Abstract: A method for manufacturing a wavelength converting film is provided. A release film is provided. At a least one coating process is performed to form at least one wavelength converting layer on the release film, wherein a first contact surface of the at least one wavelength converting layer and the release film has a first roughness. An adhesive layer is formed on a surface of the wavelength converting layer farthest from the release film, wherein a second contact surface of the adhesive layer and the wavelength converting layer has a second roughness. The second roughness is greater than the first roughness.

Abstract: In a step of forming one or a plurality of organic layers, an object to be coated to become an organic EL element is arranged such that a surface to form the organic layer faces down, while a nozzle having a plurality of slit-shaped outlets for discharging thereabove a coating liquid containing a material to become the organic layer and downwardly depressed cutouts respectively formed at both end parts of each of the slit-shaped outlets is arranged under the object. A coating step of moving the nozzle and the object relative to each other in a predetermined coating direction while keeping the coating liquid discharged from the nozzle in contact with the object and a non-coating step of moving the nozzle and the object relative to each other in the coating direction while keeping the coating liquid away from the object are alternately repeated.

Abstract: Disclosed is a preparation method of a radiation image conversion panel by a vapor deposition method, in which a support member is supported and rotated and the stimulable phosphor evaporated from the evaporation source is deposited onto the support member to form a stimulable phosphor layer. The radiation image conversion panel manufactured by the method is also disclosed.

Abstract: A method of manufacturing a stacked piezoelectric element that can suppress periodic damping on miniaturization of a vibration wave motor and improve its performance. A stacked piezoelectric element comprises piezoelectric layers and electrode layers alternately stacked to have a shape of a cylinder. The electrode layers are divided into a plurality of electrode layer regions along a circumferential surface of the shape of a cylinder.

Abstract: There is provided a radiation image conversion panel having strong resistance to physical impact, and in which enhanced sharpness and adhesion are balanced, especially, enhanced adhesion of a photostimulable phosphor layer onto a support is achieved, and a preparation method of the radiation image conversion panel. The radiation image conversion panel comprising on a support a sublayer and at least one photostimulable phosphor layer in this order from the support, featured in that the photostimulable phosphor layer is formed by a gas phase method and has a thickness of not less than 50 ?m, and the sublayer comprises a thermoplastic resin and the thickness of the central portion in an image area of the sublayer is greater than that of the peripheral portion of the image area.

Abstract: An object is to provide a chemical solution application apparatus capable of applying a chemical solution evenly and without irregularity by a spin coating method. A plurality of nozzles are provided for applying a chemical solution to an application object that is fixed over a stage. Each of the nozzles is individually mobile in vertical and horizontal directions. For this reason, controlling a discharging point or pattern is possible, and application responding to a wider viscosity range of chemical solutions is possible. By implementing the present invention, a chemical solution application apparatus equipped with a discharging method of a chemical solution by which a coating film having a small film thickness distribution over an entire substrate and an even thickness can be obtained, as well as for which use efficiency is improved by cutting down on waste of a chemical solution to be discharged.

Abstract: The present invention discloses a method of fabricating organic light emitting diode array, which adopts a directional spin coating technology to grow different organic light-emitting materials on the same plane so as to control the color of the emitted light and accomplish monochrome or full color organic light emitting diodes.

Abstract: A radiation image storage panel which is provided with a stimulable phosphor substance layer containing a stimulable phosphor substance formed by a gas phase accumulation method on a support, wherein said stimulable phosphor substance layer is constituted of a columnar crystal structure, and slopes D1 and D2 satisfy 0°?|D1?D2|?40°, when acute angles formed by said radiation image storage panel surface and axial lines passing through the center of said columnar crystals, with respect to columnar crystals at arbitrary two points in the radiation image storage panel plane, are designated as slopes of columnar crystals, D1 and D2.

Abstract: The present invention is to provide a process for manufacturing a fluorescent film wherein the order of coating the fluorescent films of a color Braun tube and the thickness of the film are adjusted to reduce the amount of red fluorescent material employed for red fluorescent film without deteriorating the quality of the red fluorescent film, thereby lowering the cost for manufacturing. The process first forms the red fluorescent film on the panel of a color Braun tube and then forms the blue and green fluorescent films subsequently thereafter.

Abstract: A method of forming a fluorescent screen where a pigment film and a fluorescent film are deposited on a surface of a light transmissive substrate, is presented. The method includes coating a pigment dispersion liquid on the surface of the light transmissive substrate to form a coated film and forming the pigment film by drying the coated film. The drying of the coated film is performed under conditions that a temperature of the corner portions of the light transmissive substrate is controlled to 36° C. to 50° C.

