JP5698062B2 - 半導体装置及びその作製方法 - Google Patents
半導体装置及びその作製方法 Download PDFInfo
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- JP5698062B2 JP5698062B2 JP2011090686A JP2011090686A JP5698062B2 JP 5698062 B2 JP5698062 B2 JP 5698062B2 JP 2011090686 A JP2011090686 A JP 2011090686A JP 2011090686 A JP2011090686 A JP 2011090686A JP 5698062 B2 JP5698062 B2 JP 5698062B2
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- transistor
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- oxide semiconductor
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- GPBUGPUPKAGMDK-UHFFFAOYSA-N azanylidynemolybdenum Chemical compound [Mo]#N GPBUGPUPKAGMDK-UHFFFAOYSA-N 0.000 description 1
- 229910052788 barium Inorganic materials 0.000 description 1
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 229910052800 carbon group element Inorganic materials 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
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- 239000002826 coolant Substances 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- AJNVQOSZGJRYEI-UHFFFAOYSA-N digallium;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[Ga+3].[Ga+3] AJNVQOSZGJRYEI-UHFFFAOYSA-N 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- PZPGRFITIJYNEJ-UHFFFAOYSA-N disilane Chemical compound [SiH3][SiH3] PZPGRFITIJYNEJ-UHFFFAOYSA-N 0.000 description 1
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229910001195 gallium oxide Inorganic materials 0.000 description 1
- BIXHRBFZLLFBFL-UHFFFAOYSA-N germanium nitride Chemical compound N#[Ge]N([Ge]#N)[Ge]#N BIXHRBFZLLFBFL-UHFFFAOYSA-N 0.000 description 1
- YBMRDBCBODYGJE-UHFFFAOYSA-N germanium oxide Inorganic materials O=[Ge]=O YBMRDBCBODYGJE-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- FFUAGWLWBBFQJT-UHFFFAOYSA-N hexamethyldisilazane Chemical compound C[Si](C)(C)N[Si](C)(C)C FFUAGWLWBBFQJT-UHFFFAOYSA-N 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- QOSATHPSBFQAML-UHFFFAOYSA-N hydrogen peroxide;hydrate Chemical compound O.OO QOSATHPSBFQAML-UHFFFAOYSA-N 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 238000004518 low pressure chemical vapour deposition Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 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
- 239000011259 mixed solution Substances 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- QKCGXXHCELUCKW-UHFFFAOYSA-N n-[4-[4-(dinaphthalen-2-ylamino)phenyl]phenyl]-n-naphthalen-2-ylnaphthalen-2-amine Chemical compound C1=CC=CC2=CC(N(C=3C=CC(=CC=3)C=3C=CC(=CC=3)N(C=3C=C4C=CC=CC4=CC=3)C=3C=C4C=CC=CC4=CC=3)C3=CC4=CC=CC=C4C=C3)=CC=C21 QKCGXXHCELUCKW-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 150000002831 nitrogen free-radicals Chemical class 0.000 description 1
- GVGCUCJTUSOZKP-UHFFFAOYSA-N nitrogen trifluoride Chemical compound FN(F)F GVGCUCJTUSOZKP-UHFFFAOYSA-N 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 1
