Inventor
HOET ROGER
FR8 patents
Patents
8 patentsUS4644217AFeb 17, 1987
Electron tube with a device for cooling the grid base
THOMSON CSF9 citations71
US4563609AJan 7, 1986
Directly-heated cathodes
THOMSON CSF15 citations71
US4229674AOct 21, 1980
Grid of pyrolytic graphite for a high-power electron tube and a method for the assembly of said grid
THOMSON CSF12 citations71
US4728852AMar 1, 1988
Device for fixing a pyrolytic graphite grid onto the base of an electron tube
THOMSON CSF6 citations60
US4639633AJan 27, 1987
Electron tube with cathode cooling device
THOMSON CSF4 citations60
US4387320AJun 7, 1983
Electron tube with cylindrical grid of pyrolytic graphite
THOMSON CSF4 citations60
US4245379AJan 20, 1981
Method of fabrication of flat grids of pyrolitic graphite for electron tubes
THOMSON CSF1 citations50
US4488086ADec 11, 1984
Method for the manufacture of a device ensuring an electrical and thermal contact between a plurality of metal surfaces, device obtained by this method, and use of said device
THOMSON CSF0 citations39