TW463246B - Production methods of compound semiconductor single crystal and compound semiconductor divice - Google Patents
Production methods of compound semiconductor single crystal and compound semiconductor divice Download PDFInfo
- Publication number
- TW463246B TW463246B TW089107912A TW89107912A TW463246B TW 463246 B TW463246 B TW 463246B TW 089107912 A TW089107912 A TW 089107912A TW 89107912 A TW89107912 A TW 89107912A TW 463246 B TW463246 B TW 463246B
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- TW
- Taiwan
- Prior art keywords
- compound semiconductor
- single crystal
- group
- semiconductor single
- layer
- Prior art date
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- 150000001875 compounds Chemical class 0.000 title claims abstract description 92
- 239000004065 semiconductor Substances 0.000 title claims abstract description 91
- 239000013078 crystal Substances 0.000 title claims abstract description 90
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 claims abstract description 57
- 230000008569 process Effects 0.000 claims abstract description 34
- 239000000203 mixture Substances 0.000 claims abstract description 23
- 229910021478 group 5 element Inorganic materials 0.000 claims abstract description 10
- 229910021476 group 6 element Inorganic materials 0.000 claims abstract description 9
- 239000000126 substance Substances 0.000 claims abstract description 9
- 238000005530 etching Methods 0.000 claims description 25
- 230000004075 alteration Effects 0.000 claims description 15
- 230000001678 irradiating effect Effects 0.000 claims description 10
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000002079 cooperative effect Effects 0.000 claims description 5
- 238000010894 electron beam technology Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 claims 1
- 238000000059 patterning Methods 0.000 abstract 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 20
- 229920002120 photoresistant polymer Polymers 0.000 description 11
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 238000009792 diffusion process Methods 0.000 description 9
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 229910000980 Aluminium gallium arsenide Inorganic materials 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 6
- 239000002184 metal Substances 0.000 description 6
- 238000000206 photolithography Methods 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 description 3
- 238000005253 cladding Methods 0.000 description 3
- 229910052733 gallium Inorganic materials 0.000 description 3
- 150000004767 nitrides Chemical class 0.000 description 3
