JP5490401B2 - 半導体基板の作製方法 - Google Patents
半導体基板の作製方法 Download PDFInfo
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- JP5490401B2 JP5490401B2 JP2008326652A JP2008326652A JP5490401B2 JP 5490401 B2 JP5490401 B2 JP 5490401B2 JP 2008326652 A JP2008326652 A JP 2008326652A JP 2008326652 A JP2008326652 A JP 2008326652A JP 5490401 B2 JP5490401 B2 JP 5490401B2
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- single crystal
- substrate
- layer
- crystal semiconductor
- semiconductor substrate
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- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- 239000005388 borosilicate glass Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229910052800 carbon group element Inorganic materials 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000003985 ceramic capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- DDJSWKLBKSLAAZ-UHFFFAOYSA-N cyclotetrasiloxane Chemical compound O1[SiH2]O[SiH2]O[SiH2]O[SiH2]1 DDJSWKLBKSLAAZ-UHFFFAOYSA-N 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 238000005401 electroluminescence Methods 0.000 description 1
- 238000001887 electron backscatter diffraction Methods 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 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
- 229910052735 hafnium Inorganic materials 0.000 description 1
- VBJZVLUMGGDVMO-UHFFFAOYSA-N hafnium atom Chemical compound [Hf] VBJZVLUMGGDVMO-UHFFFAOYSA-N 0.000 description 1
- 229910000449 hafnium oxide Inorganic materials 0.000 description 1
- WIHZLLGSGQNAGK-UHFFFAOYSA-N hafnium(4+);oxygen(2-) Chemical compound [O-2].[O-2].[Hf+4] WIHZLLGSGQNAGK-UHFFFAOYSA-N 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
- 230000005525 hole transport Effects 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 229910052743 krypton Inorganic materials 0.000 description 1
- 238000005499 laser crystallization Methods 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000003550 marker Substances 0.000 description 1
- 239000000155 melt Substances 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
- 150000002751 molybdenum Chemical class 0.000 description 1
- 150000002831 nitrogen free-radicals Chemical class 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 150000001282 organosilanes Chemical class 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- PVADDRMAFCOOPC-UHFFFAOYSA-N oxogermanium Chemical compound [Ge]=O PVADDRMAFCOOPC-UHFFFAOYSA-N 0.000 description 1
- BPUBBGLMJRNUCC-UHFFFAOYSA-N oxygen(2-);tantalum(5+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ta+5].[Ta+5] BPUBBGLMJRNUCC-UHFFFAOYSA-N 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 229910000077 silane Inorganic materials 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 229910001936 tantalum oxide Inorganic materials 0.000 description 1
- TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 1
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 1
- QQQSFSZALRVCSZ-UHFFFAOYSA-N triethoxysilane Chemical compound CCO[SiH](OCC)OCC QQQSFSZALRVCSZ-UHFFFAOYSA-N 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
