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Browse by Category: Main > Electrical & Energy
Class Information
Number: 313/351
Name: Electric lamp and discharge devices > Electrode and shield structures > Multipointed or serrated edge electrode
Description: Electrodes and shields where the electrode or shield is provided with, (1) a plurality of pointed needle-like portions, or (2) with a serrated edge.










Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13 14

Patent Number Title Of Patent Date Issued
8710727 Field emission cathode structure Apr. 29, 2014
8624477 Carbon nanotube field emitter Jan. 7, 2014
8614581 Vacuum ionization gauge Dec. 24, 2013
8593047 Field emission unit and pixel tube for field emission display Nov. 26, 2013
8536775 Field emission lamp with mesh cathode Sep. 17, 2013
8531097 Field emitter Sep. 10, 2013
8519608 Electron source and electron beam apparatus Aug. 27, 2013
8476819 Triode-structured field emission display with anode and gate on the same substrate Jul. 2, 2013
8450920 Field emission electronic device May. 28, 2013
8446088 Field emission device for emitting white light May. 21, 2013
8421330 Carbon film having shape suitable for field emission Apr. 16, 2013
8421327 Emitter having carbon nanotubes Apr. 16, 2013
8410678 Liquid metal wetting of micro-fabricated charge-emission structures Apr. 2, 2013
8395309 Elelctron emitter and electron emission element Mar. 12, 2013
8368295 Elelctron emitter and electron emission element Feb. 5, 2013
8319414 Image display apparatus with low-potential electrode set Nov. 27, 2012
8319415 Pixel tube for field emission display Nov. 27, 2012
8304975 Electron beam apparatus and image display apparatus using the same Nov. 6, 2012
8274205 System and method for limiting arc effects in field emitter arrays Sep. 25, 2012
8212465 Field emission device Jul. 3, 2012
8193692 Surface field electron emitters using carbon nanotube yarn and method of fabricating carbon nanotube yarn thereof Jun. 5, 2012
8188644 Nanostructured composite electrode May. 29, 2012
8169134 Field emission device May. 1, 2012
8148685 Transmission electron microscope micro-grid Apr. 3, 2012
8138665 Liquid metal wetting of micro-fabricated charge-emission structures Mar. 20, 2012
8129894 Carbide nanostructures and methods for making same Mar. 6, 2012
8120238 Deep ultraviolet semiconductor optical device Feb. 21, 2012
8115207 Vacuum channel transistor and diode emitting thermal cathode electrons, and method of manufacturing the vacuum channel transistor Feb. 14, 2012
8106576 Field emission unit and pixel tube for field emission display Jan. 31, 2012
8080930 Self-regenerating nanotips for low-power electric propulsion (EP) cathodes Dec. 20, 2011
8075359 Phosphorus-doped diamond film allowing significantly reduced electron emission voltage, method for producing the same, and electron source using the same Dec. 13, 2011
8076832 Electron emitter structure and associated method of producing field emission displays Dec. 13, 2011
8076834 Field emission device with protecting vapor Dec. 13, 2011
8040034 Electron source Oct. 18, 2011
8035291 Field emission electrode, manufacturing method thereof, and electronic device Oct. 11, 2011
8026674 Electron source and method for the operation thereof Sep. 27, 2011
8022609 Thermal field emission cathode Sep. 20, 2011
8013505 Field emission electron source having a carbon nanotube needle Sep. 6, 2011
7976616 Composite discharge electrode Jul. 12, 2011
7923914 Field emission cathode device and field emission display using the same Apr. 12, 2011
7875195 Thick porous anodic alumina films and nanowire arrays grown on a solid substrate Jan. 25, 2011
7863805 Diamond electron emission cathode, electron emission source, electron microscope, and electron beam exposure device Jan. 4, 2011
7850447 Dual disc electrode Dec. 14, 2010
7847596 Electrical device for performing logic functions Dec. 7, 2010
7839067 Carbon film having shape suitable for field emission Nov. 23, 2010
7834545 Organic optoelectronic device electrodes with nanotubes Nov. 16, 2010
7824477 Ionizer mounting structure for a vehicle air conditioning system Nov. 2, 2010
7808169 Electron emitting device and electromagnetic wave generating device using the same Oct. 5, 2010
7800075 Multi-function module for an electron beam column Sep. 21, 2010
7791258 Activation effect on carbon nanotubes Sep. 7, 2010

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