- 235000015170 shellfish Nutrition 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910000673 Indium arsenide Inorganic materials 0.000 description 2
- 108010083687 Ion Pumps Proteins 0.000 description 2
- 229910052778 Plutonium Inorganic materials 0.000 description 2
- 229910052786 argon Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- RPQDHPTXJYYUPQ-UHFFFAOYSA-N indium arsenide Chemical compound [In]#[As] RPQDHPTXJYYUPQ-UHFFFAOYSA-N 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- OYEHPCDNVJXUIW-UHFFFAOYSA-N plutonium atom Chemical compound [Pu] OYEHPCDNVJXUIW-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910002704 AlGaN Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 208000037170 Delayed Emergence from Anesthesia Diseases 0.000 description 1
- 229910000530 Gallium indium arsenide Inorganic materials 0.000 description 1
- 241001180649 Myrcia group Species 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 229910007709 ZnTe Inorganic materials 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- FFBHFFJDDLITSX-UHFFFAOYSA-N benzyl N-[2-hydroxy-4-(3-oxomorpholin-4-yl)phenyl]carbamate Chemical compound OC1=C(NC(=O)OCC2=CC=CC=C2)C=CC(=C1)N1CCOCC1=O FFBHFFJDDLITSX-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- UHYPYGJEEGLRJD-UHFFFAOYSA-N cadmium(2+);selenium(2-) Chemical compound [Se-2].[Cd+2] UHYPYGJEEGLRJD-UHFFFAOYSA-N 0.000 description 1
- 238000003486 chemical etching Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000001312 dry etching Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 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
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910052762 osmium Inorganic materials 0.000 description 1
- SYQBFIAQOQZEGI-UHFFFAOYSA-N osmium atom Chemical compound [Os] SYQBFIAQOQZEGI-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 229910052704 radon Inorganic materials 0.000 description 1
- SYUHGPGVQRZVTB-UHFFFAOYSA-N radon atom Chemical compound [Rn] SYUHGPGVQRZVTB-UHFFFAOYSA-N 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 239000012487 rinsing solution Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- SBIBMFFZSBJNJF-UHFFFAOYSA-N selenium;zinc Chemical compound [Se]=[Zn] SBIBMFFZSBJNJF-UHFFFAOYSA-N 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052714 tellurium Inorganic materials 0.000 description 1
- PORWMNRCUJJQNO-UHFFFAOYSA-N tellurium atom Chemical compound [Te] PORWMNRCUJJQNO-UHFFFAOYSA-N 0.000 description 1
- 230000009974 thixotropic effect Effects 0.000 description 1
- 229940098465 tincture Drugs 0.000 description 1
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 1
Classifications
