JP4646912B2 - 薄膜回路の接合構造 - Google Patents
薄膜回路の接合構造 Download PDFInfo
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- JP4646912B2 JP4646912B2 JP2006519436A JP2006519436A JP4646912B2 JP 4646912 B2 JP4646912 B2 JP 4646912B2 JP 2006519436 A JP2006519436 A JP 2006519436A JP 2006519436 A JP2006519436 A JP 2006519436A JP 4646912 B2 JP4646912 B2 JP 4646912B2
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- 239000010409 thin film Substances 0.000 title claims description 44
- 229910000838 Al alloy Inorganic materials 0.000 claims description 110
- 239000010408 film Substances 0.000 claims description 66
- 238000010438 heat treatment Methods 0.000 claims description 34
- 229910000765 intermetallic Inorganic materials 0.000 claims description 30
- 230000033116 oxidation-reduction process Effects 0.000 claims description 15
- 229910052779 Neodymium Inorganic materials 0.000 claims description 8
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 239000002245 particle Substances 0.000 claims description 6
- 238000009792 diffusion process Methods 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 238000001556 precipitation Methods 0.000 claims description 4
- 229910052763 palladium Inorganic materials 0.000 claims description 3
- 229910052727 yttrium Inorganic materials 0.000 claims description 2
- 229910052738 indium Inorganic materials 0.000 claims 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 32
- 239000004973 liquid crystal related substance Substances 0.000 description 26
- 229910045601 alloy Inorganic materials 0.000 description 25
- 239000000956 alloy Substances 0.000 description 25
- 239000002244 precipitate Substances 0.000 description 25
- 238000012360 testing method Methods 0.000 description 21
- 230000000052 comparative effect Effects 0.000 description 20
- 238000005259 measurement Methods 0.000 description 16
- 239000000203 mixture Substances 0.000 description 15
- 230000035882 stress Effects 0.000 description 14
- 239000011651 chromium Substances 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 11
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 10
- 238000010406 interfacial reaction Methods 0.000 description 10
- 238000005304 joining Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 9
- 229910052759 nickel Inorganic materials 0.000 description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 8
- 239000000463 material Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 229910052782 aluminium Inorganic materials 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- QEFYFXOXNSNQGX-UHFFFAOYSA-N neodymium atom Chemical compound [Nd] QEFYFXOXNSNQGX-UHFFFAOYSA-N 0.000 description 6
- 229910006404 SnO 2 Inorganic materials 0.000 description 5
- 229910052786 argon Inorganic materials 0.000 description 5
- 239000011521 glass Substances 0.000 description 5
- 238000004544 sputter deposition Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 229910052804 chromium Inorganic materials 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000000691 measurement method Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- 230000004913 activation Effects 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910017052 cobalt Inorganic materials 0.000 description 3
- 239000010941 cobalt Substances 0.000 description 3
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 3
- 239000000470 constituent Substances 0.000 description 3
- 238000003487 electrochemical reaction Methods 0.000 description 3
- 229910003437 indium oxide Inorganic materials 0.000 description 3
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000000007 visual effect Effects 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 230000009429 distress Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910021607 Silver chloride Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021417 amorphous silicon Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000001721 carbon Chemical class 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 238000005352 clarification Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002845 discoloration Methods 0.000 description 1
- 238000002003 electron diffraction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- HKZLPVFGJNLROG-UHFFFAOYSA-M silver monochloride Chemical compound [Cl-].[Ag+] HKZLPVFGJNLROG-UHFFFAOYSA-M 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000243 solution Substances 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
