WO2011033776A1 - 化合物半導体結晶の製造方法、電子デバイスの製造方法、および半導体基板 - Google Patents
化合物半導体結晶の製造方法、電子デバイスの製造方法、および半導体基板 Download PDFInfo
- Publication number
- WO2011033776A1 WO2011033776A1 PCT/JP2010/005648 JP2010005648W WO2011033776A1 WO 2011033776 A1 WO2011033776 A1 WO 2011033776A1 JP 2010005648 W JP2010005648 W JP 2010005648W WO 2011033776 A1 WO2011033776 A1 WO 2011033776A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compound semiconductor
- crystal
- semiconductor crystal
- sacrificial layer
- layer
- Prior art date
Links
- 239000013078 crystal Substances 0.000 title claims abstract description 264
- 239000004065 semiconductor Substances 0.000 title claims abstract description 211
- 239000000758 substrate Substances 0.000 title claims abstract description 184
- 150000001875 compounds Chemical class 0.000 title claims abstract description 158
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims description 31
- 238000005530 etching Methods 0.000 claims abstract description 44
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 16
- 239000010703 silicon Substances 0.000 claims abstract description 16
- 230000005764 inhibitory process Effects 0.000 claims description 50
- 229910001218 Gallium arsenide Inorganic materials 0.000 claims description 35
- 238000000137 annealing Methods 0.000 claims description 17
- -1 phosphorus compound Chemical class 0.000 claims description 12
- 229910052698 phosphorus Inorganic materials 0.000 claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 8
- 229910052814 silicon oxide Inorganic materials 0.000 claims description 8
- 239000011574 phosphorus Substances 0.000 claims description 6
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 5
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 5
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 claims description 4
- 229910000577 Silicon-germanium Inorganic materials 0.000 claims description 4
- 229910002704 AlGaN Inorganic materials 0.000 claims description 3
- 229910002601 GaN Inorganic materials 0.000 claims description 3
- 229910052787 antimony Inorganic materials 0.000 claims description 3
- 229910052785 arsenic Inorganic materials 0.000 claims description 3
- 229910052733 gallium Inorganic materials 0.000 claims description 3
- 229910021478 group 5 element Inorganic materials 0.000 claims description 3
- 229910052738 indium Inorganic materials 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 5
- 238000000926 separation method Methods 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 18
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 230000005669 field effect Effects 0.000 description 11
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- 239000007789 gas Substances 0.000 description 8
- 238000001459 lithography Methods 0.000 description 8
- 239000010953 base metal Substances 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 6
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 239000003795 chemical substances by application Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 239000011701 zinc Substances 0.000 description 6
- XYFCBTPGUUZFHI-UHFFFAOYSA-N Phosphine Natural products P XYFCBTPGUUZFHI-UHFFFAOYSA-N 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000010931 gold Substances 0.000 description 5
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 230000002401 inhibitory effect Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007740 vapor deposition Methods 0.000 description 4
- 239000007864 aqueous solution Substances 0.000 description 3
- 239000012298 atmosphere Substances 0.000 description 3
- 238000005247 gettering Methods 0.000 description 3
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000012299 nitrogen atmosphere Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 229910000073 phosphorus hydride Inorganic materials 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- QLOKJRIVRGCVIM-UHFFFAOYSA-N 1-[(4-methylsulfanylphenyl)methyl]piperazine Chemical compound C1=CC(SC)=CC=C1CN1CCNCC1 QLOKJRIVRGCVIM-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 description 2
- 239000004840 adhesive resin Substances 0.000 description 2
- 229920006223 adhesive resin Polymers 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002488 metal-organic chemical vapour deposition Methods 0.000 description 2
- 239000000276 potassium ferrocyanide Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910000077 silane Inorganic materials 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- XOGGUFAVLNCTRS-UHFFFAOYSA-N tetrapotassium;iron(2+);hexacyanide Chemical compound [K+].[K+].[K+].[K+].[Fe+2].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-].N#[C-] XOGGUFAVLNCTRS-UHFFFAOYSA-N 0.000 description 2
- 238000002230 thermal chemical vapour deposition Methods 0.000 description 2
- 229910017401 Au—Ge Inorganic materials 0.000 description 1
- 229910004613 CdTe Inorganic materials 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000012300 argon atmosphere Substances 0.000 description 1
- RBFQJDQYXXHULB-UHFFFAOYSA-N arsane Chemical compound [AsH3] RBFQJDQYXXHULB-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- HQWPLXHWEZZGKY-UHFFFAOYSA-N diethylzinc Chemical compound CC[Zn]CC HQWPLXHWEZZGKY-UHFFFAOYSA-N 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- ZGNPLWZYVAFUNZ-UHFFFAOYSA-N tert-butylphosphane Chemical compound CC(C)(C)P ZGNPLWZYVAFUNZ-UHFFFAOYSA-N 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
- 238000001039 wet etching Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/02—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof characterised by the semiconductor bodies
- H01L33/26—Materials of the light emitting region
- H01L33/30—Materials of the light emitting region containing only elements of Group III and Group V of the Periodic Table
-
- 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
-
- 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
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
-
- 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
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
- C30B25/02—Epitaxial-layer growth
- C30B25/18—Epitaxial-layer growth characterised by the substrate
-
- 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
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
-
- 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
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/46—Sulfur-, selenium- or tellurium-containing compounds
- C30B29/48—AIIBVI compounds wherein A is Zn, Cd or Hg, and B is S, Se or Te
-
- 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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02373—Group 14 semiconducting materials
- H01L21/02381—Silicon, silicon germanium, germanium
-
- 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
- H01L21/02367—Substrates
- H01L21/0237—Materials
- H01L21/02387—Group 13/15 materials
- H01L21/02395—Arsenides
-
- 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
- H01L21/02436—Intermediate layers between substrates and deposited layers
- H01L21/02439—Materials
- H01L21/02441—Group 14 semiconducting materials
-
- 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
-
- 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
- H01L21/02538—Group 13/15 materials
- H01L21/02546—Arsenides
-
- 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
- H01L21/02636—Selective deposition, e.g. simultaneous growth of mono- and non-monocrystalline semiconductor materials
- H01L21/02639—Preparation of substrate for selective deposition
-
- 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
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/185—Joining of semiconductor bodies for junction formation
- H01L21/187—Joining of semiconductor bodies for junction formation by direct bonding
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0062—Processes for devices with an active region comprising only III-V compounds
- H01L33/0066—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound
- H01L33/007—Processes for devices with an active region comprising only III-V compounds with a substrate not being a III-V compound comprising nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L33/00—Semiconductor devices having potential barriers specially adapted for light emission; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L33/005—Processes
- H01L33/0093—Wafer bonding; Removal of the growth substrate
Definitions
- the present invention relates to a compound semiconductor crystal manufacturing method, an electronic device manufacturing method, and a semiconductor substrate.
- Patent Document 1 describes a manufacturing process of a semiconductor composite device. Specifically, in the manufacturing process, after an InGaP layer as an etching stop layer is grown on a GaAs substrate, an AlAs layer as a release layer is grown, and then a GaAs crystal layer is grown. Subsequently, a groove reaching the peeling layer from the substrate surface is formed on the substrate by lithography. Next, an etching solution is brought into contact with the AlAs peeling layer through the formed groove to remove the AlAs peeling layer, thereby peeling the GaAs crystal layer from the GaAs substrate to produce a self-supporting GaAs crystal (LED epifilm). To do.
