Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 251 - 300 out of 3,739

Document Document Title
WO2003067627A9
A circuit is described for applying RF and AC voltages to the elements or electrodes of an ion trap or ion guide. The circuit includes an RF transformer having a primary winding and a secondary winding. The secondary winding includes at ...  
WO/2004/045267A2
The invention comprises a method of fabricating a vacuum microtube device comprising the steps of forming a cathode layer comprising an array of electron emitters, forming a gate layer comprising an array of openings for passing electron...  
WO2003050848A9
An electron-emitting device (20, 70, 80, or 90) contains an electrode, either a control electrode (38) or an emitter electrode (32), having a specified portion situated off to the side of the bulk of the electrode. For a control electrod...  
WO2003090191A9
An electron emitting structure, for example, for use as a cathode plate of a field emission display (FED). The structure comprises a substrate, base electrodes formed on the substrate and gate electrodes crossing over the base electrodes...  
WO2003071571A8
The invention concerns a triode-type cathode structure comprising, superimposed, an electrode forming a cathode (13) and supporting means made of layered electron emitting material (14), an electrical insulation layer (11) and a gate ele...  
WO/2004/036269A2
A single, hard-mounted set of optics is utilized to replace a two field-of-view system for directed countermeasures. It includes within one continuous but distorted field of view the capability to detect, acquire and characterize targets...  
WO2003081965A8
The invention relates to gas-discharge high-vacuum devices. Said invention makes it possible to increase the efficiency of electron beam extraction and the gas and energy efficiency. The inventive plasma electron-emitting source comprise...  
WO/2004/032171A1
The invention relates to a field emission device, and a method of manufacturing same. The field emission device comprises a gate electrode (140, 340, 440) which is provided with a pattern of electron passing apertures (135, 335, 435). Th...  
WO2003104846A3
An SEM compatible sample holder having a sample enclosure element (100) with a beam permeable /fluid impermeable membrane (108) over an aperture (106) to secure a fluid sample for observation with an electron beam.  
WO/2004/030424A2
A particle accelerator system (100) for producing a charged particle beam having pulses of charged particles that have different energy levels from pulse to pulse. The system enables independent adjustment of the RF power delivered to fi...  
WO/2004/027813A1
System (350) and method of gas-cluster ion beam processing is realized by incorporating improved beam and workpiece neutralizing components (122). Larger GCIB current transport is enabled by low energy electron neutralization of space ch...  
WO/2004/023564A2
The invention relates to a semiconductor device (10) comprising a semiconductor element (1), particularly a solid-state image sensor (1), comprising a semiconductor body (11) of which one surface comprises an optically active part (1A) a...  
WO/2004/021390A1
A display device has a display screen for displaying image information, and cathode means comprising an emitter material for emitting electrons. The emitted electrons are collected by an electron concentrator which redistributes the elec...  
WO2003032022A3
An apparatus and method for fast changing a focal length of a charged particle beam the method comprising the step of changing a control signal in response to a relationship between the control signal voltage value and the focal length o...  
WO/2004/019366A1
A resistor (4) in an electron gun structure for applying voltages divided at a specified resistance division ratio to electrodes provided in the electron gun structure, comprising an insulating substrate (52), a plurality of electrode el...  
WO2003104848A3
A method of visualizing a sample in a wet environment including introducing a sample into a specimen enclosure in a wet environment and scanning the sample in the specimen enclosure in a scanning electron microscope, thereby visualizing ...  
WO2003049133A3
An electron collector assembly for an electron beam tube comprises an electron collector (2), which is at least partially surrounded by dielectric material, such as a dielectric fluid (5). A heat pipe (6), in communication with the diele...  
WO2003081286A3
A swinging objective retarding immersion lens system and method where a particle source (102) creates a beam of charge particles which are focused and whose energy is controlled by a magnetic lens (115) and a plurality of deflection elec...  
WO/2004/006281A2
Axially symmetric magnetic fields are provided about the longitudinal axis of each beam of a multi-beam electron beam device (MBEBD). A flux equalizer assembly is disposed between the cathodes and the anodes and near the cathodes of a (M...  
WO/2004/006282A1
A matrix display device comprises cavities (20) having walls at least one of which is covered with a material (24) having a secondary emission coefficient of more than unity. The cavities form a planar arrangement substantially parallel ...  
WO/2004/001795A2
A field emitter cell (10) includes a thin film emitter (22) normal to the gate layer (18). The field emitter cell (10) may include a conductive substrate layer (12), and insulator layer (16) having a perforation (30), a gate layer (18) h...  
WO/2003/107383A1
An electronic optical lens barrel suitable for miniaturizing and a production method therefore. A barrel body (1) is provided with an inner tube (11) and an outer tube (12), and consists of high-resistance, conductive ceramics in its ent...  
WO2003071577A3
The invention relates to a channel spark source, triggered by gas discharge, for generating stable, focussed electron beams. Said source is characterised by a gas supply with a pressure differential of 10<-4> Pascal between the hollow ca...  
WO/2003/104848A2
A method of visualizing a sample in a wet environment including introducing a sample into a specimen enclosure in a wet environment and scanning the sample in the specimen enclosure in a scanning electron microscope, thereby visualizing ...  
WO/2003/104846A2
An SEM compatible sample holder having a sample enclosure element (100) with a beam permeable /fluid impermeable membrane (108) over an aperture (106) to secure a fluid sample for observation with an electron beam.  
