{"id":414,"date":"2020-05-25T16:35:00","date_gmt":"2020-05-25T08:35:00","guid":{"rendered":"https:\/\/www.bihec.com\/kimballphysics\/?p=414"},"modified":"2020-05-25T16:35:00","modified_gmt":"2020-05-25T08:35:00","slug":"kimball%e7%94%b5%e5%ad%90%e6%9e%aa%e7%b3%bb%e7%bb%9ffra-2x1-2-egps-1011-5-ev-to-1000-ev-%e6%9d%a5%e8%87%aa%e5%b0%8f%e5%9e%8b%e6%ba%90%e7%9a%84%e7%9a%84%e5%b9%bf%e8%a7%92%e4%bd%8e%e8%83%bd%e7%94%b5","status":"publish","type":"post","link":"https:\/\/www.bihec.com\/kimballphysics\/kimball%e7%94%b5%e5%ad%90%e6%9e%aa%e7%b3%bb%e7%bb%9ffra-2x1-2-egps-1011-5-ev-to-1000-ev-%e6%9d%a5%e8%87%aa%e5%b0%8f%e5%9e%8b%e6%ba%90%e7%9a%84%e7%9a%84%e5%b9%bf%e8%a7%92%e4%bd%8e%e8%83%bd%e7%94%b5\/","title":{"rendered":"Kimball\u7535\u5b50\u67aa\u7cfb\u7edfFRA-2X1-2 \/ EGPS-1011 5 eV to 1000 eV \u6765\u81ea\u5c0f\u578b\u6e90\u7684\u7684\u5e7f\u89d2\u4f4e\u80fd\u7535\u5b50\u675f"},"content":{"rendered":"

Kimball Physics<\/a>\u662f \u7535\u5b50\u67aa<\/a>\u7684\u4e3b\u8981\u4f9b\u5e94\u5546\uff0c\u8fd9\u4e9b\u7535\u5b50\u67aa\u8bbe\u8ba1\u7528\u4e8e\u5404\u79cd \u8d85\u9ad8\u771f\u7a7a<\/a>\uff08 UHV<\/a>\uff09 \u8868\u9762\u7269\u7406\u5b66<\/a>\uff0c\u7a7a\u95f4\u7269\u7406\u5b66\u548c\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u3002\u55b7\u67aa\u53ef\u4ee5\u805a\u7126\u6210\u5c0f\u5149\u6591\uff0c\u7528\u4e8eX\u5c04\u7ebf\u751f\u4ea7\uff0c \u710a\u63a5<\/a>\u548cRHEED\u7b49\u5e94\u7528\uff1b\u6216\u7528\u4e8e\u6cdb\u5149\u675f\uff0c\u7528\u4e8e\u7535\u8377\u4e2d\u548c\uff0c \u7535\u5b50\u675f<\/a>\u6d17\u6da4\uff0c\u7a7a\u95f4\u6a21\u62df\u548c\u8f90\u5c04\u635f\u4f24\u7814\u7a76\u3002<\/p>\n\n\n\n
\u64cd\u4f5c\u8303\u56f4<\/strong><\/p>\n
\n
\u80fd\u91cf\u8303\u56f4\uff1a1 eV\u81f3100 keV<\/li>\n
\u5149\u675f\u7535\u6d41\u8303\u56f4\uff1a1 nA\u81f320 mA<\/li>\n
\u5149\u6591\u5c3a\u5bf8\u8303\u56f4\uff1a15\u03bcm\uff08\u805a\u7126\u67f1\uff09\u81f3500+ mm\uff08\u6cdb\u5149\u706f\uff09<\/li>\n<\/ul>\n
\u6027\u80fd<\/strong><\/p>\n
\n
\u675f\u6d41\u7535\u6d41\u7a33\u5b9a\u6027\uff1a\u53cd\u9988\u7a33\u5b9a\u7684\u53d1\u5c04\u7535\u6d41\u63a7\u5236\uff1b\u6bcf\u5c0f\u65f6\u4f18\u4e8e\u00b10.1\uff05<\/li>\n
\u80fd\u91cf\u7a33\u5b9a\u6027\uff1a\u6bcf\u5c0f\u65f6\u00b10.01\uff05\uff0c\u5168\u8f93\u51fa\u65f6\u6bcf8\u5c0f\u65f6\u00b10.02\uff05\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u5730\u51cf\u5c11\u8272\u5dee<\/li>\n<\/ul>\n<\/td>\n
\u65b9\u4fbf<\/strong><\/p>\n
\n