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- 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
-
- 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
- H01L21/20—Deposition of semiconductor materials on a substrate, e.g. epitaxial growth solid phase epitaxy
-
- 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
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
-
- 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
- C30B29/403—AIII-nitrides
- C30B29/406—Gallium nitride
-
- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/308—Chemical or electrical treatment, e.g. electrolytic etching using masks
- H01L21/3083—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane
- H01L21/3086—Chemical or electrical treatment, e.g. electrolytic etching using masks characterised by their size, orientation, disposition, behaviour, shape, in horizontal or vertical plane characterised by the process involved to create the mask, e.g. lift-off masks, sidewalls, or to modify the mask, e.g. pre-treatment, post-treatment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—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
- H01L21/34—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 not provided for in groups H01L21/0405, H01L21/0445, H01L21/06, H01L21/16 and H01L21/18 with or without impurities, e.g. doping materials
- H01L21/46—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428
- H01L21/461—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/428 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/465—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/467—Chemical or electrical treatment, e.g. electrolytic etching using masks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/544—Marks applied to semiconductor devices or parts, e.g. registration marks, alignment structures, wafer maps
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/5442—Marks applied to semiconductor devices or parts comprising non digital, non alphanumeric information, e.g. symbols
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2223/00—Details relating to semiconductor or other solid state devices covered by the group H01L23/00
- H01L2223/544—Marks applied to semiconductor devices or parts
- H01L2223/54453—Marks applied to semiconductor devices or parts for use prior to dicing
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/903—Dendrite or web or cage technique
- Y10S117/904—Laser beam
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10S117/905—Electron beam
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- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Lasers (AREA)