- 239000011112 polyethylene naphthalate Substances 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000001698 pyrogenic effect Effects 0.000 description 1
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- 238000005546 reactive sputtering Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000010979 ruby Substances 0.000 description 1
- 229910001750 ruby Inorganic materials 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 125000005372 silanol group Chemical group 0.000 description 1
- FDNAPBUWERUEDA-UHFFFAOYSA-N silicon tetrachloride Chemical compound Cl[Si](Cl)(Cl)Cl FDNAPBUWERUEDA-UHFFFAOYSA-N 0.000 description 1
- 239000005049 silicon tetrachloride Substances 0.000 description 1
- 239000002210 silicon-based material Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- 239000000057 synthetic resin Substances 0.000 description 1
- JBQYATWDVHIOAR-UHFFFAOYSA-N tellanylidenegermanium Chemical compound [Te]=[Ge] JBQYATWDVHIOAR-UHFFFAOYSA-N 0.000 description 1
- 238000007725 thermal activation Methods 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- WQJQOUPTWCFRMM-UHFFFAOYSA-N tungsten disilicide Chemical compound [Si]#[W]#[Si] WQJQOUPTWCFRMM-UHFFFAOYSA-N 0.000 description 1
- 229910021342 tungsten silicide Inorganic materials 0.000 description 1
- 238000004506 ultrasonic cleaning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
- 229910052727 yttrium Inorganic materials 0.000 description 1
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
Images
Classifications
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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
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76251—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques
- H01L21/76254—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology using bonding techniques with separation/delamination along an ion implanted layer, e.g. Smart-cut, Unibond
-
- 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
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/77—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate
- H01L21/78—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices
- H01L21/82—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components
- H01L21/822—Manufacture or treatment of devices consisting of a plurality of solid state components or integrated circuits formed in, or on, a common substrate with subsequent division of the substrate into plural individual devices to produce devices, e.g. integrated circuits, each consisting of a plurality of components the substrate being a semiconductor, using silicon technology
-
- 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
- H01L27/1251—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 comprising TFTs having a different architecture, e.g. top- and bottom gate TFTs
-
- 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