\u5ba2\u6237\u53ef\u66f4\u6362\u7684\u70b9\u706b\u88c5\u7f6e<\/li>\n
\u5168\u9762\u8fd0\u884c\u671f\u95f4\u7684\u673a\u68b0\u5bf9\u51c6<\/li>\n
\u53ef\u5b58\u50a8\u7684\u63a7\u5236\u8bbe\u7f6e<\/li>\n
\u7535\u8111\u9065\u63a7\u5668\/\u8ba1\u91cf<\/li>\n<\/ul>\n
\u8fd0\u4f5c\u80fd\u529b<\/strong><\/p>\n
\n
\u5feb\u901f\u8109\u51b2<\/a>\/\u5149\u675f\u6d88\u9690<\/li>\n
\u504f\u8f6c\/\u6805\u683c\u5316<\/a><\/li>\n
\u67aa\u88c5 \u6cd5\u62c9\u7b2c\u676f<\/a><\/li>\n<\/ul>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
<\/p>\n
FRA-2X1-2<\/a> ELECTRON GUN SPECIFICATIONS
\nBEAM ENERGY 5 eV to 1000 eV (Independently adjustable)
\nBEAM CURRENT
\n1 nA to 400 \u03bcA (Independently adjustable)
\nwith maximums of 50 \u03bcA at 5 eV, 100 \u03bcA at 50 eV, and
\n400 \u03bcA at 1000 eV
\nENERGY SPREAD Approx. cathode thermal spread, calculated
\nTa – 0.5eV Y2O3<\/a> – 0.4eV BaO – 0.3eV
\nSPOT SIZE
\nFlood beam: 2 mm to 50 mm. Spot size varies with
\nbeam parameters. Design optimized for 20 mm dia spot
\nat 50 eV and 25 mm working distance.
\nWORKING DISTANCE Variable: 10 mm to 50 mm
\nBEAM DEFLECTION None
\nPULSE CAPABILITY
\n(using appropriate
\npulse generator,
\nnot included)
\nOptional Capacitive Pulse Junction Box: pulse width
\n20 ns to 100 \u03bcs , rise\/ fall 10 ns, 50 \u03a9 impedance, 1 W
\nstandard (higher power available)
\nOptional Dual Grid Power Supply: pulse width 2 \u03bcs to
\nDC, rise\/ fall 500 ns, rep rates to 5kHz (TTL required)
\nBEAM UNIFORMITY Gaussian
\nFIRING UNIT
\nFor mounted gun: Customer-replaceable Firing Unit
\nincludes precision-aligned cathode and Wehnelt (G-1)
\nassembly and anode, with insulators and connectors
\nCATHODE TYPES
\nStandard: Tantalum<\/a> disc
\nOptional: Barium oxide (BaO) or Yttrium oxide (Y2O3)
\nWith the exception of Barium oxide, cathodes are not
\nharmed by repeated exposure to atmospheric gases
\nwhile cold
\nMOUNTING
\nStandard: Unmounted\u2014 optional UHV mounting kit
\n(SS plates, clamps, wire, CFF\/feedthrough<\/a>)
\nOptional: Mounted\u20141a or 2\u00be CFF with feedthrough
\nor Flange Multiplexer with a 2\u00be inch rotatable CFF,
\nincluding both tapped and clear mounting holes
\nFARADAY CUP Various stand-alone designs are available
\nBEAM ALIGNMENT Optional: Mechanical alignment with \u00b1 2\u00b0 Port Aligner
\nINSERTION LENGTH
\nUnmounted: approximately 17.2 mm. Leads usually
\nextend 90 mm beyond gun structure
\nMounted: Standard: 150 mm. Range: 110 to 170 mm.
