Radiant energy – Inspection of solids or liquids by charged particles – Analyte supports
Patent
1979-12-18
1981-04-14
Anderson, Bruce C.
Radiant energy
Inspection of solids or liquids by charged particles
Analyte supports
250443, G01N 2100, G01N 2300, H01J 3700
Patent
active
042621941
ABSTRACT:
A cold stage for an electron microscope, said cold stage being arranged to reduce relative motion between the sample holder and the objective lens. The cold stage consists of an annular stainless steel body on which is coaxially bolted a plastic insulator ring with a plurality of spaced upstanding short vertical posts. A central arbor of gold-plated copper has outwardly projecting radial lugs engaged on and bolted to said posts. Connected to another radial lug projecting from the arbor is a laminated thermally conducting strap member consisting of 40 superposed thin flexible leaves of heat-softened copper, with a 180.degree. blend to absorb vibrations from the associated cold finger, or heat transfer rod, leading from a liquid nitrogen cooling source.
REFERENCES:
patent: 2858444 (1958-10-01), Leisegang
patent: 3171955 (1965-03-01), Cardile
patent: 3244877 (1966-04-01), Herrmann et al.
patent: 3373277 (1968-03-01), Heide
Anderson Bruce C.
The United States of America as represented by the Department of
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