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Matches 251 - 300 out of 2,571

Document Document Title
WO/2001/022464A1
A ferromagnetic alloy with a Curie temperature above that of pure iron is used as a support material for a device that serves as a source of mercury and/or a gas absorber (getter) and/or an electrode shield in fluorescent lamps.  
WO/2001/008191A2
An apparatus for removing contaminants from a display device (400) is disclosed. In one embodiment, an auxiliary chamber (408) is adapted to be coupled to a surface of a display device (400) such that contaminants within the display devi...  
WO/2001/001436A1
Evaporable getter devices for calcium evaporation based on the use of the compound CaAl¿2? are described, which allow to obtain in the kinescope of televisions and computer screens calcium films having gas sorption properties comparable...  
WO/2000/075950A1
Are described composite materials capable of hydrogen sorption even after exposition to high quantities of passivating gases such as water and oxygen, formed of non-evaporable getter materials whose surface is at least partially coated b...  
WO/2000/065628A1
A device (10) for introducing hydrogen into a flat display (14) of the field emission or plasma addressed liquid crystal type is described, formed of a reservoir (11) containing a hydrogen accumulator material (21) connected to the inter...  
WO/2000/061384A1
A remote plasma generator (12), coupling microwave frequency energy to a gas and delivering radicals to a downstream process chamber (14), includes several features which, in conjunction, enable highly efficient radical generation. In th...  
WO/2000/058992A1
A tendency for a discontinuity to occur in the amount of power reflected back to an r.f. bias source of a vacuum plasma processor is overcome by controlling the r.f. bias source output power so the power delivered to plasma in a vacuum p...  
WO/2000/058989A1
A high pulse repetition frequency (PRF) plasma gun is provided, which gun inlets (74) a selected propellant gas into a column (16) formed between a center electrode (12) and a coaxial outer electrode (14), utilizes a solid state high rep...  
WO/2000/049639A1
The invention relates to an ionization chamber for ion beams and a method for monitoring the intensity of an ion therapy beam by means of said ionization chamber. The ionization chamber comprises a housing, a beam inlet window (3) and a ...  
WO/2000/048217A1
A cathode ray tube, which has a getter assembly (18) for providing proper vacuum conditions within the tube. The getter assembly (18) comprises a resilient strip (19) having a first end portion (23) and a second end portion (25), and is ...  
WO/2000/033344A1
The present invention is a system and method for reducing the voltage necessary to produce a glow discharge in a gas (14). This is done by fabricating the cathode (20) in a gas discharge out of a conductive material that is permeable to ...  
WO/2000/030143A1
An apparatus for removing contaminants from a display device using an auxiliary chamber (408), and a method for attaching the auxiliary chamber to the display device. In one embodiment, an auxiliary chamber is adapted to be coupled to a ...  
WO/2000/028568A1
Evaporable getter devices (10) are described, with reduced loss of particles, formed of a metallic holder open at the top, containing a packet of powders of the mixture nickel-BaAl4, also comprising one or more crown-shaped metal members...  
WO/2000/010643A1
A cathode structure comprising a getter material provided with a diamond film. The getter material may include zirconium, vanadium and iron. Cathode structures may have a substantially rounded configuration including a substantially stra...  
WO/2000/007209A1
A process for the production of barium-based evaporable getter devices with reduced particle loss is described, comprising the coating of the free surface (13) of the powder package (12) of the device with a vitreous layer (30) obtained ...  
WO/2000/004566A1
The present invention relates to an image display panel (1) having a substrate (21) having at least one channel (31, 32, 33, 34, 35) comprising an ionizable gas mixture (51). The walls of the channels are provided with electrodes (37, 39...  
WO/1999/059186A1
A small-sized electronic tube in which a photoelectric surface is efficiently cooled while preventing the formation of dew. A housing (20) has an airtight structure that encloses a case (21) and a socket (23). A photomultiplier tube (10)...  
WO/1999/048125A1
A novel composition comprising organic polymer molecules having carbon-carbon double bonds, for removing hydrogen from the atmosphere within enclosed spaces. Organic polymers molecules containing carbon-carbon double bonds throughout the...  
WO/1999/040602A1
A system (100) and method for operating a dual electrode flashlamp (102). The method employs steps of applying an electrical potential between a pair of electrodes (114, 116) of the dual electrode flashlamp; and irradiating a region behi...  
WO/1999/031698A1
A self-gettering electron field emitter (30) has a first portion (40) formed of a low-work-function material for emitting electrons, and it has an integral second portion (50) that acts both as a low-resistance electrical conductor and a...  
WO/1999/026298A1
An image pickup device is characterized by comprising a photodetection unit (1) which has a photocathode (2) which emits photoelectrons in response to the incidence of light, a semiconductor detection device (3) which has an electron inc...  
WO/1999/009580A1
A cathode for a vacuum electronic device is described which is made of a material that also allows the cathode to act as a getter. The cathode may include a mixture of a getter material and a diamond powder.  
WO/1999/009584A1
The cathode for a gas discharged lamp includes gettering materials which are placed within the interior of the cathode shell. Other components may also be placed inside the cathode for continuous activation. For example, in mercury vapor...  
WO/1998/054750A1
An electron beam source includes a cathode (200) having an electron emission surface including an active area (208) for emission of electrons and a cathode shield assembly (220) including a conductive shield disposed in proximity to the ...  
WO/1998/053479A1
The device is formed of a metallic container which is capable of containing powders of one or more compounds having the general formula Ti�x?Zr�y?Hg�z?, but is not hermetically sealed, in order to allow the discharge of mercury vap...  
