JP2009278105A - 薄膜トランジスタの製造方法 - Google Patents
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Abstract
【解決手段】本発明の薄膜トランジスタの製造方法は、カーボンナノチューブアレイを提供する第一ステップと、前記カーボンナノチューブアレイから、少なくとも、一枚のカーボンナノチューブフィルムを引き伸ばす第二ステップと、絶縁基板を提供し、該絶縁基板の表面に少なくとも一枚の前記カーボンナノチューブフィルムを設置し、半導体層を形成する第三ステップと、前記半導体層にソース電極及びドレイン電極を分離して形成し、該ソース電極及びドレイン電極を前記半導体層に電気的に接続させる第四ステップと、前記半導体層に絶縁層を形成する第五ステップと、前記絶縁層の表面にゲート電極を形成し、薄膜トランジスタを形成する第六ステップと、を含む。
【選択図】図1
Description
トランジスタの製造方法に関するものである。
図1と図2を参照すると、本発明の実施例1は、トップゲート型(Top Gate Type)薄膜トランジスタ10の製造方法を提供する。該製造方法は、下記のステップを含む。
図4と図5を参照すると、本実施例は、ボトムゲート型(Bottom Gate Type)薄膜トランジスタ20の製造方法を提供する。該製造方法は、前記実施例1の薄膜トランジスタ10の製造方法と基本的に同じである。
図6を参照すると、本施例は、トップゲート型薄膜トランジスタアレイの製造方法を提供する。該製造方法は、前記実施例1の薄膜トランジスタの製造方法と基本的に同じである。異なる所は、本実施例が一つの絶縁基板に複数の薄膜トランジスタを形成し、薄膜トランジスタアレイを形成することである。具体的には、下記のステップを含む。
本実施例は、ボトムゲート型薄膜トランジスタアレイの製造方法を提供する。該製造方法は、前記実施例2の製造方法と基本的に同じで、具体的には、下記のステップを含む。カーボンナノチューブアレイを提供する第一ステップと、前記カーボンナノチューブアレイから、少なくとも、一枚のカーボンナノチューブフィルムを引き伸ばす第二ステップと、絶縁基板を提供し、該絶縁基板の表面に複数のゲート電極を形成する第三ステップと、前記の複数のゲート電極を被覆するように、絶縁層を形成する第四ステップと、前記絶縁層の表面に少なくとも、一枚のカーボンナノチューブフィルムを設置し、該カーボンナノチューブフィルムをパターン化し、複数の半導体層を形成し、該複数の半導体層が前記絶縁層により複数の前記ゲート電極に対向し、絶縁的に設置される第五ステップと、前記半導体層の表面に、ソース電極及びドレイン電極を分離して形成し、該ソース電極及びドレイン電極を前記半導体層に電気的に接続させる第六ステップと、を含む。
110、210 絶縁基板
120、220 ゲート電極
130、230 絶縁層
140、240 半導体層
151、251 ソース電極
152、252 ドレイン電極
Claims (6)
- カーボンナノチューブアレイを提供する第一ステップと、
前記カーボンナノチューブアレイから、少なくとも、一枚のカーボンナノチューブフィルムを引き伸ばす第二ステップと、
絶縁基板を提供し、該絶縁基板の表面に少なくとも一枚の前記カーボンナノチューブフィルムを設置し、半導体層を形成する第三ステップと、
前記半導体層にソース電極及びドレイン電極を分離して形成し、該ソース電極及びドレイン電極を前記半導体層に電気的に接続させる第四ステップと、
前記半導体層に絶縁層を形成する第五ステップと、
前記絶縁層の表面にゲート電極を形成し、薄膜トランジスタを形成する第六ステップと、を含むことを特徴とする薄膜トランジスタの製造方法。 - カーボンナノチューブアレイを提供する第一ステップと、
前記カーボンナノチューブアレイから、少なくとも、一枚のカーボンナノチューブフィルムを引き伸ばす第二ステップと、
絶縁基板を提供し、該絶縁基板の表面にゲート電極を形成する第三ステップと、
前記ゲート電極を被覆するように絶縁層を形成する第四ステップと、
前記絶縁層の表面に少なくとも、一枚のカーボンナノチューブフィルムを設置し、半導体層を形成する第五ステップと、
前記半導体層の表面に、ソース電極及びドレイン電極を分離して形成し、該ソース電極及びドレイン電極を前記半導体層に電気的に接続させる第六ステップと、を含むことを特徴とする薄膜トランジスタの製造方法。 - 前記カーボンナノチューブフィルムが所定の方向に沿って配列された複数のカーボンナノチューブを含み、各々のカーボンナノチューブが分子間力で緊密に連接されることを特徴とする、請求項1又は2に記載の薄膜トランジスタの製造方法。