- Recrystallisation Techniques (AREA)
- Weting (AREA)
- Drying Of Semiconductors (AREA)
Description
46324 6 A7 B7 五、發明說明彳) 〔技術領域〕 本發明係有關於一種化合物半導體單結晶及化合物半 導體元件之製造方_法,更詳細而言,是有關一種不塗光阻 劑卻能對化合物半導體單結晶的表面,有效的形成圖型之 化合物半導體元件之製造方法。 •〔背景技術〕 近年來活用具有化合物半導體之各種特性,而硏究開 發出受光元件、高頻元件、電源元件等多數元件。在製造 該些化合物半導體元件之際,例如爲了形成電極和形積體 電路,一般是採用利用重複塗佈和曝光光阻劑之光刻法., 對化合物半導體單結晶的表面,形成所定圖型之方法。 但就此方法來看,如第6圖之習知工程所示,對堆疊 氧化膜(S i 〇2)或氮化膜(S i Νχ)的化合物半導體 單結晶4的表面,用高速邊旋轉該單結晶4邊塗佈光阻膜 2後〔工程1 ,第6圖(Α)〕,予以加熱,並自光阻膜 2驅出溶媒和水份之預先烘烤處理(工程2)例如照射紫 外線藉此將形烘烤在光阻膜2之曝光〔工程3,第6圖( Β)〕,在光阻膜2形成圖形6之顯影以及漂洗[工程4 ,第6圖(C)〕,自光阻膜2去除顯影液及漂洗液之事 後烘烤處理(工程5 )的各工程之後,必須有所謂利用化 學蝕刻將開口圖形6部分的氧化膜或是氮化膜加以蝕刻去 除(工程6 )之工程。 此種利用重複塗佈和曝光光阻劑的光刻法形成圖型6 本紙張尺度適用中困S家標準(CNS〉A4規格(210 X 297公釐)· 4 - (猜先閲讀背面之注意事項再填寫本頁) -I 裝·!--!| 訂 *--- -----線 經濟部智慧財產局具工消费合作社印製 463246 經濟部暫慧財產局貝工消费合作社印製 A7 B7 五、發明說明$ ) 的過程,需要許多工程, 且因針對其中一道工程就要花費相應的成本,所以愈 維持此種方法對降_低成本就愈有限。 且亦無法忽視對結晶表面堆疊氧化膜或氮化膜,引起 結晶損傷的影響,而致使元件動作恐遭受不良影響之虞。 爲解決此損傷問題I近年提案實踐一種將易被 •A 1 GaAs等氧化的化合物半導體之自然氧化膜,應用 做掩模材料的方法。但因連此方法中也因採用上述之光刻 法,還是須要許多的工程,那麼多的工程數很難減少。 本發明係爲有鑑於上述問題點之發明,其目的在於提 供一不塗光阻劑卻能形成預定圖型之化合物半導體單結,晶 及化合物半導體元件之製造方法。 〔發明之揭示〕 爲解決上述課題,本發明之化合物半導體單結晶,其 特徵爲:構成I I I - V族化合物半導體單結晶之V族元 素成份’或者是構成I I - V I族化合物半導體單結晶之 VI族元素成份,爲較前述化合物半導體化學式所示的組成 比少的範圍。 又,本發明化合物半導體元件之製造方法,其特徵爲 具有:使得構成I I I-V族化合物半導體單結晶之V族 元素成份,或者是構成I I - V I族化合物半導體單結晶 之V 1族元素成份,少於前述化合物半導體化學式所示的 組成比,藉以令前述化合物半導體單結晶蝕變爲圖型狀之 本紙張尺度適用中圉國家標準(CNS)A4規格<210 * 297公爱)-5- I I — I-------- i I — I I I I ^ ·111111 I 1^ (請先W讀背面之注意事項再填寫本頁) A7 46 32 4 6 ___B7___ 五、發明說明§ ) 蝕變工程、和選擇性地對前述化合物半導體單結晶進行蝕 刻之蝕刻工程。 利用對前述也合物半導體單結晶的表面施加能量予以 加熱來進行前述蝕變工程。又•利用對前述化合物半導體 單結晶的表面照射雷射光或電子束來進行前述蝕變工程。 又於前述蝕刻工程中,利用以前述蝕變工程工蝕變的化合 _物半導體單結晶之表面做爲保護膜爲佳。 又,本發明之化合物半導體元件之製造方法,其特徵 爲具有:形成構成I I I-V族化合物半導體單結晶層, 或者是構成II-VI族化合物半導體單結晶層之生長工 程、和對前述化合物半導體單結晶層的表面,照射雷射光 並使該化合物半導體單結晶層的表面蝕變之蝕變工程、和 利用選擇性地對具有該蝕變工程所蝕變的範圍之化合物半 導體單結晶層進行蝕刻,形成保護膜之蝕刻工程。 前述雷射光係以具有比照射該雷射光的化合物半導體 單結晶層的禁帶寬更大之能量爲佳。 〔用以實施本發明之最佳形態〕 以下試舉本發明之實施形態,但以下之說明係舉例示 之,當然並不限於此。 如第1圖之本發明的槪略工程圖所示,利用對I I I 一 V族或I I —VI族之化合物半導體單結晶4 (以下簡 稱爲單結晶4)的表面4a,例如照射雷射光〔第1圖( A)及第1圖(B)〕和吸收被加熱的雷射光之能量來加 本紙張尺度適用t國國家標準<CNS)A4規格(210 X 297公爱)-6- ! 裝!1—訂·! I-線 (請先閲讀背面之注f項再填寫本頁> 經濟部智慧財產局貝工消费合作社印製 4 6324 6 A7 __B7___ 五、發明說明$ ) 熱單結晶4 > <請先閱讀背面之注意事項再填窝本頁) 但是,雷射光的能量等於照射該雷射光的單結晶4之 禁帶寬時*引起場致發光(photoluminesecence)現象來消 耗能量。又,雷射光的能量小於單結晶4的禁帶寬時,單 結晶4無法吸收能量會被穿透。因此,照射在單結晶4的 雷射光之能量,以大於單結晶4的禁帶寬爲佳。 若一邊適當地控制照射輸出一邊對III-V族或 I I - V I族之化合物半導體單結晶4照射雷射光時,因 蒸氣壓高的V族元素成份或VI族元素成份一部分會成爲 氣體,而自單結晶4蒸發,所以就照射雷射光的範圍而言 ’構成單結晶4的化合物之V族元素成份或VI族元素成,份 少於該化合物之化學式所示的組成比。 因I I I - V之化合物半導體單結晶4例如爲燐化鎵 時’若對該燐化鎵照射雷射光,蒸氣壓高的燐會蒸發掉, 所以就照射雷射光的範圍而言,相對於鎵的燐之組成比乃 少於化學式G a P所示之1 : 1的組成比。 經濟部智慧財產局貝工消费合作社印製 其結果*前述單結晶4的表面4 a會蝕變成I I I族 元素成份或I I族元素成份略多的結晶6 a。