JPWO2006019157A1 - 半導体素子及びその製造方法 - Google Patents
半導体素子及びその製造方法 Download PDFInfo
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- JPWO2006019157A1 JPWO2006019157A1 JP2006531873A JP2006531873A JPWO2006019157A1 JP WO2006019157 A1 JPWO2006019157 A1 JP WO2006019157A1 JP 2006531873 A JP2006531873 A JP 2006531873A JP 2006531873 A JP2006531873 A JP 2006531873A JP WO2006019157 A1 JPWO2006019157 A1 JP WO2006019157A1
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- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 150000003613 toluenes Chemical class 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000001947 vapour-phase growth Methods 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
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- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/468—Insulated gate field-effect transistors [IGFETs] characterised by the gate dielectrics
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Abstract
Description
2(−SiH2―NH−)+2O3→2(−SiO2−)+2NH3+O2 (3)
(−SiH2―NH−) + 2O → (−SiO2−) + NH3 (4)
この反応は、反応を起こさせるために特に高温にすることを要しないし、また触媒を用いることなく反応を進行させることが可能なため、室温近傍の温度で、なおかつ添加物等を用いることなくSiO2を作製することができるものである。また、反応のために供給される物質は酸素で、反応後の排出物質がアンモニアと酸素と、いずれも気体であることから、薄膜中に不純物が残存してしまう可能性がほとんどなく、高純度なSiO2を作製することができる。反応に水を使用しないために、残留吸着水などに基づく絶縁性劣化をも妨げることができる。また、本願発明の場合、活性オゾンもしくは原子状酸素の反応性が著しく高いため、SiN結合がほぼ完全になくなるまで反応を進行させることができ、高純度なSiO2薄膜を作製することができる。
3(−Si(CH3)2―O−) + 8O3 → 3(−SiO2−) + 6CO2+ 9H2O (5)
(−Si(CH3)2―O−) + 8O → (−SiO2−) + 2CO2+ 3H2O (6)
この反応は、反応を起こさせるために特に高温にすることを要しないし、また触媒を用いることなく反応を進行させることが可能なため、室温近傍の温度でなおかつ添加物等を用いることなくSiO2を作製することができるものである。アルキルシロキサンを転化してSiO2を作製する反応においては反応後の排出物として微量の水が生成されるので100℃以上の加熱処理を併せて行うことによって高純度なSiO2薄膜を作製することができる。
20 本願発明の実施例における封止層
30 本願発明の実施例におけるゲート電極
40 本願発明の実施例におけるゲート絶縁層
50 本願発明の実施例におけるドレイン及びソース電極
60 本願発明の実施例のおける半導体活性層
アントラセン、テトラセン、ペンタセンまたはその末端が置換されたこれらの誘導体。α−セクシチオフェン、ペリレンテトラカルボン酸二無水物(PTCDA)およびその末端が置換された誘導体。ナフタレンテトラカルボン酸二無水物(NTCDA)およびその末端が置換された誘導体。銅フタロシアニン及びその末端がフッ素などで置換された誘導体。銅フタロシアニンの銅が、ニッケル、酸化チタン、フッ素化アルミニウム等で置換された誘導体及びそれぞれの末端がフッ素などで置換された誘導体。フラーレン、ルブレン、コロネン、アントラジチオフェンおよびそれらの末端が置換された誘導体。ポリフェニレンビニレン、ポリチオフェン、ポリフルオレン、ポリフェニレン、ポリアセチレン、ポリアリルアミンおよびこれらの末端もしくは側鎖が置換された誘導体のポリマー。
Claims (8)
- 活性層が有機半導体により構成される薄膜トランジスタにおいて、可塑性を有するプラスチック基板上に酸化シリコン薄膜を含む薄膜層により形成される封止層、ゲート電極、酸化シリコン薄膜を含む薄膜層により形成されるゲート絶縁層、ソース及びドレイン電極並びに半導体活性層により構成されることを特徴とする薄膜トランジスタ。
- 上記封止層及び上記ゲート絶縁層を形成する酸化シリコン薄膜は、塗設により形成されることを特徴とする上記請求項1に記載の薄膜トランジスタ。
- 上記ゲート絶縁層を形成する酸化シリコン薄膜の表面粗さは、RMS値において0.5nm以下であることを特徴とする請求項1又は2のいずれかに記載の薄膜トランジスタ。
- 請求項1乃至3のいずれかに記載の封止層及びゲート絶縁層を形成する酸化シリコン薄膜は、シラザン結合(Si-N)又はシロキサン結合(Si-O)のうち、少なくとも一つを分子内に1個以上有するケイ素化合物を原料とし、該原料を溶液化した後、塗布薄膜化し、酸素を含む雰囲気下において光照射を行うことにより、酸化シリコンに転化させることにより形成することを特徴とする薄膜トランジスタの製造方法。
- 請求項5に記載の塗設用ケイ素化合物原料は、シクロテトラシラザン、オリゴシラザン、ポリシラザン、アルキルシロキサンの中の少なくとも一つから選択されることを特徴とする薄膜トランジスタの製造方法。
- 請求項4に記載の照射する光は、紫外光であることを特徴とする薄膜トランジスタの製造方法。
- 上記光照射時又は照射後の酸化シリコン薄膜を150℃以下の温度により焼成することを特徴とする請求項4記載の薄膜トランジスタの製造方法。
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JP5329038B2 (ja) * | 2006-12-21 | 2013-10-30 | 宇部日東化成株式会社 | 半導体装置及び半導体装置の製造方法 |
JP5470687B2 (ja) * | 2007-08-10 | 2014-04-16 | 富士通株式会社 | シリコン化合物、紫外線吸収体、多層配線装置の製造方法および多層配線装置 |
US8084372B2 (en) * | 2007-08-24 | 2011-12-27 | Tokyo Electron Limited | Substrate processing method and computer storage medium |
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US9082612B2 (en) * | 2010-12-22 | 2015-07-14 | Cheil Industries, Inc. | Composition for forming a silica layer, method of manufacturing the composition, silica layer prepared using the composition, and method of manufacturing the silica layer |
KR101387740B1 (ko) | 2011-01-07 | 2014-04-21 | 제일모직주식회사 | 실리카계 절연층 형성용 조성물, 실리카계 절연층 형성용 조성물의 제조방법, 실리카계 절연층 및 실리카계 절연층의 제조방법 |
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JP5962124B2 (ja) * | 2012-03-28 | 2016-08-03 | 株式会社明電舎 | 酸化膜の形成方法 |
CN104540884A (zh) * | 2012-06-25 | 2015-04-22 | 可隆工业株式会社 | 透明聚酰亚胺基底以及制备该基底的方法 |
US9613849B2 (en) | 2012-11-22 | 2017-04-04 | Shin-Etsu Chemical Co., Ltd. | Composite substrate manufacturing method, and composite substrate |
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