- 前記ソース電極及び前記ドレイン電極を、前記カーボンナノチューブフィルムにおけるカーボンナノチューブが配列した方向に沿って設置することを特徴とする、請求項1から3のいずれか一項に記載の薄膜トランジスタの製造方法。
- 前記ソース電極及び前記ドレイン電極を分離して形成した後、該ソース電極と該ドレイン電極に電圧を印加し、前記カーボンナノチューブフィルムにおける、金属性のカーボンナノチューブを焼切り、金属性のカーボンナノチューブを除去することを特徴とする、請求項1から4のいずれか一項に記載の薄膜トランジスタの製造方法。
- 少なくとも一枚の前記カーボンナノチューブフィルムを設置した後、水素プラズマ、マイクロ波、テラヘルツ波、赤外光、紫外光又は可視光で前記カーボンナノチューブフィルムを照射し、前記カーボンナノチューブフィルムにおける、金属性のカーボンナノチューブを焼切り、金属性のカーボンナノチューブを除去することを特徴とする、請求項1から4のいずれか一項に記載の薄膜トランジスタの製造方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810067163.6 | 2008-05-14 | ||
| CN200810067163.6A CN101582382B (zh) | 2008-05-14 | 2008-05-14 | 薄膜晶体管的制备方法 |
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| JP2009278105A true JP2009278105A (ja) | 2009-11-26 |
| JP5139367B2 JP5139367B2 (ja) | 2013-02-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018193289A (ja) * | 2017-05-17 | 2018-12-06 | ツィンファ ユニバーシティ | カーボンナノチューブ構造体 |
| JP2018195795A (ja) * | 2017-05-17 | 2018-12-06 | ツィンファ ユニバーシティ | 薄膜トランジスタ |
| JP2019119864A (ja) * | 2017-12-28 | 2019-07-22 | ツィンファ ユニバーシティ | カーボンナノチューブ構造体の両面テープ |
| US10676359B2 (en) | 2017-05-17 | 2020-06-09 | Tsinghua University | Method for making carbon nanotubes |
| US10784444B2 (en) | 2017-05-17 | 2020-09-22 | Tsinghua University | Light detector |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101239712B (zh) * | 2007-02-09 | 2010-05-26 | 清华大学 | 碳纳米管薄膜结构及其制备方法 |
| CN101315974B (zh) * | 2007-06-01 | 2010-05-26 | 清华大学 | 锂离子电池负极及其制备方法 |
| CN101400198B (zh) | 2007-09-28 | 2010-09-29 | 北京富纳特创新科技有限公司 | 面热光源,其制备方法及应用其加热物体的方法 |
| CN101409962B (zh) | 2007-10-10 | 2010-11-10 | 清华大学 | 面热光源及其制备方法 |
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| CN101582382B (zh) | 2011-03-23 |
| US7947542B2 (en) | 2011-05-24 |
| JP5139367B2 (ja) | 2013-02-06 |
| US20100075469A1 (en) | 2010-03-25 |
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