由於此結晶 6 a具有較單結晶4更接近Ga、I η、A 1等m族金靥 或Ζ η、C d等E族金屬,所以能量速度不同於單結晶4 。通常因結晶6更接近金屬,所以能量速度小於單結晶4 〇 於是,使用合適的蝕刻液,以化學蝕刻單結晶4時, 不能更進一步的蝕刻被覆在因蝕變而成爲接近金屬性質的 本紙張尺度適用中困g家標準(CNS>A4規格(210 X 297公着) 經濟部管慧財產局異工消f合作社印製 46324 6 A? _ B7 五、發明說明§ ) 結晶6 a之被保護的部份,另一方可選擇性的蝕刻未蝕變 的單結晶4所組成的圖型部分6,所以可在單結晶4上形 成圖型6〔第1圖’(C)〕。 結晶6 a蝕變爲更接近金靥的性質,則是藉由v族或 VI族的元素成份少於該化學式所示的組成比約5%以上而 達成的。又此種減少組成比的層約爲0 . 05#m',理想 爲0 . 1 # m以上,即具有做爲蝕刻工程的保護膜之功能 〇 因很難蝕此蝕變而更接近金屬性質的結晶6 a,所以 可在後序工程的蝕刻中成爲保護膜的功能。 作爲適用於可令前述單結晶4的表面4 a蝕變成m.族 元素成份或Π族元素成份略多的結晶6 a的雷射,係試舉 有須使Ar雷射、He - Cd雷射、準分子雷射等V族元 素成份或VI族元素成份蒸發之輸出的雷射。 實際所用的雷射則爲具大於照射對象爲化合物半導體 單結晶之禁帶寬的能量之雷射。但就G a N,A 1 N、 AlGaN' InAIN' InGaN'AlGalnN 而言,則須用波長325nm的He_Cd雷射。 ‘ 上述雷射光的輸出在照射對象爲化合物半導體單結晶 的表面上,則適合1 kw/c m2以下。雷射光的輸出高於 5 kw/cm2時,例如不光是構成m - V族化合物半導體 單結晶的V族元素成份,就連瓜族元素成份也會蒸發,所 以結晶會被完全破壞,會開孔》雷射光的輸出小於1 k w / c m2時’因V族元素成份或Vi族元素成份蒸發不夠,所 本紙張尺度適用中國國家標準(CNS>A4規格(210 X 297公« ) -8- I —lulls —— — — — — — ^* — 1 —tnll^_ (請先《讀背面之注意事項再填寫本頁) A7
463246 經濟部智慧財產局貝工消费合作社印製 五、發明說明@ ) 以化合物半導體單結晶無法充分触變。此例可在大氣中使 用雷射。 利用照射雷射光而蝕變的Π — V族化合物半導體如下 舉例之。共通於該些m — ν族化合物半導體的特徵乃爲包 含以具有高蒸氣壓的硼或燐或氮作爲v族元素成份。
GaAs、AlAs,InAs、AlGaAs ' 'AI InAs ' InGaAs 、GaP、InP、 AlGaP、I n G a P ' A 1 I η P ' A 1 G a I η P 'GaAsP' InAsP'AlGaAsP' InGaAsP、Al InAsP、GaN、AlN、 A 1 G a N ' A 1 InN、InGaN'AlGa In.N 'GaAsN'AlAs. Ν' InAsN、 AlGaAsN、InGaAsN、InAlAsN。 以下同樣試舉可利用雷射光之照射而蝕變的I I — VI族化合物半導體。
ZnS'ZnSe、ZnTe、CdS、CdSe, C d T e。 該些I I - V I族化合物半導體因包括以蒸氣壓高的 硫磺或硒之碲爲V I族元素成份,所以可藉由進行雷射照 射使一部份的VI族元素成份蒸發,而蝕變成I I族元素 成份稍多的結晶= ’就本發明之實施形態而言,是針對照射雷射光的場合 所做的說明,但電子束也可藉由調整其輸出,而同樣可以 使用。 本紙張尺度適用中國國家標準(CNS>A4规格<210 X 297公釐)-9- — II --< - I I — I I I I ^ -----I--I ^ (請先《讀背面之注意Ϋ項再填窝本頁> 4 6 324 6 A7 ____ B7 五、發明說明f ) 組成蝕變爲更接近金屬性質的層,可根據以下在生長 化合物半導體層的氣氛進行熱處理,再度成爲化合物半導 體層而活用電氣性‘之用途,並利用乾式蝕刻等去除組成蝕 變的層,藉此也可將除此以外未蝕變的組成活用於電氣性 之用途。 由於在電流擴散層內設有表面形成組成蝕變成更接近 '金屬性質的層的電流區塊範圍之發光元件,不用光刻法就 能加以製造,所以成本低。而能夠利用雷射之更便宜、簡 單的裝置來繪製圖型。進而•本發明不光是化合物半導體 層本身,就連A 1 GaAs氧化膜層也適用。 以下試舉本發明之實施形態做更具體的說明,但本.發 明並不限於該等,在未脫離本發明之技術思想範圍當然可 做種種的變更。 (實施例1 ) 於實施之際,係採用第2圖槪念性所示的雷射光照射 裝置1 2。此雷射光照射裝置1 2係具備有:A r雷射振 盪器1 4、反射鏡1 6、聚光鏡1 8以及可水平方向操作 之X — Y工作台19。 試料2 0乃如第3圖(a )所示’可利用在G a A s 單結晶基板2 2上依序堆叠G a A s緩衝層2 4、 ΑΓΙηΡ層26 (厚度約1.0只m左右))、AlAs 混晶率0.8的AlGaAs層28 (厚度約5_0/z.m)的 化合物半導體單結晶。A 1 G a A s層2 8的間接遷移形 本紙張尺度適用t國國家標準<CNS)A4規格(210 X 297公« ) - 10- <請先閱讀背面之注意事項再填寫本頁> · 11! I 訂,11 ί 111 - 經濟部智慧財產局貝工消費合作社印製 463246 A7 B7 五、發明說明§ ) 禁制帶寬,其AlAs混晶率爲〇.8時,約爲 2 0 eV。將此試料20載置在X - Y工作站1 9上後 ,將具有能量之波'長爲5 1 4 . 5 nm的氬雷射光1 4 a ,一邊一定的維持雷射的输出一邊以聚光鏡1 8聚光,並 針對A 1 G a A s層2 8表面的各面做數秒的照射〔第3 圖(b )〕.。 於是,被雷射照到的範圍之構成A 1 GaAs層28 的砒會變成氣體而蒸發|故可在試料2 0的A 1 G a A s 層2 8形成A s組成比較A 1 G a A s所示之組成比少的 範圍2 8 a » 再者,照過雷射後的A 1 G a A s層2 8表面的組减 變成(A 1 G a ) 〇.52sA s〇.475。