接触層と金属層とを順次に積層する段階と、
前記金属層と前記抵抗性接触層と前記非晶質シリコン層とを写真エッチングして、ソース電極とドレイン電極とデータ線とデータパッドとを含むデータ配線及びソース電極とドレイン電極との間のチャンネル部を形成する段階と、
前記データ配線上に第1乃至第3接触孔を含む保護層を形成する段階と、
前記保護層上に前記第1接触孔を通じて前記ドレイン電極と連結される画素電極と、前記第2接触孔を通じて前記ゲートパッドと連結される補助ゲートパッドと、前記第3接触孔を通じて前記データパッドと連結される補助データパッドとを形成する段階と、
を含み、前記ゲート配線形成段階、前記データ配線形成段階及び前記画素電極形成段階のうちの少なくとも一つの段階は、
感光性の有機金属錯体を塗布して有機金属化合物層を形成する段階と、
前記有機金属化合物層上の所定領域が露出するように光マスクを配置する段階と、
前記光マスクを通じて前記有機金属化合物層を露光する段階と、
前記有機金属化合物層を現像する段階と、
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。 - 前記有機金属化合物層の現像は有機溶媒を用いて行われることを特徴とする、請求項4または請求項5に記載の薄膜トランジスタ基板の製造方法。
- 前記光マスクの光遮断パターンは、信号配線もしくは前記画素電極が形成される部分以外の領域に形成されることを特徴とする請求項4または請求項5に記載の薄膜トランジスタ基板の製造方法。
- 前記金属は銀Agであることを特徴とする請求項4または請求項5に記載の薄膜トランジスタ基板の製造方法。
- 前記保護層の表面は凹凸の形状であることを特徴とする請求項4または請求項5に記載の薄膜トランジスタ基板の製造方法。
- 絶縁基板と、
前記絶縁基板上に形成されているゲート配線と、
前記ゲート配線上に形成されているゲート絶縁膜と、
前記ゲート絶縁膜上に形成されている半導体層と、
前記半導体層及び前記ゲート絶縁膜上に形成されているデータ配線と、
前記データ配線上に形成されている保護膜と、
前記保護膜上に形成されている画素電極と、
を含み、前記ゲート配線、前記データ配線及び前記画素電極のうちの少なくとも一つは、
感光性の有機金属錯体を塗布して有機金属化合物層を形成する手段と、
前記有機金属化合物層上の所定領域が露出するように光マスクを配置する手段と、
前記光マスクを通じて前記有機金属化合物層を露光する手段と、
前記有機金属化合物層を現像する手段と、
を含む金属パターン形成手段に基づいて形成されている薄膜トランジスタ基板。 - 前記半導体層は非晶質シリコン層と抵抗性接触層とを含み、
前記抵抗性接触層は、前記データ配線と同一平面パターンを有し、前記非晶質シリコン層は、チャンネル領域以外の部分で前記抵抗性接触層と同一平面パターンを有してい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。 - 絶縁基板と、
前記絶縁基板上に形成されているゲート配線と、
前記ゲート配線上に形成されているゲート絶縁膜と、
前記ゲート絶縁膜上に形成され、非晶質シリコン層、抵抗性接触層及び金属層の3重層からなるデータ配線と、
前記データ配線上に形成されている保護膜と、
前記保護膜上に形成されている画素電極と、
を含み、前記ゲート配線、前記データ配線及び前記画素電極のうちの少なくとも一つは、
感光性の有機金属錯体を塗布して有機金属化合物層を形成する手段と、
前記有機金属化合物層上の所定領域が露出するように光マスクを配置する手段と、
前記光マスクを通じて前記有機金属化合物層を露光する手段と、
前記有機金属化合物層を現像する手段と、
を含む金属パターン形成手段に基づいて形成されていることを特徴とする薄膜トランジスタ基板。 - 前記データ配線は、データ線と、前記データ線に連結されているソース電極と、前記ソース電極と対向しているドレイン電極と、を含み、前記ソース電極と前記ドレイン電極との間には、非晶質シリコン層のみで形成されたチャンネル部が設けられていることを特徴とする請求項12に記載の薄膜トランジスタ基板。
Applications Claiming Priority (2)
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KR1020020032884A KR100878236B1 (ko) | 2002-06-12 | 2002-06-12 | 금속 패턴의 형성 방법 및 이를 이용한 박막 트랜지스터기판의 제조 방법 |
PCT/KR2002/001391 WO2003107434A1 (en) | 2002-06-12 | 2002-07-24 | A method of forming a metal pattern and a method of fabricating tft array panel by using the same |
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US (1) | US20060011912A1 (ja) |
JP (1) | JP2005530348A (ja) |
KR (1) | KR100878236B1 (ja) |
CN (1) | CN100442539C (ja) |
AU (1) | AU2002313933A1 (ja) |
TW (1) | TWI298951B (ja) |
WO (1) | WO2003107434A1 (ja) |
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KR20030095605A (ko) | 2003-12-24 |
CN1623236A (zh) | 2005-06-01 |
AU2002313933A1 (en) | 2003-12-31 |
WO2003107434A1 (en) | 2003-12-24 |
KR100878236B1 (ko) | 2009-01-13 |
TWI298951B (en) | 2008-07-11 |
CN100442539C (zh) | 2008-12-10 |
US20060011912A1 (en) | 2006-01-19 |
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