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.

Abstract: Carbonization is achieved and impurity elements are removed by combination of a metal or metalloid compound with a composition exhibiting a carbon residual yield that is substantially not zero after firing, followed by firing at a pressure of no higher than 1×10−2 Pa and a temperature of from 1500° C. to 2200° C.

Abstract: The present invention provides a carbon heating element having an arbitrary specific resistance and an arbitrary shape which are arbitrary necessary as a heating element, and a method of producing the same. The carbon heating element is obtained by uniformly dispersing one or at least two metal or metalloid compounds into a composition having shapability and showing a high yield of a carbon residue after firing, shaping the dispersed material-containing mixture thus obtained, and firing the shaped material under a nonoxidizing atmosphere.

Abstract: A flash fixing apparatus effectively collect vapor gas produced at the time of fixation while fixing a toner image of medium by means off flashlight. In the flash fixation unit, vapor gas produced in flash fixation flows toward the medium transportation direction. Utilizing this phenomenon, a gas suction face is provided in a gas collector so as to receive the vapor gas flowing toward the medium transportation direction. Otherwise, a gas blast portion is provided at the rear stage of the gas collector. The vapor gas flows to the gas suction face naturally, bringing about improved gas collection efficiency.

Abstract: In an image conversion method of performing an image conversion between binary area tonal image-to-binary area tonal image, an image conversion apparatus, and an image conversion program storage medium storing an image conversion program which causes a computer to operate as such an image conversion apparatus, a binary area tonal image is once converted into a multi-level image, and pixel values of the multi-level image are converted. An areal ration of each divided area corresponding to the associated pixel of the multi-value image, of the original binary area tonal image is increased or decreased in accordance with the difference value between the pixel values of the associated pixels between the multi-value image after conversion of the pixel value and the multi-value image before conversion of the pixel value.

Abstract: A method for simplified sterilization is provided which does not use a harmful medium such as a disinfectant and ultraviolet radiation and which is able to reach all portions of objects to be sterilized, where sterilization is realized without high temperatures being generated. After applying a small amount of water or mixture of water and ethanol to an object to be sterilized, or after spraying a liquid gas, far-infrared radiation is applied using a carbon lamp which has high far-infrared radiation efficiency.

Abstract: An image printing method, wherein one pixel is formed from a plurality of dots arranged in a primary scanning direction, in which printing elements are arranged, and in a secondary scanning direction perpendicular to the primary scanning direction; wherein the tone of one pixel is expressed by changing the overall printing area in accordance with whether or not the dots are printed; and wherein a multicolor image is printed by combination of one yellow pixel, one magenta pixel, one cyan pixel, and one black pixel, the method comprising the step of: setting to a nonintegral multiple a dimensional ratio among one yellow pixel, one magenta pixel, one cyan pixel, and one black pixel in the secondary scanning direction.

Abstract: An image printing method, wherein one pixel is formed from a plurality of dots arranged in a primary scanning direction, in which printing elements are arranged, and in a secondary scanning direction perpendicular to the primary scanning direction; wherein the tone of one pixel is expressed by changing the overall printing area in accordance with whether or not the dots are printed; and wherein a multicolor image is printed by combination of one yellow pixel, one magenta pixel, one cyan pixel, and one black pixel, the method comprising the step of: setting to a nonintegral multiple a dimensional ratio among one yellow pixel, one magenta pixel, one cyan pixel, and one black pixel in the secondary scanning direction.

Abstract: A thermal printer free of the unevenness of an image is devised so that dust is prevented from adhering to an ink ribbon. In the thermal printer for generating a color image on a recording material by a thermal head and others using an ink ribbon, the ink ribbon is automatically rewound by a length within one image plane and kept on standby after printing is finished and at the time of next printing, the ink ribbon is automatically let out by the length formerly rewound and gets ready for printing.

Abstract: An electro-developing recording medium has a reference zone exhibiting a substantially-constant transparency to prepare correction data for correcting image pixel signals obtained by an optical and electronic reading of a developed image of the electro-developing recording medium. The reference zone is located at a margin area of an image recording area of the electro-developing recording medium. Further, the reference zone is located adjacent to a side edge of the image recording area of the electro-developing recording medium. The electro-developing recording medium includes an electrostatic information recording medium and an electric charge keeping medium. The electric charge keeping medium has the reference zone exhibiting the substantially-constant transparency. The electric charge keeping medium is formed as a liquid crystal display, and the reference zone can be defined as an empty space from which a portion of a liquid crystal of the liquid crystal display has been eliminated.