WO/2003/098657A1
A gun with a cold cathode is disclosed in the present invention. A cold cathode made of a material for a cold cathode is held on a base, a mesh gate is right over the cold cathode, a focusing electrode in a circular hole-shape is right o...  
WO/2003/094193A1
A cold cathode electric field electron emission display device at least includes a display panel, a focusing electrode control circuit (41), a resistor element (R), and a capacitor (C). The display panel includes a cathode panel (CP) hav...  
WO2003065400A3
A cap, intended to protect an electron gun, particularly a field emission electron gun, during manufacture of a tube. The cap comprises an aperture, and an attenuator to block the aperture during at least one point in time. The attenuato...  
WO/2003/090191A2
An electron emitting structure, for example, for use as a cathode plate of a field emission display (FED). The structure comprise substrate (602), base electrodes (604a, 604b) formed on the substrate and gate electrodes (608a,..., 6QSf) ...  
WO/2003/090241A2
An electron emitting structure (500) having deflectable electrodes, such as found in grating light valves (GLVs) is provided. In one implementation, the structure (500) includes a substrate (502) having base electrodes (504a, 504b) and g...  
WO2003049139A9
The invention concerns a source supplying an adjustable energy electron beam, comprising a plasma chamber (P) consisting of an enclosure (1) having an inner surface of a first value (S1) and an extraction gate (2) having a surface of a s...  
WO2002061790A3
A microcathode which integrates both an electron emitter, or cathode, and an extractor electrode. The electron emitter is attached to the back side of a thin film microstructure on a first surface of a substrate. Electrons are emitted fr...  
WO2003050848A3
An electron-emitting device (20, 70, 80, or 90) contains an electrode, either a control electrode (38) or an emitter electrode (32), having a specified portion situated off to the side of the bulk of the electrode. For a control electrod...  
WO/2003/081286A2
A swinging objective retarding immersion lens system and method where a particle source (102) creates a beam of charge particles which are focused and whose energy is controlled by a magnetic lens (115) and a plurality of deflection elec...  
WO/2003/081629A1
Electron source for generating an electron beam comprising: − at least one cold−emission cathode (20), − a substantially pyramid−shaped emissive electrode (31), covered with a layer (37) of material having a secondary emission co...  
WO/2003/081965A1
The invention relates to gas-discharge high-vacuum devices. Said invention makes it possible to increase the efficiency of electron beam extraction and the gas and energy efficiency. The inventive plasma electron-emitting source comprise...  
WO2003054901A3
The invention describes a vacuum electronic device comprising an electron source having at least one cathode for emitting of electrons, at least one electron beam guidance cavity for concentrating electrons emitted from the cathode, said...  
WO2002065499A3
A light-emitting device is provided with getter material (58) that can readily be distributed in a relatively uniform manner across the device's active light-emitting portion. An electron-emitting device is similarly provided with getter...  
WO2003058668A3
A field emission device having emitter tips and a support layer for a gate electrode is provided. Openings in the support layer and the gate layer are sized to provide mechanical support for the gate electrode. Cavities may be formed and...  
WO/2003/071577A2
The invention relates to a channel spark source, triggered by gas discharge, for generating stable, focussed electron beams. Said source is characterised by a gas supply with a pressure differential of 10-4 Pascal between the hollow cath...  
WO/2003/071574A1
The invention relates to electron injectors used for television kinescopes, X-ray tubes and electron accelerators. The inventive electron injector comprises a flat auto-emission cathode, a suspended flat control conductive grid which con...  
WO/2003/071571A1
The invention concerns a triode-type cathode structure comprising, superimposed, an electrode forming a cathode (13) and supporting means made of layered electron emitting material (14), an electrical insulation layer (11) and a gate ele...  
WO/2003/069649A1
A high−performance electron emitter capable of emitting electrons at low voltage with high luminance and leading to further improvement of the electron emission characteristic of a Spindt−type cold cathode, a carbon nanotube, and a c...  
WO2002103740A3
An electron lens is used for focusing electrons from a cathode (10) to an anode (30). The lens includes a first conductive layer (36) with a first opening (38) at a first distance (48) from the cathode (10). The first conductive layer (3...  
WO/2003/067627A1
A circuit is described for applying RF and AC voltages to the elements or electrodes of an ion trap or ion guide. The circuit includes an RF transformer having a primary winding and a secondary winding. The secondary winding includes at ...  
WO/2003/065400A2
A cap, intended to protect an electron gun, particularly a field emission electron gun, during manufacture of a tube. The cap comprises an aperture, and an attenuator to block the aperture during at least one point in time. The attenuato...  
WO/2003/063184A1
An electron beam delivery system for directing beam pulses to desired positions on a product that is following a path close to said system, comprising: accelerator means for delivering a pulsed beam of charged particles&semi and a direct...  
WO/2003/063120A1
An apparatus and method for regulating the emission current from a single (macroscopic) field emitter (3), from groups of emitters within a large (microscopic) array, or from each cell within an array is described. The apparatus includes...  
WO/2003/060944A1
An apparatus (20) for producing an electron beam (34), containing a vacuum chamber (16), a source of electron beams (332) within the vacuum chamber, and a device for focusing the electron beams. An electron transparent window (12) is for...  
WO/2003/058668A2
A field emission device having emitter tips and a support layer for a gate electrode is provided. Openings in the support layer and the gate layer are sized to provide mechanical support for the gate electrode. Cavities may be formed and...  

Matches 251 - 300 out of 3,739