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
- XLOMVQKBTHCTTD-UHFFFAOYSA-N zinc oxide Inorganic materials [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13458—Terminal pads
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
-
- 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
- H01L27/124—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 with a particular composition, shape or layout of the wiring layers specially adapted to the circuit arrangement, e.g. scanning lines in LCD pixel circuits
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Liquid Crystal (AREA)
- Electrodes Of Semiconductors (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
[特許文献1]国際公開WO97/13885
[特許文献2]特開2004−214606
[図2]実施例のAl合金電極層とITO電極層との接合部断面をTEMにより観察した写真。
[図3]図2の接合部断面の拡大写真。
[図4]ITO電極層とAl合金電極層とをクロスして積層した試験サンプル概略斜視図。
[図5]実施例の場合の電流−電圧特性を測定したグラフ。
[図6]比較例の場合の電流−電圧特性を測定したグラフ。
[図7]接合耐久特性を測定したアレニウスプロットグラフ。
[図8]電極層に加わる応力と熱処理温度との関係を示すグラフ。
[図9]接合抵抗とITO電位差の関係を示すグラフ。
[図10]熱処理後のAl合金電極層表面のSEM観察写真。
[図11]IZO電極層との寿命耐久試験の結果を示す接合抵抗値グラフ。
Claims (8)
- 透明電極層と、当該透明電極層に直接接合されるAl合金電極層と、を備えた薄膜回路の接合構造において、
Al合金電極層には、−1.2V〜−0.6Vの範囲内にある酸化還元電位を有し、かつ平均粒径10nm〜150nmの金属間化合物が析出しており、当該Al合金電極層は、300℃、1時間の熱処理後の比抵抗値が3.5〜35μΩcmであるとともに、300℃、1時間の熱処理後のAl合金電極層表面に形成されるディンプル発生率が3.0%以下であり、
透明電極層はインジウム系酸化物を含む膜からなり、当該透明電極とAl合金電極層との接合抵抗値が1〜200Ω/□10μmであることを特徴とする薄膜回路の接合構造。 - 透明電極層とAl合金電極層との界面部分に透明電極の酸化還元電位±0.2V以内の酸化還元電位を有し、かつ平均粒径10nm〜150nmの金属間化合物が析出している請求項1に記載の薄膜回路の接合構造。
- 透明電極層とAl合金電極層とを直接接合した後に280℃〜500℃の熱処理を施されたものである請求項1または請求項2に記載の薄膜回路の接合構造。
- 金属間化合物と透明電極層との界面に、厚さ3nm〜20nmの接合拡散層が存在している請求項1〜請求項3いずれかに記載の薄膜回路の接合構造。
- 透明電極層とAl合金電極層とを直接接合させた後に不活性ガス雰囲気で熱処理を施されたものである請求項1〜請求項4いずれかに記載の薄膜回路の接合構造。
- Al合金電極層の混成電位が−1.4V〜−0.6Vである請求項1〜請求項5いずれかに記載の薄膜回路の接合構造。
- 金属間化合物が、少なくともCo、Fe、Nd、Y、Pdを含む請求項1〜請求項6いずれかに記載の薄膜回路の接合構造。
- 金属間化合物が、Alを含む請求項1〜請求項7いずれかに記載の薄膜回路の接合構造。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004090316 | 2004-03-25 | ||
JP2004090316 | 2004-03-25 | ||
JP2004329554 | 2004-11-12 | ||
JP2004329554 | 2004-11-12 | ||
PCT/JP2005/005118 WO2005093505A1 (ja) | 2004-03-25 | 2005-03-22 | 薄膜回路の接合構造 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2005093505A1 JPWO2005093505A1 (ja) | 2008-02-14 |
JP4646912B2 true JP4646912B2 (ja) | 2011-03-09 |
Family
ID=35056341
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006519436A Active JP4646912B2 (ja) | 2004-03-25 | 2005-03-22 | 薄膜回路の接合構造 |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP4646912B2 (ja) |
KR (1) | KR100781434B1 (ja) |
TW (2) | TWI298351B (ja) |
WO (1) | WO2005093505A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100817630B1 (ko) | 2006-04-14 | 2008-03-27 | 비오이 하이디스 테크놀로지 주식회사 | 알루미늄-탄소 합금 베이스 금속막 상의 투명 도전막형성방법 및 이를 이용한 박막트랜지스터 액정표시장치의어레이 기판의 제조방법 |
JP4728170B2 (ja) * | 2006-05-26 | 2011-07-20 | 三菱電機株式会社 | 半導体デバイスおよびアクティブマトリクス型表示装置 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08250494A (ja) * | 1995-03-08 | 1996-09-27 | Ibm Japan Ltd | 配線材料、金属配線層の形成方法 |
WO1997013885A1 (en) * | 1995-10-12 | 1997-04-17 | Kabushiki Kaisha Toshiba | Wiring film, sputter target for forming the wiring film and electronic component using the same |
JPH11284195A (ja) * | 1998-03-31 | 1999-10-15 | Mitsubishi Electric Corp | 薄膜トランジスタおよび該薄膜トランジスタを用いた液晶表示装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3940385B2 (ja) * | 2002-12-19 | 2007-07-04 | 株式会社神戸製鋼所 | 表示デバイスおよびその製法 |
-
2005
- 2005-03-22 WO PCT/JP2005/005118 patent/WO2005093505A1/ja active Application Filing
- 2005-03-22 JP JP2006519436A patent/JP4646912B2/ja active Active
- 2005-03-22 KR KR1020057021970A patent/KR100781434B1/ko active IP Right Grant
- 2005-03-22 TW TW094108743A patent/TWI298351B/zh not_active IP Right Cessation
- 2005-08-22 TW TW094128571A patent/TW200624568A/zh unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08250494A (ja) * | 1995-03-08 | 1996-09-27 | Ibm Japan Ltd | 配線材料、金属配線層の形成方法 |
WO1997013885A1 (en) * | 1995-10-12 | 1997-04-17 | Kabushiki Kaisha Toshiba | Wiring film, sputter target for forming the wiring film and electronic component using the same |
JPH11284195A (ja) * | 1998-03-31 | 1999-10-15 | Mitsubishi Electric Corp | 薄膜トランジスタおよび該薄膜トランジスタを用いた液晶表示装置 |
Also Published As
Publication number | Publication date |
---|---|
TWI298351B (en) | 2008-07-01 |
TW200624568A (en) | 2006-07-16 |
WO2005093505A1 (ja) | 2005-10-06 |
KR20060012627A (ko) | 2006-02-08 |
JPWO2005093505A1 (ja) | 2008-02-14 |
TW200536944A (en) | 2005-11-16 |
KR100781434B1 (ko) | 2007-12-03 |
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