Kimball Physics, Inc. Technical Bulletin # LaB6- 01B May 1991 P.B. Sewell GENERAL GUIDELINES FOR OPERATING ES-423E LaB6 CATHODES
![Denka M3 LaB6 with 90° cone angle 15μm round tip for FEI, Philips, Amray – EMSIS ASIA – Electron Microscopy Imaging Company Denka M3 LaB6 with 90° cone angle 15μm round tip for FEI, Philips, Amray – EMSIS ASIA – Electron Microscopy Imaging Company](http://emsisasia.com/wp-content/uploads/2015/12/M3-KF.jpg)
Denka M3 LaB6 with 90° cone angle 15μm round tip for FEI, Philips, Amray – EMSIS ASIA – Electron Microscopy Imaging Company
![Denka M3 LaB6 cathode, FEI/Philips base, 90 degrees/15µm round tip for FEI TEM/SEM and Philips EM200 TEM & PSEM 500 and later (except XL-30) - Edge Scientific Denka M3 LaB6 cathode, FEI/Philips base, 90 degrees/15µm round tip for FEI TEM/SEM and Philips EM200 TEM & PSEM 500 and later (except XL-30) - Edge Scientific](https://edgescientific.com/wp-content/uploads/2016/06/14-AM3302.jpg)
Denka M3 LaB6 cathode, FEI/Philips base, 90 degrees/15µm round tip for FEI TEM/SEM and Philips EM200 TEM & PSEM 500 and later (except XL-30) - Edge Scientific
![An ultrabright and monochromatic electron point source made of a LaB6 nanowire | Nature Nanotechnology An ultrabright and monochromatic electron point source made of a LaB6 nanowire | Nature Nanotechnology](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fnnano.2015.276/MediaObjects/41565_2016_Article_BFnnano2015276_Fig1_HTML.jpg)
An ultrabright and monochromatic electron point source made of a LaB6 nanowire | Nature Nanotechnology
![Denka M3 LaB6 with 90° cone angle 15μm round tip for Zeiss EVO, LEO, Cambridge, Cam Scan, Philips XL-30 – EMSIS ASIA – Electron Microscopy Imaging Company Denka M3 LaB6 with 90° cone angle 15μm round tip for Zeiss EVO, LEO, Cambridge, Cam Scan, Philips XL-30 – EMSIS ASIA – Electron Microscopy Imaging Company](http://emsisasia.com/wp-content/uploads/2015/12/M3-CA.jpg)
Denka M3 LaB6 with 90° cone angle 15μm round tip for Zeiss EVO, LEO, Cambridge, Cam Scan, Philips XL-30 – EMSIS ASIA – Electron Microscopy Imaging Company
![Kimball ES-423E LaB6 cathode, Zeiss base - 60 degrees/6?m round tip for Zeiss TEMs and LEO TEMs - Labtech Kimball ES-423E LaB6 cathode, Zeiss base - 60 degrees/6?m round tip for Zeiss TEMs and LEO TEMs - Labtech](https://www.labtech.com/wp-content/uploads/2022/06/14-ZS3510.jpg)
Kimball ES-423E LaB6 cathode, Zeiss base - 60 degrees/6?m round tip for Zeiss TEMs and LEO TEMs - Labtech
![Schoehn Guy on Twitter: "Our T12 LaB6 filament was used to its limit and may be beyond....I've never seen this before! Thanks Luc for replacing it! https://t.co/k104xdfJeg" / Twitter Schoehn Guy on Twitter: "Our T12 LaB6 filament was used to its limit and may be beyond....I've never seen this before! Thanks Luc for replacing it! https://t.co/k104xdfJeg" / Twitter](https://pbs.twimg.com/media/FGWGgpPXMAsawkg.jpg)
Schoehn Guy on Twitter: "Our T12 LaB6 filament was used to its limit and may be beyond....I've never seen this before! Thanks Luc for replacing it! https://t.co/k104xdfJeg" / Twitter
Comparison of Three Filament Materials for SEM: LaB6, CeB6, Tungsten - Advanced Ceramic Materials - Quora
![Denka M3 LaB6 cathode, AEI Base, 90 degrees/15µm round tip for Zeiss EVO, LEO, Leica, CamScan, Cambridge Instruments and Philips XL-30 SEMs - Edge Scientific Denka M3 LaB6 cathode, AEI Base, 90 degrees/15µm round tip for Zeiss EVO, LEO, Leica, CamScan, Cambridge Instruments and Philips XL-30 SEMs - Edge Scientific](https://edgescientific.com/wp-content/uploads/2016/06/14-AE3301-Denka-M3-LaB6-cathode-AEI-Base-2.jpg)