GAS INJECTION APPARATUS FOR LAYER DEPOSITION
A gas injection apparatus includes a supply block including central gas ports configured to supply a process gas provided from a gas supply source; a diffusion cover under the supply block and including a branch duct which is connected to the central gas ports; a plurality of spray nozzles on a lowe...
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| creator | KIM, Sang Bo KIM, Su Woong CHOI, Seung Dae |
| description | A gas injection apparatus includes a supply block including central gas ports configured to supply a process gas provided from a gas supply source; a diffusion cover under the supply block and including a branch duct which is connected to the central gas ports; a plurality of spray nozzles on a lower surface of the diffusion cover and connected to the branch duct, the plurality of spray nozzles configured to spray the process gas; and a shower head under the plurality of spray nozzles and including a plurality of spray holes vertically passing through the shower head, the plurality of spray holes configured to evenly spray the process gas sprayed by the plurality of spray nozzles. The diffusion cover further includes a concave portion at an upper surface thereof, the concave portion facing the central gas ports and concaved downward. |
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The diffusion cover further includes a concave portion at an upper surface thereof, the concave portion facing the central gas ports and concaved downward.</description><language>eng</language><subject>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 ; DIFFUSION TREATMENT OF METALLIC MATERIAL ; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL ; METALLURGY ; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><creationdate>2023</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230921&DB=EPODOC&CC=US&NR=2023295806A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,309,781,886,25569,76552</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20230921&DB=EPODOC&CC=US&NR=2023295806A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>KIM, Sang Bo</creatorcontrib><creatorcontrib>KIM, Su Woong</creatorcontrib><creatorcontrib>CHOI, Seung Dae</creatorcontrib><title>GAS INJECTION APPARATUS FOR LAYER DEPOSITION</title><description>A gas injection apparatus includes a supply block including central gas ports configured to supply a process gas provided from a gas supply source; a diffusion cover under the supply block and including a branch duct which is connected to the central gas ports; a plurality of spray nozzles on a lower surface of the diffusion cover and connected to the branch duct, the plurality of spray nozzles configured to spray the process gas; and a shower head under the plurality of spray nozzles and including a plurality of spray holes vertically passing through the shower head, the plurality of spray holes configured to evenly spray the process gas sprayed by the plurality of spray nozzles. The diffusion cover further includes a concave portion at an upper surface thereof, the concave portion facing the central gas ports and concaved downward.</description><subject>CHEMICAL SURFACE TREATMENT</subject><subject>CHEMISTRY</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</subject><subject>COATING MATERIAL WITH METALLIC MATERIAL</subject><subject>COATING METALLIC MATERIAL</subject><subject>DIFFUSION TREATMENT OF METALLIC MATERIAL</subject><subject>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</subject><subject>METALLURGY</subject><subject>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2023</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZNBxdwxW8PTzcnUO8fT3U3AMCHAMcgwJDVZw8w9S8HGMdA1ScHEN8A_2BEnzMLCmJeYUp_JCaW4GZTfXEGcP3dSC_PjU4oLE5NS81JL40GAjAyNjI0tTCwMzR0Nj4lQBADYzJkI</recordid><startdate>20230921</startdate><enddate>20230921</enddate><creator>KIM, Sang Bo</creator><creator>KIM, Su Woong</creator><creator>CHOI, Seung Dae</creator><scope>EVB</scope></search><sort><creationdate>20230921</creationdate><title>GAS INJECTION APPARATUS FOR LAYER DEPOSITION</title><author>KIM, Sang Bo ; KIM, Su Woong ; CHOI, Seung Dae</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US2023295806A13</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2023</creationdate><topic>CHEMICAL SURFACE TREATMENT</topic><topic>CHEMISTRY</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL</topic><topic>COATING MATERIAL WITH METALLIC MATERIAL</topic><topic>COATING METALLIC MATERIAL</topic><topic>DIFFUSION TREATMENT OF METALLIC MATERIAL</topic><topic>INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL</topic><topic>METALLURGY</topic><topic>SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION</topic><toplevel>online_resources</toplevel><creatorcontrib>KIM, Sang Bo</creatorcontrib><creatorcontrib>KIM, Su Woong</creatorcontrib><creatorcontrib>CHOI, Seung Dae</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>KIM, Sang Bo</au><au>KIM, Su Woong</au><au>CHOI, Seung Dae</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>GAS INJECTION APPARATUS FOR LAYER DEPOSITION</title><date>2023-09-21</date><risdate>2023</risdate><abstract>A gas injection apparatus includes a supply block including central gas ports configured to supply a process gas provided from a gas supply source; a diffusion cover under the supply block and including a branch duct which is connected to the central gas ports; a plurality of spray nozzles on a lower surface of the diffusion cover and connected to the branch duct, the plurality of spray nozzles configured to spray the process gas; and a shower head under the plurality of spray nozzles and including a plurality of spray holes vertically passing through the shower head, the plurality of spray holes configured to evenly spray the process gas sprayed by the plurality of spray nozzles. The diffusion cover further includes a concave portion at an upper surface thereof, the concave portion facing the central gas ports and concaved downward.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | 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 DIFFUSION TREATMENT OF METALLIC MATERIAL INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL METALLURGY SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION |
| title | GAS INJECTION APPARATUS FOR LAYER DEPOSITION |
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