Abstract: An optical compensatory sheet producing apparatus produces an optical compensatory sheet having a liquid crystal layer. In the apparatus, a rubbing unit is supplied with resin film having a first layer including resin, and subjects the first layer to a rubbing process, so as to form an orientation layer. A dust remover removes dust from the orientation layer by use of liquid such as perfluorocarbon, to which the orientation layer is insoluble. A liquid crystal layer coater is disposed downstream from the dust remover, for coating the orientation layer with coating liquid including liquid crystalline compound, so that the liquid crystal layer is formed.

Abstract: The present invention concerns a method of forming one or more thin films on a substrate by depositing two or more materials by vacuum evaporation, comprising, depositing each material under such control that ni value of the each material is k±0.5 wherein k is a constant from 2 to 5, when relationship between a deposition position and a film thickness of a material i on the substrate is approximated by the following equation (1): Di/D0i∝(L0/Li)3 cosni&thgr;i  (1) wherein L0 is a distance from an evaporation source to a plane of the substrate in a perpendicular direction, D0i is a film thickness of the material i at an intersection point of a perpendicular line from the evaporation source to the plane of the substrate, and Di is a film thickness of the material i at a position on the substrate which is apart from the evaporation source by a distance Li in a direction of an angle &thgr;i against the perpendicular line.

Abstract: The present invention provides a method of manufacturing an electroconductive antireflection film and a glass faceplate having the film of high electroconductivity, excellent antireflection characteristics and electromagnetically shielding characteristic with very high sticking strength and film hardness, etc., and formed at the lower manufacturing cost and in the simple manufacturing method. The method comprises the steps of: dissolving in alcohol an aqueous solution of organic polymer containing polyethylenedioxythiophene which polystyrenesulphonate is doped to; adding silicon alkoxide to the alcoholic solution for reinforcing adhesion; preparing an organic polymeric electroconductive solution by adding pure water and a basic catalyst for hydrolysis; and applying the electroconductive solution on the image display glass plate, thereby forming the polymeric electroconductive film as an antireflective film.

Abstract: In a method for lacquering the inner side of a display screen, a frame is provided to form sealing means for sealing a spacing between a closing means having a passage and closing an inner space of a lacquering head at the top and a display screen covering this passage, in which method an air gap formed between the frame and a peripheral area of a display screen extending substantially parallel to a display screen axis and being bounded by an outer peripheral boundary face constitutes a flow resistance as a result of its dimensions and counteracts the escape of a gaseous medium from the inner space of the lacquering head and through the spacing between a passage boundary face of the passage in the closing means and the outer peripheral boundary face of the peripheral area of a display screen covering the passage in the closing means.

Abstract: Method and device for providing a layer (6) of a coating material on the inner side (2) of a display window (1) for a color display tube. A drop (3) of a suspension of said coating material is deposited on the inner side of the display window, its axis of symmetry (4) being oriented vertically. Then the display window is rotated around said axis of symmetry, and at the same time, said axis is tilted to a horizontal position. The suspension is thereby distributed on the inner side of the display window. An excess of suspension is collected during the rotation in four collection cups (8) arranged at the corners (7) of the display window, whence it is drained off to a central collection cup (10). Finally, the part of the suspension which remains on the display window is dried by infrared radiation (9).

Abstract: Method and device for providing a layer (6) of a coating material on the inner side (2) of a display window (1) for a color display tube. A drop (3) of a suspension of said coating material is deposited on the inner side of the display window, its axis of symmetry (4) being oriented vertically. Then the display window is rotated around said axis of symmetry, and at the same time, said axis is tilted to a horizontal position. The suspension is thereby distributed on the inner side of the display window. An excess of suspension is collected during the rotation in four collection cups (8) arranged at the corners (7) of the display window, whence it is drained off to a central collection cup (10). Finally, the part of the suspension which remains on the display window is dried by infrared radiation (9). As the suspension is drained from the four collection cups to the central collection cup during the rotation, there is no risk that the suspension may drip from the cups onto the display window.

Abstract: A coating apparatus for forming a high-resistance film on the inner surface of the neck of the funnel of a cathode ray tube has a nozzle that can be inserted into the neck. The nozzle, which is provided for applying a material liquid to the inner surface of the neck, has a jet hole inclined toward the direction of gravity. The material liquid applied through the jet hole thus inclined scarcely flows upwardly on the inner surface of the neck. The liquid therefore forms a high-resistance film having a uniform thickness on the inner surface of the neck of the funnel. Having a uniform thickness, the high-resistance film inhibits the charge-up of the neck potential, reducing the convergence drift caused by the charge-up of the neck potential.

