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Class 313/256 - Insulating or ceramic support rod or tube


Subclass of Class 313 - Electric lamp and discharge devices
Definition: Discharge devices where the supporting structure is a rod
No. of patents: 22
Last issue date: 05/18/2010


NumberTitleIssue Date
7719176Spacer configured to prevent electric charges from being accumulated on the surface thereof and electron emission display including the spacer
A spacer, disposed between first and second substrates of an electron emission display, includes a main body, a resistive layer arranged on a side surface of the main body, a secondary electron emission preventing layer arranged on the resistive layer, and a diffusi...
05/18/2010
7397174Image displaying apparatus
An image displaying apparatus which can easily fix an electrode plate to a predetermined position is provided. An electric potential of the electrode plate, a distance between the electrode plate and a first substrate, and a distance between the electrode plate and ...
07/08/2008
7042146Electron gun structure for a cathode-ray tube
The disclosure describes an electron gun having cathode support structure which comprises an eyelet that surrounds a cathode and is welded to the cathode, and a metal plate 150 substantially parallel to the longitudinal axis of the gun. The metal plate has a ...
05/09/2006
5936343Image forming apparatus having a low resistance support member
An image forming apparatus includes a substrate, an electron-emitting device, a wiring electrode for applying an input signal to the electron-emitting device, and an image forming member to which an electron emitted from the electron-emitting device is ir...
08/10/1999
5852302Cylindrical multiple-pole mass filter with CVD-deposited electrode layers
A quadrupole mass filter, or a multiple-pole mass filter in general, composed of a cylindrical main body made of an insulating material and having a star-shaped cross-sectional profile whose inward bulges are curved substantially hyperbolic, and four elec...
12/22/1998
5644131Hyperbolic ion trap and associated methods of manufacture
A hyperbolic ion trap is provided that includes a glass ring electrode and first and second glass end-cap electrodes. Hyperbolic surfaces of the electrodes are coated with a conductive material. The glass ring electrode and glass end-cap electrodes are fo...
07/01/1997
5589731Internal support structure for flat panel device
A flat panel device contains a faceplate, a backplate, a light-emitting mechanism, and a spacer. The faceplate is connected to the backplate to form a sealed enclosure. The spacer is situated within the enclosure and supports the two plates against forces...
12/31/1996
5448131Spacer for flat panel display
A spacer 40 for use in a field emission device includes a comb-like structure having a plurality of elongated filaments 42 joined to a support member 44. The filaments 42, which may be glass, are positioned longitudinally in a single layer between the fac...
09/05/1995
5373157Quadrupole electrode and process for producing the same
The present invention relates to improvement of a quadrupole electrode for use in a mass spectrometer or the like, in which two pairs of electrode rods 1, 2, 3 and 4 formed in such a manner that the section of the opposed face of each rod is hyperbolic or...
12/13/1994
5159235Hollow lamp bridge
A lamp bridge may be formed from a siliceous hollow tube positioned between and melted to bridge supports. The hollow tube melts more quickly, and more completely, and therefore bonds stress free and more durable to the bridge supports....
10/27/1992
5003219Fixed construction for plate electrodes in a flat display unit
A fixed construction for plate electrodes in a flat display unit, wherein holes provided along a common axis through a plurality of plate electrodes have a diameter smaller than that of a tapered insulating pin to be inserted therein, and the peripheral p...
03/26/1991
4900973Electron tube sealing structure
In an electron tube sealing structure, a cylindrical insulator is metallized to produce metallized layers on both end surfaces, and sealing metal members are soldered to the metallized layers correspondingly, so that a vacuum chamber is provided in the in...
02/13/1990
4885500Quartz quadrupole for mass filter
A quartz quadrupole comprises a quartz substrate, conductive strips and low-conductivity strips. The substrate includes hyperbolic inner surfaces which provide the geometry for the conformed conductive strips to produce an appropriate electric field for m...
12/05/1989
4853586Vacuum tube including an electron-optical system
By using micro-connection techniques, for example by means of ceramic glass and conducting glass, an electron-optical system can be manufactured with which the emitted beam can be deflected through 90° within a very short distance (of the order of severa...
08/01/1989
4748369Electron gun assembly useful with traveling wave tubes
An electron gun for a vacuum tube employs a mounting element having an inner annular section with a defined thickness made to predetermined dimensional tolerances. The cathode subassembly is positioned on one surface of the annular section and a grid elec...
05/31/1988
4547693Re-entrant cathode support
An electron tube having a cathode and an anode with the anode subtantially surrounding the cathode and providing an electron-interaction space therebetween for providing a magnetic field having a substantial component oriented in the axial direction trave...
10/15/1985
4400644Self-indexing insulating support rods for an electron gun assembly
A novel electron gun assembly having at least one generally longitudinally-extending electron beam path includes a plurality of electrodes attached to at least two electrically-insulating support rods. Each of the support rods has a surface having at leas...
08/23/1983
4053802High-voltage vacuum tube, particularly an x-ray tube
A high-voltage, high vacuum electron discharge tube particularly an X-ray tube, having a metal envelope and an anode insulatingly mounted within the envelope. To avoid the deleterious effects of charge formed on the insulator surface, the insulator is for...
10/11/1977
3986066Electron beam generating system with cathode
In an electron beam generating system including a cathode, a Wehnelt electrode, an anode, three groups of at least two electrically conductive rods, the rods of each group being connected to a respective one of the cathode, the Wehnelt electrode and the a...
10/12/1976
3983442Electron gun cathode support structure
The invention relates to an electron gun for a color television picture tube which has a rapid heating characteristic to produce electron emission in a short time. The indirectly heated electron emission portion of the cathode is supported from thin conto...
09/28/1976
3979626Electrostatic focusing arrangements
In electron beam discharge tubes breakdown in the form of a gaseous arc can occur. An improved form of electrode which protects an insulating support against local high-stress fields is described. The electrode has a conductive shield extending to the oth...
09/07/1976
3978363High-voltage mechanical support for gas discharge device
Ceramic support is mounted between the housing and an electrode to physically support the electrode with respect to the housing. Mechanical support is provided in an environment of high electrical potential in a gaseous environment where Paschen breakdown...
08/31/1976
 
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