Abstract: A belt-like pattern, or the like, is printed at a predetermined-gradation value in the first main scanning direction of the line head 66 (S1); a scanner 51 is relatively moved along the first main scanning direction of the line head 66 while aligning the second main scanning direction of the scanner 51 with the subsidiary scanning direction of the line head 66 to thereby detect printing density of the belt-like pattern, or the like (S2); a correction condition for each pixel position on the basis of the detected printing-density value and the predetermined-gradation value is obtained (S5); and image data for image recording is corrected on the basis of the obtained correction condition (S9). Thus, a density irregularity correction method can be provided for correcting density irregularity accurately without influence of individual sensitivity of scanners of an image recording apparatus using the methods.

Abstract: A soft magnetic thin film having a compositional formula FeaBbNc, wherein a, b and c each denote atomic percent and B denotes at least one of Co, Ni and Ru, and wherein the compositional range is given by 0<b≦5, and 0<c≦5. The film may exhibit uniaxial anisotropy with a uniaxial anisotropy field strength of 1-5 Oe. The film has a coercivity 2.5-4 Oe or less and a saturated magnetic flux density B25 of at least 16 kG measured at a magnetic field of 25 Oe. The film is produced by subjecting a deposited thin film of the compositional formula to heat treatment at a temperature of 220 to 450° C., within or without magnetic field and, has an average crystal grain size of not more than 50 nm.

Abstract: The object of the present invention is to provide a thermal printer free of the unevenness of an image which is devised so that dust is prevented from adhering to an ink ribbon.

Abstract: A method for forming an image comprises the steps of dividing an inputted image into a plurality of unit areas, preparing at least five gradation conversion tables relating a density value of the density data to a dot generation energy value corresponding to a size of a dot to be printed, preparing a matrix dividing each of the unit areas into predetermined number of element areas, dividing each of the unit areas into predetermined number of the element areas by means of the matrix, assigning one of the plurality of gradation conversion tables to each of the element area in each of the unit area, and recording the dots converted from the density data, wherein the plurality of conversion tables are prepared in such a manner that there exists at least three converted energy values other than the minimum and the maximum values thereof at an arbitrary density value in halftone density, and wherein the plurality of conversion tables are prepared in such a manner that the number of element areas in which the minimu

Abstract: A soft magnetic thin micro-crystalline film of FeaTbNc (at %) wherein T is at least one of Zr, Hf, Ti, Nb, Ta, V, Mo, and W and 0<b≦20, and 0<c≦22 except the range of b≦7.5 and c≦5, shows low coercivity Hc of 80-400 Am−1 (1-5 Oe) which is stable upon heating at elevated temperatures for glass bonding. This film is produced by crystallizing an amorphous alloy film of the similar composition at 350-650° C. to a crystal grain size up to 30 nm to provide uniaxial anisotropy and increased magnetic permeability at a higher frequency. It can also provide low magnetostriction around &lgr;s=0. A composite magnetic head is made using this thin film. A diffusion preventive SiO2 layer is disposed between ferrite cores, and this thin film in the magnetic head prevents an interdiffusion layer and suppresses beat in the output signal.

Abstract: A thin-film thermal head incorporating a resistance heating layer; and a conductor layer, wherein the main component of the conductor layer is a Cu—Ag alloy. More particularly, the conductor layer contains Cu by 50 atom % or higher, Ag by 0.5 atom % or higher and 50 atom % or lower and other elements by 2 atom % or lower.

Abstract: A soft magnetic thin micro-crystalline film of FeaBbNc (at %) wherein B is at least one of Zr, Hf, Ti, Nb, Ta, V, Mo and W, and 0<b≦20 and 0<c≦22 except the range of b≦7.5 and c≦5, shows low coercivity Hc of 80-400 Am−1 (1-5 Oe) which is stable upon heating at elevated temperature for glass bonding. This film is produced by crystallizing an amorphous alloy film of the similar composition at 350-650° C. to a crystal grain size up to 30 nm to provide uniaxial anisotropy and increased magnetic permeability at higher frequency. It can also provide low magnetostriction around &lgr;s=0. Composite magnetic head is made using this thin film. Diffusion preventive SiO2 layer disposed between ferrite core and this thin film in the magnetic head prevents an interdiffusion layer and suppress beat in the output signal.

Abstract: A thermal head, used for an image forming device, comprises a glaze formed at at least a portion of a base plate of the thermal head so that at least a portion of the glaze is protruded, and a plurality of heater portions provided at the glaze, a length of each of the heater portions in a image forming direction of a recording material being less than or equal to 100 .mu.m, wherein an outer surface of each of the heater portions is a convex curved surface and is the outermost portion of the glaze.

Abstract: A printing head drive apparatus comprising: a plurality of printing elements which operate upon receipt of electric power; switching elements which are provided for the respective printing elements and which supply power to the corresponding printing elements; a control signal output section which outputs a control signal for actuating the respective switching elements in response to print data; and a timing control section which arbitrarily sets output timing of the control signal for each printing element.