Abstract: A liquid coating nozzle is provided with a first block which has an inner liquid reserving section that extends in the longitudinal direction and an inner discharge section which includes a plurality of small holes formed in the longitudinal direction at a bottom portion of the liquid reserving section. The nozzle is also provided with a second block which has an inner space defining a gas reserving section that extends in the longitudinal direction outside the first block and an outer discharge section formed in the longitudinal direction at a bottom portion of the inner space. The outer discharge section includes a plurality of small holes and produces a gas flow that externally surrounds a linear or curtain-shaped liquid flow that flows downward from the small holes. This results in the formation of a thin coating film in a short time and reduces the consumption of liquid and coating nonuniformities.

Abstract: A color filter solution for applying on a face glass of a cathode ray tube and a method for patterning a color filter to improve the brightness and contrast characteristics of the color filter. The color filter solution comprises a pigment, an anion surfactant which contains sodium or ammonium ion or citric acid as a dispersion agent, a mixture solvent of a glycol and a pyrrolidone containing methyl or ethyl, a nonionic surfactant and a pure water. A method for patterning a color filter in a cathode ray tube comprises the steps of:preparing a color filter solution which comprises a pigment, an anion surfactant which contains sodium or ammonium ion or citric acid as a dispersion agent, a mixture solvent of a glycol and a pyrrolidone containing methyl or ethyl, and a nonionic surfactant;forming a photoresist slurry by adding an alcohol-sodium or ammonium dichromate to the color filter solution ; andcoating, exposing and developing the photoresist slurry on a face glass.

Abstract: A method of manufacturing a cathode-ray tube comprises a process of forming a phosphor screen. The process comprises an application process, a shake-off process, and a drying process. In the application process, a glass panel is tilted with respect to a vertical axis and is rotated having a tilt axis as a central axis to spread a phosphor slurry over almost the entire area of an inner face of the glass panel. In the shake-off process, by rotating the glass panel, excess phosphor slurry is shaken off, and the excess phosphor slurry is recovered in phosphor-slurry recovery members provided at the four corners of the glass panel. In the drying process, the phosphor slurry is dried. In this method, the tilt angle and rotation speed of the glass panel at least in one process out of the application process, the shake-off process, and the drying process is changed at least in two stages.

Abstract: An epitaxial reactor with a flat disc-shaped susceptor comprises a flat, substantially tubular quartz reaction chamber (12) containing a rotatable susceptor disk (14) having a plurality of recesses (16a-h) for housing a corresponding plurality of disc-shaped wafers (18a-h) of material to be processed, a tank (26) filled with flowing coolant liquid (28) surrounding the substantially tubular chamber (12), a primary supply inductor (90) substantially in the form of a flat spiral disposed outside the reaction chamber (12) in the lower portion of the tank (26) parallel to the susceptor disc (14) and having means (118) for modifying the distance between each individual turn of the primary inductor (90) and the susceptor disc, possibly a secondary inductor (102) formed by turns disposed parallel and closely coupled to the turns of the primary inductor (90), possibly means (158) for selectively connecting each turn of the primary inductor (90) to external loads according to a known technique or for selectively closin

Abstract: A process for manufacturing a phosphorescent screen for use in a cathode ray or field emission display, is described. The phosphor layer is applied in the form of a slurry consisting of a powdered phosphor, an ethylene glycol monobutyl ether acetate solvent, and a cellulose acetate butyrate binder. The phosphor concentration is between 30 and 60% by weight, the solvent between 5 and 52.5% and the binder between 17.5 and 35%. If the slurry composition falls within these ranges, then, once the aluminum anode layer is in place, all organic material can be removed by firing at a temperature that is less than 500.degree. C. By keeping the firing temperature below 500.degree. C., roughening of the undersurface of the aluminum is avoided and a more efficient screen is obtained. Data to illustrate this is also provided.

Abstract: The present invention aims to form a thin coating film of even thickness within a short processing time under a curtailed consumption of coating liquid; where, a gas is spouted from nozzle 4 disposed facing to protection glass 2 of cathode ray tube, and a liquid containing fluorescent material is made to spout accompanied by the spouting gas, to be applied on protection glass 2 by shifting the positioning of protection glass 2 relative to nozzle 4 while spouting the liquid containing fluorescent material.