- B23K26/3568—Modifying rugosity
- B23K26/3576—Diminishing rugosity, e.g. grinding; Polishing; Smoothing
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B33/00—After-treatment of single crystals or homogeneous polycrystalline material with defined structure
- C30B33/04—After-treatment of single crystals or homogeneous polycrystalline material with defined structure using electric or magnetic fields or particle radiation
-
- 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
- H01L21/84—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 other than a semiconductor body, e.g. being an insulating body
-
- 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
- H01L21/02656—Special treatments
- H01L21/02664—Aftertreatments
- H01L21/02667—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth
- H01L21/02675—Crystallisation or recrystallisation of non-monocrystalline semiconductor materials, e.g. regrowth using laser beams
- H01L21/02686—Pulsed laser beam
-
- 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
- H01L29/66772—Monocristalline silicon transistors on insulating substrates, e.g. quartz substrates
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Recrystallisation Techniques (AREA)
- Thin Film Transistor (AREA)
- Liquid Crystal (AREA)
- Electroluminescent Light Sources (AREA)
Description
本実施形態では、バッファ層を介して単結晶半導体層がベース基板に固定されている半導体基板およびその作製方法について説明する。さらに、本実施形態では、ベース基板に固定された単結晶半導体層の平坦化処理、および結晶性回復処理について説明する。
本実施形態では半導体基板の作製方法を説明する。図2は、本発明の半導体基板の作製方法のフローチャートである。図2のフローを用いて、図1A、図1Bおよび図1Cに示す半導体基板11〜13を作製することができる。
・UHF 300MHz以上3GHz以下
・SHF 3GHz以上以下30GHz以下
・EHF 30GHz以上以下300GHz以下
本実施形態では、半導体基板の作製方法について説明する。図12は、本実施形態の半導体基板の作製方法のフローチャートである。図12のフローを用いて、図1A〜図1Cに示す半導体基板11〜13を製造することができる。
本実施形態では、半導体基板の作製方法の一例として、図1Bの半導体基板12と同様の積層構造を有する半導体基板の作製方法について説明する。
本実施形態では、半導体基板の作製方法の一例として、図1Cの半導体基板13と同様の積層構造を有する半導体基板の作製方法について説明する。
実施形態2〜5では、1枚のドナー基板から1つの単結晶半導体層を分割し、ベース基板に固定することで、半導体基板を作製する方法を説明している。本実施形態では、1枚の単結晶半導体基板から、複数の単結晶半導体層を分割し、それらをベース基板に固定することで半導体基板を作製する方法を説明する。
本実施形態では、本発明に係る半導体基板を用いた半導体装置、およびその作製方法について説明する。本実施形態では、本発明に係る半導体基板を用いた半導体装置の一例として、トランジスタについて説明する。複数のトランジスタを組み合わせることで、各種の半導体装置が形成される。以下、図21A〜図21E、図22A〜図22C、および図23の断面図を用いて、トランジスタの作製方法を説明する。なお、本実施形態では、nチャネル型のトランジスタとpチャネル型のトランジスタを同時に作製する方法を説明する。
本実施形態では、実施形態7とは異なる方法で、トランジスタを作製する方法を説明する。さらに、本実施形態では、半導体装置の構成例として、アクティブマトリクス型表示装置について説明する。まず、図27A〜図27Cを用いて、本実施形態の表示装置の構成について説明する。本実施形態では、表示装置として、アクティブマトリクス型表示装置について説明する。
・酸化窒化シリコン膜201 100nm
・窒化酸化シリコン膜202 50nm
・酸化シリコン膜203 50nm
・497mJ/cm2
・521mJ/cm2
・544mJ/cm2
・568mJ/cm2
・592mJ/cm2
・616mJ/cm2
・639mJ/cm2
・661mJ/cm2
・683mJ/cm2
・704mJ/cm2
・574mJ/cm2
・591mJ/cm2
・607mJ/cm2
・623mJ/cm2
・639mJ/cm2
・656mJ/cm2
・672mJ/cm2
・688mJ/cm2
・704mJ/cm2
・565mJ/cm2
・579mJ/cm2
・594mJ/cm2
・609mJ/cm2
・623mJ/cm2
・574mJ/cm2
・591mJ/cm2
・607mJ/cm2
・623mJ/cm2
12 半導体基板
13 半導体基板
20 ベース基板
21 単結晶半導体層
22 バッファ層
23 バッファ層
51 半導体基板
52 半導体基板
53 半導体基板
54 半導体基板
100 ベース基板
101 単結晶半導体層
102 バッファ層
103 バッファ層
105 単結晶半導体層
110 単結晶半導体基板
111 絶縁層
112 絶縁層
113 絶縁層
114 イオン
115 損傷領域
116 切り欠き部
117 単結晶半導体層
