JP5621273B2 - 薄膜トランジスタ構造体およびその製造方法、ならびに電子機器 - Google Patents
薄膜トランジスタ構造体およびその製造方法、ならびに電子機器 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
- H01L29/66007—Multistep manufacturing processes
- H01L29/66075—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials
- H01L29/66227—Multistep manufacturing processes of devices having semiconductor bodies comprising group 14 or group 13/15 materials the devices being controllable only by the electric current supplied or the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched, e.g. three-terminal devices
- H01L29/66409—Unipolar field-effect transistors
- H01L29/66477—Unipolar field-effect transistors with an insulated gate, i.e. MISFET
- H01L29/66742—Thin film unipolar transistors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/136—Liquid crystal cells structurally associated with a semi-conducting layer or substrate, e.g. cells forming part of an integrated circuit
- G02F1/1362—Active matrix addressed cells
- G02F1/1368—Active matrix addressed cells in which the switching element is a three-electrode device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1222—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer
- H01L27/1225—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs with a particular composition, shape or crystalline structure of the active layer with semiconductor materials not belonging to the group IV of the periodic table, e.g. InGaZnO
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/127—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement
- H01L27/1274—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor
- H01L27/1285—Multistep manufacturing methods with a particular formation, treatment or patterning of the active layer specially adapted to the circuit arrangement using crystallisation of amorphous semiconductor or recrystallisation of crystalline semiconductor using control of the annealing or irradiation parameters, e.g. using different scanning direction or intensity for different transistors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—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
- 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
- H01L27/1214—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 comprising a plurality of TFTs formed on a non-semiconducting substrate, e.g. driving circuits for AMLCDs
- H01L27/1259—Multistep manufacturing methods
- H01L27/1292—Multistep manufacturing methods using liquid deposition, e.g. printing
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- H—ELECTRICITY
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K19/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00
- H10K19/10—Integrated devices, or assemblies of multiple devices, comprising at least one organic element specially adapted for rectifying, amplifying, oscillating or switching, covered by group H10K10/00 comprising field-effect transistors
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- Engineering & Computer Science (AREA)
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- Microelectronics & Electronic Packaging (AREA)