\nCustom lengths available. Gun manufactured at standard
\nlength unless otherwise specified at time of order.
\nGUN DIAMETER Unmounted: 13.2 mm
\nMounted: 19.1 mm
\nFEEDTHROUGHS Multi-pin brazed ceramic, threaded stainless steel shell
\nCABLES \/
\nCONNECTORS
\nMulti-conductor high voltage fully ground-shielded cable,
\nwith mating aluminum shell connectors, to connect gun
\nand power supply. Standard lengths: 3 m Optional: 5 m
\n(included with system, optional with unmounted gun)
\nMAXIMUM BAKEOUT
\nUnmounted: 400\u00b0C
\nMounted: 350\u00b0C with cables removed
\n(Faraday cup: removable pneumatic actuator 65\u00b0C max)<\/p>\n
EFG-7 \/ EGPS-2017<\/a>\n EGG<\/a>\n FRA-2X1-2 \/ EGPS-1011<\/a>\n \u7535\u5b50\u67aa<\/a>\n \u7535\u5b50\u67aa\u67aa\u5934<\/a>\n \u7535\u5b50\u67aa\u7535\u6e90<\/a>\n \u7535\u5b50\u67aa\u9634\u6781<\/a>\n \u76f4\u7ebf\u578b\u7535\u5b50\u67aa<\/a>\n \u771f\u7a7a\u5ba4<\/a>\n \u771f\u7a7a\u7535\u5b50\u67aa<\/a>\n \u771f\u7a7a\u7a7f\u900f\u4ef6<\/a>\n \u771f\u7a7a\u8367\u5149\u5c4f<\/a>\n \u7f8e\u56fdkimball<\/a>\n \u80af\u535a\u5c14<\/a>\n \u80af\u535a\u5c14\u7535\u5b50\u67aa<\/a>\n \u8f70\u51fb\u578b\u7535\u5b50\u67aa<\/a><\/div>","protected":false},"excerpt":{"rendered":"
Kimball Physics\u662f\u7535\u5b50\u67aa\u7684\u4e3b\u8981\u4f9b\u5e94\u5546\uff0c\u8fd9\u4e9b\u7535\u5b50\u67aa\u8bbe\u8ba1\u7528\u4e8e\u5404\u79cd\u8d85\u9ad8\u771f\u7a7a\uff08UHV\uff09\u8868\u9762\u7269\u7406\u5b66\uff0c\u7a7a\u95f4\u7269\u7406\u5b66\u548c\u5904\u7406\u5e94\u7528\u7a0b\u5e8f\u3002\u55b7\u67aa\u53ef\u4ee5\u805a\u7126\u6210\u5c0f\u5149\u6591\uff0c\u7528\u4e8eX\u5c04\u7ebf\u751f\u4ea7\uff0c\u710a\u63a5\u548cRHE <\/p>\n","protected":false},"author":19,"featured_media":295,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_vp_format_video_url":"","_vp_image_focal_point":[]},"categories":[1],"tags":[77,22,70,17,16,15,58,88,105,19,33,43,94,67,69,80],"_links":{"self":[{"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/posts\/414"}],"collection":[{"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/users\/19"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/comments?post=414"}],"version-history":[{"count":1,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/posts\/414\/revisions"}],"predecessor-version":[{"id":415,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/posts\/414\/revisions\/415"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/media\/295"}],"wp:attachment":[{"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/media?parent=414"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/categories?post=414"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bihec.com\/kimballphysics\/wp-json\/wp\/v2\/tags?post=414"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}