JP6568353B2 - 酸化物半導体膜の成膜方法 - Google Patents
酸化物半導体膜の成膜方法 Download PDFInfo
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- JP6568353B2 JP6568353B2 JP2014259605A JP2014259605A JP6568353B2 JP 6568353 B2 JP6568353 B2 JP 6568353B2 JP 2014259605 A JP2014259605 A JP 2014259605A JP 2014259605 A JP2014259605 A JP 2014259605A JP 6568353 B2 JP6568353 B2 JP 6568353B2
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- 230000008014 freezing Effects 0.000 description 1
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- YZZNJYQZJKSEER-UHFFFAOYSA-N gallium tin Chemical compound [Ga].[Sn] YZZNJYQZJKSEER-UHFFFAOYSA-N 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
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- 238000001659 ion-beam spectroscopy Methods 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- DNNSSWSSYDEUBZ-UHFFFAOYSA-N krypton atom Chemical compound [Kr] DNNSSWSSYDEUBZ-UHFFFAOYSA-N 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 229910001507 metal halide Inorganic materials 0.000 description 1
- 150000005309 metal halides Chemical class 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 239000013081 microcrystal Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
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- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
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- 229920000728 polyester Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
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- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 239000010454 slate Substances 0.000 description 1
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- 229910002076 stabilized zirconia Inorganic materials 0.000 description 1
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- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- H—ELECTRICITY
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- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/02631—Physical deposition at reduced pressure, e.g. MBE, sputtering, evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/086—Oxides of zinc, germanium, cadmium, indium, tin, thallium or bismuth
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02521—Materials
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-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02595—Microstructure polycrystalline
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02518—Deposited layers
- H01L21/02587—Structure
- H01L21/0259—Microstructure
