Abstract: A display apparatus in which a light shielding layer to partition fluorescent layers of a fluorescent screen has protrusions and depressions capable of providing a discontinuous area at least with a resistance greater than a predetermined value, for a metal layer for a metal back layer and a metal layer for a getter layer. The height or thickness of a light shielding layer is defined higher than the total thickness of a fluorescent layer, a metal layer for a metal back layer, and a metal layer for a getter layer. According to the present invention, it is possible to effectively manufacture a display apparatus whose picture quality is not degraded by an internal electric discharge. Thus, the cost of the display apparatus is decreased.

Abstract: This image display device includes a rear plate having a large number of electron emission elements and a face plate placed opposite to the rear plate and having a pattern of a phosphor layer and a pattern of a light absorption layer (a black matrix), on an inner surface of a light transmissive panel. Each pattern portion of the phosphor layer has a polygonal shape obtained by cutting corners from a quadrangle concentric with the light emitting portion which receives electron beams emitted from electron emission elements to emit light. Further,the area of each pattern portion of the phosphor layer can be 1.5 to 4 times the area of the light emitting portion The image display device is capable of display of high quality with high contrast and without decrease in brightness.

Abstract: Disclosed is a method for forming a metal back-attached phosphor screen, the method comprising the steps of: forming a phosphor layer (10) on an inner surface of a face plate (8); disposing a transfer film (1) in which at least a release agent layer (3), a smooth resin film (4) and an adhesive agent layer (5) are formed on a basefilm (2) onto the phosphor layer (10) pressing the transfer film (1) while applying heat by a transfer roller (7) to bond the transfer film (1), to thereby transfer the resin film; forming a metal film on the transferred resin film; and heating the face plate in which the metal film is formed.

Abstract: An image display unit having a structure in which a heat-resisting fine particle layer is formed on a metal back layer disposed on a phosphor layer, and a getter layer is deposited/formed on the heat-resisting fine particle layer by vapor-depositing. The fine particle layer is desirably formed in a specified pattern, and a filmy getter layer is formed in a pattern complementary to the former pattern. The average particle size of heat-resisting fine particles which may use SiO2, TiO2, Al2O3, Fe2O3 is 5 nm to 30 ?m. Since abnormal discharging is restricted, the destruction and deterioration of an electron emitting element and a phosphor screen are prevented to provide a high-brightness, high-grade display.

Abstract: This image display unit includes a face plate (6) on an inner surface of which a phosphor screen is formed, and a rear plate having a large number of electron emission elements, wherein the phosphor screen includes a light absorption layer (8), a phosphor layer (9), a metal back layer (10) having a separating portion (10a) and formed on the phosphor layer, a high-resistance covering layer (11) formed on the separating portion of the metal back layer in such a way as to be laid across the metal back layer of both sides of the separating portion, a heat-resistant fine particle layer (12) formed on the high-resistance covering layer, and a getter layer (13) formed in a film shape above the metal back layer and divided by the heat-resistant fine particle layer.

Abstract: An electrical machine having a plurality of pole pieces surrounded by bobbins and upon which individual coil windings are formed. The bobbins are formed by a insulating material in which are embedded electrical connectors that have terminal ends that afford connection to the coil windings and to an external connection for either deriving electrical power in the case the machine operates as a generator or receiving power in the event the device operates as a motor. Thus, cost is reduced and at the same time the device is more compact and more efficiency.

Abstract: A method for forming a metal back-attached phosphor screen comprises forming a phosphor layer on an inner surface of a face plate, transferring a metal film, and heating and pressing the metal film transferred onto the phosphor layer by a press roller. The transferring includes disposing a transfer film having at least a base film, a metal film and an adhesive-agent layer on the phosphor layer so that the metal film contacts the phosphor layer via an adhesive agent, heating and pressing by a transfer roller to let the metal film adhere thereto, and peeling the base film Both the temperatures of the pressing sections of the transfer roller and press roller are 150 to 240° C. and both the pressing rates are 1.0 to 6.0 meter/minute. A metal back-attached phosphor screen exhibiting an excellent adhesiveness between the phosphor layer and a metal back layer and a superior withstand voltage characteristic can be formed with a good process yield.

Abstract: A tape printer includes a detection device that detects a type of tape in a tape cassette, a print data storage device that stores print data, a print head that performs printing on the tape based on the print data stored in the print data storage device, a recycle mark storage device that stores recycle mark data to be printed on the tape, wherein the recycle mark data can indicate whether the tape can be recycled, a composition device that composes, if the tape is detected by the detection device to be recyclable tape, the recycle mark data stored in the recycle mark storage device with the print data stored in the print data storage device, and a print control device that controls the print head so that the print head performs printing based on composite.

Abstract: A metal back-attached phosphor screen comprises a metal back layer that has a high-reflectance, high-resistance layer consisting of an In-, Sn- or Bi-oxide layer. The metal back layer of the metal back-attached phosphor screen may have a laminate structure including a high-reflectance layer formed on a phosphor layer side and a high-resistance layer formed on that layer. The high-reflectance layer may be formed of Al, In, Sn or Bi. The high-resistance layer may be formed of an Al-, In-, Sn-, Bi- or Si-oxide or nitride. A high-brightness metal back-attached phosphor screen is provided that prevents the destruction or the deterioration of an electron emission element and a phosphor screen by discharging.

Abstract: A phosphor screen is formed by using a manganese-activated zinc silicate phosphor having an average particle size of 0.5 to 2.0 ?m, and a zinc-to-silicon atomic ratio (Zn/Si) of 1.65 to 1.85.

