JP2006210890A - 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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- JP2006210890A JP2006210890A JP2005364633A JP2005364633A JP2006210890A JP 2006210890 A JP2006210890 A JP 2006210890A JP 2005364633 A JP2005364633 A JP 2005364633A JP 2005364633 A JP2005364633 A JP 2005364633A JP 2006210890 A JP2006210890 A JP 2006210890A
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- Thin Film Transistor (AREA)
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Abstract
【解決手段】透明導電膜を形成し、前記透明導電膜上に第1の導電膜を形成し、前記第1の導電膜上に第2の導電膜を形成し、前記第2の導電膜を、塩素を含むガスでエッチングし、前記第1の導電膜を、フッ素を含むガスでエッチングすることを特徴とする半導体装置の作製方法に関するものである。塩素を含むガスで第2の導電膜をエッチングする際には、第1の導電膜により透明導電膜が保護され、フッ素を含むガスで第1の導電膜をエッチングする際には、透明導電膜とフッ素を含むガスは反応しないので、パーティクルが形成されない。
【選択図】図1
Description
なお、本実施例では、TFTをトップゲート型TFTとしたが、この構造に限定されるものではなく、適宜ボトムゲート型(逆スタガ型)TFTや、順スタガ型TFTを用いることが可能である。また、シングルゲート構造のTFTに限定されず、複数のチャネル形成領域を有するマルチゲート型TFT、例えばダブルゲート型TFTとしてもよい。
できる。
102 導電膜
103 導電膜
Claims (19)
- 透明導電膜を形成し、
前記透明導電膜上に第1の導電膜を形成し、
前記第1の導電膜上に第2の導電膜を形成し、
前記第2の導電膜を、塩素を含むガスでエッチングし、
前記第1の導電膜を、フッ素を含むガスでエッチングすることを特徴とする半導体装置の作製方法。 - 請求項1において、
前記透明導電膜は、酸化インジウムスズ合金(Indium Tin Oxide(ITO))膜、シリコン(Si)を含む酸化インジウムスズ合金膜、酸化亜鉛(ZnO)膜、酸化スズ(SnO2)膜、酸化インジウム(InO)膜、酸化インジウム(InO)に2〜20atomic%の酸化亜鉛(ZnO)を混合した酸化インジウム酸化亜鉛合金膜のいずれか1つ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において、
前記第1の導電膜は、モリブデン(Mo)、タングステン(W)、タンタル(Ta)、クロム(Cr)、またはその窒化物、さらにはその合金のいずれか1つを含むことを特徴する半導体装置の作製方法。 - 請求項1において、
前記第2の導電膜は、アルミニウム膜、
ニッケル(Ni)、モリブデン(Mo)、シリコン(Si)、チタン(Ti)、ネオジウム(Nd)、銅(Cu)のうち少なくとも1種の元素を含むアルミニウム合金膜、ニッケル(Ni)、コバルト(Co)、モリブデン(Mo)、シリコン(Si)、チタン(Ti)、ネオジウム(Nd)、銅(Cu)のうち少なくとも1種の元素及び炭素(C)を含むアルミニウム合金膜のいずれか1つ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において、
前記塩素を含むガスは、Cl2、BCl3、SiCl4もしくはCCl4のいずれか1つを含むガス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において、
前記フッ素を含むガスは、CF4、SF6もしくはNF3のいずれか1つを含むガス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において、
前記透明導電膜上に、発光層を含む有機化合物層を形成することを特徴とする半導体装置の作製方法。 - 絶縁表面を有する基板上に半導体膜を形成し、
前記半導体膜を覆うように絶縁膜を形成し、
前記絶縁膜上に透明導電膜を形成し、
前記絶縁膜にコンタクトホールを形成し、
