JP3949673B2 - 液晶表示器の製造方法 - Google Patents
液晶表示器の製造方法 Download PDFInfo
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- JP3949673B2 JP3949673B2 JP2004138651A JP2004138651A JP3949673B2 JP 3949673 B2 JP3949673 B2 JP 3949673B2 JP 2004138651 A JP2004138651 A JP 2004138651A JP 2004138651 A JP2004138651 A JP 2004138651A JP 3949673 B2 JP3949673 B2 JP 3949673B2
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- 238000004519 manufacturing process Methods 0.000 title claims description 41
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 32
- 239000010410 layer Substances 0.000 claims description 177
- 229910052751 metal Inorganic materials 0.000 claims description 52
- 239000002184 metal Substances 0.000 claims description 52
- 239000000758 substrate Substances 0.000 claims description 43
- 238000000034 method Methods 0.000 claims description 31
- 230000002093 peripheral effect Effects 0.000 claims description 29
- 239000011347 resin Substances 0.000 claims description 19
- 229920005989 resin Polymers 0.000 claims description 19
- 239000011241 protective layer Substances 0.000 claims description 16
- 239000003990 capacitor Substances 0.000 claims description 15
- 229920002120 photoresistant polymer Polymers 0.000 claims description 13
- 239000004065 semiconductor Substances 0.000 claims description 10
- 238000000059 patterning Methods 0.000 claims description 9
- 238000005530 etching Methods 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 8
- 238000005468 ion implantation Methods 0.000 claims description 5
- 150000002500 ions Chemical class 0.000 claims description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 229910000583 Nd alloy Inorganic materials 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 239000010409 thin film Substances 0.000 description 36
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 16
- 229920005591 polysilicon Polymers 0.000 description 16
- 239000011521 glass Substances 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000206 photolithography Methods 0.000 description 8
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 238000001312 dry etching Methods 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 239000011229 interlayer Substances 0.000 description 3
- 229910044991 metal oxide Inorganic materials 0.000 description 3
- 150000004706 metal oxides Chemical class 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 229910052814 silicon oxide Inorganic materials 0.000 description 3
- 238000001039 wet etching Methods 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 229910021417 amorphous silicon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000011259 mixed solution Substances 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
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 238000004040 coloring Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000036571 hydration Effects 0.000 description 1
- 238000006703 hydration reaction Methods 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000012495 reaction gas Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000243 solution Substances 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
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Description
本発明の第2の目的は、6つのマスクを使用して透過式および反射式の薄膜トランジスタ液晶表示器の製造方法を提供することにある。
本発明の第3の目的は、製造工程時間を短縮してコストを下げることができる、薄膜トランジスタ素子およびそのCMOS周辺制御回路を同時に形成する製造方法を提供することにある。
Claims (6)
- 基板を準備するステップと、
前記基板上に導電層を形成するステップと、
前記導電層上へ第1金属層を形成するステップと、
前記第1金属層上へ高濃度ドープト層を形成するステップと、
前記高濃度ドープト層、前記第1金属層および前記導電層をパターニングし、周辺制御回路領域、トランジスタ領域、反射領域、透過領域およびコンデンサ領域を定義するステップと、
前記基板および前記高濃度ドープト層上へ半導体層を形成するステップと、
前記半導体層上へ絶縁層を形成するステップと、
前記絶縁層、前記半導体層および前記高濃度ドープト層をパターニングし、ソース/ドレイン領域およびチャネル領域を定義するとともに、前記第1金属層を露出させるステップと、
前記基板、前記第1金属層および前記絶縁層上へ樹脂層を形成するステップと、
前記樹脂層をパターニングして、前記樹脂層の前記反射領域を連続した平坦でない表面を定義するステップと、
熱工程を行い、前記連続した平坦でない表面を溶融して滑らかな表面を形成するステップと、
前記樹脂層、前記基板、前記第1金属層および前記絶縁層上に第2金属層を形成するステップと、
前記第2金属層をパターニングし、ゲート構造、反射電極およびコンデンサ電極を定義するステップと、
前記ゲート構造、前記反射電極、前記基板、前記第1金属層、前記コンデンサ電極および前記絶縁層上へパターニングされたフォトレジスト層を形成するステップと、
前記パターニングされたフォトレジスト層をマスクにして、前記周辺制御回路領域に位置する前記ソース/ドレイン領域に対してイオン注入ステップを実施するステップと、
前記パターニングされたフォトレジスト層を除去するステップと、
前記ゲート構造、前記反射電極、前記基板、前記第1金属層、前記コンデンサ電極および前記絶縁層上へ保護層を形成するステップと、
前記保護層をパターニングして、前記透過領域を露出させるステップと、
前記第1金属層の一部をエッチング除去して、前記導電層を露出させるステップと、
を含むことを特徴とする液晶表示器の製造方法。 - 前記高濃度ドープト層はN型ドープトイオンを有し、前記イオン注入ステップはP型ドープトイオン注入であることを特徴とする請求項1記載の液晶表示器の製造方法。
- 前記高濃度ドープト層は、300〜2000Åの厚さを有し、前記絶縁層は500〜2000Åの厚さを有することを特徴とする請求項1記載の液晶表示器の製造方法。
- 前記半導体層は、500〜600Åの厚さを有することを特徴とする請求項1記載の液晶表示器の製造方法。
- 前記熱工程は、220℃の温度で1時間行うことを特徴とする請求項1記載の液晶表示器の製造方法。
- 前記第2金属層の材料は、Mo−Al合金またはAl−Nd合金から選択することを特徴とする請求項1記載の液晶表示器の製造方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004138651A JP3949673B2 (ja) | 2004-05-07 | 2004-05-07 | 液晶表示器の製造方法 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004138651A JP3949673B2 (ja) | 2004-05-07 | 2004-05-07 | 液晶表示器の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2005321534A JP2005321534A (ja) | 2005-11-17 |
| JP3949673B2 true JP3949673B2 (ja) | 2007-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2004138651A Expired - Fee Related JP3949673B2 (ja) | 2004-05-07 | 2004-05-07 | 液晶表示器の製造方法 |
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| Country | Link |
|---|---|
| JP (1) | JP3949673B2 (ja) |
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- 2004-05-07 JP JP2004138651A patent/JP3949673B2/ja not_active Expired - Fee Related
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| Publication number | Publication date |
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| JP2005321534A (ja) | 2005-11-17 |
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