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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
- H01L29/66075—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
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
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- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Ceramic Engineering (AREA)
- Thin Film Transistor (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Electrodes Of Semiconductors (AREA)
Description
本実施の形態を、図1(A)〜図1(E)、図2(A)〜図2(D)、図3(A)〜図3(D)、図4(A)〜図4(C)、図5(A)〜図5(C)、図6(A)〜図6(D)を用いて説明する。
本実施の形態では、実施の形態1と異なる構成の半導体装置及びその作製方法について、図7(A)〜図7(C)、図15(A)〜図15(D)を用いて説明する。
本実施の形態では、実施の形態1及び実施の形態2と異なる構成の半導体装置及びその作製方法について、図8(A)〜図8(C)、図16(A)〜図16(D)を用いて説明する。
本実施の形態では、実施の形態1〜実施の形態3と異なる構成の半導体装置及びその作製方法について、図9(A)〜図9(C)及び図10(A)〜図10(B)、図17(A)〜図17(C)を用いて説明する。
実施の形態1〜実施の形態4では、酸化物半導体膜をチャネル形成領域に有するトランジスタは、ボトムゲート型トランジスタである。本実施の形態では、酸化物半導体膜をチャネル形成領域に有するトランジスタを、トップゲート型トランジスタとするときの半導体装置及びその作製方法について説明する。
実施の形態1では、トランジスタ120及びトランジスタ121のチャネル形成領域として、単結晶半導体層を用いた例を述べた。本実施の形態では、トランジスタ120及びトランジスタ121のチャネル形成領域として、多結晶半導体層を用いた例について説明する。
実施の形態1では、トランジスタ120及びトランジスタ121のチャネル形成領域として、ボンド基板から分離した単結晶半導体層を用いた例を述べた。本実施の形態では、トランジスタ120及びトランジスタ121のチャネル形成領域として、単結晶半導体基板を用いた例について説明する。
本実施の形態では、実施の形態1〜実施の形態5で述べた、単結晶半導体層をチャネル形成領域とするトランジスタ、酸化物半導体層をチャネル形成領域とするトランジスタ、並びに単結晶半導体層及び酸化物半導体層を有するダイオードを有する無線通信機能を有する半導体装置、実施の形態6で述べた、多結晶半導体層をチャネル形成領域とするトランジスタ、酸化物半導体層をチャネル形成領域とするトランジスタ、並びに多結晶半導体層及び酸化物半導体層を有するダイオードを有する無線通信機能を有する半導体装置、及び実施の形態7で述べた、単結晶半導体基板中にチャネル形成領域が設けられたトランジスタ、酸化物半導体層をチャネル形成領域とするトランジスタ、並びに単結晶半導体基板中に設けられたp型半導体層及びn型半導体層として機能する酸化物半導体層を有するダイオードを有する無線通信機能を有する半導体装置について述べる。
本実施の形態では、実施の形態1乃至実施の形態5で述べた、単結晶半導体層をチャネル形成領域とするトランジスタ、酸化物半導体層をチャネル形成領域とするトランジスタ、並びに単結晶半導体層及び酸化物半導体層を有するダイオードを有する電源回路、実施の形態6で述べた、多結晶半導体層をチャネル形成領域とするトランジスタ、酸化物半導体層をチャネル形成領域とするトランジスタ、並びに多結晶半導体層及び酸化物半導体層を有するダイオードを有する電源回路、実施の形態7で述べた、単結晶半導体基板をチャネル形成領域とするトランジスタ、酸化物半導体層をチャネル形成領域とするトランジスタ、並びに単結晶半導体基板及び酸化物半導体層を有するダイオードを有する電源回路について述べる。
101 絶縁膜
102 脆化層
103 ベース基板
104 単結晶半導体層
105 単結晶半導体層
106 半導体膜
107 半導体膜
108 ゲート絶縁膜
109 電極
110 不純物領域
111 不純物領域
112 サイドウォール
113 高濃度不純物領域
114 低濃度不純物領域
115 チャネル形成領域
116 高濃度不純物領域
117 低濃度不純物領域
118 チャネル形成領域
120 トランジスタ
121 トランジスタ
130 絶縁膜
131 絶縁膜
132 絶縁膜
141 ゲート電極
142 ゲート絶縁膜
143 酸化物半導体膜
144 酸化物半導体膜
145 酸化物半導体膜
146 トランジスタ
151 導電膜
152 導電膜
153 導電膜
154 導電膜
155 導電膜
174 導電膜
175 導電膜
183 酸化物半導体膜
184 酸化物半導体膜
196 トランジスタ
201 半導体膜
202 絶縁膜
204 p型半導体層
205 開口部
206 酸化物半導体膜
207 酸化物半導体膜
208 導電膜
209 導電膜
210 ダイオード
216 酸化物半導体膜
217 酸化物半導体膜
218 導電膜
219 導電膜
220 ダイオード
231 真性半導体膜
236 酸化物半導体膜
237 酸化物半導体膜
238 導電膜
239 導電膜
240 ダイオード
241 真性半導体膜
246 酸化物半導体膜
247 酸化物半導体膜
250 ダイオード
300 酸化物半導体膜
301 酸化物半導体膜
302 絶縁膜
303 ゲート電極
304 導電膜
305 導電膜
307 酸化物半導体膜
308 トランジスタ
309 ダイオード
310 酸化物半導体膜
311 酸化物半導体膜
312 絶縁膜
313 ゲート電極
314 導電膜
315 導電膜
317 酸化物半導体膜
318 トランジスタ
319 ダイオード
320 酸化物半導体膜
330 酸化物半導体膜
401 電源回路
402 電圧変換回路
403 制御回路
411 トランジスタ
412 コイル
413 ダイオード
