Abstract: An image capture lens is equipped with: a diaphragm which is formed on a substrate, adjusts a light quantity, and has a predetermined aperture; an inorganic or organic adhesion layer formed on the substrate such that the diaphragm is exposed; and a resin part which has a lens part made from a curable resin. The resin part is directly joined to the inorganic or organic adhesion layer and diaphragm. The surface of the substrate on which the diaphragm is formed is subjected to a modification treatment so that a water contact angle is within a range of 3° to 30°.

Abstract: An image capture lens is equipped with: a diaphragm which is formed on a substrate, adjusts a light quantity, and has a predetermined aperture; an inorganic or organic adhesion layer formed on the substrate such that the diaphragm is exposed; and a resin part which has a lens part made from a curable resin. The resin part is directly joined to the inorganic or organic adhesion layer and diaphragm. The surface of the substrate on which the diaphragm is formed is subjected to a modification treatment so that a water contact angle is within a range of 3° to 30°.

Abstract: A housing for accommodating a radiation detecting member, has a first plate member to which radiation is incident from an outside of the housing; a second plate member arranged opposite to the first plate member; a radiation detecting member provided between the first plate member and the second plate member and having a radiation receiving surface to detect the radiation having passed through the first plate member; and a scattering radiation shielding member arranged at a radiation receiving surface side of the radiation detecting member and to eliminate scattering radiation from the radiation before the radiation is detected by the radiation receiving surface.

Abstract: A housing for accommodating a radiation detecting member, has a first plate member to which radiation is incident from an outside of the housing; a second plate member arranged opposite to the first plate member; a radiation detecting member provided between the first plate member and the second plate member and having a radiation receiving surface to detect the radiation having passed through the first plate member; and a scattering radiation shielding member arranged at a radiation receiving surface side of the radiation detecting member and to eliminate scattering radiation from the radiation before the radiation is detected by the radiation receiving surface.

Abstract: A method for preparing a rare earth activated alkaline earth metal fluorohalide stimulable phosphor represented by formula (Ba1−xM2x)FBryI1−y:aM1, bLn, cO is discloded, comprising the steps of (a) preparing an aqueous mother liquor containing BaX2 of not less than 2.0 mol/l and a halide of Ln, (b) adding an aqueous solution containing an inorganic fluoride of not less than 5 mol/l to the mother liquor while maintaining a temperature of at least 50° C. to form a crystalline precipitate of a precursor of the stimulable phosphor, (c) separating the precipitate of the precursor from the mother liquor, and (d) calcining the separated precipitate.

Abstract: A method for preparing a stimulable phosphor is disclosed, comprising forming a stimulable phosphor and coating the formed stimulable phosphor with a metal oxide and a silane coupling agent, or a metal oxide and a metal alkoxide. Another method is also disclosed, comprising forming a stimulable phosphor precursor, calcining the formed precursor in the presence of a metal oxide or metal alkoxide, and coating the calcined precursor with a silane coupling agent or metal alkoxide. Further disclosed is a preparation method of a radiation image conversion panel containing the stimulable phosphor.

Abstract: A preparation method of an oxygen-introduced stimulable phosphor including a rare earth activated alkaline earth metal fluorohalide stimulable phosphor is disclosed, comprising the steps of heating a precursor of a stimulable phosphor in an atmosphere containing oxygen, and further heating the heated precursor in a weakly reducing atmosphere. Stimulable phosphors prepared by this method and a radiation image conversion panel by use thereof are also disclosed.

Abstract: A silver halide emulsion is disclosed, comprising tabular grains containing not less than 50 mol % bromide, having two parallel (111) major faces and an aspect ratio of 2 or more, and accounting for at least 50% of the total grain projected area; the tabular grains each comprising regions different in iodide concentrations, wherein one of the regions is a central region containing high iodide and a second of the regions is an annular band containing less iodide than the iodide concentration of the central region, and the annular band accounting for less than 5% of each major face.

Abstract: A radiation image conversion panel comprising a support having thereon a phosphor layer containing a binder and a stimulable phosphor, wherein, when the phosphor layer is excited by being exposed to light at a maximum excitation wavelength (.lambda.1) of the phosphor, a maximum peak intensity of instantaneous emission (Int.) emitted from the phosphor layer satisfies the following:500.ltoreq.Int..ltoreq.5000provided that the Int. is a maximum emission intensity at a wavelength within the range of 185 to 800 nm, except for wavelengths of .lambda.1 and 2.times. .lambda.1, and the Int. being expressed as a relative value, based on a peak intensity of Raman scattering of water excited with light at a wavelength of 350 nm being 1.