Abstract: A transfer film comprising a base film (11), a parting-agent layer (12), a protective film (13), and a metal film (14), the latter three being formed on the base film (11) in order, wherein the protective film (13) contains a softening agent such as a phosphate, an aliphatic monobasic acid ester, an aliphatic dibasic acid ester, or a dihydric alcohol ester. By using such a transfer film, a metal back layer is formed. Since the transfer layer of the transfer film has a surface resistivity of as high as 102–108 ?/, the surface resistivity of the formed metal back layer is high, and discharge is suppressed.

Abstract: A metal back-attached phosphor screen includes a light absorption layer (2) and a phosphor layer (3) on an inner surface of a face plate (1) respectively, and a metal back layer (5) formed on the phosphor layer (3). The light absorption layer (2) contains an oxygen carrier prepared by adding a reducing metal to a metal oxide. A particle size of the oxygen carrier can be set to be 1 to 10 ?m. Besides, a phosphor material in which an activator such as Eu is added to a phosphor host material including oxygen such as Y2O2S, can be used as the oxygen carrier. In an image display device such as an FED, it is possible to eliminate a generation and an emission of a gas from the phosphor screen, and to improve an operation life of an electron emitting source.

Abstract: An image display unit having a structure in which a heat-resisting fine particle layer is formed on a metal back layer disposed on a phosphor layer, and a getter layer is deposited/formed on the heat-resisting fine particle layer by vapor-depositing. The fine particle layer is desirably formed in a specified pattern, and a filmy getter layer is formed in a pattern complementary to the former pattern. The average particle size of heat-resisting fine particles which may use SiO2, TiO2, Al2O3, Fe2O3 is 5 nm to 30 ?m. Since abnormal discharging is restricted, the destruction and deterioration of an electron emitting element and a phosphor screen are prevented to provide a high-brightness, high-grade display.

Abstract: A tape printer includes a detection device that detects a type of tape in a tape cassette, a print data storage device that stores print data, a print head that performs printing on the tape based on the print data stored in the print data storage device, a recycle mark storage device that stores recycle mark data to be printed on the tape, wherein the recycle mark data can indicate whether the tape can be recycled, a composition device that composes, if the tape is detected by the detection device to be recyclable tape, the recycle mark data stored in the recycle mark storage device with the print data stored in the print data storage device, and a print control device that controls the print head so that the print head performs printing based on composite.

Abstract: There is provided a tape printing device capable of using long tape-like print media such as label tape having a plurality of label areas as targets of printing arranged on a long support tape along the length of the support tape and normal tape allowing printing at any position on a long tape-like image receiving medium, comprising judgment means for judging whether the print medium currently used is label tape or normal tape and feed cut control means for performing a feed cut operation of feeding the print medium and thereafter cutting the print medium. The feed cut control means includes feeding distance control means for controlling feeding distance before the cutting in the feed cut operation depending on the judgment by the judgment means.

Abstract: An image display unit having a structure in which a heat-resisting fine particle layer is formed on a metal back layer disposed on a phosphor layer, and a getter layer is deposited/formed on the heat-resisting fine particle layer by vapor-depositing. The fine particle layer is desirably formed in a specified pattern, and a filmy getter layer is formed in a pattern complementary to the former pattern. The average particle size of heat-resisting fine particles which may use SiO2, TiO2, Al2O3, Fe2O3 is 5 nm to 30 ?m. Since abnormal discharging is restricted, the destruction and deterioration of an electron emitting element and a phosphor screen are prevented to provide a high-brightness, high-grade display.

Abstract: A method for forming a metal back-attached phosphor screen comprises the step of dissolving/removing or rendering highly resistant a specified area of a metal film formed on a phosphor screen by using a liquid that dissolves or oxidizes the metal film. After part of a metal film is removed or rendered highly resistant, an insulating or highly resistant inorganic material may be applied to the remaining ends thereof. Alternatively, an insulating or highly-resistant inorganic material may be added to a dissolving or oxidizing liquid to dissolve/remove or render highly resistant a metal film, and at the same time ends of the metal film are coated with the inorganic material. In this metal back-attached phosphor screen, electron emission elements and the phosphor screen are protected against destruction/deterioration by discharging.

Abstract: A method for producing a phosphor comprises a burning step to burn a phosphor material containing elements constituting a host material of the phosphor and an activator or compounds containing the elements by heating. In the burning step, the phosphor material is continuously passed through a rotating tubular heating furnace disposed in a tilting manner with respect to a horizon to be heated and burned in the heating furnace, and the burned material continuously discharged from the heating furnace is cooled down rapidly. Spherical phosphor particles which are uniform in a particle diameter and shape thereof and exhibit high dispersibility can be produced at low cost and in good yield.

Abstract: An electron source device includes a porous layer (for example, porous alumina layer) which is composed of an insulator and has many microscopic holes provided in a direction perpendicular to a main surface, and first and second conductor layers placed on both sides of the porous layer, and is characterized in that the current density I/S is 1 ?A/cm2 or higher when a direct-current voltage is applied between the second conductor layer and the fist conductor layer while using the second conductor layer as an anode. In this case, S represents the overlapping area of the first conductor layer, the second conductor layer and the porous layer. Consequently, an electron source device having a high electron emission ability and a long life even when the degree of vacuum is low can be obtained at low cost, and hence, a display having a high luminous efficiency and high reliability can be realized.