Abstract: The present invention provides a Fresnel lens sheet capable of successfully avoiding the “collapse”, “abrasion” and “moiré” problems. A Fresnel lens sheet constitutes, together with a lenticular lens sheet, a rear projection screen, which is mounted in the frame of a rear projection type display. The Fresnel lens sheet includes, on one surface of its substrate, a Fresnel lens part containing a plurality of lenses concentrically formed on one plane. The apexes of the lenses situated in the area between the center and the outer edge of the Fresnel lens part are flattened to give flat faces, and the widths of the flat faces of the lenses on the outer edge side are made greater than the widths of the flat faces of the lenses on the center side. The widths of the flat faces of the lenses are from 0 to 30 ?m.

Abstract: An optical fiber wiring sheet includes: at least one optical-fiber aligning section including a plurality of two-dimensionally aligned and wired coated optical fibers; and at least one optical-fiber branching part where at least one of the plurality of coated optical fibers branches off as a branching coated optical fiber from the remaining coated optical fibers. The coated optical fibers have ends which constitute optical input/output ports.

Abstract: A developer for electrophotography comprising of a carrier and a magnetic toner containing cyclo-olefin copolymer resin as a binder resin. A carrier in which a surface of the core particle is coated by resin coating agent or a magnetic material dispersed resin carrier, is desirable. In the case in which saturation magnetization of the carrier at external magnetic field of 5 kOe is Sc, it is desirable that saturation magnetization St of magnetic toner at external magnetic field of 5 kOe satisfy the relationship of 0.10 Sc?St?0.40 Sc. In this way, the developer for electrophotography in which environmental resistance is superior, appropriate image density is maintained even after a large number of copies are made, fogging and toner dusting are minimized, and the amount of toner consumed is reduced, can be provided by the present invention.

Abstract: An anti-glare film is superior in low reflectivity and economy and balances conductivity, abrasion resistance, and contamination resistance. The anti-glare film has a transparent substrate, and at least a hard coat layer, a high refractive index layer, and a low refractive index layer provided on the transparent substrate, the high refractive index layer contains a radiation curable resin composition containing electroconductive inorganic ultrafine particles, and has a refractive index after curing of 1.6 to 1.8, the low refractive index layer contains fluorine containing polysiloxane, and has a refractive index after curing of 1.36 to 1.42, and the electroconductive inorganic ultrafine particle is at least one selected from tin oxide, indium tin oxide (ITO), and zinc oxide, and is contained at 75% or more by weight ratio in the high refractive index layer.

Abstract: Cyclo-olefin copolymer resin is contained as a binder resin, and concentration of a charge controlling agent on the surface of the toner is not less than 0.1 mg/toner 1 g, and less than 1.0 mg/toner 1 g. Furthermore, the toner is held on a non-magnetic sleeve, an electric field is applied between a photoreceptor and the sleeve, and the toner jumps to an electrostatic latent image on the surface of the photoreceptor. In this way, a toner for electrophotography in which image contamination is prevented and deterioration of image density caused by deterioration of jumping property is prevented by maintaining an appropriate amount of charge even in the non-contact developing method using the toner containing cyclo-olefin copolymer resin as a binder resin, can be provided.

Abstract: An adhesive layer is provided on a base material in the shape of an elongated film, powder particles are adhered thereon, and then other powder particles and media vibrated in a container are contacted with this adhesive layer. Next, the powder particles are embedded on the surface of the adhesive layer as a monolayer in which part of the powder particle protrudes, so as to form a laminate, and excess powder particles adhered to the laminate are removed. Therefore, a monolayer powder film, consisting of many powder particles embedded as a monolayer so that part thereof protrudes, is produced.