WO/1998/043763A1
It is described a process for the production of porous non-evaporable getter materials comprising at least one first element selected between Zr and Ti and at least one second element among V, Cr, Mn and Ni, wherein the starting metal po...  
WO/1998/043269A1
A process is disclosed for the production of flat-screens grids coated with non-evaporable getter materials, wherein a metal sheet being as thick as the resulting grid and having at least the same surface area as the image formation zone...  
WO/1998/015966A1
An article composed of a polymer material integrated with an oxygen scavenging agent is disclosed that is suitable for oxygen sensitive contents. Once affixed to the interior of a container, the novel article is capable of scavenging exc...  
WO/1998/003987A1
A method is disclosed for the manufacture of a supported thin layer of getter material, comprising: preparing at least one suspension of NEG material particles, with a particle size lower than about 150 $g(m)m, in a dispersing medium hav...  
WO/1997/050107A1
A vacuum device is provided with a getter device. The getter device comprises a deflector. The deflector is provided with raised and/or depressed portions, such as ribs or undulations in the direction of diffusion of the getter material.  
WO/1997/049114A1
A cathode ray tube (CRT) has a getter attachment wand (13a) with a trough shape along a substantial portion of its length, imparting an increased stiffness to the wand to maintain the wand in close proximity to the inside surface of the ...  
WO/1997/049109A1
The invention discloses a pumping device by non-vaporisable getter to create a very high vacuum in a chamber defined by a metal wall capable of releasing gas at its surface, characterised in that it comprises a thin layer of non-vaporisa...  
WO/1997/029503A1
A combination of materials is disclosed, comprising a getter alloy and one or more oxides chosen among Ag2O, CuO, MnO2 and Co3O4. To these combinations, a third component, consisting in an alloy rare earths, yttrium, lanthanum or their m...  
WO/1997/021239A1
A process for manufacturing shields of different size for fluorescent lamps consists in the steps of: providing a support for powders in the form of a metallic strip having a width (L) equivalent to about the circumference of the smalles...  
WO/1997/017714A1
A vacuum tube is provided with a line-shaped getter, which comprises a holder (2) with a longitudinal axis, which holder (2) contains a getter material (3) over at least a part of its length, said getter being provided with clamping mean...  
WO/1997/006549A1
A field electron emission material comprises an electrically conductive substrate (13, 14) and, disposed thereon, electrically conductive particles (11) embedded in, formed in, or coated by a layer of inorganic electrically insulating ma...  
WO/1996/039582A1
An ion pump permits the continuous evacuation of a small-envelope vacuum chamber while drawing a relatively small amount of power (micro watts). In a preferred embodiment, the present ion pump occupies a space enclosed by a first surface...  
WO/1996/038855A1
A process for fabricating, in a planar substrate, a hermetically sealed chamber for a field-emission cell or the like, allows operating the device in a vacuum or a low pressure inert gas. The process includes methods of covering an openi...  
WO/1996/021941A1
The invention relates to a measuring circuit for detecting the amount of deposited electrode material on the wall of a lamp vessel of a discharge lamp by measuring the power of infrared radiation within a specific wavelength range, compr...  
WO/1996/021958A2
The proposed non-vaporising getter contains the following components: vanadium (V) - 20-35 wt.%; calcium (Ca) - 0.1-0.5 wt.%; and titanium (Ti) - the rest. The getter has a porosity of 25-65 % of its total volume. In order to obtain the ...  
WO/1996/007193A1
The electric reflector lamp has a moulded reflector body (1) having an optical axis (11). A neck (12) is present around the axis. A light source (4) is disposed in the reflector body, enveloped by a lamp vessel (42) which has a seal (43)...  
WO/1996/001492A1
There is described a method for creating and keeping a controlled atmosphere in a FED, essentially free of oxidizing gases and including hydrogen at a pressure comprised between 10-7 and 10-3 mbar, which comprises the step of arranging i...  
WO/1995/035146A1
A getter-filter composite membrane element, comprising a sinterable getter material and a sinterable metal filter material, the composite element defining a matrix of substantially interconnected pores. Membrane elements may be comprised...  
WO/1995/025339A1
A vacuum tube, particularly a cathode ray display tube, is disclosed. To absorb residual gases once a vacuum has been formed within the tube, a getter material (barium) is evaporated onto the inner tube walls from a getter holder. Instea...  
WO/1995/023425A1
Field emitter flat display, having an inner vacuum space wherein there are housed: a) a layer of excitable phosphors and a plurality of microcathodes (MT), which emit electrons driven by a high electric field; and b) a plurality of elect...  
WO/1995/020245A1
A method for producing a superconductor by partial inter diffusion of layers of metal under a diffusion heat treatment to provide a ductile beta phase alloy, along with undiffused metal layers to permit ease of extrusion and drawing to f...  
WO/1994/020975A1
A vertical field emitter structure (116) and field emission device such as a flat panel display (123) utilizing such structure. Self-aligned gate and emitter fabrication is described, together with virtual column field emitter structures...  
WO/1994/018876A2
An insulating jacket (5) under vacuum, suitable for thermal vessels containing liquids, and in particular aqueous and/or organic liquids, containing, as a material (7) sorbing the residual gases present in said jacket after the evacuatio...  
WO/1994/008439A1
An electrodeless lamp bulb (12) is rotated at sufficient rate to obviate isolated discharges. A coaxially excited electrodeless lamp bulb (12) is rotated in such manner that different regions of the bulb are near the high field region ca...  
WO/1994/002958A1
An improved high-capacity getter pump, comprising a plurality of porous sintered piled-up annuli made from a non-evaporable getter material and having: (i) a first planar surface having a central hole; (ii) a second planar surface, havin...  

Matches 251 - 300 out of 2,571