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- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Nonlinear Science (AREA)
- Ceramic Engineering (AREA)
- Optics & Photonics (AREA)
- Mathematical Physics (AREA)
- Thin Film Transistor (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Description
1.薄膜トランジスタ構造体(TFT構造体)およびその製造方法
2.TFT構造体の適用例(電子機器)
2−1.液晶表示装置
2−2.有機EL表示装置
2−3.電子ペーパー表示装置
[TFT構造体の構成]
図1は本発明の一実施形態におけるTFT構造体の平面構成、図2は図1に示したTFT構造体のA−A線およびB−B線に沿った断面構成をそれぞれ表している。
図3〜図5は、TFT構造体の製造方法を説明するためのものであり、図2に対応する断面構成を示している。なお、TFT構造体の構成要素の形成材料については既に説明したので、それらの説明を以下では随時省略する。
上記したTFT構造体およびその製造方法によれば、ゲート電極配線3とソース電極用配線8とが重なる位置において、ゲート絶縁層4とソース電極用配線8との間に副積層体6が形成されている。この副積層体6は、絶縁層6Xおよび半導体層6Yを含む積層構造を有している。よって、以下の理由により、高性能なTFT構造体を容易に製造できる。
次に、上記したTFT構造体の適用例について説明する。TFT構造体は、例えば、以下で順に説明するように、いくつかの電子機器に適用可能である。
TFT構造体は、例えば、液晶表示装置に適用される。図10および図11は、それぞれ液晶表示装置の主要部の断面構成および回路構成を表している。なお、以下で説明する装置構成(図10)および回路構成(図11)はあくまで一例であり、それらの構成は適宜変更可能である。
有機TFTは、例えば、有機EL表示装置に適用される。図12および図13は、それぞれ有機EL表示装置の主要部の断面構成および回路構成を表している。なお、以下で説明する装置構成(図12)および回路構成(図13)はあくまで一例であり、それらの構成は適宜変更可能である。
TFT構造体は、例えば、電子ペーパー表示装置に適用される。図14は、電子ペーパー表示装置の断面構成を表している。なお、以下で説明する装置構成(図14)および図11を参照して説明する回路構成はあくまで一例であり、それらの構成は適宜変更可能である。
Claims (6)
- 第1電極と、
前記第1電極とは異なる階層において互いに離間された第2および第3電極と、
前記第1、第2および第3電極にそれぞれ接続された第1、第2および第3配線と、
前記第1電極と前記第2および第3電極との間において、層間絶縁層を介して前記第1電極に対向配置された主積層体と、
前記第1および第2配線が重なる位置におけるそれらの配線の間、ならびに、前記第1および第3配線が重なる位置におけるそれらの配線の間のうちの少なくとも一方において、前記層間絶縁層を介して前記第1配線に対向配置された副積層体と
を備え、
前記主積層体および前記副積層体のそれぞれは、前記層間絶縁層に近い側に位置する絶縁層と、前記層間絶縁層から遠い側に位置する半導体層とを含み、
前記絶縁層および前記半導体層は、有機絶縁材料および有機半導体材料を含む溶液を用いて形成された膜が相分離したものである、
薄膜トランジスタ構造体。 - 前記副積層体は前記主積層体と同一の階層に位置している、
請求項1記載の薄膜トランジスタ構造体。 - 第1電極およびそれに接続された第1配線を形成する工程と、
前記第1電極および前記第1配線とは異なる階層に、互いに離間された第2および第3電極、ならびにそれらに接続された第2および第3配線を形成する工程と、
前記第1電極および前記第1配線を覆うように層間絶縁層を形成する工程と、
前記第1電極と前記第2および第3電極との間における前記層間絶縁層の上に、前記第1電極に対向配置されるように主積層体を形成する工程と、
前記第1および第2配線が重なる位置におけるそれらの配線の間、ならびに、前記第1および第3配線が重なる位置におけるそれらの配線の間のうちの少なくとも一方において、前記層間絶縁層の上に、前記第1配線に対向配置されるように副積層体を形成する工程と
を含み、
前記主積層体および前記副積層体のそれぞれを、前記層間絶縁層に近い側に位置する絶縁層と、前記層間絶縁層から遠い側に位置する半導体層とを含むように形成し、
有機絶縁材料および有機半導体材料を含む溶液を用いて膜を形成すると共にその膜を相分離させて、前記絶縁層および前記半導体層を形成する、
薄膜トランジスタ構造体の製造方法。 - 前記膜を加熱して相分離させる、
請求項3記載の薄膜トランジスタ構造体の製造方法。 - 前記主積層体と同一工程において前記副積層体を形成する、
請求項3記載の薄膜トランジスタ構造体の製造方法。 - 薄膜トランジスタを備え、
その薄膜トランジスタは、
第1電極と、
前記第1電極とは異なる階層において互いに離間された第2および第3電極と、
前記第1、第2および第3電極にそれぞれ接続された第1、第2および第3配線と、
前記第1電極と前記第2および第3電極との間において、層間絶縁層を介して前記第1電極に対向配置された主積層体と、
前記第1および第2配線が重なる位置におけるそれらの配線の間、ならびに、前記第1および第3配線が重なる位置におけるそれらの配線の間のうちの少なくとも一方において、前記層間絶縁層を介して前記第1配線に対向配置された副積層体と
を含み、
前記主積層体および前記副積層体のそれぞれは、前記層間絶縁層に近い側に位置する絶縁層と、前記層間絶縁層から遠い側に位置する半導体層とを含み、
前記絶縁層および前記半導体層は、有機絶縁材料および有機半導体材料を含む溶液を用いて形成された膜が相分離したものである、
電子機器。
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DE102011004195A DE102011004195A1 (de) | 2010-02-23 | 2011-02-16 | Dünnfilm-Transistoraufbau, Verfahren zu dessen Herstellung, und elektronische Einrichtung |
CN2011100403846A CN102163624A (zh) | 2010-02-23 | 2011-02-16 | 薄膜晶体管结构及其制造方法以及电子装置 |
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