Abstract: An anti-glare film with no color alone is provided, and it is applied to a display by combining with a back light or liquid crystal cell, so that unnecessary coloring is avoided and superior coloring development properties are exhibited. In an anti-glare film having a transparent substrate and an anti-glare layer provided on at least one surface of the transparent substrate, the anti-glare layer is formed by transparent resin which disperses at least two kinds of resin fine particles, and when a layer is formed by transparent resin which disperses each kind of the resin fine particles alone and light transmittance spectrum in a visible light region of the layer is measured, each of the light transmittance spectra is different.

Abstract: An anisotropic light diffusion adhesive layer includes an adhesive material, and an acicular filler whose refractive index is different from that of the adhesive material, wherein the acicular filler is dispersed as oriented substantially in the same direction. It is desirable for the acicular filler to be colorless or white colored. An anisotropic light diffusion adhesive laminated assembly may also be manufactured by adhering together several such anisotropic light diffusion adhesive layers. This anisotropic light diffusion adhesive layer and anisotropic light diffusion adhesive laminated assembly may suitably be employed as an illumination device such as a backlight for a liquid crystal display device or the like.

Abstract: A powdery single-layer film laminate having excellent scratch resistance and stain resistance is produced. The powdery single-layer film laminate comprises a substrate, a binder layer and a powdery single-layer film composed of a large number of powdery particles embedded in a single-layer in a partially protruded state on the surface of said binder layer, and said binder layer has Tg of at least 60° C. or has substantially no Tg. An example of the method of producing it comprises applying a coating liquid of a polymer resin in an organic solvent to a substrate and drying to form a coating layer in which the organic solvent partially remains, attaching powdery particles to and embedding in the surface of the formed coating layer, and removing the excess powder attaching to the surface of the coating layer and removing the residual organic solvent.

Abstract: The invention provides a connection structure of optical fibers and a process for connecting optical fibers, by which the optical fibers are prevented from being damaged, the working time required for the connection is shortened, yield is improved, and efficiency of connection working is improved. The connection structure of optical fibers comprises 2 connecting members and brought face to face with each other and each having a through-hole and 2 optical fibers inserted into the respective through-holes of the connecting members. The 2 optical fibers are connected within the through-hole of one connecting member.

Abstract: An optical fiber connection component which is easy to adjust the distance between the optical fiber ends before connection, hardly damages the optical fiber during transportation or connection, and saves the number of parts and the cost, and a method for connecting optical fibers by using this component. The optical fiber connection component used for the optical fiber connection method consists of a connection member having one or more optical fiber through-holes provided with guides for rodlike coupling member at or near both side ends, rodlike coupling members, and a plug having through-holes for rodlike coupling members. The connection member is arranged in the plug slidably with the rodlike coupling member inserted in the plug. Two such optical fiber connection components are opposed to the optical fiber inserted in the through-hole to butt the through-holes of both the connection members against each other.

Abstract: An optical connecting method for optically connecting ends of a first optical fiber and a second optical fiber secured side to a first plug and a second plug, respectively, wherein the first optical fiber and the second optical fibers are threaded through the first and second plugs, and respective optical fiber is secured to respective plugs with securing parts, a bending step of bending a part of at least one of the first optical fiber and the second optical fibers that is present ahead of the securing part, an aligning step of aligning the first optical fiber and the second optical fibers and fixing a relative position between the first and second plugs, and an abutting step of abutting the first optical fiber and the second optical fibers by releasing flexure of at least one of the first optical fiber and the second optical fibers.

Abstract: The invention provides fluororesin fiber paper excellent in adhesion to a copper foil, heat resistance, chemical resistance, low water absorption and electric insulation and capable of being used as a substrate of a printed board suitable for use in high frequency, of which a low dielectric loss is required. The fluororesin fiber paper is a porous sheet obtained by forming a slurry comprising fluororesin fiber into a sheet by a wet paper making method and sintering the resultant sheet and has an average pore diameter of 0.5 to 50 ?m and a maximum pore diameter of at most 250 ?m. A copper-clad laminate for printed board is produced by laminating the fluororesin fiber paper and a copper foil having a ten point mean height of surface roughness profile (Rz) of 0.5 to 8.0 ?m on each other by means of vacuum hot pressing.

