Patent ID: 9275825
Filing Date: 2016-03-01
CPC Classification: H01J

Claim Text:
1. An electron microscope specimen holder comprising a specimen tip, at least one electrical noise minimizer, a holder rod, a holder handle, at least one shielded cable running from the specimen tip down the length of the holder rod to the holder handle, wherein the at least one electrical noise minimizer comprises one of the following combinations, (a) a low-noise power supply and at least one triaxial/coaxial connector; (b) an amplifier/preamplifier in the holder handle; (c) a low-noise power supply, at least one triaxial/coaxial connector, and an amplifier/preamplifier in the holder handle; (d) an A/D and/or D/A signal converter in the holder handle; (e) a low-noise power supply, at least one triaxial/coaxial connector, and an A/D and/or D/A signal converter in the holder handle; (f) an amplifier/preamplifier and an A/D and/or D/A signal converter in the holder handle; or (g) a low-noise power supply, at least one triaxial/coaxial connector, and an amplifier/preamplifier and an A/D and/or D/A signal converter in the holder handle.