204484 ⎘
Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps Screens for shielding; Guides for influencing the discharge; Masks interposed in the electron stream
Electron gun, electron beam applicator, emission axis verification method for electron beam emitted from photocathode, and emission axis alignment method for electron beam emitted from photocathode
#2Stepped indirectly heated cathode with improved shielding
#3Charged particle device, structure manufacturing method, and structure manufacturing system
#4Electron transparent membrane for cold cathode devices
#5Ionization gauge for high pressure operation
#6Ionization gauge for high pressure operation
#7Proximity mask for ion implantation with improved resistance to thermal deformation
#8Fast start dimmable induction RF fluorescent light bulb
#9Fast start induction RF fluorescent light bulb
#10Induction RF fluorescent lamp with load control for external dimming device
#11DIMMABLE INDUCTION RF FLUORESCENT LIGHT BULB
#12Dimmable induction RF fluorescent lamp with reduced electromagnetic interference
#13Light emitting device
#14PLASMA SHIELD DEVICE AND PLASMA SOURCE APPARATUS
#15Lamp for replacing a fluorescent tube
#16Superhydrophobic electromagnetic field shielding material and method of preparing the same
#17Magnetically insulated cold-cathode electron gun
#18Industrial hollow cathode with radiation shield structure