JP2007227875A - 薄膜半導体装置、電子機器及び製造方法 - Google Patents
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- 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
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Abstract
【解決手段】基板と、上記基板上に形成された、薄膜素子を含む素子領域を有する薄膜回路層と、上記薄膜回路層の端部と上記素子領域との間に介在するように上記薄膜回路層に設けられた、周囲よりも相対的に機械的強度の低い低強度領域と、を備える。
【選択図】図1
Description
点で便利である。
まず、図1及び図2を参照して、本発明の薄膜回路装置の構成について説明する。
図5は、他の実施例を示している。この実施例では素子領域103を囲む低強度領域104が複数の溝によって構成されている。
この実施例では、凹状の断面形状を有する溝(低強度領域)を形成する工程において、プレーナ型薄膜トランジスタの構成要素であるシリコン薄膜層をエッチングストッパーとして用いている。
この実施例では、凹状の断面形状を有する溝(低強度領域)を形成する工程において、プレーナ型薄膜トランジスタの構成要素であるゲート電極材料をエッチングストッパーとして用いている。
この実施例では、トランジスタとして逆スタガ型薄膜トランジスタを用いる。そして、既述した凹状の断面形状を有する溝(低強度領域)を形成する工程(図8参照)において、逆スタガ型薄膜トランジスタの構成要素であるゲート電極をエッチングストッパーとして用いる。
この実施例では、凹状の断面形状を有する溝(低強度領域)を形成する工程において、プレーナ型薄膜トランジスタの構成要素である下地層をエッチングストッパーとして用いている。なお、実施例はプレーナ型薄膜トランジスタの製造過程と共に説明しているが、薄膜トランジスタの構造(タイプ)に関係なく適用することができる。
この実施例では、薄膜トランジスタの構成要素である層間絶縁膜を加工することによって凹状の断面形状を有する溝(低強度領域)を形成している。この実施例も薄膜トランジスタの構造に依らず適用することができるが、プレーナ型薄膜トランジスタを例にして説明する。
この実施例では、V字形状の断面形状を有する溝(低強度領域)を形成する方法について説明する。この実施例で説明する方法は、薄膜トランジスタの構造に依らず適用することができるが、以下の説明ではプレーナ型薄膜トランジスタの製造を例として説明する。
この実施例では、半楕円、半円若しくはそれ等の一部を含む形状の断面を有する溝を形成する方法について説明する。この実施例で説明する方法も、薄膜トランジスタの構造に依らず適用することができるが、以下の説明ではプレーナ型薄膜トランジスタの製造を例として説明する。
次に、低強度領域104を備えた薄膜回路層102をガラス基板表面に製造し、続いて該薄膜回路層102を可撓性の樹脂フィルム表面に転写することによって、柔軟性を備えた薄膜回路装置100を得る方法について述べる。
上述した低強度領域を有する薄膜回路装置を備える電子機器の例について説明する。
Claims (10)
- 基板と、
前記基板上に形成された、薄膜素子を含む素子領域を有する薄膜回路層と、
前記薄膜回路層の端部と前記素子領域との間に介在するように前記薄膜回路層に設けられた、周囲よりも相対的に機械的強度の低い低強度領域と、
を備える薄膜回路装置。 - 基板と、
前記基板上に形成された、薄膜素子を含む素子領域を有する薄膜回路層と、
前記薄膜回路層の端部と前記素子領域との間に当該素子領域を囲むように前記薄膜回路層に設けられた、周囲よりも相対的に機械的強度の低い低強度領域と、
を備える薄膜回路装置。 - 前記低強度領域は、前記素子領域を複数取り囲むように設けられる、請求項1又は2に記載の薄膜回路装置。
- 前記低強度領域は、前記素子領域を包囲するように形成された凹状溝を含んで構成される、請求項1乃至3のいずれかに記載の薄膜回路装置。
- 前記低強度領域は、前記素子領域を包囲する複数の凹状溝を含んで構成される、請求項1乃至4のいずれかに記載の薄膜回路装置。
- 前記凹状溝の断面形状が、V字形状、逆台形状、長方形状、半円形状及び半楕円形状のうちのいずれか、又はいずれかの断面形状の一部の形状を含む形状である、請求項4又は5に記載の薄膜回路装置。
- 請求項1乃至6のいずれかに記載の薄膜回路装置を備えることを特徴とする電子機器。
- 薄膜素子を含む薄膜回路層を基板上に形成する薄膜回路装置の製造方法であって、
前記基板上に薄膜素子を含む素子領域を形成する工程と、
前記素子領域の周囲に機械的強度の低い低強度領域を形成する工程と、を含み、
前記低強度領域の形成が前記素子領域へのコンタクトホールの形成と同時に行われる、
ことを特徴とする薄膜回路装置の製造方法。 - 前記低強度領域を形成する工程は、前記薄膜回路層をエッチングするプロセスである、請求項8に記載の薄膜回路装置の製造方法。
- 前記薄膜回路層は耐熱性の基板上で作製され、剥離されて、可撓性の基板上に移動されたものである、請求項8又は9に記載の薄膜回路装置の製造方法。
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JP2006273536A JP5344360B2 (ja) | 2006-01-24 | 2006-10-05 | 薄膜回路装置、電子機器及び製造方法 |
US11/625,978 US7843041B2 (en) | 2006-01-24 | 2007-01-23 | Thin-film circuit device having a low strength region, method for manufacturing the thin-film circuit device, and electronic apparatus |
CN201110314362.4A CN102412199B (zh) | 2006-01-24 | 2007-01-23 | 薄膜电路装置和电子设备 |
CN2007100043365A CN101009332B (zh) | 2006-01-24 | 2007-01-23 | 薄膜电路装置、电子设备和制造方法 |
KR1020070006917A KR101453080B1 (ko) | 2006-01-24 | 2007-01-23 | 박막 회로 장치, 전자 기기 및 제조 방법 |
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JP5066836B2 (ja) * | 2005-08-11 | 2012-11-07 | セイコーエプソン株式会社 | 電気光学装置及び電子機器 |
TWI470304B (zh) * | 2008-08-25 | 2015-01-21 | Nissha Printing | 觸控輸入裝置及電子機器 |
JP2012181445A (ja) | 2011-03-02 | 2012-09-20 | Seiko Epson Corp | 電気装置 |
JP2012243935A (ja) * | 2011-05-19 | 2012-12-10 | Sony Corp | デバイスおよび表示装置 |
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KR20070077775A (ko) | 2007-07-27 |
CN102412199B (zh) | 2014-04-02 |
US20070173031A1 (en) | 2007-07-26 |
CN101009332A (zh) | 2007-08-01 |
KR101453080B1 (ko) | 2014-10-27 |
JP5344360B2 (ja) | 2013-11-20 |
US7843041B2 (en) | 2010-11-30 |
CN102412199A (zh) | 2012-04-11 |
CN101009332B (zh) | 2011-12-14 |
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