JPWO2019116150A1 - 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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- JPWO2019116150A1 JPWO2019116150A1 JP2019559419A JP2019559419A JPWO2019116150A1 JP WO2019116150 A1 JPWO2019116150 A1 JP WO2019116150A1 JP 2019559419 A JP2019559419 A JP 2019559419A JP 2019559419 A JP2019559419 A JP 2019559419A JP WO2019116150 A1 JPWO2019116150 A1 JP WO2019116150A1
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Images
Classifications
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- C03C17/3668—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal the metal being present as a layer the multilayer coating having electrical properties
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- C03C17/34—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions
- C03C17/36—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal
- C03C17/38—Surface treatment of glass, not in the form of fibres or filaments, by coating with at least two coatings having different compositions at least one coating being a metal at least one coating being a coating of an organic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02107—Forming insulating materials on a substrate
- H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
- H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
- H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
- H01L21/02244—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of a metallic layer
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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
- H01L27/1262—Multistep manufacturing methods with a particular formation, treatment or coating of the substrate
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- 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
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
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- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/10—Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/191—Deposition of organic active material characterised by provisions for the orientation or alignment of the layer to be deposited
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/80—Manufacture or treatment specially adapted for the organic devices covered by this subclass using temporary substrates
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/25—Metals
- C03C2217/257—Refractory metals
- C03C2217/258—Ti, Zr, Hf
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- C—CHEMISTRY; METALLURGY
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- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C2217/00—Coatings on glass
- C03C2217/20—Materials for coating a single layer on glass
- C03C2217/28—Other inorganic materials
- C03C2217/281—Nitrides
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
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- C03C2218/00—Methods for coating glass
- C03C2218/10—Deposition methods
- C03C2218/15—Deposition methods from the vapour phase
- C03C2218/154—Deposition methods from the vapour phase by sputtering
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- C—CHEMISTRY; METALLURGY
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- C03C2218/00—Methods for coating glass