- LED epifilm self-supporting GaAs crystal
- Patent Document 1 Japanese Patent Application Laid-Open No. 2004-207323
- the cost of the GaAs substrate used for growing the GaAs compound semiconductor crystal layer is high.
- a Ge substrate that is pseudo-lattice-matched with GaAs can be used for the growth of a GaAs compound semiconductor crystal layer, but the cost of the Ge substrate is high, as is the case with a GaAs substrate. Therefore, when a semiconductor device is manufactured using a GaAs substrate and a Ge substrate, the cost of the semiconductor device increases. Further, by providing an InGaP layer as an etching stop layer on the GaAs substrate or forming a groove reaching the release layer from the substrate surface, the cost further increases.
- the GaAs compound semiconductor is affected by the crystal defects contained in the GaAs compound semiconductor crystal layer.
- the subject that the light quantity which the light-emitting device manufactured using the crystal layer light-emits is insufficient also arises.
- C x1 Si y1 Ge z1 Sn 1-x1-y1-z1 (0 ⁇ x1 ⁇ 1, 0 ⁇ y1 ⁇ 1,
- a crystal peeling step of peeling the compound semiconductor crystal from the base substrate by etching the sacrificial layer
- the sacrificial layer is selectively etched with respect to the compound semiconductor crystal layer.
- the crystal formation step includes, for example, a first growth step for growing a compound semiconductor crystal at 400 ° C. to 600 ° C. and a second growth step for further growing the compound semiconductor crystal at a temperature higher than the growth temperature in the first growth step.
- the compound semiconductor crystal may be grown on the sacrificial layer while keeping a part of the sacrificial layer formed on the base substrate exposed.
- the sacrificial layer and the inhibiting layer forming step of inhibiting the growth of the compound semiconductor crystal are formed on the base substrate, and a part of the base substrate is exposed.
- An opening forming step of forming the opening in the inhibition layer, and the sacrifice layer may be crystal-grown in the opening.
- the opening forming step includes, for example, a step of etching the inhibition layer.
- a gap may be provided between the sacrificial layer and the inhibition layer.
- a step of annealing the sacrificial layer may be further provided between the crystal formation step and the crystal peeling step.
- annealing may be performed a plurality of times.
- a step of contacting the surface of the sacrificial layer facing the compound semiconductor crystal with a gas containing a phosphorus compound may be further provided.
- the compound semiconductor crystal is, for example, a III-V group compound semiconductor crystal or a II-VI group compound semiconductor crystal.
- the group III-V compound semiconductor crystal contains at least one of Al, Ga, and In as a group III element and contains at least one of N, P, As, and Sb as a group V element.
- the inhibition layer is, for example, a silicon oxide layer, a silicon nitride layer, a silicon oxynitride layer, an aluminum oxide layer, or a layer in which two or more of these layers are stacked. You may further provide the process of hold
- an electronic device manufacturing method including a step of forming a functional crystal in which electrodes and wirings are provided on the compound semiconductor crystal obtained by the above-described compound semiconductor crystal manufacturing method.
- the method for manufacturing the electronic device may further include a step of preparing an attached base substrate different from the base substrate, and a step of attaching a functional crystal to the attached base substrate. A step of attaching a plurality of functional crystals to the attached base substrate may be provided.
- a base substrate whose surface is a silicon crystal, an inhibition layer that is provided on the base substrate and inhibits crystal growth and has an opening that exposes a part of the base substrate, C x1 Si y1 Ge z1 Sn 1-x1-y1-z1 (0 ⁇ x1 ⁇ 1, 0 ⁇ y1 ⁇ 1, 0 ⁇ z1 ⁇ 1, and 0 ⁇ x1 + y1 + z1 ⁇ 1)
- a compound semiconductor crystal including a compound semiconductor that is provided on the sacrificial layer and includes a compound semiconductor that lattice matches or pseudo-lattice matches with the sacrificial layer, and provides a semiconductor substrate having a gap between the sacrificial layer and the inhibition layer To do.
- the inclination direction of the side wall facing the opening with respect to the stacking direction of the base substrate and the sacrificial layer may be 0.5 ° or more.
- the compound semiconductor crystal is, for example, GaAs, AlGaAs, GaN, or AlGaN, and the sacrificial layer is Ge or SiGe.
- FIG. 1 shows a configuration of a semiconductor substrate 1000 according to the present embodiment.
- the manufacturing method of the semiconductor substrate 1000 is shown.
- a method for manufacturing the compound semiconductor crystal 104 peeled from the base substrate 100 will be described.
- the structure of the LED device 2000 which concerns on this embodiment is shown.
- the process of manufacturing the semiconductor substrate 4000 is shown.
- the process of manufacturing the LED functional crystal 309 obtained from the semiconductor substrate 4000 is shown.
- the process of manufacturing the LED device 312 using the LED functional crystal 309 obtained from the semiconductor substrate 4000 will be described.
- a method for manufacturing a semiconductor substrate 5000 will be described.
- a method for manufacturing an LED device 515 using a semiconductor substrate 5000 will be described.
- a method for manufacturing an LED device 515 using a semiconductor substrate 5000 will be described.
- FIG. 1 shows a configuration of a semiconductor substrate 1000 according to the present embodiment.
- the semiconductor substrate 1000 includes a base substrate 100, an inhibition layer 101, a sacrificial layer 103, and a compound semiconductor crystal 104.
- the surface of the base substrate 100 is a silicon crystal. That is, the base substrate 100 has a region composed of silicon crystals on the surface.
- the base substrate 100 is, for example, an Si substrate (Si wafer) or an SOI (silicon-on-insulator) substrate in which the entire substrate is a silicon crystal.
- the SOI substrate is a substrate in which a silicon crystal is formed on the surface of an insulating substrate such as a sapphire substrate or a glass substrate.
- the silicon crystal may contain impurities. Note that the case where an extremely thin silicon oxide layer or silicon nitride layer such as a natural oxide layer is formed on a silicon crystal on the surface of the substrate is also included in the concept of “a substrate whose surface is a silicon crystal”.
- the surface of the base substrate 100 is, for example, a (100) plane, a (110) plane, a (111) plane, or a plane equivalent to each of these. Further, the surface of the base substrate 100 may be slightly inclined from the crystallographic plane orientation. That is, the base substrate 100 may have an off angle.
- the magnitude of the off angle is, for example, 10 ° or less.
- the magnitude of the off angle is preferably 0.05 ° or more and 6 ° or less, more preferably 0.3 ° or more and 6 ° or less.
- the inhibition layer 101 inhibits the crystal growth of the sacrificial layer 103 and the compound semiconductor crystal 104. That is, the sacrificial layer 103 and the compound semiconductor crystal 104 grow in a region where the inhibition layer 101 is not provided.
- the inhibition layer 101 is provided on the base substrate 100 and has an opening 102 that reaches the base substrate 100.
- the opening 102 can be formed by, for example, a lithography method.
- the surface of the base substrate 100 is a (100) plane or a (110) plane, or a (100) plane or a (110) plane, respectively. It is preferable that the surface is equivalent to When the surface of the base substrate 100 is any one of the above surfaces, the four-fold symmetrical side surfaces are likely to appear in the sacrificial layer 103 and the compound semiconductor crystal 104.
