六硼化镧阴极 (LaB6灯丝)
六硼化镧阴极Lanthanum Hexaboride (LaB6) CathodesLaB6 单晶是一种特殊结构的晶体,它具有金属的良好导电性且逸出功低,工作在1400~1680℃时,可以获得0~100A/cm2 的直流发射电流,远胜于氧化物及纯金属阴极。Kimball Physics金博尔公司(简称KPI公司)生产的六硼化镧阴极特征如下:l 更长的寿命:洁净真空中上千小时的寿命l 超常的稳定性能:耐热、化学、电、碳镀、高温等等l 高亮度,低能耗:单晶LaB6,高品质-高纯度Model ES-423E,单晶被加工成90°或者60°椎体,再根据微面分为15um、6um、20um平面等几种。常见不同品牌的电镜的灯丝基座尺寸Dimensions for EM Filament Bases:Base TypeDiameter of Ceramic disc in mmDiameter of Pins in mmCenter Distance of Pins in mmAEI12.01.06.45FEI/PHILIPS26.01.05.0JEOL K-type28.01.28.0HITACHI S-type9.81.22.7ZEISS (DSM & TEM) LEO (1450 & TEM) TESCAN19.81.05.0AMRAY (except 1200)26.1 1.05.0ISI/ABT/TOPCON 2 pins23.31.211.9ISI/ABT/TOPCON23.41.212.0 订购信息:货号产品名称Kimball ES423E-90/15 standard LaB6 tip with 90° cone and 15μm microflat perfect for SEM/TEM applications1440-110 LaB6 Cathode, C423E-90/15, with AEI base for Cambridge Instruments/Leica/LEO/ZEISS EVO, Cameca, CamScan and Electroscan 1440-112 LaB6 Cathode, A423E-90/15, for Amray 1440-114 LaB6 Cathode, P423E-90/15, for FEI/Philips except smaller AEI style on XL30 SEM 1440-116 LaB6 Cathode, Z423E-90/15, for ZEISS/LEO TEMs, ZEISS DSM SEMs, or Tescan SEMs 1440-118 LaB6 Cathode, HL423E-90/15, for Hitachi HU base 1440-119 LaB6 Cathode, H423E-90/15, for Hitachi S base 1440-122 LaB6 Cathode, J423E-90/15, for JEOL K base 1440-126 LaB6 Cathode, I423E-90/15, for ISI/ABT/Topcon 2 pin 1440-130 LaB6 Cathode, E423E-90/15, for ETEC/Perkin Elmer 1440-134 LaB6 Cathode, S423E-90/15, for Siemens base 1440-136 LaB6 Cathode, G423E-90/15, for VG Kimball ES423E-90/20 long life time, high stability tip with 90° cone and 20μm microflat mainly for analytical SEM/micro probe applications1440-210 LaB6 Cathode, C423E-90/20, with AEI base for Cambridge Instruments/Leica/LEO/ZEISS EVO, Cameca, CamScan and Electroscan 1440-212 LaB6 Cathode, A423E-90/20, for Amray 1440-214 LaB6 Cathode, P423E-90/20, for FEI/Philips except smaller AEI style on XL30 SEM 1440-216 LaB6 Cathode, Z423E-90/20, for ZEISS DSM SEMs or Tescan SEMs 1440-219 LaB6 Cathode, H423E-90/20, for Hitachi S base 1440-222 LaB6 Cathode, J423E-90/20, for JEOL K base 1440-226 LaB6 Cathode, I423E-90/20, for ISI/ABT/Topcon 2 pin 1440-230 LaB6 Cathode, E423E-90/20, for ETEC/Perkin Elmer 1440-234 LaB6 Cathode, S423E-90/20, for Siemens base 1440-236 LaB6 Cathode, G423E-90/20, for VG 1440-310 LaB6 Cathode, C423E-60/6, with AEI base 1440-314 LaB6 Cathode, P423E-60/6, for FEI/Philips (except smaller AEI style on XL30 SEM) 1440-316 LaB6 Cathode, Z423E-60/6, for ZEISS/LEO TEMs or Tescan SEMs 1440-318 LaB6 Cathode, HL423E-60/6, for Hitachi HU base Kimball ES423E-60/6 high resolution/high brightness tip with 60° cone and 6μm microflat for use in TEMs (rarely used for SEMs)1440-319 LaB6 Cathode, H423E-60/6, for Hitachi S base 1440-322 LaB6 Cathode, J423E-60/6, for JEOL K base 1440-326 LaB6 Cathode, I423E-60/6, for ISI/ABT/Topcon 2 pin 1440-334 LaB6 Cathode, S423E-60/6, for Siemens base 1440-336 LaB6 Cathode, G423E-60/6, for VG