又,輸出 5 kW/ c m2的雷射時,推定照射過雷射後的A 1 G a A s層2 8 ,其組成會從表面到深度約3 開始蝕變。 接著,硫酸:可用過氧化氫的混合蝕刻液,來蝕刻照 射過雷射的試料2 0。因照射過雷射光1 4 a,會令試料 20表面的AIGaAs層28蝕變成更具金屬性,故前 述硫酸:以過氧化氫之混合蝕刻液來蝕刻試料2 0之際, 會殘留照射雷射的AIGaAs部分28a ,只選擇蝕刻 照射雷射的AlGaAs部分28〔第3圖(c) 〕》 又,前述硫酸:因過氧化氫之混合蝕刻液,相對於 Α ΓGaAs層28的蝕刻速度大,而相對A1 I nP層 26的蝕刻小,故實際上只鼪刻AlGaAs層28。於 是,例如在AlGaAs層28的下側設有A1 I nP層 本紙張尺度適用中0國家標準<CNS>A4規格(210 * 297公釐)-11 - <請先閱讀背面之注意事項再填寫本頁) · — I — I ! I 訂.1111 經濟部智慧財產局貝工消费合作社印製 4 6324 6 A7 B7 經濟部智慧財產局負工消费合作社印製 五、發明說明e ) 26,就能用此A1 I nP層26來停止蝕刻β 如此一來,不必塗佈光阻劑’就能形成如第3圖(c )所示的圖形,不必過多的工程就能製造化合物半導體元 件。 (實施例2 ) 此實施例乃採用第4圖槪略性所示的雷射光照射裝置 3 0。該雷射光照射裝置3 0是由可微動的X - Υ工作站 3 2、試料固定夾3 4 '雷射振盪器3 6 '聚光鏡3 8、 X — Υ工作站控制用電腦4 0、雷射光點徑聚光鏡4 2、 真空室44、離子幫浦46、渦輪式分子幫浦48、旋-轉 式幫浦5 0、反射鏡5 2構成的。5 4係被配置在上述X - Υ工作站3 2上的化合物半導體材料。 前述X — Υ工作站3 2是用1 的刻度來移動站。 又,利用具有2 . 4eV能量之波長514 _ 5nm的氬 雷射作爲雷射光。 聚光鏡3 8可用1倍至1 0 0倍倍率者。X — Y工作 站控制用電腦4 0,可程式繪製圖形。用可聚光約1 0 至ΙΟΟμιη#作爲聚光鏡42。具備真空室44即 能用低照射的雷射輸出來實施。此真空室4 4乃對應需求 而設,但也可不設置。 於第5圖中,爲製造發光元件,被施以一連串工程的 化合物半導體材料54,如以下所製成。先於(1 1 1) A面方向,於5度至1 5度傾斜的面方位(◦ 0 1 )的 本紙張尺度適用申國國家標準(CNS>A4規格(210 X 297公釐)-12 - ί f ---—I— I I------^ - » <锖先《讀背面之注意事項再填寫本頁> 463246 A7 B7 經濟部智慧財產局貝工消费合作社印製 五、發明說明(!〇 )
GaA s基板6 0上,以1 生長η型GaA s緩衝層 6 2。接著爲形成雙顯像構造層6 3,故依序生長厚度 l//m的η型Α Γΐ nP包覆層64、厚度0,6vm的 無摻雜之A1 InP活性層66,厚度lym的p型 AllnP包覆層68。 更爲了形成方塊區70a,故生長由厚度0 . lym •的η型GaAs層72、厚度1 . 5em的η型 A1 I ηΡ層74、厚度〇 . 1仁m的η型GaAs層 7 6製成的方塊層7 0。 方塊區7 0 a乃被形成在n型,與第5圖(ί )所示 之Ρ型電流擴散層7 8相反的導電型,而於該電流擴散、層 7 8中,部分性的阻止流經流向發光範圍的雙顯像構造層 6 3的電流|且令電流集中在未形成方塊區7 0 a的範圍 *藉此提高發光效率。例如藉由形成方塊區70a ,只要 電流擴散層7 8中,流經電流的斷面積爲1/5,流經相 當於單位斷面積的電流爲5倍,因此發光效率爲5倍·> 針對按此準備形成第5圖(a )所示的化合物半導體 單結晶5 4的圖形,乃如下所示》 先從η型G a A s層7 6的表面,於大氣中將直徑 1 0 // m 0光點的雷射光,在GaAs層76的表面上 ,以輸出5 kW/ c m2做矩形狀之平均5秒的照射。於是 ,巨厚度0.1#111的11型〇3厶5層7 6開始將一部分 高蒸氣壓的砒成爲氣體予以蒸發,形成蝕變一部分. GaAs層76的方塊區70a 〔第5圖(b)〕。 本纸張尺度適用+國0家標準(CNS)A4規格(210 X 297公釐)-13, I I ---ml - I I I — I I — ^ * — — — — — — - · ΐ請先閱讀背面之注意事項再填寫本頁) A7 4 6324 6 __B7 _ 五、發明說明彳1 > 接著,利用由重量比爲97.2%的硫酸:0 . 5%的 過氣化氫:2.3%的純水所組成的混合蝕刻液,以50 V 3分鐘進行選'擇性蝕刻GaAs層76,去除方塊區 70a蝕變部分以外的GaAs層76〔第5圖(c)〕 «此選擇性蝕刻所殘留的方塊區7 0 a,乃於之後的蝕刻 工程中,具保護膜之功能。 其次,利用由重量比爲30 . 8%的氯:69 . 2% 的純水所組成的混合蝕刻液,以2 2 °C 1分鐘進行 A1InP層74的蝕刻,去除以方塊區70a被覆部分 以外的AllnP層74〔第5圖(d)〕- 更利用由重量比爲9’ 7 . 2%的硫酸:0 . 5%的過 氧化氫:2 . 3 %的純水所組成的混合蝕刻液,以5 0 °C 進行G a A s層7 2的蝕刻,去除以方塊區7 0 a被覆部 分以外的GaAs層72〔第5圖(e)〕。 並在η型的方塊區7 0 a上,生長1 的p型