- the sacrificial layer 103 and the compound semiconductor crystal 104 have four-fold symmetrical side surfaces, the etching rate of the sacrificial layer 103 and the compound semiconductor crystal 104 is highly reproducible, so that the etching time can be easily controlled.
- the sacrificial layer 103 is a layer that is removed when the compound semiconductor crystal 104 is peeled from the semiconductor substrate 1000.
- the sacrificial layer 103 is provided in contact with the base substrate 100 in the opening 102.
- the sacrificial layer 103 includes, for example, C x1 Si y1 Ge z1 Sn 1-x1-y1-z1 (0 ⁇ x1 ⁇ 1, 0 ⁇ y1 ⁇ 1, 0 ⁇ z1 ⁇ 1, and 0 ⁇ x1 + y1 + z1 ⁇ 1).
- the sacrificial layer 103 is, for example, a Ge layer, a SiGe layer, or a SiC layer.
- the compound semiconductor crystal 104 constitutes, for example, a field effect transistor or a light emitting diode (LED).
- the compound semiconductor crystal 104 functions as a channel through which carriers move in a field effect transistor.
- the compound semiconductor crystal 104 is lattice-matched or pseudo-lattice-matched to the sacrificial layer 103.
- the compound semiconductor crystal 104 may have a crystal layer structure.
- “pseudo-lattice matching” is not perfect lattice matching, but is in contact with each other within a range where the difference in lattice constant between two semiconductors in contact with each other is small and defects due to lattice mismatch are not significant.
- the stacked state of Ge and GaAs or Ge and InGaP within the lattice relaxation limit thickness is called pseudo-lattice matching.
- the compound semiconductor crystal 104 is, for example, a group III-V compound semiconductor crystal or a group II-VI compound semiconductor crystal.
- the III-V compound semiconductor includes at least one of Al, Ga, In, for example, as a group III element, and at least one of N, P, As, Sb, for example, as a group V element.
- the compound semiconductor crystal 104 is, for example, GaAs, AlGaAs, or InGaAs.
- Examples of the II-VI group compound semiconductor include ZnO, CdTe, and ZnSe.
- the sacrificial layer 103 includes C x1 Si y1 Ge z1 Sn 1-x1-y1-z1 (0 ⁇ x1 ⁇ 1, 0 ⁇ y1 ⁇ 1, 0 ⁇ z1 ⁇ 1, and 0 ⁇ x1 + y1 + z1 ⁇ 1)
- the selectivity of the etching rate for the compound semiconductor crystal 104 is large.
- the compound semiconductor crystal 104 is GaAs, AlGaAs, GaN, or AlGaN
- the sacrificial layer 103 is preferably Ge or SiGe.
- Etching agents are, for example, hydrofluoric acid, acetic acid, phosphoric acid, aqueous hydrogen peroxide, aqueous sodium hydroxide, aqueous potassium hydroxide, aqueous potassium ferrocyanide, aqueous magnesium ferrocyanide, or aqueous potassium chromate.
- the etchant may be a mixture of these two or more liquids.
- the compound semiconductor crystal 104 and the sacrificial layer 103 have the above composition
- the compound semiconductor crystal 104 can be peeled while maintaining little etching damage to the compound semiconductor crystal 104.
- the crystallinity of the sacrificial layer 103 having the above composition is superior to the crystallinity of AlAs
- the compound semiconductor crystal 104 grown on the sacrificial layer 103 having the above composition was formed on the AlAs layer.
- the defect density can be made smaller than that of the GaAs layer. Therefore, the electrical characteristics of the light emitting device and the electronic device formed on the compound semiconductor crystal 104 can be improved.
- FIG. 2A shows a method for manufacturing the semiconductor substrate 1000.
- the base substrate 100 is prepared.
- the inhibition layer 101 is formed on the base substrate 100.
- the inhibition layer 101 is, for example, a silicon oxide layer, a silicon nitride layer, a silicon oxynitride layer, an aluminum oxide layer, or a layer in which two or more of these layers are stacked.
- the inhibition layer 101 can be formed by, for example, a vapor deposition method, a sputtering method, or a CVD method.
- the thickness of the inhibition layer 101 is preferably larger than a predetermined thickness in order to obtain a stable surface shape. However, when the inhibition layer 101 is extremely thick, the arrival of the etching agent to the sacrificial layer 103 may be suppressed. Therefore, it is preferable to determine the thickness of the inhibition layer 101 in consideration of these. Specifically, the thickness of the inhibition layer 101 is, for example, not less than 2 nm and not more than 500 nm, preferably not less than 5 nm and not more than 200 nm, more preferably not less than 10 nm and not more than 100 nm.
- an opening 102 reaching the base substrate 100 is formed in the inhibition layer 101.
- the opening 102 can be formed by a method of forming by etching with a chemical solution using a photoresist formed by photolithography as a mask or a method of forming by dry etching using gas plasma.
- the width of the inhibition layer 101 in the direction perpendicular to the surface of the base substrate 100 is preferably reduced in the vicinity of the opening 102 as it approaches the boundary line with the inhibition layer 101 on the bottom surface of the opening 102. That is, the side wall of the inhibition layer 101 that forms the opening 102 is preferably formed in a tapered shape.
- the bottom surface of the opening 102 is a surface inside the opening 102 where the base substrate 100 is exposed.
- the inhibition layer 101 Since the inhibition layer 101 has a tapered shape, a part of the sacrificial layer 103 formed in the opening 102 in S204 is exposed. As a result, the gap between the sacrificial layer 103 and the inhibition layer 101 becomes large, and the etching agent can easily reach the sacrificial layer 103, so that the etching time for removing the sacrificial layer 103 by etching can be shortened. Can do.
- the taper angle of the side wall of the inhibition layer 101 forming the opening 102 is, for example, 0.5 ° or more, preferably 1 ° or more, more preferably 5 ° or more, and further preferably 10 ° or more.
- the taper angle of the side wall of the inhibition layer 101 is an angle of the inclination direction of the side wall with respect to the stacking direction of the base substrate 100 and the sacrificial layer 103.
- Bottom area of the opening 102 is, for example, 0.01 mm 2 or less, preferably 1600 .mu.m 2 or less, more preferably 900 .mu.m 2 or less.
- the bottom area of the opening 102 is the area of the bottom surface of the opening 102.
- the bottom area of the opening 102 is preferably 25 ⁇ m 2 or more. If the bottom area is 25 ⁇ m 2 or more, when the crystal is epitaxially grown inside the opening 102, the stability of the growth rate of the crystal is increased, and the shape of the crystal is hardly disturbed. In addition, it becomes easier to fabricate a device by processing the crystal and improve the yield, which is preferable in terms of production efficiency.
- the ratio of the bottom area of the opening 102 to the area of the base substrate 100 covered with the inhibition layer 101 is preferably 0.01% or more. If the ratio is 0.01% or more, when a crystal is grown in the opening 102, the growth rate of the crystal becomes more stable. In calculating the above ratio, when a plurality of openings 102 are formed in the inhibition layer 101, the bottom area of the opening 102 means the sum of the bottom areas of the plurality of openings 102 formed in the inhibition layer 101. To do.
- the length of one side of the bottom surface (long side in the case of a rectangle) is, for example, 100 ⁇ m or less, preferably 80 ⁇ m or less, more preferably It is 40 ⁇ m or less, more preferably 30 ⁇ m or less.
