★★★★★ 5
Good quality
light and blends pretty well
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Reviewed in the United States on February 6, 2026
Kimball Lanthanum Hexaboride (LaB6) Cathodes for Electron Microscopes
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Kimball Lanthanum Hexaboride (LaB6) Cathodes for Electron MicroscopesHeating current path through precision machined, single piece carbon rod and mounting strips; sub base provides rigidity and easier mounting. The Kimball Physics ES 423E (Extended Life) Lanthanum Hexaboride Cathode is a high performance, resistively heated, thermionic electron source. It is currently used in many electron optical systems: SEM's, TEM's, microprobes, electron lithography systems, etc. This superior LaB6 source gives a greater brightness
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