- C03C2218/30—Aspects of methods for coating glass not covered above
- C03C2218/31—Pre-treatment
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- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
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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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Abstract
Description
本実施の形態では、本発明の一態様の剥離方法及び表示装置の作製方法について図1〜図13を用いて説明する。
図1に、本実施の形態の剥離方法を示す。図2(A)は、図1(A)の拡大図であり、図2(B)は、図1(B)の拡大図であり、図2(C)〜(E)は、図1(C)、(E)、(G1)の金属化合物層22とその近傍の拡大図である。
次に、本実施の形態の表示装置の作製方法例について説明する。先に説明した剥離方法と同様の部分について、説明を省略することがある。
図7(A)は、表示装置15Aの上面図である。図7(B)、(C)は、それぞれ、表示装置15Aの表示部381の断面図及びFPC372との接続部の断面図の一例である。
まず、上記剥離方法と同様に、作製基板10上に、金属化合物層22から絶縁層31までを形成する(図8(A))。図8(A)に示すように、金属化合物層22は、樹脂層32で覆われている。そのため、金属化合物層22と絶縁層31とが接する部分を低減する、さらには無くすことができる。これにより、表示装置の作製工程中の膜剥がれを抑制することができる。
図13(A)は、表示装置15Bの上面図である。図13(B)、(C)は、表示装置15Bの表示部381の断面図及びFPC372との接続部の断面図の一例である。
半導体層には、酸化物半導体として機能する金属酸化物を用いることが好ましい。以下では、半導体層に適用可能な金属酸化物について説明する。
本実施の形態では、本発明の一態様の表示装置について、図14〜図17を用いて説明する。
本実施の形態では、本発明の一態様の電子機器について図18を用いて説明する。
図1を用いて、本実施例の試料の作製方法について説明する。
本実施例では、上記試料を2つ作製した。そして、1つは、剥離面に水を供給して、作製基板10から機能層25を剥離し、もう1つは、剥離面に水を供給せずに、作製基板10から機能層25を剥離した。図1(G1)、(G2)に示すように、金属化合物層22中で剥離が生じることで、作製基板10から機能層25が剥離された。作製基板10側に金属化合物層22aが残存し、樹脂層32側に金属化合物層22bが残存した。
次に、剥離前後の断面を観察した結果について、説明する。断面観察には、走査型透過電子顕微鏡(STEM:Scanning Transmission Electron Microscope)を用いた。
金属層20の成膜から剥離可能な界面が形成されるまでの各工程で、金属層20にどのような変化が生じているかを、各工程後に断面を観察することで調査した。
次に、剥離により露出した面(剥離面とも記す)を観察した結果について説明する。表面観察には、走査型電子顕微鏡(SEM)を用いた。
次に、X線光電子分光法(XPS:X−ray Photoelectron Spectroscopy)を用いて剥離面を分析した結果について説明する。ここでは、作製基板10側の剥離面(つまり、金属化合物層22aの表面)と、樹脂層32側の剥離面(つまり、金属化合物層22bの表面)と、のそれぞれについて分析した。
試料の作製1では、金属層20の表面に対して、C4F8プラズマ処理を行った後に、H2Oプラズマ処理を行った。ここでは、金属層20に施すプラズマ処理の条件を変えて、剥離評価を行った。
3つの試料のうち、不具合なく作製基板10から機能層25を剥離することができた試料は、試料3のみであった。なお、いずれの試料も、剥離の起点を形成し、剥離面に水を供給して剥離を試みた。
Claims (9)
- 基板上に、金属層を形成し、
前記金属層にフッ素を供給することで、第1の金属化合物層を形成し、
前記第1の金属化合物層を酸化することで、第2の金属化合物層を形成し、
前記第2の金属化合物層上に、機能層を形成し、
前記第2の金属化合物層に対して、加熱処理を行い、
前記第1の金属化合物層及び前記第2の金属化合物層のうち一方または双方を用いて、前記機能層と前記基板とを分離する、半導体装置の作製方法。 - 請求項1において、
前記第2の金属化合物層上に接して、樹脂または樹脂前駆体を含む第1の層を形成し、
前記加熱処理によって前記第1の層を加熱することで、樹脂層を形成する、半導体装置の作製方法。 - 基板上に、金属層を形成し、
前記金属層に対して、フッ素を含むガスを用いた第1のプラズマ処理を行うことで、第1の金属化合物層を形成し、
前記第1の金属化合物層に対して、酸素を含むガスを用いた第2のプラズマ処理を行うことで、第2の金属化合物層を形成し、
前記第2の金属化合物層上に、機能層を形成し、
前記第2の金属化合物層に対して、加熱処理を行い、
前記第1の金属化合物層及び前記第2の金属化合物層のうち一方または双方を用いて、前記機能層と前記基板とを分離する、半導体装置の作製方法。 - 基板上に、金属層を形成し、
前記金属層に対して、フッ素を含むガスを用いた第1のプラズマ処理を行うことで、第1の金属化合物層を形成し、
前記第1の金属化合物層に対して、酸素を含むガスを用いた第2のプラズマ処理を行うことで、第2の金属化合物層を形成し、
前記第2の金属化合物層上に、樹脂または樹脂前駆体を含む第1の層を形成し、
前記第1の層を加熱することで、樹脂層を形成し、
前記第1の金属化合物層及び前記第2の金属化合物層のうち一方または双方を用いて、前記樹脂層と前記基板とを分離する、半導体装置の作製方法。 - 請求項4において、
前記樹脂層は、ポリイミド樹脂及びアクリル樹脂のうち一方または双方を有する、半導体装置の作製方法。 - 請求項1乃至5のいずれか一において、
前記第1のプラズマ処理は、C4F8プラズマ処理である、半導体装置の作製方法。 - 請求項1乃至6のいずれか一において、
前記第2のプラズマ処理は、H2Oプラズマ処理である、半導体装置の作製方法。 - 請求項1乃至7のいずれか一において、
前記金属層は、チタン、モリブデン、アルミニウム、タングステン、インジウム、亜鉛、ガリウム、タンタル、及び錫のうち一つまたは複数を有する、半導体装置の作製方法。 - 請求項1乃至8のいずれか一において、
前記第2の金属化合物層は、前記基板上の第1の層と、前記第1の層上の第2の層と、を有し、
前記第1の層は、前記第2の層よりも、金属を多く含み、
前記第2の層は、前記第1の層よりも、酸素を多く含み、
前記第2の金属化合物層は、前記第1の層と前記第2の層の界面またはその近傍に、他の領域よりもフッ素を多く含む領域を有する、半導体装置の作製方法。
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