{"id":255,"date":"2019-11-13T10:33:15","date_gmt":"2019-11-13T02:33:15","guid":{"rendered":"https:\/\/www.bihec.com\/kimballphysics\/?p=255"},"modified":"2019-11-13T10:33:15","modified_gmt":"2019-11-13T02:33:15","slug":"lanthanum-hexaboride-cathodes-for-electron-microscopes-%e7%94%b5%e5%ad%90%e6%98%be%e5%be%ae%e9%95%9c%e7%94%a8%e5%85%ad%e7%a1%bc%e5%8c%96%e9%95%a7%e9%98%b4%e6%9e%81","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/kimballphysics\/lanthanum-hexaboride-cathodes-for-electron-microscopes-%e7%94%b5%e5%ad%90%e6%98%be%e5%be%ae%e9%95%9c%e7%94%a8%e5%85%ad%e7%a1%bc%e5%8c%96%e9%95%a7%e9%98%b4%e6%9e%81\/","title":{"rendered":"Lanthanum Hexaboride Cathodes for Electron Microscopes \u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781"},"content":{"rendered":"

Lanthanum Hexaboride Cathodes for Electron Microscopes \u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781<\/a><\/p>\n

\"\"<\/p>\n

High current, high brightness, single crystal with microflat
\nCurrent densities up to 30 A\/cm2
\n<\/sup>Emission surfaces sized\u00a0 for microscope use
\nLong lifetimes
\nOperating pressure < 10-7<\/sup>\u00a0torr
\nCeramic AEI<\/a> base or various microscope bases<\/p>\n

\u516d\u787c\u5316\u9567\u9634\u6781<\/a>\n\u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781<\/a>\n\u7535\u5b50\u67aa\u9634\u6781<\/a>\n\u9634\u6781<\/a><\/div>","protected":false},"excerpt":{"rendered":"

Lanthanum Hexaboride Cathodes for Electron Microscopes \u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781 High current, high bri <\/p>\n","protected":false},"author":19,"featured_media":256,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[7],"tags":[63,62,58,57],"yoast_head":"\nLanthanum Hexaboride Cathodes for Electron Microscopes \u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781 - Kimball Physics\u91d1\u535a\u5c14\u7535\u5b50\u67aa\u79bb\u5b50\u67aa<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.bihec.com\/kimballphysics\/lanthanum-hexaboride-cathodes-for-electron-microscopes-\u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Lanthanum Hexaboride Cathodes for Electron Microscopes \u7535\u5b50\u663e\u5fae\u955c\u7528\u516d\u787c\u5316\u9567\u9634\u6781 - 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