- H01L21/02598—Microstructure monocrystalline
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02104—Forming layers
- H01L21/02365—Forming inorganic semiconducting materials on a substrate
- H01L21/02612—Formation types
- H01L21/02617—Deposition types
- H01L21/0262—Reduction or decomposition of gaseous compounds, e.g. CVD
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- H—ELECTRICITY
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- 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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- H—ELECTRICITY
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- 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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- General Physics & Mathematics (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thin Film Transistor (AREA)
- Semiconductor Memories (AREA)
- Physical Deposition Of Substances That Are Components Of Semiconductor Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
- Physical Vapour Deposition (AREA)
Description
本発明の一態様は、インジウム、元素M(アルミニウム、ガリウム、イットリウムまたはスズ)、亜鉛および酸素を含むターゲットと、ターゲットの表面と向かい合って配置された基板と、ターゲットの裏面側に配置された第1のマグネットおよび第2のマグネットを含むマグネットユニットと、を有するスパッタリング装置を用いて酸化物半導体を成膜する酸化物半導体の作製方法であって、マグネットユニットの表面から基板に向かって垂直距離が10mmとなる点を通るターゲットの裏面と平行な平面における、水平磁場の強度の最大値を350G以上2000G以下として成膜する酸化物半導体の作製方法である。
本発明の一態様は、インジウム、元素M(アルミニウム、ガリウム、イットリウムまたはスズ)、亜鉛および酸素を含むターゲットと、ターゲットの表面と向かい合って配置された基板と、を有するスパッタリング装置を用いて酸化物半導体を成膜する酸化物半導体の作製方法であって、ターゲットの表面における水平磁場の強度の最大値を40G以上800G以下として成膜する酸化物半導体の作製方法である。
本発明の一態様は、ターゲットの純度が99.9重量%以上である(1)または(2)に記載の酸化物半導体の作製方法である。
本発明の一態様は、基板の表面温度を100℃以上450℃以下とする(1)乃至(3)のいずれか一に記載の酸化物半導体の作製方法である。
本発明の一態様は、ターゲットと基板との垂直距離を10mm以上600mm以下とする(1)乃至(4)のいずれか一に記載の酸化物半導体の作製方法である。
以下では、本発明の一態様に係るスパッタリング装置と、該スパッタリング装置を用いて結晶性を有する酸化物半導体を成膜する方法について説明する。
以下では、酸化物半導体の構造について説明する。
まずは、CAAC−OSについて説明する。なお、CAAC−OSを、CANC(C−Axis Aligned nanocrystals)を有する酸化物半導体と呼ぶこともできる。
次に、微結晶酸化物半導体について説明する。
次に、非晶質酸化物半導体について説明する。
なお、酸化物半導体は、nc−OSと非晶質酸化物半導体との間の構造を有する場合がある。そのような構造を有する酸化物半導体を、特に非晶質ライク酸化物半導体(a−like OS:amorphous−like Oxide Semiconductor)と呼ぶ。
以下では、前述したCAAC−OSを成膜することが可能な成膜装置の構成について説明する。
以下では、本発明の一態様に係るトランジスタの構造について説明する。
図6(A)および図6(B)は、本発明の一態様のトランジスタの上面図および断面図である。図6(A)は上面図であり、図6(B)は、図6(A)に示す一点鎖線A1−A2、および一点鎖線A3−A4に対応する断面図である。なお、図6(A)の上面図では、図の明瞭化のために一部の要素を省いて図示している。
次に、図6に示すトランジスタの作製方法について説明する。
図19(A)および図19(B)は、本発明の一態様のトランジスタの上面図および断面図である。図19(A)は上面図であり、図19(B)は、図19(A)に示す一点鎖線H1−H2、および一点鎖線H3−H4に対応する断面図である。なお、図19(A)の上面図では、図の明瞭化のために一部の要素を省いて図示している。
図22(A)および図22(B)は、本発明の一態様のトランジスタの上面図および断面図である。図22(A)は上面図であり、図22(B)は、図22(A)に示す一点鎖線J1−J2、および一点鎖線J3−J4に対応する断面図である。なお、図22(A)の上面図では、図の明瞭化のために一部の要素を省いて図示している。