- the sacrificial layer 103 formed inside the opening 102 is annealed compared to the case where the length of one side of the bottom surface shape is larger than 100 ⁇ m. The time required can be shortened.
- the length of one side of the bottom shape of the opening 102 is 100 ⁇ m or less, the difference in thermal expansion coefficient between the compound semiconductor crystal 104 formed on the sacrificial layer 103 and the base substrate 100 in S205 is Even if it is large, the occurrence of crystal defects in the compound semiconductor crystal 104 can be suppressed. Further, the time required for removing the sacrificial layer 103 by etching can be shortened.
- a higher performance device can be formed using the compound semiconductor crystal 104 formed in the opening 102.
- the device can be manufactured with higher yield.
- a sacrificial layer 103 is formed on the base substrate 100. Specifically, the sacrificial layer 103 is grown on the base substrate 100 exposed inside the opening 102 formed in the inhibition layer 101. The crystal growth is, for example, epitaxial growth. When the sacrificial layer 103 is epitaxially grown, the sacrificial layer 103 is not formed on the upper surface of the inhibiting layer 101 because the inhibiting layer 101 inhibits the growth of the sacrificial layer 103.
- the sacrificial layer 103 has a shape that tapers as it grows.
- the shape of the sacrificial layer 103 is preferably a trapezoid.
- a gap can be provided between the sacrificial layer 103 and the inhibition layer 101.
- the etching agent can easily reach the sacrificial layer 103, so that the etching time can be shortened.
- the taper angle of the sacrificial layer 103 is, for example, 0.5 ° or more, preferably 1 ° or more, more preferably 5 ° or more, and further preferably 10 ° or more.
- the taper angle of the sacrificial layer 103 is an angle in the inclination direction of the side wall of the sacrificial layer 103 with respect to the stacking direction of the base substrate 100 and the sacrificial layer 103.
- the taper angle can be controlled by the pressure and temperature in the furnace for crystal growth of the sacrificial layer 103. For example, the taper angle can be increased as the pressure in the furnace is increased or the temperature is increased.
- anneal the sacrificial layer 103 at a temperature and a time at which the crystal defects of the sacrificial layer 103 can move. This annealing may be repeated a plurality of times.
- crystal defects in the sacrificial layer 103 move inside the sacrificial layer 103 and, for example, the interface between the sacrificial layer 103 and the inhibition layer 101, the surface of the sacrificial layer 103, or the sacrificial layer 103 Captured by internal gettering sink. By capturing the crystal defects in the gettering sink, crystal defects near the surface of the sacrificial layer 103 can be eliminated.
- the interface between the sacrificial layer 103 and the inhibition layer 101, the surface of the sacrificial layer 103, or the gettering sink inside the sacrificial layer 103 is an example of a defect capturing unit that captures a crystal defect that can move inside the sacrificial layer 103.
- the defect trapping portion may be a crystal interface or surface, or a physical flaw. It is preferable that the defect trapping portion is disposed within a distance that allows crystal defects to move at the annealing temperature and time.
- the sacrificial layer 103 is annealed, for example, the sacrificial layer 103 is annealed at 900 ° C. or lower, preferably 850 ° C. or lower.
- the flatness of the surface of the sacrificial layer 103 is maintained.
- the flatness of the surface of the sacrificial layer 103 is particularly important when another layer is stacked on the surface of the sacrificial layer 103.
- anneal the sacrificial layer 103 it is preferable to anneal the sacrificial layer 103 at 680 ° C. or higher, preferably 700 ° C. or higher. By annealing the sacrificial layer 103 in the temperature range, the density of crystal defects in the sacrificial layer 103 can be further reduced. As described above, it is preferable to anneal the sacrificial layer 103 under conditions of 680 ° C. or higher and 900 ° C. or lower. One annealing time is preferably 1 minute or longer, and more preferably 5 minutes or longer. The longer the annealing time, the better the crystallinity. However, from the viewpoint of production efficiency, the annealing time is preferably 120 minutes or less.
- the sacrificial layer 103 is annealed in an air atmosphere, a nitrogen atmosphere, an argon atmosphere, or a hydrogen atmosphere.
- annealing the sacrificial layer 103 in an atmosphere containing hydrogen can further reduce the density of crystal defects in the sacrificial layer 103 while maintaining the surface state of the sacrificial layer 103 in a smooth state.
- the crystal defect density of the sacrificial layer 103 is further reduced, the performance of the light-emitting device or electronic device formed in the compound semiconductor crystal 104 can be further improved.
- the step of bringing the surface of the sacrificial layer 103 facing the compound semiconductor crystal 104 into contact with a gas containing a phosphorus compound is performed after the step of annealing.
- the compound semiconductor crystal 104 is formed on the sacrificial layer 103.
- the compound semiconductor crystal 104 is formed on the sacrificial layer 103 under conditions of, for example, usually 400 ° C. or higher and 1000 ° C. or lower, preferably 500 ° C. or higher and 800 ° C. or lower.
- the compound semiconductor crystal 104 is grown, it is preferable that the compound semiconductor crystal 104 is grown at a lower temperature as the first stage and the compound semiconductor crystal 104 is grown at a higher temperature as the second stage.
- the growth temperature in the first stage is, for example, 400 ° C. or more and 600 ° C. or less, preferably 400 ° C. or more and 550 ° C. or less.
- the growth temperature in the second stage is preferably higher than the growth temperature in the first stage.
- the growth temperature in the second stage is, for example, 500 ° C. or higher and 1000 ° C. or lower, preferably 550 ° C. or higher and 800 ° C. or lower.
- the thickness of the compound semiconductor crystal 104 grown in the first stage is, for example, 5 nm to 300 nm, preferably 10 nm to 200 nm, and more preferably 15 nm to 100 nm.
- the thickness of the compound semiconductor crystal 104 grown in the second stage is, for example, 5 nm to 300 nm, preferably 10 nm to 200 nm, and more preferably 15 nm to 100 nm.
- the compound semiconductor crystal 104 may be grown by changing the crystal growth temperature into three or more stages and changing the temperature from a low temperature to a high temperature.
- the compound semiconductor crystal 104 is preferably grown on the sacrificial layer 103 while keeping a part of the sacrificial layer 103 exposed. For example, it is preferable to grow the compound semiconductor crystal 104 on the sacrificial layer 103 while keeping the side surface of the sacrificial layer 103 exposed. By keeping the side surface of the sacrificial layer 103 exposed, the etching solution can easily reach the sacrificial layer 103 when the compound semiconductor crystal 104 is peeled off from the substrate by etching. As a result, the compound semiconductor crystal 104 can be peeled from the base substrate 100 without specially processing the compound semiconductor crystal 104 by etching or the like.
- the compound semiconductor crystal 104 has a shape that tapers as it grows.
- the compound semiconductor crystal 104 preferably has a trapezoidal cross section.
- the taper angle of the compound semiconductor crystal 104 is, for example, 0.5 ° or more, preferably 1 ° or more, more preferably 5 ° or more, and further preferably 10 ° or more.
- At least a part of the side surface of the sacrificial layer 103 may be exposed by making the thickness of the sacrificial layer 103 larger than the thickness of the inhibition layer 101.
- the etchant easily reaches the sacrificial layer 103 when the compound semiconductor crystal 104 is peeled off. Therefore, the compound semiconductor crystal 104 is specially processed by etching or the like. The compound semiconductor crystal 104 can be peeled off.