Abstract: A stimulable phosphor is disclosed, comprising a rare earth activated alkaline earth metal fluorohalide stimulable phosphor, wherein the rare earth of the phosphor is a rare earth metal selected from the group consisting of Eu, Ce and Gd and the content of the rare earth metal in the surface portion of the particles of the stimulable phosphor being less that in a central portion of said particles. Disclosed is also a radiation image conversion panel comprising a support having thereon a phosphor layer containing the stimulable phosphor.

Abstract: A silver halide grain is disclosed, having one or more chemical sensitization clusters, and a largest size of the clusters being not less than 1.2 nm and less than 4.0 nm in diameter. A silver halide emulsion containing silver halide grains, as above-described and a preparation method are also disclosed.

Abstract: A light spectrum measuring apparatus comprises a sensor case on which a window with a glass is provided; a light emitting member and a light receiving member both provided in the case so that light emitted from the light emitting member passes through the glass, is reflected from solution, returns in the case, and is received by the light receiving member, wherein the glass, the light emitting member and the light receiving member are arranged in such a positional relation that positive reflected light which is emitted from the light emitting member and directly reflected by the glass without proceeding in the solution, is not received by the light receiving member.

Abstract: A method for chemically sensitizing a silver halide photographic emulsion with a selenium compound is disclosed. The sensitizing method comprises the steps ofpreparing a dispersion of solid particles of a selenium compound in an aqueous medium by a process comprising the following steps of(1) dissolving a substantially water-insoluble organic selenium compound in a substantially water immiscible low-boiling organic solvent to prepare a selenium compound solution,(2) dispersing the selenium compound solution in water or an aqueous solution of a dispersing aid to form a oil-in-water type dispersion, and(3) removing the organic solvent from the oil-in-water type dispersion by stirring the dispersion under a decompressed condition to precipitate the selenium compound so as to form a dispersion of fine solid particles of the selenium compound having an average particle size of 10 nm to 3 .mu.

Abstract: Disclosed is a method of producing a silver halide photographic emulsion comprising steps of:(a) forming fine-grain silver halide emulsion in a mixing vessel B separately provided from a reaction vessel A,(b) removing unnecessary ions contained in said fine-grain silver halide emulsion,(c) supplying the fine-grain silver halide emulsion to said reaction vessel A,(d) forming nucleation of a silver halide grain in said reaction vessel A, and(e) forming crystal growth of the silver halide grain in said reaction vessel A.

Abstract: A desalting method of a silver halide emulsion is disclosed, comprising removing soluble salts from the silver halide emulsion by electrodialysis, wherein said electrodialysis is carried out at a pH within a range of .+-.0.5 of an isoelectric point of a gelatin contained in the silver halide emulsion. Furthermore, by adding a salt during the course of the electrodialysis, the concentration of the emulsion is accomplished concurrently with desalting thereof.

Abstract: A method for manufacturing an ultrafine gold and/or silver chalcogenide being used for the sensitivity speck seeding sensitization method is disclosed. The gold and/or silver compound, and a water-soluble chalcogenide are mixed into a protective colloid solution under prescribed condition. The light-sensitive photographic material obtained by this method has a high sensitivity and low fog property.

Abstract: An apparatus for producing sparingly water-soluble salt crystal grains, including a mixing vessel in which a cationic component solution and an anionic component solution are mixed to form a precipitation process solution in which sparingly water-soluble salt grains are produced, wherein the mixing vessel is connected to a reaction chamber through a one-way valve, and the precipitation process solution is injected into the crystal growth process solution through the one-way valve immediately after mixing while stirring the crystal growth process solution.

Abstract: A method of preparing silver halide grains for a photographic emulsion which has a constant mass production qualities and a controlled crystalization technique is disclosed. The first reaction of halides and silver is performed in a mixer with a blades of high speed then the fine crystals of silver halide are kept in an adjusting vessel where monitoring and control devices are provided and the fine crystals are supplied to a parent tank for ripening the crystals prepared in the parent tank.