Product Selection/Price Chart
EMITTER TYPE |
DESCRIPTION |
MODEL #
|
SIZE |
PRICE |
LANTHANUM HEXABORIDE (LaB6)
|
High current, High brightness single crystal; up to 30A/cm2, Large emission surfaces, Long lifetimes, 10-7torr, Custom sizes available, AEI or Custom mounting
|
ES-423E Style 90-XX |
Crystal with 90ocone, microflat size depends on column design: < 100µm dia |
$820 |
|
ES-423E Style 90-XXX |
Crystal with 90ocone, microflat size depends on column design: 100µm to 280µm | 945
|
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| ES-423E Style 90-300 |
Crystal with 90ocone, 300µm dia | 1045 | ||
|
ES-423E |
Flat crystal, 330µm dia, extends above ferrule | 1045 | ||
| LANTHANUM HEXABORIDE (LaB6) High Current, Large diameter |
Same performance as Model ES-423E LaB6 |
ES-440 | Flat crystal, 1.78mm dia | 1,520 |
TANTALUM (Ta) DISC |
General purpose planar disc cathode; 0.05-1.0 A/cm2, 10-5torr, Emission up to tens of mAs, Two larger disc sizes for higher currents |
ES-042 |
0.033" dia disc |
108 |
| ES-044 | 0.048" dia disc | 195 | ||
| ES-046 | 0.062" dia disc moly pins | 278 | ||
BARIUM OXIDE (BaO) DISC |
Low light, Low temperature; 0.25A/cm2, 10-7 torr, Emission up to 3mA, Two larger disc sizes for higher currents |
ES-015 |
0.033" dia disc |
235 |
| ES-064 | 0.048" dia disc | 298 | ||
| ES-066 | 0.062" dia disc moly pins | 384 | ||
YTTRIA COATED (Y2O3) DISC |
Chemically resistant for poorer vacuum; 10-4 torr, Low work function, Disc 2.5A/cm2, Disc emission up to 10mA, Three larger disc sizes for higher currents |
ES-525 | 0.033" dia disc | 285 |
| ES-526 | 0.048" dia disc | 376 | ||
| ES-529 | 0.062" dia disc moly pins | 450 | ||
| NOTE: Prices quoted above are for emitters on AEI ceramic bases with Kovar pins. Moly pins where noted are standard. |
For Kimball Physics ceramic base (CB-104 or CB-105) |
Add $30 | ||
| For molybdenum pins (non-magnetic applications) |
Add $45 |
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EMITTERS FOR ELECTRON MICROSCOPY
In the USA or North America, individual customers please call our retail distributor Ted Pella at 1-800-237-3526 for further information and prices on new or replacement cathodes. Overseas customers please see List of Agents or contact Kimball Physics directly.
OEM customers or overseas customers may order directly from Kimball Physics.
EMITTER TYPE |
DESCRIPTION |
MODEL #
|
SIZE |
PRICE |
LANTHANUM HEXABORIDE (LaB6)
|
Small spot, High brightness, |
ES-423E |
Crystal with various angles and microflats available |
$720 |
| ES-423E style 90-15 |
90ocone, 15 micron microflat | 720 | ||
| ES-423E style 90-20 |
90ocone, 20 micron microflat | 720 | ||
| ES-423E style 60-06 |
60ocone, 6 micron microflat | 745 | ||
TUNGSTEN (W) FILAMENT
|
General purpose / microscopy, 0.05-1.0A/cm2, Emission from tip up to 50µA, Sold in boxes of ten, Glass AEI or various microscope bases below |
ES-020 (10) |
Hairpin filament |
190 |
LaB6 CATHODES
|
TUNGSTEN (W) FILAMENTS
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