- the compound semiconductor crystal 104 has a crystal layer structure corresponding to characteristics or functions required for an electronic device manufactured using the compound semiconductor crystal 104.
- the compound semiconductor crystal 104 is used for, for example, a photodiode, LED, bipolar transistor, or field effect transistor.
- An electronic device can be manufactured by attaching an electrode to the compound semiconductor crystal 104.
- the electrode is an ohmic electrode or a Schottky electrode.
- a p-type crystal layer and an n-type crystal layer provided in advance on the compound semiconductor crystal 104 are exposed by etching or the like.
- An LED device can be manufactured by forming an ohmic electrode on the exposed crystal face and further applying a conductive wiring to the electrode.
- FIG. 2B shows a method of manufacturing the compound semiconductor crystal 104 peeled from the base substrate 100.
- the support body 105 is provided on the semiconductor substrate 1000 manufactured by the manufacturing method shown in FIG. 2A.
- the support 105 is used when holding the compound semiconductor crystal 104 peeled from the base substrate 100.
- the support 105 is, for example, an adhesive resin wax or a vacuum chuck.
- the compound semiconductor crystal 104 is peeled from the base substrate 100 by selectively etching the sacrificial layer 103 with respect to the compound semiconductor crystal 104.
- the compound semiconductor crystal 104 becomes a self-supporting crystal.
- the sacrificial layer 103 is removed by a wet etching method using a chemical solution as an etchant.
- “selectively etching the sacrificial layer 103 with respect to the compound semiconductor crystal 104” means that the sacrificial layer 103 is etched under the condition that the etching rate of the sacrificial layer 103 is higher than the etching rate of the compound semiconductor crystal 104. That is.
- the etching is performed using an etching agent having a higher etching rate for the sacrificial layer 103 than for the compound semiconductor crystal 104.
- Etching agents are, for example, hydrofluoric acid, acetic acid, phosphoric acid, aqueous hydrogen peroxide, aqueous sodium hydroxide, aqueous potassium hydroxide, aqueous potassium ferrocyanide, aqueous magnesium ferrocyanide, or aqueous potassium chromate.
- the etchant may be a mixture of these two or more liquids.
- the etchant may be heated or stirred.
- the etching may be performed under ultraviolet light irradiation.
- the semiconductor substrate 1000 may be vibrated or rotated during the etching.
- the compound semiconductor crystal 104 held on the support 105 is attached to the attaching base substrate 106.
- the attached base substrate 106 is, for example, a Si substrate, a silicon nitride substrate, a silicon oxide substrate, a silicon carbide substrate, a metal substrate, or a ceramic substrate.
- the affixing base substrate 106 is preferably a Si substrate.
- a pasting base metal may be laminated on the pasting surface of the pasting base substrate 106.
- the affixing base metal is, for example, gold or palladium.
- the support 105 is peeled from the compound semiconductor crystal 104 with the support 105 attached to the attached base substrate 106. As a result, the compound semiconductor crystal 104 attached to the attached base substrate 106 can be obtained.
- one compound semiconductor crystal 104 is shown on the attached base substrate 106, but a plurality of compound semiconductor crystals 104 may be provided on the attached base substrate 106.
- the compound semiconductor crystals 104 are arranged in an array on the attached base substrate 106.
- Two or more types of compound semiconductor crystals 104 having different functions may be attached to the attached base substrate 106.
- FIG. 3 shows a configuration of the LED device 2000 according to the present embodiment.
- the LED device 2000 includes an LED functional crystal 210, a field effect transistor functional crystal 220, a metal wiring 240, and a pasted base substrate 206.
- the pasted base substrate 206 is, for example, a Si substrate.
- the LED functional crystal 210 includes a GaN crystal 212, an anode electrode 214, and a cathode electrode 216.
- the field effect transistor functional crystal 220 includes a GaAs crystal 222, a gate insulating film 224, a gate electrode 226, a source electrode 228, and a drain electrode 230.
- the metal wiring 240 connects the cathode electrode 216 and the drain electrode 230.
- the anode electrode 214 is connected to a power source.
- the gate electrode 226 receives a control voltage and the source electrode 228 is grounded.
- the field effect transistor functional crystal 220 switches the current supplied to the LED functional crystal 210 according to the control voltage.
- a resistance element may be provided between the cathode electrode 216 and the drain electrode 230.
- the LED device 2000 may have a plurality of LED function crystals 210 and a plurality of field effect transistor function crystals 220 on the attached base substrate 206.
- the plurality of LED function crystals 210 and the plurality of field effect transistor function crystals 220 may be arranged in an array on the attached base substrate 206.
- a device in which a plurality of LED function crystals 210 and a plurality of field effect transistor function crystals 220 are arranged in an array functions as an LED printer head.
- FIG. 4A shows a process for manufacturing the semiconductor substrate 4000.
- FIG. 4B shows a process of manufacturing the LED functional crystal 309 obtained from the semiconductor substrate 4000.
- FIG. 4C shows a process of manufacturing the LED device 312 using the LED functional crystal 309 obtained from the semiconductor substrate 4000.
- a Si substrate 300 having a surface with a plane orientation (001) and an off angle of 0 ° was prepared.
- a 50 nm inhibition layer 301 made of silicon oxide was deposited on the surface of the Si substrate 300 by thermal CVD. Silane and oxygen were used as source gases.
- the surface temperature of the Si substrate 300 was 600 ° C.
- step S403 a resist pattern having a square opening with a side of 200 ⁇ m was formed on the inhibition layer 301 by a stepper exposure method.
- the Si substrate 300 was immersed in a 5% by mass HF aqueous solution, and the silicon oxide exposed in the resist opening was removed by etching to expose the surface of the Si substrate 300.
- the opening 302 was formed by dissolving and removing the photoresist with acetone.
- the taper angle of the side wall of the inhibition layer 301 was 15 °.
- a Ge sacrificial layer 303 as an example of a sacrificial layer was deposited on the surface of the Si substrate 300 exposed in the opening 302 by a thermal CVD method.
- GeH 4 was used as the source gas.
- Ge was epitaxially grown only on the surface of the Si substrate 300 exposed in the opening 302 without Ge being deposited on the surface of the inhibition layer 301 made of silicon oxide.
- the thickness of the Ge sacrificial layer 303 was 500 nm.
- the Si substrate 300 was annealed at 800 ° C. for 10 minutes in a nitrogen atmosphere. This annealing process was repeated 5 times at intervals of 5 minutes.
- a compound semiconductor crystal 304 made of a III-V compound semiconductor crystal was epitaxially grown on the Ge sacrificial layer 303 by MOCVD.
- the source gas trimethylaluminum, trimethylgallium, silane, diethyl zinc, and arsine were used.
- the substrate temperature was 680 ° C.
- the growth furnace pressure was 12 KPa.
- the compound semiconductor crystal 304 has n-GaAs (Si; 2 ⁇ 10 19 cm 3 , 100 nm) / n-Al 0.25 Ga 0.75 As (Si; 2 ⁇ 10 18 cm 3 ) from the Ge sacrificial layer 303 side.
- the compound semiconductor crystal 304 was selectively epitaxially grown only on the surface of the Ge sacrificial layer 303 inside the opening 302 without being deposited on the surface of the inhibition layer 301.
