Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Low work function hexaboride electron source

Low work function hexaboride electron source

US Patent 4200555 · Granted Apr 29, 1980

Estimated economic value: $64,184,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Methods for preparing hard carbon products by sulfurization and oxidation proces2025
Quantitative secondary electron detection2019
Quantitative secondary electron detection2018
Patterning methods and systems using reflected interference patterns2005
Patterning methods and systems using reflected interference patterns2004
Reduced stiction air bearing slider2001
Hydrogenated carbon composition1998
Air bearing thin film magnetic head with a wear-resistant end cap having alterna1995
Hydrogenated carbon compositions1993
Method for increasing track density of magneto-optical storage media1993
Magneto-optic recording medium with oriented Langmuir-Blodgett protective layer1992
Devices formed utilizing organic materials1986