前記透明導電膜上と前記コンタクトホール内に第1の導電膜を形成し、
前記第1の導電膜上に第2の導電膜を形成し、
前記第2の導電膜を、塩素を含むガスでエッチングし、
前記第1の導電膜を、フッ素を含むガスでエッチングし、
前記透明導電膜は前記半導体膜と電気的に接続されていることを特徴とする半導体装置の作製方法。 - 請求項8において、
前記透明導電膜は、酸化インジウムスズ合金(Indium Tin Oxide(ITO))膜、シリコン(Si)を含む酸化インジウムスズ合金膜、酸化亜鉛(ZnO)膜、酸化スズ(SnO2)膜、酸化インジウム(InO)膜、酸化インジウム(InO)に2〜20atomic%の酸化亜鉛(ZnO)を混合した酸化インジウム酸化亜鉛合金膜のいずれか1つであることを特徴とする半導体装置の作製方法。 - 請求項8において、
前記第1の導電膜は、モリブデン(Mo)、タングステン(W)、タンタル(Ta)、クロム(Cr)、またはその窒化物、さらにはその合金のいずれか1つを含むことを特徴する半導体装置の作製方法。 - 請求項8において、
前記第2の導電膜は、アルミニウム膜、ニッケル(Ni)、モリブデン(Mo)、シリコン(Si)、チタン(Ti)、ネオジウム(Nd)、銅(Cu)のうち少なくとも1種の元素を含むアルミニウム合金膜、ニッケル(Ni)、コバルト(Co)、モリブデン(Mo)、シリコン(Si)、チタン(Ti)、ネオジウム(Nd)、銅(Cu)のうち少なくとも1種の元素及び炭素(C)を含むアルミニウム合金膜のいずれか1つであることを特徴とする半導体装置の作製方法。 - 請求項8において、
前記塩素を含むガスは、Cl2、BCl3、SiCl4もしくはCCl4のいずれか1つを含むガスであることを特徴とする半導体装置の作製方法。 - 請求項8において、
前記フッ素を含むガスは、CF4、SF6もしくはNF3のいずれか1つを含むガスであることを特徴とする半導体装置の作製方法。 - 絶縁表面を有する基板上に半導体膜を形成し、
前記半導体膜を覆うように絶縁膜を形成し、
前記絶縁膜上に透明導電膜を形成し、
前記絶縁膜にコンタクトホールを形成し、
前記透明導電膜上と前記コンタクトホール内に第1の導電膜を形成し、
前記第1の導電膜上に第2の導電膜を形成し、
前記第2の導電膜を、塩素を含むガスでエッチングし、
前記第1の導電膜を、フッ素を含むガスでエッチングし、
前記透明導電膜上に、発光層を含む有機化合物層を形成し、
前記透明導電膜は前記半導体膜と電気的に接続されていることを特徴とする半導体装置の作製方法。 - 請求項14において、
前記透明導電膜は、酸化インジウムスズ合金(Indium Tin Oxide(ITO))膜、シリコン(Si)を含む酸化インジウムスズ合金膜、酸化亜鉛(ZnO)膜、酸化スズ(SnO2)膜、酸化インジウム膜、酸化インジウムに2〜20atomic%の酸化亜鉛(ZnO)を混合した酸化インジウム酸化亜鉛合金膜のいずれか1つであることを特徴とする半導体装置の作製方法。 - 請求項14において、
前記第1の導電膜は、モリブデン(Mo)、タングステン(W)、タンタル(Ta)、クロム(Cr)、またはその窒化物、さらにはその合金のいずれか1つを含むことを特徴する半導体装置の作製方法。 - 請求項14において、
前記第2の導電膜は、アルミニウム膜、ニッケル(Ni)、モリブデン(Mo)、シリコン(Si)、チタン(Ti)、ネオジウム(Nd)、銅(Cu)のうち少なくとも1種の元素を含むアルミニウム合金膜、ニッケル(Ni)、コバルト(Co)、モリブデン(Mo)、シリコン(Si)、チタン(Ti)、ネオジウム(Nd)、銅(Cu)のうち少なくとも1種の元素及び炭素(C)を含むアルミニウム合金膜のいずれか1つであることを特徴とする半導体装置の作製方法。 - 請求項14において、
前記塩素を含むガスは、Cl2、BCl3、SiCl4もしくはCCl4のいずれか1つを含むガスであることを特徴とする半導体装置の作製方法。 - 請求項14において、
前記フッ素を含むガスは、CF4、SF6もしくはNF3のいずれか1つを含むガスであることを特徴とする半導体装置の作製方法。
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JP2003229433A (ja) * | 2001-11-30 | 2003-08-15 | Semiconductor Energy Lab Co Ltd | 半導体装置の作製方法 |
JP2004178839A (ja) * | 2002-11-25 | 2004-06-24 | Rohm Co Ltd | 補助電極の形成方法 |
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