Lanthanum Hexaboride Cathode with Guard Ring 六硼化镧带保护环阴极
Small diameters with microflats
Brightness >106 A/cm2/sr
Operating pressure < 10-7 torr
Small spot, long lifetime
Emission current densities up to 30 A/cm2
Available on many bases
Lanthanum Hexaboride Cathode with Guard Ring 六硼化镧带保护环阴极
Small diameters with microflats
Brightness >106 A/cm2/sr
Operating pressure < 10-7 torr
Small spot, long lifetime
Emission current densities up to 30 A/cm2
Available on many bases