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Lanthanum hexaboride filaments

Kimball Physics single crystal lanthanum hexaboride (LaB6) cathodes are available for most makes of electron microscopes and other electron beam instruments.

All prices exclude VAT.
Name & Code
Grouped product items
Code & Description Availability Price Qty
AGA0692-9015
LaB6 Filament 90/15 on AEI Base for Camscan, Cameca, Electroscan, Cambridge Instruments, LEO/Leica/Zeiss
Average lead time: 13 days
Average lead time: 13 days
£1,080.60
£1,080.60
AGA0692-9020
LaB6 Filament 90/20 on AEI Base for Camscan, Cameca, Electroscan, Cambridge Instruments, LEO/Leica/Zeiss
Average lead time: 20 days
Average lead time: 20 days
£1,080.60
£1,080.60
AGA0692-6006
LaB6 Filament 60/06 on AEI Base for Camscan, Cameca, Electroscan, Cambridge Instruments, LEO/Leica/Zeiss
Average lead time: 44 days
Average lead time: 44 days
£794.73
£794.73
AGA0690-9015
LaB6 Filament 90/15 on FEI/Philips Base (not XL30)
Average lead time: 20 days
Average lead time: 20 days
£1,080.60
£1,080.60
AGA0690-9020
LaB6 Filament 90/20 on FEI/Philips Base (not XL30)
Average lead time: 44 days
Average lead time: 44 days
£1,080.60
£1,080.60
AGA0690-6006
LaB6 Filament 60/06 on FEI/Philips Base (not XL30)
Average lead time: 44 days
Average lead time: 44 days
£1,080.60
£1,080.60
AGA0691-9020
LaB6 Filament 90/20 on FEI XL30 Base
Average lead time: 44 days
Average lead time: 44 days
£1,080.60
£1,080.60
AGA0693-9015
LaB6 Filament 90/15 on JEOL K Base
Average lead time: 13 days
Average lead time: 13 days
£887.61
£887.61
AGA0693-9020
LaB6 Filament 90/20 on JEOL K Base
Average lead time: 44 days
Average lead time: 44 days
£1,533.76
£1,533.76
AGA0693-6006
LaB6 Filament 60/06 for JEOL K Base
Average lead time: 29 days
Average lead time: 29 days
£995.00
£995.00
AGA0694-9015
LaB6 Filament 90/15 on Zeiss Base (please specify make & model)
Average lead time: 44 days
Average lead time: 44 days
£887.61
£887.61
AGA0694-9020
LaB6 Filament 90/20 on Zeiss Base (please specify make & model)
Average lead time: 44 days
Average lead time: 44 days
£1,080.60
£1,080.60
AGA0694-6006
LaB6 Filament 60/06 on Zeiss Base (please specify make & model)
Average lead time: 44 days
Average lead time: 44 days
£794.73
£794.73
AGA0695-9015
LaB6 Filament 90/15 on ISI/ABT/Topcon two pin Base
Average lead time: 44 days
Average lead time: 44 days
£794.73
£794.73
AGA0695-9020
LaB6 Filament 90/20 on ISI/ABT/Topcon two pin Base
Average lead time: 44 days
Average lead time: 44 days
£794.73
£794.73
AGA0695-6006
LaB6 Filament 60/06 on ISI/ABT/Topcon two pin Base
Average lead time: 20 days
Average lead time: 20 days
£794.73
£794.73
AGA0698-9015
LaB6 Filament 90/15 on Hitachi S Base
Average lead time: 44 days
Average lead time: 44 days
£978.53
£978.53
AGA0698-9020
LaB6 Filament 90/20 on Hitachi S Base
Average lead time: 44 days
Average lead time: 44 days
£794.73
£794.73
AGA0698-6006
LaB6 Filament 60/06 on Hitachi S Base
Average lead time: 44 days
Average lead time: 44 days
£794.73
£794.73
Product Description
  • High current, high brightness, single crystal
  • Emission current densities up to 30A/cm2
  • Range of emission surface sizes
  • Long lifetimes
  • Operating pressure <10-7 torr

Kimball Physics single crystal lanthanum hexaboride (LaB6) cathodes are available for most makes of electron microscopes and other electron beam instruments where a suitable gun vacuum in the region of 10-7 Torr is attainable. The filament heater can then be driven by the normal power supply of the microscope.

Brightness above 1 x 106 Amp/cm2 steradian is achievable.

For SEM applications, the higher brightness provides better imaging resolution and improved efficiency for microanalysis. For TEM, the low energy spread of the LaB6 filament is particularly advantageous for high resolution imaging. Alternatively, LaB6 filaments may be used where a long filament life is important; lifetimes in excess of six months continuous operation are regularly achieved.

Technical Data
LEAD TIMES: Average Lead Times are shown individually in working days for any products not currently in stock. Whilst we regularly update this, actual Lead Times can vary due to supply chain fluctuations.