JP2009277701A - 半導体素子又は半導体装置の製造方法ならびにその製造装置 - Google Patents
半導体素子又は半導体装置の製造方法ならびにその製造装置 Download PDFInfo
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/78—Field effect transistors with field effect produced by an insulated gate
- H01L29/786—Thin film transistors, i.e. transistors with a channel being at least partly a thin film
- H01L29/7869—Thin film transistors, i.e. transistors with a channel being at least partly a thin film having a semiconductor body comprising an oxide semiconductor material, e.g. zinc oxide, copper aluminium oxide, cadmium stannate
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L22/00—Testing or measuring during manufacture or treatment; Reliability measurements, i.e. testing of parts without further processing to modify the parts as such; Structural arrangements therefor
- H01L22/10—Measuring as part of the manufacturing process
- H01L22/14—Measuring as part of the manufacturing process for electrical parameters, e.g. resistance, deep-levels, CV, diffusions by electrical means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/66007—Multistep manufacturing processes
- H01L29/66969—Multistep manufacturing processes of devices having semiconductor bodies not comprising group 14 or group 13/15 materials
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- Condensed Matter Physics & Semiconductors (AREA)
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Abstract
【解決手段】少なくとも半導体を構成要素として有する半導体素子又は半導体装置の製造方法であって、前記半導体素子又は半導体装置を製造する途中に、前記半導体に該半導体の吸収端波長より長波長の光を照射して、該半導体素子又は半導体装置の閾値電圧を変化させる工程と、前記光の照射後又は照射中に該半導体素子又は半導体装置の閾値電圧を調べ、該閾値電圧があらかじめ決められた範囲内にあるかどうかを判別する工程と、を有することを特徴とする。
【選択図】図2
Description
Barquinha et al.,J.Non−Cryst.Sol.,352,1756(2006). Yabuta et al.,Appl.Phys.Lett.,89,112123(2006). Riedl et al,Phys.Stat.Sol.,1,175(2007). Kim et al.,International ElectronDevice Meeting 2006(IEDM’06),11−13,1(2006).
本実施例では、本発明の半導体素子及び半導体装置の製造方法にしたがって、a−IGZOをチャネル層に用いた有機IL表示素子を作製した。なお、本実施例では、有機EL素子として−10〜30Vで駆動するものを用いた。
本参考例では、有機EL表示素子の製造工程において、TFTを作製後に判別を行い不良品になる場合を示す。
11 ゲート電極
12 ゲート絶縁層
13 チャネル層
14 ソース電極
15 ドレイン電極
16 第1の保護層
17 第2の保護層
18 有機EL部
40 試料
41 光源
42 光
50 試料
51 光源
52 光
53 フィルタ
Claims (7)
- 少なくとも半導体を構成要素として有する半導体素子又は半導体装置の製造方法であって、
前記半導体素子又は半導体装置を製造する途中に、前記半導体に該半導体の吸収端波長より長波長の光を照射して、該半導体素子又は半導体装置の閾値電圧を変化させる工程と、前記光の照射後又は照射中に該半導体素子又は半導体装置の閾値電圧を調べ、該閾値電圧があらかじめ決められた範囲内にあるかどうかを判別する工程と、を有することを特徴とする半導体素子又は半導体装置の製造方法。 - 前記半導体は、該半導体の吸収端波長より短波長の光からは遮蔽されていることを特徴とする請求項1に記載の半導体素子又は半導体装置の製造方法。
- 前記遮蔽は、光源と半導体の間に配置されたフィルタによってなされることを特徴とする請求項2に記載の半導体素子又は半導体装置の製造方法。
- 前記半導体素子又は半導体装置は、ゲート電極、ソース電極、ドレイン電極、チャネル層、ゲート絶縁層、保護層、を少なくとも有しており、前記半導体は該チャネル層であることを特徴とする請求項1から3のいずれか1項に記載の半導体素子又は半導体装置の製造方法。
- 前記チャネル層は、In、Ga、Zn、Snのいずれかを含む酸化物であることを特徴とする請求項4に記載の半導体素子又は半導体装置の製造方法。
- 前記あらかじめ決められた範囲とは、該範囲の最小値が、実際に前記半導体素子又は半導体装置を動作させるときにかける電圧の最小値で規定され、かつ該範囲の最大値が、実際に該半導体素子又は半導体装置を動作させるときにかける電圧の最大値の10分の1の値で規定された範囲であることを特徴とする請求項1から5のいずれか1項に記載の半導体素子又は半導体装置の製造方法。
- 少なくとも半導体を構成要素として有する半導体素子又は半導体装置の製造装置であって、
前記半導体素子又は半導体装置の製造ラインの途中に、該半導体素子又は半導体装置を請求項1から6のいずれか1項に記載の方法によって判別するための検査室を有しており、
前記検査室は、前記半導体に該半導体の吸収端波長より長波長の光を照射する光源と、該光の照射後又は照射中に該半導体素子又は半導体装置の閾値電圧を調べる機構と、から少なくとも構成されることを特徴とする半導体素子又は半導体装置の製造装置。
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JP2008124857A JP5305730B2 (ja) | 2008-05-12 | 2008-05-12 | 半導体素子の製造方法ならびにその製造装置 |
US12/992,070 US8216879B2 (en) | 2008-05-12 | 2009-05-07 | Method for manufacturing semiconductor device or apparatus, and apparatus for manufacturing the same |
PCT/JP2009/058950 WO2009139428A1 (en) | 2008-05-12 | 2009-05-07 | Method for manufacturing semiconductor device or apparatus, and apparatus for manufacturing the same |
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