Abstract: A high molecular weight, i.e., molecular weight of 90,000-750,000, conductive polymer soluble in both water and alcohol is mixed with a solution of water, alcohol, tetraethoxysilane (TES), and nitric acid (HNO.sub.3) to provide an antistatic coating for a glass display panel of a cathode ray tube (CRT) for grounding static charge on the panel. Conductive polymers such as of polyaniline mixed with either polystyrene sulfonic acid or polyacrylic acid in a molecular ratio of 1:1 or 3,4 polyethylenedioxythiophene added to polystyrenesulphonate in a molecular ratio of 1:1 form a conductive complex which when mixed with a solution of water, alcohol, TES and HNO.sub.3 provides a coating solution with a resistivity in the range of 10.sup.7-10.sup.9 ohm/cm.sup.2 on the outer surface of the CRT display panel.

Abstract: A process for coating a front surface of a cathode ray, the process being characterized by using a ultraviolet ray setting plastic material as a coating material. According to the process, a preformed cathode ray tube bulb having a front surface is maintained with the front surface directed upwards and a transparent, fluidized or molten plastic material of ultraviolet setting property is discharged to the front surface of the bulb through a plurality of thin nozzles arranged in at least one row or one or more nozzles each having an elongated nozzle opening. In this instance, it is preferable that the molten plastic material discharged from the nozzles is received by a film forming surface which is arranged adjacent to the nozzles to form a thin plastic film before it reaches the front surface of the bulb. Preferably, the film forming surface is provided by a sheet of a material, such as a silicon rubber, which is not wettable to the plastic material.

Abstract: A method and apparatus for forming a fluorescent layer for a black-and-white CRT is disclosed including: a first rotation shaft installed perpendicular to the horizontal plane; a rotation table fixed to the first rotation shaft and integrally formed with a sloped portion, the table being rotated along with the first rotation shaft; a second rotation shaft installed perpendicular to the sloped surface of the sloped portion; and a deposition table fixed to the second rotation shaft and in which a bulb can be mounted.

Abstract: A process and device are disclosed for coating with a suspension the inside of meandrous one-tube glass vessels with U-bends. After the introduction of a measured amount of a suspension, the vessel is axially rotated moving horizontally and is tilted, so that the legs of the one-tube glass vessel take a horizontal position between the reversal points of the tilting movement.

Abstract: A method and apparatus for sequentially coating fluorescent lamps with a protective coating. The lamps are advanced continuously through coating apparatus which prepares the surfaces of the lamps for coating, then dips the lamps in a bath of liquid coating material, and subsequently cures the liquid coating material. The lamps may be labeled prior to coating, such that the coating provides tamper resistance for the labeling, in addition to containment of shattered glass and lamp contents in the event of breakage of the lamp.

Abstract: The present invention is directed to a method of and apparatus for forming a coating film on an inner surface of a panel of a cathode ray tube. In this case, slurries are injected into the panel, the panel is rotated on its own axis so as to uniformly coat the slurries on the panel and a recovering hood is moved in an opposing relation to the panel in synchronism with the revolution of the panel to thereby recover the slurries. Therefore, particularly when the slurries are recovered, the slurries can be prevented from being scattered, thereby avoiding the surroundings from being splattered.

Abstract: A process for centrifugal coating of large-surface, arched elements, especially of cathode-ray-tube displays or screens, in which during the centrifugal coating, a disk matched to approximately the shape of the surface to be coated is rotated at a distance of 1 to 10 mm above the surface to be coated at approximately the centrifugal speed equidirectional with the surface to be coated.

Abstract: A method of manufacturing an X-ray tube comprises the steps of applying the bearing portions with liquid metal lubricant and heating the bearing portions defined by a rotary structure and a stationary shaft to a temperature of 200.degree. C. or more in a vacuum condition. An apparatus for manufacturing an X-ray tube comprises a vacuum bell jar having a heating unit, a metal lubricant injector provided in the vacuum bell jar and a holding and controlling device for holding the rotary structure and the stationary shaft and controlling the movement and the mutual connection of the rotary structure and stationary shaft externally of the vacuum envelope.

Abstract: A method of forming a phosphor layer on the screen panel of a cathode-ray tube include the steps of charging phosphor slurry on the inside of the screen panel, rotating the screen panel to spread the phosphor slurry forming the phosphor layer, and exposing the screen panel to a light disposed in front of the inside of the screen panel and a plurality of lights disposed in front of the outside of the screen.

