ELECTRON BEAM WELDING EQUIPMENT
PURPOSE:To secure the stabilized characteristic of an electron beam by constant ly holding the vacuum degrees inside a vacuum chamber by controlling a valve opening based on the result of the operation by comparing the vacuum degrees measured by a vacuum gage with the preset vacuum degrees. CONSTITU...
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| creator | IIJIMA SHIRO YOSHINO TOSHIHIRO |
| description | PURPOSE:To secure the stabilized characteristic of an electron beam by constant ly holding the vacuum degrees inside a vacuum chamber by controlling a valve opening based on the result of the operation by comparing the vacuum degrees measured by a vacuum gage with the preset vacuum degrees. CONSTITUTION:The vacuum degrees measured by a vacuum gage 5 is inputted to the comparison computing element 6a of an arithmetic part 6. The result of the comparison operation is given to a valve controller 6b, the valve opening signal outputted threrefrom is inputted to an inlet valve 8 and the vacuum degrees are held constantly by controlling the valve opening. With this method the service life of the cathode of an electron gun is improved and the electron beam characteristic is stabilized as well. |
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CONSTITUTION:The vacuum degrees measured by a vacuum gage 5 is inputted to the comparison computing element 6a of an arithmetic part 6. The result of the comparison operation is given to a valve controller 6b, the valve opening signal outputted threrefrom is inputted to an inlet valve 8 and the vacuum degrees are held constantly by controlling the valve opening. With this method the service life of the cathode of an electron gun is improved and the electron beam characteristic is stabilized as well.</description><language>eng</language><subject>BASIC ELECTRIC ELEMENTS ; CLADDING OR PLATING BY SOLDERING OR WELDING ; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ; ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ; ELECTRICITY ; MACHINE TOOLS ; METAL-WORKING NOT OTHERWISE PROVIDED FOR ; PERFORMING OPERATIONS ; SOLDERING OR UNSOLDERING ; TRANSPORTING ; WELDING ; WORKING BY LASER BEAM</subject><creationdate>1988</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=19880527&DB=EPODOC&CC=JP&NR=S63123580A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76289</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19880527&DB=EPODOC&CC=JP&NR=S63123580A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>IIJIMA SHIRO</creatorcontrib><creatorcontrib>YOSHINO TOSHIHIRO</creatorcontrib><title>ELECTRON BEAM WELDING EQUIPMENT</title><description>PURPOSE:To secure the stabilized characteristic of an electron beam by constant ly holding the vacuum degrees inside a vacuum chamber by controlling a valve opening based on the result of the operation by comparing the vacuum degrees measured by a vacuum gage with the preset vacuum degrees. CONSTITUTION:The vacuum degrees measured by a vacuum gage 5 is inputted to the comparison computing element 6a of an arithmetic part 6. The result of the comparison operation is given to a valve controller 6b, the valve opening signal outputted threrefrom is inputted to an inlet valve 8 and the vacuum degrees are held constantly by controlling the valve opening. With this method the service life of the cathode of an electron gun is improved and the electron beam characteristic is stabilized as well.</description><subject>BASIC ELECTRIC ELEMENTS</subject><subject>CLADDING OR PLATING BY SOLDERING OR WELDING</subject><subject>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</subject><subject>ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS</subject><subject>ELECTRICITY</subject><subject>MACHINE TOOLS</subject><subject>METAL-WORKING NOT OTHERWISE PROVIDED FOR</subject><subject>PERFORMING OPERATIONS</subject><subject>SOLDERING OR UNSOLDERING</subject><subject>TRANSPORTING</subject><subject>WELDING</subject><subject>WORKING BY LASER BEAM</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1988</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZJB39XF1Dgny91NwcnX0VQh39XHx9HNXcA0M9QzwdfUL4WFgTUvMKU7lhdLcDIpuriHOHrqpBfnxqcUFicmpeakl8V4BwWbGhkbGphYGjsbEqAEA2bgh6Q</recordid><startdate>19880527</startdate><enddate>19880527</enddate><creator>IIJIMA SHIRO</creator><creator>YOSHINO TOSHIHIRO</creator><scope>EVB</scope></search><sort><creationdate>19880527</creationdate><title>ELECTRON BEAM WELDING EQUIPMENT</title><author>IIJIMA SHIRO ; YOSHINO TOSHIHIRO</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_JPS63123580A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1988</creationdate><topic>BASIC ELECTRIC ELEMENTS</topic><topic>CLADDING OR PLATING BY SOLDERING OR WELDING</topic><topic>CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING</topic><topic>ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS</topic><topic>ELECTRICITY</topic><topic>MACHINE TOOLS</topic><topic>METAL-WORKING NOT OTHERWISE PROVIDED FOR</topic><topic>PERFORMING OPERATIONS</topic><topic>SOLDERING OR UNSOLDERING</topic><topic>TRANSPORTING</topic><topic>WELDING</topic><topic>WORKING BY LASER BEAM</topic><toplevel>online_resources</toplevel><creatorcontrib>IIJIMA SHIRO</creatorcontrib><creatorcontrib>YOSHINO TOSHIHIRO</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>IIJIMA SHIRO</au><au>YOSHINO TOSHIHIRO</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>ELECTRON BEAM WELDING EQUIPMENT</title><date>1988-05-27</date><risdate>1988</risdate><abstract>PURPOSE:To secure the stabilized characteristic of an electron beam by constant ly holding the vacuum degrees inside a vacuum chamber by controlling a valve opening based on the result of the operation by comparing the vacuum degrees measured by a vacuum gage with the preset vacuum degrees. CONSTITUTION:The vacuum degrees measured by a vacuum gage 5 is inputted to the comparison computing element 6a of an arithmetic part 6. The result of the comparison operation is given to a valve controller 6b, the valve opening signal outputted threrefrom is inputted to an inlet valve 8 and the vacuum degrees are held constantly by controlling the valve opening. With this method the service life of the cathode of an electron gun is improved and the electron beam characteristic is stabilized as well.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BASIC ELECTRIC ELEMENTS CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS ELECTRICITY MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM |
| title | ELECTRON BEAM WELDING EQUIPMENT |
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