Method of growing crystal in recess and processing apparatus used therefor
A method of growing a crystal in a recess in a substrate on which an insulating film having the recess is formed, includes: forming a first film on the insulating film at a thickness as not to completely fill the recess; etching the first film by an etching gas to remain the first film only in a bot...
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| creator | Chiba, Yoichiro Suzuki, Daisuke Hasebe, Kazuhide |
| description | A method of growing a crystal in a recess in a substrate on which an insulating film having the recess is formed, includes: forming a first film on the insulating film at a thickness as not to completely fill the recess; etching the first film by an etching gas to remain the first film only in a bottom portion of the recess; annealing the substrate such that the first film in the bottom portion is modified into a crystalline layer; forming a second film on the insulating film and a surface of the crystalline layer at a thickness as not to completely fill the recess; annealing the substrate such that the second film is crystallized from the bottom portion through a solid phase epitaxial growth to form an epitaxial crystal layer; and etching and removing the second film remaining on the substrate by an etching gas. |
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etching the first film by an etching gas to remain the first film only in a bottom portion of the recess; annealing the substrate such that the first film in the bottom portion is modified into a crystalline layer; forming a second film on the insulating film and a surface of the crystalline layer at a thickness as not to completely fill the recess; annealing the substrate such that the second film is crystallized from the bottom portion through a solid phase epitaxial growth to form an epitaxial crystal layer; and etching and removing the second film remaining on the substrate by an etching gas.</description><language>eng</language><subject>AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE ; APPARATUS THEREFOR ; CHEMICAL SURFACE TREATMENT ; CHEMISTRY ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL ; 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etching the first film by an etching gas to remain the first film only in a bottom portion of the recess; annealing the substrate such that the first film in the bottom portion is modified into a crystalline layer; forming a second film on the insulating film and a surface of the crystalline layer at a thickness as not to completely fill the recess; annealing the substrate such that the second film is crystallized from the bottom portion through a solid phase epitaxial growth to form an epitaxial crystal layer; and etching and removing the second film remaining on the substrate by an etching gas.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUSPOLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE APPARATUS THEREFOR CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL CRYSTAL GROWTH DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE REFINING BY ZONE-MELTING OF MATERIAL SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITHDEFINED STRUCTURE SINGLE-CRYSTAL-GROWTH SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL ORUNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL |
| title | Method of growing crystal in recess and processing apparatus used therefor |
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