204500 ⎘
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 Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Sub-classes:SURFACE MOUNT ELECTRICAL DEVICES AND METHODS
#2METHOD FOR AMPLIFYING ELECTROMAGNETIC WAVES WITH WIREBONDED TRIODE
#3Pincer mount cathode
#4Electron gun cathode mount
#5Repeller assembly for mounting into an arc chamber of an ion implanter and arc chamber containing the repeller assembly
#6Photoelectric-surface electron source
#7Electrical device having improved surface mounting electrodes
#8Triode with wirebonded structure and method of making
#9Field emission device and field emission method
#10ENERGY BEAM IRRADIATION DEVICE
#11Gas discharge tube having enhanced ratio of leakage path length to gap dimension
#12Annular cathode for vacuum tube
#13Beam position monitors for medical radiation machines
#14X-ray generation device having multiple metal target members
#15X-ray generator
#16Dielectric barrier discharge-type electrode structure for generating plasma having conductive body protrusion on electrodes
#17X-ray tube
#18SUBSTRATE STRUCTURE
#19Cold cathode ionization vacuum gauge and inner wall protection member
#20Photocathode enhancement system
#21Ion implanter
#22Cathode housing suspension of an electron beam device
#23Corrugated Dielectric for Reliable High-current Charge-emission Devices
#24Electron gun, X-ray generator and X-ray measurement apparatus
#25Strobe device and image pickup device
#26CLOSELY SPACED ELECTRODES WITH A UNIFORM GAP
#27Rotating wheel electrode device for gas discharge sources comprising wheel cover for high power operation
#28Closely spaced electrodes with a uniform gap
#29Method for forming patterned insulating elements and methods for making electron source and image display device
#30Cathode substrate for electron emission device and electron emission device with the same
#31Electron tubes
#32Method for forming patterned insulating elements and methods for making electron source and image display device
#33Process for fabricating high current field emission cathode containing nanomaterials