118 単結晶半導体層
119 レーザ光
123 電磁波
124 単結晶半導体基板
128 水素ガス
150 ドナー基板
151 ドナー基板
Claims (1)
- 表面にバッファ層が形成され、かつ表面から所定の深さの領域に損傷領域が形成された複数の単結晶半導体基板を用意し、
前記損傷領域は、イオンを加速して前記単結晶半導体基板に照射することで形成された領域であり、
前記単結晶半導体基板の周囲を除去して切り欠き部を形成し、
前記切り欠き部は前記損傷領域よりも深く形成され、
ベース基板を用意し、
前記バッファ層の表面と前記ベース基板の表面を接合して、前記ベース基板に前記複数の単結晶半導体基板の一部を固定する第1の基板固定処理を行い、
前記第1の基板固定処理によって前記ベース基板に固定された前記複数の単結晶半導体基板に対して、周波数が300MHz以上300GHz以下の電磁波を照射して、当該複数の単結晶半導体基板を前記損傷領域で分割する第1の電磁波照射処理を行うことにより、前記ベース基板に複数の第1の単結晶半導体層を形成し、
前記バッファ層の表面と前記ベース基板の表面を接合して、前記ベース基板に前記複数の単結晶半導体基板の他の一部を固定する第2の基板固定処理を行い、
前記第2の基板固定処理では、前記単結晶半導体基板は、前記複数の第1の単結晶半導体層の間に、前記単結晶半導体基板の前記切り欠き部が前記第1の単結晶半導体層と重なるように配置され、
前記第2の基板固定処理によって前記ベース基板に固定された前記複数の単結晶半導体基板に対して、周波数が300MHz以上300GHz以下の電磁波を照射して、当該複数の単結晶半導体基板を前記損傷領域で分割する第2の電磁波照射処理を行うことにより、前記ベース基板に複数の第2の単結晶半導体層を形成することを特徴とする半導体基板の作製方法。
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US7508034B2 (en) * | 2002-09-25 | 2009-03-24 | Sharp Kabushiki Kaisha | Single-crystal silicon substrate, SOI substrate, semiconductor device, display device, and manufacturing method of semiconductor device |
JP5442224B2 (ja) * | 2007-07-23 | 2014-03-12 | 株式会社半導体エネルギー研究所 | Soi基板の製造方法 |
US7851318B2 (en) * | 2007-11-01 | 2010-12-14 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor substrate and method for manufacturing the same, and method for manufacturing semiconductor device |
JP5548351B2 (ja) * | 2007-11-01 | 2014-07-16 | 株式会社半導体エネルギー研究所 | 半導体装置の作製方法 |
US20090179160A1 (en) * | 2008-01-16 | 2009-07-16 | Semiconductor Energy Laboratory Co., Ltd. | Semiconductor substrate manufacturing apparatus |
US7932164B2 (en) * | 2008-03-17 | 2011-04-26 | Semiconductor Energy Laboratory Co., Ltd. | Method for manufacturing semiconductor substrate by using monitor substrate to obtain optimal energy density for laser irradiation of single crystal semiconductor layers |
SG160310A1 (en) * | 2008-10-02 | 2010-04-29 | Semiconductor Energy Lab | Manufacturing method of semiconductor substrate and semiconductor device |
JP2010093172A (ja) * | 2008-10-10 | 2010-04-22 | Fujifilm Corp | 封止デバイス |
EP2401768A4 (en) * | 2009-02-27 | 2013-07-17 | Alta Devices Inc | SUBSTRATES COVERED FOR EPITAXIAL DEPOSITION AND REMOVAL METHODS |
JP5297323B2 (ja) * | 2009-09-30 | 2013-09-25 | 株式会社東芝 | 半導体装置の製造方法 |
TWI528418B (zh) * | 2009-11-30 | 2016-04-01 | 應用材料股份有限公司 | 在半導體應用上的結晶處理 |
US8071401B2 (en) * | 2009-12-10 | 2011-12-06 | Walsin Lihwa Corporation | Method of forming vertical structure light emitting diode with heat exhaustion structure |
US9564320B2 (en) * | 2010-06-18 | 2017-02-07 | Soraa, Inc. | Large area nitride crystal and method for making it |
FR2964111B1 (fr) * | 2010-08-31 | 2013-01-25 | Commissariat Energie Atomique | Procede de collage direct entre deux plaques, comprenant une etape de formation d'une couche de protection temporaire a base d'azote |
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US7842583B2 (en) | 2010-11-30 |
US20090170286A1 (en) | 2009-07-02 |
TWI508141B (zh) | 2015-11-11 |
CN101471248B (zh) | 2012-09-26 |
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