Abstract:
A vacuum encapsulated, hermetically sealed cathode capsule for generating an electron beam of secondary electrons, which generally includes a cathode element having a primary emission surface adapted to emit primary electrons, an annular insulating spacer, a diamond window element comprising a diamond material and having a secondary emission surface adapted to emit secondary electrons in response to primary electrons impinging on the diamond window element, a first cold-weld ring disposed between the cathode element and the annular insulating spacer and a second cold-weld ring disposed between the annular insulating spacer and the diamond window element. The cathode capsule is formed by a vacuum cold-weld process such that the first cold-weld ring forms a hermetical seal between the cathode element and the annular insulating spacer and the second cold-weld ring forms a hermetical seal between the annular spacer and the diamond window element whereby a vacuum encapsulated chamber is formed within the capsule.
Abstract:
The present disclosure is directed towards the prevention of high voltage instabilities within X-ray tubes. For example, in one embodiment, an X-ray tube is provided. The X-ray tube generally includes a stationary member, and a rotary member configured to rotate with respect to the stationary member during operation of the X-ray tube. The X-ray tube also includes a liquid metal bearing material disposed in a space between the shaft and the sleeve, a seal disposed adjacent to the space to seal the liquid metal bearing material in the space, and an enhanced surface area material disposed on a side of the seal axially opposite the space and configured to trap within the enhanced surface area material liquid metal bearing material that escapes the seal.
Abstract:
A method for fabricating a display is provided. The method includes providing a substrate having a pixel area, forming a plurality of patterned first electrodes on the pixel area, forming a plurality of partitions on both sides of the patterned first electrodes, respectively filling in spaces between the partitions with various colored material to cover the patterned first electrodes by a depositing process, and forming a cover on the partitions and the colored materials.
Abstract:
An alignment mark for a plasma display panel (PDP). The alignment mark comprises a first and a second alignment patterns installed on a front and a rear substrate respectively. The second alignment pattern on the non-display area is simultaneously formed with the rib barrier formation on the display area of the rear substrate, wherein the second alignment pattern is hexagonal-honeycomb. The first alignment pattern on the front substrate is simultaneously formed with the non-transparent material fabrication, such as a bus electrode or black matrix fabrication, and corresponds to a space within the second alignment pattern. The first alignment pattern comprises at least one line segment, parallel to at least one side of the hexagonal honeycomb pattern on the rear substrate with a predetermined distance therebetween.
Abstract:
An alignment mark for a plasma display panel (PDP). The alignment mark comprises a first and a second alignment patterns installed on a front and a rear substrate respectively. The second alignment pattern on the non-display area is simultaneously formed with the rib barrier formation on the display area of the rear substrate, wherein the second alignment pattern is hexagonal-honeycomb. The first alignment pattern on the front substrate is simultaneously formed with the non-transparent material fabrication, such as a bus electrode or black matrix fabrication, and corresponds to a space within the second alignment pattern. The first alignment pattern comprises at least one line segment, parallel to at least one side of the hexagonal honeycomb pattern on the rear substrate with a predetermined distance therebetween.
Abstract:
A mechanism for connecting first and second members through a sealing member sandwiched therebetween includes a position adjustment portion which adjusts a position of the first member in a direction substantially perpendicular to a surface of the second member with respect to the sealing member arranged on the second member, a reference portion which is provided to the second member and has a reference surface substantially perpendicular to the surface of the second member, and a pressing portion which presses the first member in a direction substantially parallel to the surface of the second member against the reference surface of the reference portion. A positioning member is provided to the first member and comes into contact with the reference surface of the reference portion, with the positioning member being position-adjustable with respect to a reference position of the first member. The first member, while being separated from the sealing member by the position adjustment portion, is positioned by the reference portion and pressing portion in the direction substantially parallel to the surface of the second member, and is thereafter moved by the position adjustment portion in the direction substantially perpendicular to the surface of the second member to deform the sealing member.
Abstract:
A method and an apparatus for manufacturing an image displaying apparatus having a display panel. A first substrate of the display panel on which a phosphor exciter is disposed and a second substrate of the display panel on which phosphors emitting light by the phosphor exciter is provided, are prepared under a vacuum atmosphere. Then, the first and the second substrates are carried in a getter processing chamber or bake processing chamber, and getter processing or bake processing is applied thereto under the vacuum atmosphere. After the processing, the first and the second substrates are carried in a seal processing chamber, where the substrates are heat sealed under the vacuum atmosphere. Thus, reduction of vacuum exhaust time and a high vacuum degree in manufacturing an image displaying apparatus is attained and efficiency of manufacturing is improved.
Abstract:
Two electrodes out of a cathode electrode, a gate electrode and a focusing gate electrode are formed on a same plane of a back substrate adjacent to each other, and this electrode structure is stacked in plural stages whereby the number of steps of printing process for forming the respective electrodes can be decreased and the alignment accuracy at the time of manufacturing the electrode structure can be largely alleviated. Further, by forming the cathode electrode and the gate electrode using the same material which contains carbon nanotubes, the alignment accuracy at the time of manufacturing the electrode structure can be largely alleviated. Accordingly, it is possible to manufacture an emissive flat panel display device easily and at a low cost using printing coating process or the like which is usually used.
Abstract:
A clip for a flat fluorescent lamp includes a first contact portion, a second contact portion and a connecting portion. The clip electrically connects first and second external electrodes that are on upper and lower surfaces of a lamp body of a flat fluorescent lamp. The first contact portion makes contact with the first external electrode. The first contact portion has a hole. The second contact portion makes contact with the second external electrode. The second contact portion may also have a hole. The connecting portion electrically connects the first contact portion to the second contact portion. The first external electrode is securely connected to the second external electrode, thereby improving reliability of the flat fluorescent lamp.
Abstract:
An electrode for an electron gun and an electron gun using same are provided which make use of stable carbon material having small work function and which permit orientation control to be achieved and which can be manufactured at a low cost. An electrode for an electron gun uses carbon electrode(s) formed from amorphous carbon and carbon nanotubes or carbon nanofibers and molded in linear shape. The carbon electrode is obtained by mixing a resin composition such as chlorinated vinyl chloride resin, furan resin, etc., which forms non-graphitizing carbon after carbonizing, with a carbon powder such as carbon nanotubes or carbon nanofibers and, after extrusion, molding and carbonizing the molding obtained.