Performance of Tungsten wire reservoir cathodes
Research is continuing on development of controlled porosity cathodes capable of very long life times. Tungsten wires are sintered to form a material consisting of a uniform pattern of pores to transport barium from a reservoir. The combination of uniform pores and the reservoir results in very unif...
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| creator | Ives, L. Falce, L. Collins, G. Marsden, D. Miram, G. Gunther, K. Curtis, M. Schwartzkopf, S. Smith, B. Witherspoon, R. |
| description | Research is continuing on development of controlled porosity cathodes capable of very long life times. Tungsten wires are sintered to form a material consisting of a uniform pattern of pores to transport barium from a reservoir. The combination of uniform pores and the reservoir results in very uniform current emission from the surface with extremely long life. The barium diffusion rate can be controlled by the designer. |
| doi_str_mv | 10.1109/IVELEC.2009.5193464 |
| format | Conference Proceeding |
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Tungsten wires are sintered to form a material consisting of a uniform pattern of pores to transport barium from a reservoir. The combination of uniform pores and the reservoir results in very uniform current emission from the surface with extremely long life. The barium diffusion rate can be controlled by the designer.</description><identifier>ISBN: 1424435005</identifier><identifier>ISBN: 9781424435005</identifier><identifier>EISBN: 1424435013</identifier><identifier>EISBN: 9781424435012</identifier><identifier>DOI: 10.1109/IVELEC.2009.5193464</identifier><identifier>LCCN: 2008910928</identifier><language>eng</language><publisher>IEEE</publisher><subject>Barium ; Calcium ; cathode ; Cathodes ; controlled porosity ; Current density ; electron gun ; Fabrication ; Powders ; Reservoirs ; Temperature ; Tungsten ; Wire</subject><ispartof>2009 IEEE International Vacuum Electronics Conference, 2009, p.528-529</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/5193464$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,777,781,786,787,2052,27906,54901</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/5193464$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Ives, L.</creatorcontrib><creatorcontrib>Falce, L.</creatorcontrib><creatorcontrib>Collins, G.</creatorcontrib><creatorcontrib>Marsden, D.</creatorcontrib><creatorcontrib>Miram, G.</creatorcontrib><creatorcontrib>Gunther, K.</creatorcontrib><creatorcontrib>Curtis, M.</creatorcontrib><creatorcontrib>Schwartzkopf, S.</creatorcontrib><creatorcontrib>Smith, B.</creatorcontrib><creatorcontrib>Witherspoon, R.</creatorcontrib><title>Performance of Tungsten wire reservoir cathodes</title><title>2009 IEEE International Vacuum Electronics Conference</title><addtitle>IVELEC</addtitle><description>Research is continuing on development of controlled porosity cathodes capable of very long life times. Tungsten wires are sintered to form a material consisting of a uniform pattern of pores to transport barium from a reservoir. The combination of uniform pores and the reservoir results in very uniform current emission from the surface with extremely long life. The barium diffusion rate can be controlled by the designer.</description><subject>Barium</subject><subject>Calcium</subject><subject>cathode</subject><subject>Cathodes</subject><subject>controlled porosity</subject><subject>Current density</subject><subject>electron gun</subject><subject>Fabrication</subject><subject>Powders</subject><subject>Reservoirs</subject><subject>Temperature</subject><subject>Tungsten</subject><subject>Wire</subject><isbn>1424435005</isbn><isbn>9781424435005</isbn><isbn>1424435013</isbn><isbn>9781424435012</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2009</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNpFT1FLwzAYjMhAN_cL9tI_0O5LvqRpHqVUHRT0Yfo6kvSLVlwrSVX89xY28F6Og7vjjrENh4JzMNvdS9M2dSEATKG4QVnKC7bkUkiJCjhe_gtQC7acjZWZg6K6YuuU3mGGVAiqvGbbJ4phjEc7eMrGkO2_htc00ZD99JGySIni99jHzNvpbewo3bBFsB-J1mdesee7Zl8_5O3j_a6-bfOeazXljjsjbAiddcI77x2i0ga0tVLreRlgKYNFixV1ugJtfBeEN1Xg8ykhNK7Y5tTbE9HhM_ZHG38P57f4B31jRmg</recordid><startdate>200904</startdate><enddate>200904</enddate><creator>Ives, L.</creator><creator>Falce, L.</creator><creator>Collins, G.</creator><creator>Marsden, D.</creator><creator>Miram, G.</creator><creator>Gunther, K.</creator><creator>Curtis, M.</creator><creator>Schwartzkopf, S.</creator><creator>Smith, B.</creator><creator>Witherspoon, R.</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>200904</creationdate><title>Performance of Tungsten wire reservoir cathodes</title><author>Ives, L. ; Falce, L. ; Collins, G. ; Marsden, D. ; Miram, G. ; Gunther, K. ; Curtis, M. ; Schwartzkopf, S. ; Smith, B. ; Witherspoon, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-b1b92affdab2cbccb3357907aa4774430364fa3a38ed78079cdf2c98f10092273</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Barium</topic><topic>Calcium</topic><topic>cathode</topic><topic>Cathodes</topic><topic>controlled porosity</topic><topic>Current density</topic><topic>electron gun</topic><topic>Fabrication</topic><topic>Powders</topic><topic>Reservoirs</topic><topic>Temperature</topic><topic>Tungsten</topic><topic>Wire</topic><toplevel>online_resources</toplevel><creatorcontrib>Ives, L.</creatorcontrib><creatorcontrib>Falce, L.</creatorcontrib><creatorcontrib>Collins, G.</creatorcontrib><creatorcontrib>Marsden, D.</creatorcontrib><creatorcontrib>Miram, G.</creatorcontrib><creatorcontrib>Gunther, K.</creatorcontrib><creatorcontrib>Curtis, M.</creatorcontrib><creatorcontrib>Schwartzkopf, S.</creatorcontrib><creatorcontrib>Smith, B.</creatorcontrib><creatorcontrib>Witherspoon, R.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Ives, L.</au><au>Falce, L.</au><au>Collins, G.</au><au>Marsden, D.</au><au>Miram, G.</au><au>Gunther, K.</au><au>Curtis, M.</au><au>Schwartzkopf, S.</au><au>Smith, B.</au><au>Witherspoon, R.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Performance of Tungsten wire reservoir cathodes</atitle><btitle>2009 IEEE International Vacuum Electronics Conference</btitle><stitle>IVELEC</stitle><date>2009-04</date><risdate>2009</risdate><spage>528</spage><epage>529</epage><pages>528-529</pages><isbn>1424435005</isbn><isbn>9781424435005</isbn><eisbn>1424435013</eisbn><eisbn>9781424435012</eisbn><abstract>Research is continuing on development of controlled porosity cathodes capable of very long life times. Tungsten wires are sintered to form a material consisting of a uniform pattern of pores to transport barium from a reservoir. The combination of uniform pores and the reservoir results in very uniform current emission from the surface with extremely long life. The barium diffusion rate can be controlled by the designer.</abstract><pub>IEEE</pub><doi>10.1109/IVELEC.2009.5193464</doi><tpages>2</tpages></addata></record> |
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| ispartof | 2009 IEEE International Vacuum Electronics Conference, 2009, p.528-529 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Barium Calcium cathode Cathodes controlled porosity Current density electron gun Fabrication Powders Reservoirs Temperature Tungsten Wire |
| title | Performance of Tungsten wire reservoir cathodes |
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