Abstract: An optical interconnection apparatus which is very easy to handle and does not cause excessive bending and breakage of the optical fibers when connecting with other optical apparatus is provided. The optical interconnection apparatus includes a base sheet and plural optical fibers two-dimensionally routed on the base sheet via an adhesive layer. The optical fibers form a routing pattern having at least a straight part, a crossing part, a curved part or a fiber pitch changing part. The apparatus further includes another base sheet this is adhered on the said routed optical fibers. The two base sheets have a different sizes so that one of the base sheets does not exist in the vicinity of the edge of the other base sheet at which the optical fibers are outwardly extended.

Abstract: An object of the present invention is to provide a flexible metallic layered product preferably used for a flexible printed board for flip chip bonding, which is required to have high heat resistance and pressure resistance by improving heat resistance of the flexible metallic layered product, in particular, improving heat resistance of the layer contacting the metallic layer, and a heat resistant adhesive composition. In order to achieve the object, the present invention provides a flexible metallic layered product comprising at least a three-dimensional cross-linking type thermosetting resin layer and a thermoplastic resin layer are layered on a metallic layer in this order.

Abstract: The invention provides a toner which can maintain sufficient image density upon continuous copying in a recycle system even under any environmental conditions without causing troubles such as fogging and toner dusting. The toner for recycle system comprises toner particles which contain, as a binder resin, at least a cycloolefin copolymer resin and, as a releasing agent, at least a polypropylene wax, and fine silica particles adhered to the surface of said toner particles. This toner is used for a toner recycling type developing method, in which the toner remaining on the surface of the photosensitive member is recovered into the developing device and is reused.

Abstract: A flexible metal stacked body includes: a metal layer; and a resin stacked body formed on the metal layer, in which the resin stacked body includes at least one thermosetting resin layer and at least one thermoplastic resin layer, one of the at least one thermosetting resin layer is provided adjacent to the metal layer, and the at least one thermosetting resin layer and the at least one thermoplastic resin layer are stacked alternately.

Abstract: An ink jet recording sheet is provided which on recording produces an image with excellent gloss, and which is capable of producing a vivid full color image with a high print density. The ink jet recording sheet comprises a support, and an ink receiving layer containing ?-alumina provided on top of this support, wherein the ink receiving layer contains at least 20% by weight of ?-alumina. The ink receiving layer may also contain ?-alumina and/or ?-alumina. Furthermore, the ink receiving layer preferably contains from 65 to 97% by weight of the alumina mixture.

Abstract: The object of the present invention is to provide a full-color toner for oil-less fixing that is able to maintain adequate image density over a long period of time in all types of environments even in the case of continuous printing of a large number of sheets, does not result in the occurrence of problems such as black spots (BS) caused by filming on the photosensitive member or fusing to developing members, demonstrates high image quality similar to that of silver halide photographs, namely, adequate glossiness, color mixing property (color reproduction property) and transparency as full-color images for printed images, and is able to demonstrate adequate optical transmittance in OHP images. In order to achieve the object, the present invention provides a full-color toner for oil-less fixing comprising a cyclo-olefin copolymer resin as a binder resin and a wax or waxes added as a release agent at the total weight of 7.

Abstract: The invention provides an optical sheet having and sufficiently exhibiting high light transparency and uniform light diffusivity. The optical sheet comprises transparent resin layers 2 and 3 and a fine particle layer 5 consisting of transparent fine particles 4 which are arranged as a monoparticle layer between the transparent resin layers 2 and 3 in an embedded state, wherein the refractive indexes of said transparent resin layers are different from that of said transparent fine particle. The optical sheet is produced by a process which comprises at least a step of forming a transparent resin layer having at least temporary stickiness on a substrate, a step of forming a fine particle layer by covering said transparent resin layer with transparent fine particles so as to form a monoparticle layer and fixing them, and a step of laminating a transparent resin layer on said fine particle layer.