- the compound semiconductor crystal 304 grew on the top surface of the Ge sacrificial layer 303 and did not grow on the side surface of the Ge sacrificial layer 303.
- the Ge sacrificial layer 303 was kept in a form in which a part of the side surface was exposed. In this way, a semiconductor substrate 4000 having the compound semiconductor crystal 304 could be manufactured.
- a resist was applied to the semiconductor substrate 4000, and an opening having the same shape as the cathode shape was formed on the compound semiconductor crystal 304 by lithography.
- the semiconductor substrate 4000 was immersed in a 4% by mass phosphoric acid aqueous solution, and the compound semiconductor crystal was etched to a depth reaching n-GaAs.
- an Au—Ge alloy was laminated by vapor deposition. The semiconductor substrate 4000 was immersed in acetone, the resist was removed, and the cathode 305 was formed.
- a resist was applied to the semiconductor substrate 4000, and the same opening as the anode shape was formed on the compound semiconductor crystal 304 by lithography.
- an Au—Zn alloy was laminated by vapor deposition.
- the semiconductor substrate 4000 was immersed in acetone, the resist was removed, and the anode 306 was formed.
- the semiconductor substrate 4000 was annealed at 380 ° C. for 5 minutes in a nitrogen atmosphere, and the anode 306 and the cathode 305 were in ohmic contact.
- a resist was applied to the semiconductor substrate 4000, and an opening was formed on the compound semiconductor crystal 304 by lithography.
- 500 nm of Au was laminated by vapor deposition.
- the semiconductor substrate 4000 was immersed in acetone, the resist was removed, and a pad 307 as a contact electrode was formed.
- an aluminum wire 308 having a diameter of 250 ⁇ m as a support was joined in a stud shape on the pad 307 by a wire bonding method.
- a mixture of hydrogen peroxide solution and aqueous sodium hydroxide solution (10% by mass hydrogen peroxide, 0.2N aqueous sodium hydroxide solution) was heated to 70 ° C. and heated.
- the semiconductor substrate 4000 was immersed in the solution for 2 minutes.
- the Ge sacrificial layer 303 was etched, and the LED functional crystal 309 was peeled from the Si substrate 300.
- an affixed base substrate 310 which is a Si substrate, was prepared, and a photoresist mask was formed on the substrate surface by lithography.
- Au was deposited to 100 nm by EB deposition. Using acetone, the resist was removed and gold patterning was performed. The gold size was a square with a side of 300 ⁇ m. As a result, an affixed base metal 311 was formed.
- the LED functional crystal 309 was attached to the attachment base metal 311 to produce the LED device 312. Pasting was performed by van der Waals adhesion within the field of view of the optical microscope.
- the LED functional crystal 309 was handled by pinching Al studs bonded by wire bonding with tweezers. (Experimental example 2)
- An LED device 312 was fabricated in the same manner as in Experimental Example 1, except that the annealing treatment after the sacrificial layer was not formed.
- the light quantity evaluation of the manufactured LED device 312 was performed as follows.
- the optical power meter was set at a distance of 10 cm in the vertical direction from the substrate surface of the LED substrate on which the LED device 312 was mounted. Subsequently, a current of 250 mA was injected between the anode and the cathode of the LED device 312 and the amount of light was measured with an optical power meter.
- the evaluation result of the light quantity at the time of current injection of the LED device 312 of Experimental Example 1 was 9.2 ⁇ W.
- the evaluation result of the light quantity at the time of current injection of the LED device 312 of Experimental Example 2 was 4.9 ⁇ W.
- the device of Experimental Example 1 that was annealed after the Ge sacrificial layer 303 was formed was about 90% higher in light intensity than the device of Experimental Example 2 that was not annealed.
- FIG. 5A shows a method for manufacturing the semiconductor substrate 5000.
- 5B and 5C show a method for manufacturing the LED device 515 using the semiconductor substrate 5000.
- a GaAs substrate 500 having a (001) crystal plane with an off angle of 2 ° was prepared.
- a compound semiconductor crystal 503 were successively grown by MOCVD.
- the compound semiconductor crystal 503 has n-GaAs (Si; 2 ⁇ 10 19 cm 3 , 100 nm) / n-Al 0.25 Ga 0.75 As (Si; 2 ⁇ 10 18 cm 3 , 300 nm) in order from the substrate side. / N-1 0.13 Ga 0.87 As (Si; 2 ⁇ 10 17 cm 3 , 70 nm) / p-Al 0.13 Ga 0.87 As (Zn; 2 ⁇ 10 17 cm 3 , 90 nm) / p -Al 0.25 Ga 0.75 As (Zn; 2 ⁇ 10 18 cm 3 , 300 nm) / p-GaAs (Zn; 1 ⁇ 10 19 cm 3 , 30 nm).
- This stacked structure is the same structure as the compound semiconductor crystal 304 in Experimental Example 1 and Experimental Example 2.
- the inside of () represents doping material, its density
- (Si; 2 ⁇ 10 18 cm 3 , 300 nm) indicates that the layer is doped with silicon at a concentration of 2 ⁇ 10 18 cm 3 and has a thickness of 300 nm.
- a resist 505 was applied on the compound semiconductor crystal 503, and a resist opening 504 having a width of 5 ⁇ m was formed in the resist 505 by lithography so as to surround a 200 ⁇ m square.
- the substrate on which the resist opening 504 was formed was immersed in a 2% by mass aqueous hydrogen peroxide solution containing phosphoric acid (5% by mass) for 30 minutes to expose the surface of the etching stop layer 501. Thereafter, the resist 505 was dissolved with acetone.
- a cathode 506, an anode 507, and a pad 508 were formed on the exposed compound semiconductor crystal 503 in the same manner as in Experimental Example 1 to manufacture a semiconductor substrate 5000.
- an aluminum wire 509 having a diameter of 250 ⁇ m as a support was joined on the pad 508 in a stud shape by a wire bonding method.
- an opening 511 is formed by lithography so that the resist 510 covers the cathode 506, the anode 507, the pad 508, and the aluminum wire 509 and exposes the etching stop layer.
- the sacrificial layer 502 was dissolved by immersing the substrate on which the opening 511 was formed in a 10 mass% hydrofluoric acid aqueous solution for 5 minutes, and the compound semiconductor crystal 503 was peeled off. In this way, the LED functional crystal 512 was peeled from the substrate.
- the produced LED functional crystal 512 is attached to the attached base metal 514 formed on the attached base substrate 513 in the same manner as in Experimental Example 1 and Experimental Example 2, thereby producing the LED device 515.
- the amount of light was evaluated.
- the evaluation result of the light quantity at the time of current injection of the LED device 515 of Experimental Example 3 was 4.1 ⁇ W.
- the etching stop layer 501 made of InGaP and the sacrificial layer 502 made of AlAs the number of crystal defects in the compound semiconductor crystal 503 increases.
- the LED device As described above, using a low-cost Si substrate as a base substrate, a compound semiconductor crystal peeled from the base substrate could be manufactured. Furthermore, the LED device was able to be manufactured by affixing the compound semiconductor crystal on another substrate.