以下では、本発明の一態様に係る半導体装置を例示する。
以下では、上述したトランジスタ、または記憶装置を含むRFタグについて、図28を用いて説明する。
以下では、本発明の一態様に係るRFタグの使用例について図29を用いて説明する。RFタグの用途は広範にわたるが、例えば、紙幣、硬貨、有価証券類、無記名債券類、証書類(運転免許証や住民票等、図29(A)参照。)、包装用容器類(包装紙やボトル等、図29(C)参照。)、記録媒体(DVDやビデオテープ等、図29(B)参照。)、乗り物類(自転車等、図29(D)参照。)、身の回り品(鞄や眼鏡等)、食品類、植物類、動物類、人体、衣類、生活用品類、薬品や薬剤を含む医療品、または電子機器(液晶表示装置、EL表示装置、テレビジョン装置、または携帯電話)等の物品、もしくは各物品に取り付ける荷札(図29(E)および図29(F)参照。)等に設けて使用することができる。
以下では、上述したトランジスタや上述した記憶装置などの半導体装置を含むCPUについて説明する。
以下では、本発明の一態様に係る表示装置の構成例について説明する。
図32(A)には、本発明の一態様に係る表示装置の上面図を示す。また、図32(B)には、本発明の一態様に係る表示装置の画素に液晶素子を用いた場合における画素回路を示す。また、図32(C)には、本発明の一態様に係る表示装置の画素に有機EL素子を用いた場合における画素回路を示す。
また、画素の回路構成の一例を図32(B)に示す。ここでは、VA型液晶表示装置の画素などに適用することができる画素回路を示す。
画素の回路構成の他の一例を図32(C)に示す。ここでは、有機EL素子を用いた表示装置の画素構造を示す。
以下では、本発明の一態様に係る半導体装置を適用した表示モジュールについて、図33を用いて説明を行う。
本発明の一態様に係る半導体装置は、表示機器、パーソナルコンピュータ、記録媒体を備えた画像再生装置(代表的にはDVD:Digital Versatile Disc等の記録媒体を再生し、その画像を表示しうるディスプレイを有する装置)に用いることができる。その他に、本発明の一態様に係る半導体装置を用いることができる電子機器として、携帯電話、携帯型を含むゲーム機、携帯データ端末、電子書籍端末、ビデオカメラ、デジタルスチルカメラ等のカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンタ、プリンタ複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図34に示す。
以下では、本発明の一態様に係る電子機器の一例である表示領域または発光領域に曲面を有する電子機器について、図35を参照しながら説明する。なお、ここでは、電子機器の一例として、情報機器、特に携帯性を有する情報機器(携帯機器)について説明する。携帯性を有する情報機器としては、例えば、携帯電話機(ファブレット、スマートフォン(スマホ))、タブレット端末(スレートPC)なども含まれる。
携帯機器1300Aは、例えば電話、電子メール作成閲覧、手帳または情報閲覧などの機能から選ばれた一つまたは複数の機能を有する。
101 スパッタリング装置
110 バッキングプレート
120 ターゲットホルダ
130 マグネットユニット
130N マグネット
130S マグネット
132 マグネットホルダ
140 ガスケット
150 切断面
160 基板
170 基板ホルダ
180a 磁力線
180b 磁力線
190 プラズマ
192 陽イオン
194 スパッタ粒子
400 基板
402 絶縁体
404 導電体
406a 半導体
406b 半導体
406c 半導体
408 絶縁体
412 絶縁体
413 導電体
416a 導電体
416b 導電体
418 絶縁体
423a 低抵抗領域
423b 低抵抗領域
424a 導電体
424b 導電体
426a 導電体
426b 導電体
428 絶縁体
500 基板
502 絶縁体
504 導電体
506a 半導体
506b 半導体
506c 半導体
508 絶縁体
512 絶縁体
513 導電体
516a 導電体
516b 導電体
518 絶縁体
600 基板
604 導電体
606a 半導体
606b 半導体
606c 半導体
612 絶縁体
613 導電体
616a 導電体
616b 導電体
618 絶縁体
620 絶縁体
700 成膜装置
701 大気側基板供給室
702 大気側基板搬送室
703a ロードロック室
703b アンロードロック室
704 搬送室
705 基板加熱室
706a 成膜室
706b 成膜室
706c 成膜室
751 クライオトラップ
752 ステージ
761 カセットポート
762 アライメントポート
763a 搬送ロボット
763b 搬送ロボット
764 ゲートバルブ
765 加熱ステージ
766 ターゲット
767 防着板
768 基板ステージ
769 基板
770 真空ポンプ
771 クライオポンプ
772 ターボ分子ポンプ
780 マスフローコントローラ
781 精製機
782 ガス加熱機構
800 RFタグ
801 通信器
802 アンテナ
803 無線信号
804 アンテナ
805 整流回路
806 定電圧回路
807 復調回路
808 変調回路
809 論理回路
810 記憶回路
811 ROM
901 筐体
902 筐体
903 表示部
904 表示部
905 マイクロフォン
906 スピーカー
907 操作キー
908 スタイラス
911 筐体
912 筐体
913 表示部
914 表示部
915 接続部
916 操作キー
921 筐体
922 表示部
923 キーボード