AlGaAs層作爲電流擴散層78〔第5圖(f)〕。 最後在G a A s基板6 0的表面形成η型電極,且於 電流擴散層8的表面形成ρ型電極,藉此即可在電流擴散 層7 8內製造具有方塊區7 0 a的化合物半導體發光元件 〇 〔產業上之可利用性〕 如上所述,爲了形成圖案,習知使用須要許多工程的 光刻法是不可或缺的I但按本發明,只要在形成圖形的化 I--- ----- 裝 _ ! ! t ·11!1· A • . (婧先W讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消费合作社印製 本紙張尺度適用t國國家標準(CNS)A4規格(210x297公* ) - 14 - 4 6 324 6 A7 B7 五、發明說明d2 ) <靖先閱讀背面之沒意事項再填寫本頁> 合物半導體單結晶,形成構成該單結晶的V族元素成份或 是V I族元素成份,少於前述單結晶之化學式所示的組成 比之範圍,藉此不’必塗佈光阻劑就能形成圖形,且可藉由 工程數大幅減少的簡單工程來製造利用化合物半導體單結 晶所形成的受光元件、發光元件'高頻元件、功率元件等 種種元件。 '〔圖面之簡單說明〕 第1圖係表示針對本發明之化合物半導體單結晶之圖 型形成工程之槪略說明圖,(A )( B )係表示雷射照射 工程,及(C)爲蝕刻工程。 第2圖係實施例1所使用之雷射光照射裝置之槪略.說 明圖。 第3圖係分別爲實施例1中之圖型形成方法之工程圖 ,(a)係化合物半導體試料,(b)係對該試料照射雷 射光之狀態,以及(c )係進行蝕刻後之試料。 第4圖係實施例2所使用之雷射光照射裝置之槪略說 明圖β 經濟部智慧財產局員工消费合作社印製 第5圖係分別表示實施例2中之化合物半導體發光元 件之製造方法的工程圖,(a)係化合物半導體單結晶, (b )係對該單結晶照射雷射光之狀態,(c )係以蝕刻 去除G a A s層的狀態,(d )係以蝕刻去除A 1 I n P 層的狀態,(e )係以蝕刻去除G a A s層的狀態,(f )係生長電流擴散層的狀態。 第6圖係分別表示針對習知化合物半導體單結晶之圖 本紙張尺度適用中國8家標準(CNS)A4規格(210x297公釐)-15- A7 46 324 6 _____B7___ 五、發明說明(!3 ) 型形成工程圖以及代表性工程之槪略說明圖* (A)係對 化合物半導體單結晶的表面塗佈光阻劑的狀態1 ( B )係 利用紫外線照射來烘烤圖型之曝光工程,(C)係顯影及 漂洗後的圖型以及(D )係最後所獲得的圖型》 〔符號之說明〕 12:雷射光照射裝置 1 4 : Α Γ雷射振盪器 16:反射鏡 18:聚光鏡 1 9 : X - Υ工作台 . 2 0 :試料 22:GaAs單結晶基板 24:GaAs緩衝層 2 6 : A 1 I η P 層 28:AlGaAs 層 3 0 :雷射光照射裝置 32:X — Y工作站 3 4 :試料固定夾 3 6 :雷射振盪器 3 8 :聚光鏡 _4 0 : X — Y工作站控制用電腦 42:雷射光點徑聚光鏡 4 4 :真空室 本紙張尺度適用中國國家標準(CNS)A4規格(210 X 297公爱)-16- (請先《讀背面之注意事項再填寫本頁) 裝--------訂---------線 經濟部智慧財產局員工消费合作社印製 46324 6 A7 B7 五、發明說明(!4 ) 4 6 :離子幫浦 4 8 :渦輪式分子幫浦 5 0 :旋轉式幫浦 5 2 :反射鏡 5 4 :化合物半導體材料 60 : GaAs 基板 62:n型GaAs緩衝層 6 3 :構造層 6 4: η型A 1 I nP包覆層 66:Α1ΙηΡ活性層 68 : p型A 1 I nP包覆層 7 0 a :方塊區 72 : η 型 GaAs 層 74:11型入1111?層 76 : η 型 GaAs 層 7 0 :方塊層 78:p型電流擴散餍 (請先閲讀背面之>i意事項再填寫本頁) 裝· ------訂------線 1 . 經濟部智慧財產局員工消t合作社印製 本紙張尺度適用中國困家標準(CNS)A4規格(210 X 297公« ) - 17 -
Claims (1)
- 463246 A8 B8 C8 D8 六、申請專利範圍 1 · 一種化合物半導體單結晶,其特徵爲具有: 構成i II—V族化合物半導體單結晶之V族元素成 份’或者是構成II—VI族化合物半導體單結晶之VI 族元素成份,爲少於前述化合物半導體化學式所示之組成 比的範圍。 2 種化合物半導體元件之製造方法,其特徵爲具 .有: 使得構成III-V族化合物半導體單結晶之V族元 素成份*或者是構成II-VI族化合物半導體單結晶之 VI族元素成份,少於前述化合物半導體化學式所示的組成 比,藉以令前述化合物半導體單結晶蝕變爲圖形形狀之·蝕 變工程、和選擇性地對前述化合物半導體單結晶進行蝕刻 之蝕刻工程。 3 .如申請專利範圍第2項所述之化合物半導體元件 之製造方法,其前述蝕變工程是利用施加能量來加熱前述 蝕變單結晶的表面來進行的β 4. 如申請專利範圍第3項所述之化合物半導體元件 之製造方法,其前述蝕變工程是利用對前述化合物半導體 單結晶的表面照射雷射光或電子束來進行的。 5. 如申請專利範圍第2項至第4項之任一項所述之 化合物半導體元件之製造方法,其在前述蝕刻工程中’利 用以前述蝕變工程工所蝕變的化合物半導體單結晶之表面 做爲保護膜。 · 6 .—種化合物半導體元件之製造方法,其特徵爲具 本紙張尺度適用中國國家標準(CNS)A4規格<210 X 297公爱)-18- -----------^* — — — — — 1— 訂· I I I I 1 I--線 I (請先閱讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 BS C8 D8 463246 六、申請專利範圍 有: 形成構成I I I-V族化合物半導體單結晶層,或者 是構成I I - V I族化合物半導體單結晶層之生長工程、 和對前述化合物半導體單結晶層的表面,照射雷射光並使 該化合物半導體單結晶層的表面蝕變之蝕變工程、和利用 選擇性地對具有該蝕變工程所蝕變的範圍之化合物半導體 •單結晶層進行蝕刻,形成保護膜之蝕刻工程。 7 .如申請專利範圍第6項所述之化合物半導體元件 之製造方法,其前述雷射光係以具有比照射該雷射光的化 合物半導體單結晶層的禁帶寬更大的能量》 8 .如申請專利範圍第7項所述之化合物半導體元件 之製造方法,其前述雷射光的輸出,爲1 kW/cm2以上 5kW/cm2以下。 — — — — — — I ) I I I ^ 1111111 ^ ---— I I I I · Λ. <请先閱讀背面之注意事項再填寫本頁) 經.濟部智慧財產局員工消f合作社印製 本紙張疋度通用中國國家標準(CNS)A4規格(210 x 297公爱)-19 -
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TWI411029B (zh) * | 2006-11-21 | 2013-10-01 | Disco Corp | Laser processing device |