- the LED device obtained by the present invention showed higher light intensity than the LED device obtained by the conventional method. According to the present invention, a GaAs layer with few defects can be directly formed on a substrate whose surface is Si.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Recrystallisation Techniques (AREA)
- Led Devices (AREA)
Abstract
Description
(特許文献1)特開2004-207323号公報
(実験例1)
図4Aは、半導体基板4000を製造する工程を示す。図4Bは、半導体基板4000から得られたLED機能結晶309を製造する工程を示す。図4Cは、半導体基板4000から得られたLED機能結晶309を用いてLEDデバイス312を製造する工程を示す。
(実験例2)
図5Aは、半導体基板5000を製造する方法を示す。図5Bおよび図5Cは、半導体基板5000を用いてLEDデバイス515を製造する方法を示す。具体的には、GaAs基板500上にInGaPからなるエッチングストップ層501を成長させ、次にAlAsからなる犠牲層502を成長させ、さらに化合物半導体結晶503を成長させた半導体基板5000を用いてLEDデバイス515を製造する。
Claims (20)
- 表面がシリコン結晶であるベース基板上に、Cx1Siy1Gez1Sn1-x1-y1-z1(0≦x1<1、0≦y1≦1、0≦z1≦1、かつ0<x1+y1+z1≦1)を含む犠牲層を形成する犠牲層形成工程と、
前記犠牲層上に、前記犠牲層に格子整合または擬格子整合する化合物半導体結晶を形成する結晶形成工程と、
前記犠牲層をエッチングすることにより、前記ベース基板から前記化合物半導体結晶を剥離する結晶剥離工程と
を備える化合物半導体結晶の製造方法。 - 前記結晶剥離工程において、前記化合物半導体結晶に対して選択的に前記犠牲層をエッチングする請求項1に記載の化合物半導体結晶の製造方法。
- 前記結晶形成工程が、前記化合物半導体結晶を400℃以上600℃以下で成長させる第1成長工程と、前記第1成長工程における成長温度より高温で前記化合物半導体結晶をさらに成長させる第2成長工程とを有する
請求項1に記載の化合物半導体結晶の製造方法。 - 前記結晶形成工程において、前記ベース基板上に形成された前記犠牲層の一部を露出した状態に保ちながら、前記化合物半導体結晶を前記犠牲層上に成長させる
請求項1に記載の化合物半導体結晶の製造方法。 - 前記犠牲層形成工程の前に、
前記犠牲層および前記化合物半導体結晶の成長を阻害する阻害層を前記ベース基板上に形成する阻害層形成工程と、
前記ベース基板の一部を露出する開口を前記阻害層に形成する開口形成工程と、
をさらに備え、
前記開口内において前記犠牲層を結晶成長させる
請求項1に記載の化合物半導体結晶の製造方法。 - 前記開口形成工程が、前記阻害層をエッチングする工程を有する請求項5に記載の化合物半導体結晶の製造方法。
- 前記犠牲層形成工程において、前記犠牲層と前記阻害層との間に空隙を設ける請求項5に記載の化合物半導体結晶の製造方法。
- 前記結晶形成工程と前記結晶剥離工程との間に、前記犠牲層をアニールする工程をさらに備える
請求項1に記載の化合物半導体結晶の製造方法。 - 前記アニールする工程において、複数回のアニールをする
請求項8に記載の化合物半導体結晶の製造方法。 - 前記犠牲層形成工程と前記結晶形成工程との間に、
前記犠牲層における前記化合物半導体結晶に対向する面を、リン化合物を含む気体に接触させる工程をさらに備える
請求項1に記載の化合物半導体結晶の製造方法。 - 前記化合物半導体結晶が、III-V族化合物半導体結晶またはII-VI族化合物半導体結晶である
請求項1に記載の化合物半導体結晶の製造方法。 - 前記III-V族化合物半導体結晶は、III族元素としてAl、Ga、Inのうち少なくとも1つを含み、V族元素としてN、P、As、Sbのうち少なくとも1つを含む
請求項11に記載の化合物半導体結晶の製造方法。 - 前記阻害層は、酸化シリコン層、窒化シリコン層、酸窒化シリコン層もしくは酸化アルミニウム層またはこれらの層の2つ以上が積層された層である
請求項5に記載の化合物半導体結晶の製造方法。 - 前記結晶形成工程と前記結晶剥離工程との間に、前記化合物半導体結晶を支持体により保持する工程をさらに備える請求項1に記載の化合物半導体結晶の製造方法。
- 請求項1に記載の化合物半導体結晶の製造方法で得られた前記化合物半導体結晶に電極および配線を設けた機能結晶を形成する工程を備える電子デバイスの製造方法。
- 前記ベース基板と異なる貼り付けベース基板を準備する工程と、
前記貼り付けベース基板に、前記機能結晶を貼り付ける工程と
をさらに備える請求項15に記載の電子デバイスの製造方法。 - 前記貼り付けベース基板に、複数の前記機能結晶を貼り付ける工程を備える請求項16に記載の電子デバイスの製造方法。
- 表面がシリコン結晶であるベース基板と、
結晶成長を阻害し、前記ベース基板上に設けられ、かつ、前記ベース基板の一部を露出する開口を有する阻害層と、
前記開口内で前記ベース基板上に設けられ、Cx1Siy1Gez1Sn1-x1-y1-z1(0≦x1<1、0≦y1≦1、0≦z1≦1、かつ0<x1+y1+z1≦1)を含む犠牲層と、
前記犠牲層上に設けられ、前記犠牲層に格子整合または擬格子整合する化合物半導体を含む化合物半導体結晶と
を備え、
前記犠牲層と前記阻害層との間に空隙を有する半導体基板。 - 前記ベース基板および前記犠牲層の積層方向に対する、前記阻害層が前記開口に面する側壁の傾斜方向が、0.5°以上である請求項18に記載の半導体基板。
- 前記化合物半導体結晶が、GaAs、AlGaAs、GaN、またはAlGaNであり、かつ、前記犠牲層がGeまたはSiGeである請求項18に記載の半導体基板。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010800408684A CN102498241A (zh) | 2009-09-17 | 2010-09-16 | 化合物半导体结晶的制造方法、电子器件的制造方法和半导体基板 |
US13/421,439 US9214342B2 (en) | 2009-09-17 | 2012-03-15 | Method for producing compound semiconductor crystal, method for producing electronic device, and semiconductor wafer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009-215520 | 2009-09-17 | ||
JP2009215520 | 2009-09-17 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/421,439 Continuation-In-Part US9214342B2 (en) | 2009-09-17 | 2012-03-15 | Method for producing compound semiconductor crystal, method for producing electronic device, and semiconductor wafer |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2011033776A1 true WO2011033776A1 (ja) | 2011-03-24 |
Family
ID=43758390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2010/005648 WO2011033776A1 (ja) | 2009-09-17 | 2010-09-16 | 化合物半導体結晶の製造方法、電子デバイスの製造方法、および半導体基板 |
Country Status (6)
Country | Link |
---|---|
US (1) | US9214342B2 (ja) |
JP (1) | JP2011086928A (ja) |
KR (1) | KR20120083307A (ja) |
CN (1) | CN102498241A (ja) |
TW (1) | TWI520175B (ja) |
WO (1) | WO2011033776A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013042381A1 (ja) * | 2011-09-22 | 2013-03-28 | 住友化学株式会社 | 複合基板の製造方法および複合基板 |
JP2013197310A (ja) * | 2012-03-19 | 2013-09-30 | Toshiba Corp | 発光装置 |
JP5985322B2 (ja) | 2012-03-23 | 2016-09-06 | 株式会社東芝 | 半導体発光装置及びその製造方法 |
JPWO2013187076A1 (ja) * | 2012-06-15 | 2016-02-04 | 住友化学株式会社 | 半導体基板、半導体基板の製造方法および複合基板の製造方法 |
WO2013187078A1 (ja) * | 2012-06-15 | 2013-12-19 | 住友化学株式会社 | 半導体基板、半導体基板の製造方法および複合基板の製造方法 |
KR20150038217A (ko) * | 2012-07-24 | 2015-04-08 | 스미또모 가가꾸 가부시키가이샤 | 반도체 기판, 반도체 기판의 제조 방법 및 복합 기판의 제조 방법 |
US9590157B2 (en) * | 2015-06-04 | 2017-03-07 | The Silanna Group Pty Ltd | Efficient dual metal contact formation for a semiconductor device |
TWI611604B (zh) * | 2017-01-03 | 2018-01-11 | 穩懋半導體股份有限公司 | 體聲波濾波器及調諧體聲波濾波器之體聲波共振器之方法 |