Abstract: Apparatus for applying a conductive coating of DAG material to the inner surface of a cathode ray tube (CRT) funnel includes a stationary DAG spray gun and a movable DAG rotating slinger. The CRT funnel is rotated to allow the stationary spray gun to deposit a first DAG coating on an intermediate flared portion of the inner surface of the funnel, including the location of its anode button. The DAG slinger, which includes a rotating disc for radially discharging the DAG, is then displaced through the neck portion of the CRT funnel toward the open, enlarged end of the funnel to deposit a second DAG coating which overlaps the first DAG coating. The apparatus includes a variable DAG flow control arrangement for depositing a DAG coating of uniform thickness over the inner surface of the CRT funnel, as well as a DAG cleaning and recovery arrangement for preventing DAG not deposited on the CRT funnel from escaping to the environment and for recovering this DAG for re-use.

Abstract: A method of forming a fluorescent screen for a plasma display panel provided with a front plate and a rear plate disposed parallel to each other and a cell barrier mounted on the front or rear plate and constituting a plurality of cells as display elements is characterized in that the cell barrier is located on a surface of the front or rear plate facing the other plate, a slurry solution containing a phosphor is filled in a portion defined by a cell wall of the cell barrier on the front or rear plate, only the wall surface of the cell barrier is exposed, and so a photosensitive layer containing a phosphor is formed at a portion inside the cell barrier. The fluorescent screen forming method is further characterized in another aspect in that a slurry solution containing a phosphor fills inside the cell of the cell barrier disposed on the plate, the plate is inclined immediately thereafter with an inclination of about 90.degree.

Abstract: In manufacturing anti-static cathode ray tubes, the concentration of a conducting filler dispersed in the coating solution is so set that a surface resistance lies within a fixed range. The baking step of the anti-static treatment is integrated in the conventional heat treatment of cathode ray tubes. Further, the salvage cap used to receive splashes of coating solution is rotated in synchronization with the tube.

Abstract: A method of and apparatus for forming a thin film having a smooth surface and a uniform film thickness such as an antistatic or antireflection film on the outer surface of a display screen of a cathode ray tube, includes the steps of applying a film formation material solution containing a volatile solvent on the outer surface of the display screen of the cathode ray tube to form a solution film, rotating the cathode ray tube about a tube axis thereof to obtain an uniform film thickness of the solution film, and causing a portion of the solution film applied in and near the center of the outer surface of the display screen to dry while the cathode ray tube is being rotated.

Abstract: Vapor deposition crucible is provided at least twenty degrees from the central normal to a smooth surface of a screen on which luminescent material is to be deposited. During deposition the surface is rotated relative to the source to produce a layer having a regular structure and a good fill factor.

Abstract: A method of manufacturing a phosphor screen of uniform thickness on an inner surface of a panel of a cathode ray tube, comprising the steps of forming a powder-receptive adhesive pattern on the inner surface of a substantially rectangular panel having a skirt portion at the periphery, forming a sealed vessel consisting essentially of a container for containing phosphor powder and the panel by combining integrally the container and the panel so that the openings of both are opposed, and rotating the sealed container about an axis parallel to the inner surface of the panel.

Abstract: Making method for a phosphor layer of a small diameter cathode ray tube comprises application of a centrifugal force of above 100G in a direction parallel to the axis of a glass bulb toward its bottom panel to become a face plate, thereby forcedly making sedimentation of phosphor powder onto the inner surface of the bottom panel, and thus, by adoptation of the centrifugal force, a phosphor layer of very fine and dense configuration and uniform thickness is obtainable even using such small medium grain size of phosphor powder of under 4 .mu.m.

Abstract: A photosensitive film on a glass surface is prepared by: dispensing a quantity of aqueous emulsion containing the film constituents on the surface, distributing the emulsion as a layer over the surface, leveling the distributed layer and then drying the layer. To burst any bubbles that form during distribution, and to remove residual effects of the bubbles, a mist of a surface-tension-reducing liquid, such as methyl alcohol, is contacted with the distributed layer during leveling.

Abstract: A reactor for vapor phase epitaxy, wherein to bring about a vapor phase epitaxial growth or epitaxy on one face of a substrate, the latter is heated and placed in an epitaxy gas stream flowing in a given direction and the face is kept parallel to the direction and in a position where the gases play upon the same and such performs rotary movement about an axis which is perpendicular to the face and to the direction.