924 ポインティングデバイス
931 筐体
932 冷蔵室用扉
933 冷凍室用扉
941 筐体
942 筐体
943 表示部
944 操作キー
945 レンズ
946 接続部
951 車体
952 車輪
953 ダッシュボード
954 ライト
1189 ROMインターフェース
1190 基板
1191 ALU
1192 ALUコントローラ
1193 インストラクションデコーダ
1194 インタラプトコントローラ
1195 タイミングコントローラ
1196 レジスタ
1197 レジスタコントローラ
1198 バスインターフェース
1199 ROM
1200 記憶素子
1201 回路
1202 回路
1203 スイッチ
1204 スイッチ
1206 論理素子
1207 容量素子
1208 容量素子
1209 トランジスタ
1210 トランジスタ
1213 トランジスタ
1214 トランジスタ
1220 回路
1300A 携帯機器
1300B 携帯機器
1300C 携帯機器
1310 筐体
1311 領域
1312 領域
2100 トランジスタ
2200 トランジスタ
2201 絶縁体
2202 導電体
2203 導電体
2204 絶縁体
2205 導電体
2206 導電体
2207 絶縁体
2208 絶縁体
2211 半導体基板
2212 絶縁層
2213 ゲート電極
2214 ゲート絶縁体
2215 ソース領域およびドレイン領域
3001 配線
3002 配線
3003 配線
3004 配線
3005 配線
3200 トランジスタ
3300 トランジスタ
3400 容量素子
4000 RFタグ
5000 基板
5001 画素部
5002 走査線駆動回路
5003 走査線駆動回路
5004 信号線駆動回路
5010 容量配線
5012 ゲート配線
5013 ゲート配線
5014 ドレイン電極
5016 トランジスタ
5017 トランジスタ
5018 液晶素子
5019 液晶素子
5020 画素
5021 スイッチング用トランジスタ
5022 駆動用トランジスタ
5023 容量素子
5024 発光素子
5025 信号線
5026 走査線
5027 電源線
5028 共通電極
5100 ペレット
5120 基板
5161 領域
8000 表示モジュール
8001 上部カバー
8002 下部カバー
8003 FPC
8004 タッチパネル
8005 FPC
8006 セル
8007 バックライトユニット
8008 光源
8009 フレーム
8010 プリント基板
8011 バッテリー
Claims (3)
- スパッタリング法を用いて酸化物半導体膜を成膜する方法であって、
裏面にマグネットユニットが設けられたインジウム、ガリウム、亜鉛および酸素を含むターゲットを、前記酸化物半導体膜が成膜される基板に対向させ、
アルゴンガスと酸素ガスの混合ガスを用いて前記酸化物半導体膜を成膜し、
前記ターゲット側の前記マグネットユニットの表面から前記基板に向かう垂直距離が10mmの位置において、水平磁場の強度の最大値が350G以上2000G以下の状態で、前記基板上に前記酸化物半導体膜を成膜し、
前記酸化物半導体膜は結晶を有することを特徴とする酸化物半導体膜の成膜方法。 - 請求項1において、
前記結晶は、c軸配向を有することを特徴とする酸化物半導体膜の成膜方法。 - 請求項1または請求項2において、
前記酸化物半導体膜は、インジウムガリウム酸化物を有し、
ガリウム原子割合[Ga/(In+Ga)]は、70%以上であることを特徴とする酸化物半導体膜の成膜方法。
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US9806200B2 (en) | 2015-03-27 | 2017-10-31 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor device |
JP6736351B2 (ja) * | 2015-06-19 | 2020-08-05 | 株式会社半導体エネルギー研究所 | 半導体装置 |
TWI766588B (zh) * | 2015-10-30 | 2022-06-01 | 日商半導體能源研究所股份有限公司 | 電容器、半導體裝置、模組以及電子裝置的製造方法 |
KR20180099725A (ko) * | 2015-12-29 | 2018-09-05 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 금속 산화물막 및 반도체 장치 |
KR20230062664A (ko) * | 2016-01-18 | 2023-05-09 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 금속 산화물막, 반도체 장치, 및 표시 장치 |
JP6796086B2 (ja) | 2016-02-05 | 2020-12-02 | 株式会社半導体エネルギー研究所 | 半導体装置 |
WO2017168283A1 (ja) | 2016-04-01 | 2017-10-05 | 株式会社半導体エネルギー研究所 | 複合酸化物半導体、当該複合酸化物半導体を用いた半導体装置、当該半導体装置を有する表示装置 |
TWI615488B (zh) * | 2016-05-18 | 2018-02-21 | 成膜裝置及其方法 | |
KR102492209B1 (ko) | 2016-05-19 | 2023-01-27 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 복합 산화물 반도체 및 트랜지스터 |
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