JP4667051B2 - 半導体装置の作製方法 - Google Patents
半導体装置の作製方法 Download PDFInfo
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- JP4667051B2 JP4667051B2 JP2005019248A JP2005019248A JP4667051B2 JP 4667051 B2 JP4667051 B2 JP 4667051B2 JP 2005019248 A JP2005019248 A JP 2005019248A JP 2005019248 A JP2005019248 A JP 2005019248A JP 4667051 B2 JP4667051 B2 JP 4667051B2
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- film
- mask pattern
- insulating film
- organic film
- semiconductor
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Images
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- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Description
本実施形態では、主に図1を参照して、本発明に係るコンタクトホールの形成方法について説明する。
本実施形態では、図2、図3を参照して、本発明に係るボトムゲート型TFTの作製方法のうち、特に、チャネル保護型TFTの作製方法について説明する。
本実施形態では、図4、図5を参照して、本発明に係るボトムゲート型TFTの作製方法のうち、特に、チャネルエッチ型TFTの作製方法について説明する。
本実施形態では、図6、図7を参照して、本発明に係るトップゲート型TFTの作製方法について説明する。
11 導電膜又は半導体膜
12 有機膜
13 マスクパターン
14 島状有機膜
15 絶縁膜
16 コンタクトホール
17 導電体
100 基板
101 ノズル
102 ゲート電極
103 酸化チタン膜
104 ゲート絶縁膜
104a SiNx膜
104b SiOx膜
104c SiNx膜
105 半導体膜
106 絶縁膜
107 マスクパターン
108 チャネル保護膜
109 n型半導体膜
110 第2のマスクパターン
111 半導体膜
112a ソース領域
112b ドレイン領域
113 有機膜
114 第3のマスクパターン
115 島状有機膜
116 層間絶縁膜
117 コンタクトホール
118a ソース配線
118b ドレイン配線
119 チャネル領域
Claims (10)
- 基板の上方に半導体層又は導電層を形成し、
前記半導体層又は導電層上に有機膜を形成し、
前記有機膜上であって、かつコンタクトホールを形成すべき箇所にマスクパターンを選択的に形成し、
前記マスクパターンをマスクとして、前記有機膜を島状にパターン形成した後に、前記マスクパターンを除去し、
前記島状の有機膜の周囲に絶縁膜を形成した後に、前記島状の有機膜を除去することによりコンタクトホールを形成し、
前記コンタクトホールにおいて前記半導体層又は導電層と電気的に接続される導電体を形成する半導体装置の作製方法であって、
前記有機膜として、前記絶縁膜に対して撥液性を有する膜を形成することを特徴とする半導体装置の作製方法。 - 基板の上方にゲート電極を形成し、
前記ゲート電極の上方に、ゲート絶縁膜を介して半導体層を形成し、
前記半導体層の上方に有機膜を形成し、
前記有機膜上であって、かつコンタクトホールを形成すべき箇所にマスクパターンを選択的に形成し、
前記マスクパターンをマスクとして、前記有機膜を島状にパターン形成した後に、前記マスクパターンを除去し、
前記島状の有機膜の周囲に絶縁膜を形成した後に、前記島状の有機膜を除去することによりコンタクトホールを形成し、
前記コンタクトホールにおいて前記半導体層と電気的に接続される導電体を形成する半導体装置の作製方法であって、
前記有機膜として、前記絶縁膜に対して撥液性を有する膜を形成することを特徴とする半導体装置の作製方法。 - 請求項1又は2において、
前記有機膜は、シランカップリング剤を用いた処理を行うことにより形成することを特徴とする半導体装置の作製方法。 - 請求項3において、
前記シランカップリング剤は、フルオロアルキルシランであることを特徴とする半導体装置の作製方法。 - 請求項1又は2において、
前記有機膜は、フッ素を含む雰囲気下でのプラズマ処理によって形成することを特徴とする半導体装置の作製方法。 - 請求項1乃至5のいずれか一項において、
前記マスクパターンを液滴吐出法によって形成することを特徴とする半導体装置の作製方法。 - 請求項1乃至6のいずれか一項において、
前記マスクパターンは、ポリビニルアルコール、ポリイミド、アクリル、又はシロキサンからなることを特徴とする半導体装置の作製方法。 - 請求項1乃至7のいずれか一項において、
前記絶縁膜をスリットコーター法又はスピンコート法によって形成することを特徴とする半導体装置の作製方法。 - 請求項1乃至8のいずれか一項において、
前記絶縁膜は、ポリイミド系樹脂、アクリル系樹脂、ポリアミド系樹脂、又はシリコンと酸素との結合で骨格構造が構成され、置換基に少なくとも水素を含む材料、若しくは置換基にフッ素、アルキル基、または芳香族炭化水素のうち少なくとも1種を有する材料からなることを特徴とする半導体装置の作製方法。 - 請求項1乃至9のいずれか一項において、
前記導電体を液滴吐出法によって形成することを特徴とする半導体装置の作製方法。
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JP4566575B2 (ja) * | 2004-02-13 | 2010-10-20 | 株式会社半導体エネルギー研究所 | 発光装置の作製方法 |
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