Product Selection / Price Chart
Click on any cathode below to view additional specifications or to request a quote. Quotes are determined by style and base type, including fitting a specific cathode to a customer supplied base.
To view products for SEM/TEM instruments and manufacturers, see Cathodes/Emitters for Microscopy.
Emitters Product Selection/Price Chart | ||||
Emitter Type | Description | Model # (style) | Size | Price |
---|---|---|---|---|
Lanthanum Hexaboride (LaB6) Single crystal with various microflat diameters ![]() |
|
ES-423E Style 90-XX |
Crystal with 90° cone, microflat size depends on column design: < 100 μm dia |
$875 |
ES-423E Style 90-15 Style 90-20 |
See Emitters for Microscopy Chart | |||
ES-423E Style 90-XXX |
Crystal with 90° cone, microflat size depends on column design: 100 μm to 280 μm dia | $945 | ||
ES-423E Style 90-300 |
Crystal with 90° cone, 300 μm dia | $1,045 | ||
ES-423E Style 180-330 |
Flat crystal, 330 μm dia, extends above ferrule | $1,045 | ||
Lanthanum Hexaboride (LaB6) Single crystal in guard ring ![]() |
|
ES-423E - GR Style 90-XXX |
Crystal with 90° cone, guard ring surrounds cone. Microflat range 5 μm to 250 μm | $2,120 |
Lanthanum Hexaboride (LaB6) High current, large diameter ![]() |
|
ES-440 | Flat crystal, 1.78 mm dia | $1,715 |
Tantalum (Ta) Disc ![]() |
|
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 ![]() |
|
ES-015 | 0.033" disc dia | $235 |
ES-064 | 0.048" dia disc | $298 | ||
ES-066 | 0.062" dia disc moly pins | $384 | ||
Yttria Coated (Y2O3) Disc ![]() |
|
ES-535 | 0.033" dia disc | $395 |
ES-535W | 0.033" dia disc | $285 | ||
ES-526 | 0.048" dia disc | Request a Quote | ||
ES-529 | 0.062" dia disc moly pins | Request a Quote | ||
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 |