CN106925955A (zh) * | 2017-02-22 | 2017-07-07 | 成都青石激光科技有限公司 | 球形材料准晶格分布在基体材料中的加工方法 |
DE102017125217A1 (de) * | 2017-10-27 | 2019-05-02 | Osram Opto Semiconductors Gmbh | Verfahren zur Herstellung von zumindest einem optoelektronischen Bauelement und optoelektronisches Bauelement |
CN109860340B (zh) * | 2018-10-29 | 2020-07-07 | 华灿光电(浙江)有限公司 | 一种发光二极管外延片的生长方法 |
CN111430221B (zh) * | 2020-04-02 | 2022-08-05 | 中国科学院半导体研究所 | 锡自催化生长的锗锡合金硅基材料及定向异质外延方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51123591A (en) * | 1975-04-09 | 1976-10-28 | Milnes Arthur | Method of producing solar battery semiconductor |
JPS61135115A (ja) * | 1984-12-04 | 1986-06-23 | アメリカ合衆国 | 半導体基板上にエピタキシヤル膜成長を選択的にパターン化する方法 |
JP2006237339A (ja) * | 2005-02-25 | 2006-09-07 | Sanyo Electric Co Ltd | 窒化物系半導体素子の作製方法 |
WO2009084238A1 (ja) * | 2007-12-28 | 2009-07-09 | Sumitomo Chemical Company, Limited | 半導体基板、半導体基板の製造方法および電子デバイス |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4819040A (en) * | 1986-05-02 | 1989-04-04 | Motorola, Inc. | Epitaxial CMOS by oxygen implantation |
JP3352712B2 (ja) * | 1991-12-18 | 2002-12-03 | 浩 天野 | 窒化ガリウム系半導体素子及びその製造方法 |
JP4352473B2 (ja) * | 1998-06-26 | 2009-10-28 | ソニー株式会社 | 半導体装置の製造方法 |
JP4179866B2 (ja) | 2002-12-24 | 2008-11-12 | 株式会社沖データ | 半導体複合装置及びledヘッド |
US7160819B2 (en) * | 2005-04-25 | 2007-01-09 | Sharp Laboratories Of America, Inc. | Method to perform selective atomic layer deposition of zinc oxide |
-
2010
- 2010-09-15 JP JP2010207222A patent/JP2011086928A/ja active Pending
- 2010-09-16 CN CN2010800408684A patent/CN102498241A/zh active Pending
- 2010-09-16 WO PCT/JP2010/005648 patent/WO2011033776A1/ja active Application Filing
- 2010-09-16 KR KR1020127005911A patent/KR20120083307A/ko not_active Application Discontinuation
- 2010-09-17 TW TW099131584A patent/TWI520175B/zh not_active IP Right Cessation
-
2012
- 2012-03-15 US US13/421,439 patent/US9214342B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51123591A (en) * | 1975-04-09 | 1976-10-28 | Milnes Arthur | Method of producing solar battery semiconductor |
JPS61135115A (ja) * | 1984-12-04 | 1986-06-23 | アメリカ合衆国 | 半導体基板上にエピタキシヤル膜成長を選択的にパターン化する方法 |
JP2006237339A (ja) * | 2005-02-25 | 2006-09-07 | Sanyo Electric Co Ltd | 窒化物系半導体素子の作製方法 |
WO2009084238A1 (ja) * | 2007-12-28 | 2009-07-09 | Sumitomo Chemical Company, Limited | 半導体基板、半導体基板の製造方法および電子デバイス |
Also Published As
Publication number | Publication date |
---|---|
TW201133556A (en) | 2011-10-01 |
KR20120083307A (ko) | 2012-07-25 |
US20120228627A1 (en) | 2012-09-13 |
CN102498241A (zh) | 2012-06-13 |
JP2011086928A (ja) | 2011-04-28 |
TWI520175B (zh) | 2016-02-01 |
US9214342B2 (en) | 2015-12-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2011033776A1 (ja) | 化合物半導体結晶の製造方法、電子デバイスの製造方法、および半導体基板 | |
TWI240434B (en) | Method to produce semiconductor-chips | |
JP5117588B2 (ja) | 窒化物半導体結晶層の製造方法 | |
WO2013035325A1 (ja) | 窒化物半導体構造及びその作製方法 | |
JP2010056458A (ja) | 発光素子の製造方法 | |
WO2012137781A1 (ja) | 半導体積層体及びその製造方法、並びに半導体素子 | |
US11450737B2 (en) | Nanorod production method and nanorod produced thereby | |
US20110140081A1 (en) | Method for fabricating semiconductor light-emitting device with double-sided passivation | |
EP2360746A1 (en) | Method for manufacturing gallium oxide substrate, light emitting device, and method for manufacturing the light emitting device | |
US8372727B2 (en) | Method for fabricating light emitting device | |
JP3207918B2 (ja) | Iii−v族化合物の多結晶半導体材料を用いた発光素子およびその製造方法 | |
KR100786797B1 (ko) | 실리콘 기판 3족 질화물계 적층구조를 가지는 발광다이오드및 그 제작방법 | |
US20160133792A1 (en) | Semiconductor substrate and method of fabricating the same | |
JP3705637B2 (ja) | 3族窒化物半導体発光素子及びその製造方法 | |
JP2001313421A (ja) | 半導体発光素子及びその製造方法 | |
CN116825916A (zh) | Led结构及led结构的制备方法 | |
JPWO2013187078A1 (ja) | 半導体基板、半導体基板の製造方法および複合基板の製造方法 | |
KR100638351B1 (ko) | 반도체 기판 및 그 제조방법 | |
WO2016002801A1 (ja) | 半導体積層構造体及び半導体素子 | |
WO2012137783A1 (ja) | 半導体積層体及びその製造方法、並びに半導体素子 | |
US12107187B2 (en) | Semiconductor structures and manufacturing methods thereof | |
US20240313151A1 (en) | Semiconductor device manufacturing method and manufacturing apparatus, semiconductor device and electronic device | |
JP4041906B2 (ja) | 半導体発光素子 | |
KR100813561B1 (ko) | 반도체 기판 및 그 제조방법 | |
US20230022774A1 (en) | Manufacturing method for semiconductor element, and semiconductor device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201080040868.4 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 10816890 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 20127005911 Country of ref document: KR Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 10816890 Country of ref document: EP Kind code of ref document: A1 |