Abstract: A method of manufacturing a phosphor screen of a cathode ray tube, comprises forming a pattern having a particle-receptive adhesive surface on an inner surface of a faceplate having a peripheral wall, rotating the faceplate about an axis perpendicular to its inner surface and passing its center, and charging phosphor particles onto the inner surface of the faceplate during or before rotation thereof so as to allow the phosphor particles to slide on the inner surface of the faceplate and to attach to the particle-receptive adhesive surface. The method can form a phosphor film having a uniform and sufficient thickness without an irregularity in the amount of phosphor attached.

Abstract: A method of manufacturing a cathode-ray tube is provided, wherein in forming a phosphor screen on the inner surface of a faceplate of the cathode-ray tube, the inner surface of the faceplate faces downward while the faceplate is rotated about the axis of the cathode-ray tube, and a liquid material for forming a film is sprayed from a supply nozzle arranged to be substantially perpendicular to the inner surface of the faceplate so as to spray the liquid material on the inner surface of the faceplate along all directions, thereby forming a uniform film throughout the inner surface of the faceplate.

Abstract: Red cathode ray phosphors are coated with a vapor deposited layer of cadmium selenide in order to achieve controlled color shifts in the light output of the phosphors. Such coated phosphors are especially suited for color television and monitor applications.

Abstract: In a method for preparing a mosaic luminescent screen, islands of dry precoating material are adhered to a glass support surface at the sites of the mosaic parts of the screen. Then, the mosaic parts of the screen are deposited on the islands by the slurry-direct photographic method, including development with a turbulent aqueous developing medium. The use of islands provides the necessary adherence during development of the mosaic parts with a substantial reduction in the amount of precoating that must later be removed.

Abstract: A screen for converting an electron image to an optical image is made by coating a transparent substrate with 1 micron mean particle size phosphor in fluid thermoplastic material using a spinning method. When the thermoplastic is set it is heated to near melting and additional fine phosphor is driven into its surface with an ultrafine sponge. After baking, this first layer is coated with a slurry of coarser grain phosphor suspended in water and a silicate compound and the substrate is centrifuged. After this second layer is dry, a thin coat of lacquer is applied and dried followed by aluminizing the lacquer. The coated screen is then baked to drive off the lacquer volatiles.

Abstract: A method is described for applying dry phosphor particles on a substrate, such as an intagliated array of fiber optic rods, each etched to form a pit in the surface. In this technique a thin layer of a heated thermoplastic is formed on the surface of the substrate to uniformly coat the etched pits and receive the phosphor particles. The plastic film is heated to receive the particles which are deposited upon the plastic layer. The particles become embedded in the plastic. The plastic layer is removed and the screen is then secured with a binder to fix the particles within the etch pits or cells of the intagliated array.

Abstract: Sodium nitrite in liquid form is deposited on a substrate and allowed to crystallize thereby forming a thin layer on the substrate. The substrate is either dipped into a solution containing sodium nitrite or into sodium nitrite in the molten state and then pulled out again. Subsequent drying or cooling of the wetted substrate top surface causes the crystalline film to form. Alternatively, sodium nitrite in a liquid state is applied to the top surface of the substrate and the substrate is rotated to assure an even distribution of the sodium nitrite. Again, drying or cooling causes the crystalline layer to form. The so manufactured unit is shown as part of a pyroelectric radiation detector, as image receiver in a television camera tube and as the storage element in a field effect transistor arrangement.

Abstract: To coat the inner surface of the viewing window of a faceplate panel for a cathode-ray tube, of the type having a peripheral sidewall or flange around the window, dispense onto the surface a quantity of slurry in excess of what is required for the desired coating, spread the dispersed slurry over the surface, wet the uncoated inner surface of the sidewall with an aqueous medium, pass the excess portion of the slurry over the wet sidewall surface for removal from the panel, and then remove particulate material from the inner sidewall surface.

Abstract: The screen comprises superimposed layers of phosphor crystals having fluorescences of different colors separated by an inert layer having a substantially uniform thickness. In one example, the layers are of green phosphor P1 (J.E.D.E.C.) (.lambda.=550 nm) and red phosphor yttrium vanadate activated with europium (.lambda.=610 nm), in a proportion of 3 to 4 mg/cm.sup.2 and 0.15 mg/cm.sup.2 respectively. The inert layer is silicon sesquioxide (Si.sub.2 O.sub.3), and has a thickness of 1.2 .mu.m. High luminances are obtained throughout the range of colors, for operating voltages ranging between 10 kV and 17 kV.