414 コンデンサ
421 三角波発生回路
423 パルス幅変調出力ドライバ
424 抵抗
425 抵抗
427 矢印
450 回路
451 コンパレータ
452 デジタル演算処理回路
452a デジタル平均化・積分器
452b デジタルパルス幅変調器
453 パルス幅変調出力ドライバ
454 ローパスフィルタ
455 クロック分割器
800 半導体装置
801 ダイオード
802 ダイオード
803 段
810 論理回路
820 リミッタ回路部
831 ダイオード
832 ダイオード
841 配線
842 端子
843 配線
901 基板
902 絶縁膜
903 半導体層
904 多結晶半導体層
906 半導体膜
907 半導体膜
911 半導体膜
1100 半導体基板
1101 pウェル領域
1102 nウェル領域
1109 電極
1113 高濃度不純物領域
1115 チャネル形成領域
1116 高濃度不純物領域
1118 チャネル形成領域
1120 トランジスタ
1121 トランジスタ
1131 絶縁膜
1132 絶縁膜
1140 絶縁膜
1141 ゲート電極
1142 ゲート絶縁膜
1144 酸化物半導体膜
1146 トランジスタ
1151 導電膜
1152 導電膜
1153 導電膜
1154 導電膜
1155 導電膜
1174 導電膜
1175 導電膜
1184 酸化物半導体膜
1196 トランジスタ
1202 絶縁膜
1204 不純物領域
1205 開口部
1207 酸化物半導体膜
1208 導電膜
1209 導電膜
1210 ダイオード
1217 酸化物半導体膜
1218 導電膜
1219 導電膜
1220 ダイオード
1231 真性半導体膜
1237 酸化物半導体膜
1238 導電膜
1239 導電膜
1240 ダイオード
1241 真性半導体膜
1247 酸化物半導体膜
1250 ダイオード
1301 酸化物半導体膜
1302 絶縁膜
1303 ゲート電極
1304 導電膜
1305 導電膜
1307 酸化物半導体膜
1308 トランジスタ
1309 ダイオード
1311 酸化物半導体膜
1312 絶縁膜
1313 ゲート電極
1314 導電膜
1315 導電膜
1317 酸化物半導体膜
1318 トランジスタ
1319 ダイオード
2120 トランジスタ
2121 トランジスタ
2210 ダイオード
2220 ダイオード
2240 ダイオード
2250 ダイオード
2309 ダイオード
2319 ダイオード
Claims (14)
- 第1の半導体層を有する第1のトランジスタと、
前記第1のトランジスタ上の絶縁膜と、
前記絶縁膜上で、第1の酸化物半導体層を有する第2のトランジスタと、
第2の半導体層と、前記第2の半導体層上の第2の酸化物半導体層と、を有するダイオードと、を有し、
前記第1の半導体層及び前記第2の半導体層は、同じ絶縁表面上に設けられており、
前記第1の酸化物半導体層及び前記第2の酸化物半導体層は、同じ酸化物半導体を有することを特徴とする半導体装置。 - 請求項1において、
前記第2の半導体層と前記第2の酸化物半導体層とは、積層されていることを特徴とする半導体装置。 - 請求項1又は2において、
前記ダイオードは、前記第2の半導体層と前記第2の酸化物半導体層との間に、真性半導体層を有することを特徴とする半導体装置。 - 請求項1乃至3のいずれか一において、
前記第1のトランジスタはpチャネル型のトランジスタであり、
前記第2のトランジスタはnチャネル型のトランジスタであり、
前記第2の半導体層は、p型の半導体層であることを特徴とする半導体装置。 - 請求項1乃至4のいずれか一において、
前記第2のトランジスタは、ボトムゲート型トランジスタであることを特徴とする半導体装置。 - 請求項1乃至5のいずれか一において、
前記第1の半導体層及び前記第2の半導体層は、結晶質半導体又は単結晶半導体を有することを特徴とする半導体装置。 - 請求項1乃至6のいずれか一において、
前記第1の半導体層及び前記第2の半導体層は、シリコンを有することを特徴とする半導体装置。 - 請求項1乃至7のいずれか一において、
前記第1の酸化物半導体層及び前記第2の酸化物半導体層は、インジウムを有することを特徴とする半導体装置。 - 半導体膜を加工して、第1の半導体層及び第2の半導体層を形成し、
前記第1の半導体層上に第1のゲート絶縁膜を形成し、
前記第1のゲート絶縁膜上に第1のゲート電極を形成して、前記第1の半導体層と、前記第1のゲート絶縁膜と、前記第1のゲート電極とを有する第1のトランジスタを形成し、
前記第1のトランジスタ及び前記第2の半導体層を覆う領域を有する絶縁膜を形成し、
前記絶縁膜の一部を除去して、前記第2の半導体層上に開口を形成し、
前記第2の半導体層上に接する領域を有する、真性半導体層を形成し、
前記絶縁膜上に第2のゲート電極を形成し、
前記第2のゲート電極上に第2のゲート絶縁膜を形成し、
前記第2のゲート絶縁膜上及び前記真性半導体層上に、酸化物半導体膜を形成し、
前記酸化物半導体膜を加工して、前記第2のゲート絶縁膜上に第1の酸化物半導体層を形成し、前記真性半導体層上に第2の酸化物半導体層を形成して、前記第2のゲート電極と、前記第2のゲート絶縁膜と、前記第1の酸化物半導体層とを有する第2のトランジスタを形成し、前記第2の半導体層と、前記真性半導体層と、第2の酸化物半導体層とを有するダイオードを形成することを特徴とする半導体装置の作製方法。 - 請求項9において、
前記第1のトランジスタはpチャネル型のトランジスタであり、
前記第2のトランジスタはnチャネル型のトランジスタであり、
前記第2の半導体層は、p型の半導体層であることを特徴とする半導体装置の作製方法。 - 請求項9又は10において、
前記第2の半導体層、前記真性半導体層、及び前記第2の酸化物半導体層は、積層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9乃至11のいずれか一において、
前記第1の半導体層及び前記第2の半導体層は、結晶質半導体又は単結晶半導体を有することを特徴とする半導体装置の作製方法。 - 請求項9乃至12のいずれか一において、
前記第1の半導体層及び前記第2の半導体層は、シリコンを有することを特徴とする半導体装置の作製方法。 - 請求項9乃至13のいずれか一において、
前記第1の酸化物半導体層及び前記第2の酸化物半導体層は、インジウムを有することを特徴とする半導体装置の作製方法。
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