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EP3791347A4 (en) | 2018-05-06 | 2022-05-25 | Strong Force TX Portfolio 2018, LLC | METHODS AND SYSTEMS FOR IMPROVING MACHINES AND SYSTEMS THAT AUTOMATE THE EXECUTION OF DISTRIBUTED LEADER AND OTHER TRANSACTIONS IN SPOT AND FUTURES MARKETS FOR ENERGY, COMPUTING, STORAGE AND OTHER RESOURCES |
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DE102019106964A1 (de) * | 2019-03-19 | 2020-09-24 | OSRAM Opto Semiconductors Gesellschaft mit beschränkter Haftung | Verfahren zur strukturierung einer halbleiteroberfläche und halbleiterkörper mit einer halbleiteroberfläche, die zumindest eine struktur aufweist |
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JPS5534418A (en) * | 1978-09-01 | 1980-03-11 | Ise Electronics Corp | Method of selectively etching semiconductor |
JPS59177930A (ja) * | 1983-03-29 | 1984-10-08 | Oki Electric Ind Co Ltd | 半導体装置のパタ−ン形成方法 |
JPS59194439A (ja) * | 1983-04-20 | 1984-11-05 | Oki Electric Ind Co Ltd | 半導体装置のパタ−ン形成方法 |
US4555301A (en) * | 1983-06-20 | 1985-11-26 | At&T Bell Laboratories | Formation of heterostructures by pulsed melting of precursor material |
US5139606A (en) * | 1989-12-05 | 1992-08-18 | Massachusetts Institute Of Technology | Laser bilayer etching of GaAs surfaces |
JPH04133327A (ja) * | 1990-09-25 | 1992-05-07 | Hikari Keisoku Gijutsu Kaihatsu Kk | 半導体の微細加工方法 |
US5386798A (en) * | 1993-10-06 | 1995-02-07 | Martin Marietta Energy Systems, Inc. | Method for continuous control of composition and doping of pulsed laser deposited films |
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2000
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- 2000-04-25 WO PCT/JP2000/002683 patent/WO2000065642A1/ja not_active Application Discontinuation
- 2000-04-25 JP JP2000614491A patent/JP3963651B2/ja not_active Expired - Fee Related
- 2000-04-25 KR KR1020007013915A patent/KR20010052671A/ko not_active Application Discontinuation
- 2000-04-25 EP EP00917445A patent/EP1089329A1/en not_active Withdrawn
- 2000-04-26 TW TW089107912A patent/TW463246B/zh not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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TWI411029B (zh) * | 2006-11-21 | 2013-10-01 | Disco Corp | Laser processing device |
Also Published As
Publication number | Publication date |
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KR20010052671A (ko) | 2001-06-25 |
WO2000065642A1 (en) | 2000-11-02 |
US6589447B1 (en) | 2003-07-08 |
JP3963651B2 (ja) | 2007-08-22 |
EP1089329A1 (en) | 2001-04-04 |
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