{"id":249,"date":"2019-11-13T10:13:14","date_gmt":"2019-11-13T02:13:14","guid":{"rendered":"https:\/\/www.bihec.com\/kimballphysics\/?p=249"},"modified":"2019-11-13T10:13:14","modified_gmt":"2019-11-13T02:13:14","slug":"lanthanum-hexaboride-cathode-with-guard-ring-%e5%85%ad%e7%a1%bc%e5%8c%96%e9%95%a7%e5%b8%a6%e4%bf%9d%e6%8a%a4%e7%8e%af%e9%98%b4%e6%9e%81","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/kimballphysics\/lanthanum-hexaboride-cathode-with-guard-ring-%e5%85%ad%e7%a1%bc%e5%8c%96%e9%95%a7%e5%b8%a6%e4%bf%9d%e6%8a%a4%e7%8e%af%e9%98%b4%e6%9e%81\/","title":{"rendered":"Lanthanum Hexaboride Cathode with Guard Ring \u516d\u787c\u5316\u9567\u5e26\u4fdd\u62a4\u73af\u9634\u6781"},"content":{"rendered":"<p>Lanthanum Hexaboride Cathode with Guard Ring <a href=\"https:\/\/www.bihec.com\/kimballphysics\/tag\/%e5%85%ad%e7%a1%bc%e5%8c%96%e9%95%a7%e5%b8%a6%e4%bf%9d%e6%8a%a4%e7%8e%af%e9%98%b4%e6%9e%81\/\" title=\"View all posts in \u516d\u787c\u5316\u9567\u5e26\u4fdd\u62a4\u73af\u9634\u6781\" target=\"_blank\">\u516d\u787c\u5316\u9567\u5e26\u4fdd\u62a4\u73af\u9634\u6781<\/a><\/p>\n<p><img loading=\"lazy\" class=\"alignnone size-medium wp-image-250\" src=\"https:\/\/www.bihec.com\/kimballphysics\/wp-content\/uploads\/sites\/10\/2019\/11\/2-2-300x185.jpg\" alt=\"\" width=\"300\" height=\"185\" srcset=\"https:\/\/www.bihec.com\/kimballphysics\/wp-content\/uploads\/sites\/10\/2019\/11\/2-2-300x185.jpg 300w, https:\/\/www.bihec.com\/kimballphysics\/wp-content\/uploads\/sites\/10\/2019\/11\/2-2-500x308.jpg 500w, https:\/\/www.bihec.com\/kimballphysics\/wp-content\/uploads\/sites\/10\/2019\/11\/2-2.jpg 579w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>Small diameters with microflats<br \/>\nBrightness &gt;106\u00a0A\/cm2\/sr<br \/>\nOperating pressure &lt; 10-7\u00a0torr<br \/>\nSmall spot, long lifetime<br \/>\nEmission current densities up to 30 A\/cm2<br \/>\nAvailable on many bases<\/p>\n<br><div class=\"tagcloud\"><a href=\"https:\/\/www.bihec.com\/kimballphysics\/tag\/%e5%85%ad%e7%a1%bc%e5%8c%96%e9%95%a7%e5%b8%a6%e4%bf%9d%e6%8a%a4%e7%8e%af%e9%98%b4%e6%9e%81\/\" class=\"tag-cloud-link tag-link-0 tag-link-position-1\" style=\"font-size: 8pt;\" aria-label=\"\u516d\u787c\u5316\u9567\u5e26\u4fdd\u62a4\u73af\u9634\u6781 (1\u4e2a\u9879\u76ee)\">\u516d\u787c\u5316\u9567\u5e26\u4fdd\u62a4\u73af\u9634\u6781<\/a>\n<a href=\"https:\/\/www.bihec.com\/kimballphysics\/tag\/%e7%94%b5%e5%ad%90%e6%9e%aa%e9%98%b4%e6%9e%81\/\" class=\"tag-cloud-link tag-link-1 tag-link-position-2\" style=\"font-size: 15.095890410959pt;\" aria-label=\"\u7535\u5b50\u67aa\u9634\u6781 (10\u4e2a\u9879\u76ee)\">\u7535\u5b50\u67aa\u9634\u6781<\/a>\n<a href=\"https:\/\/www.bihec.com\/kimballphysics\/tag\/%e9%98%b4%e6%9e%81\/\" class=\"tag-cloud-link tag-link-2 tag-link-position-3\" style=\"font-size: 22pt;\" aria-label=\"\u9634\u6781 (56\u4e2a\u9879\u76ee)\">\u9634\u6781<\/a><\/div>","protected":false},"excerpt":{"rendered":"<p>Lanthanum Hexaboride Cathode with Guard Ring \u516d\u787c\u5316\u9567\u5e26\u4fdd\u62a4\u73af\u9634\u6781 Small diameters with microflats Br <\/p>\n","protected":false},"author":19,"featured_media":250,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[7],"tags":[60,58,57],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.5 - 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