Abstract: A connection terminal includes a frame body including first and second support parts positioned to face each other; and a third support part having first and second ends connected to an end of the first support part and an end of the second support part, respectively; first elastic contact pieces provided on the first support part on a first side from which a terminal is to be inserted and having respective first contact parts configured to contact a peripheral surface of the terminal; second elastic contact pieces provided on the second support part on the first side and having respective second contact parts configured to contact the peripheral surface of the terminal and positioned to face the first contact parts; and a third elastic contact piece provided on the frame body on a second side opposite to the first side and configured to contact an end portion of the terminal.

Abstract: To produce a cell culture membrane having biocompatibility utilizing DNA of natural resources and a cell culture kit, the cell culture membrane having DNA ionically-cross-linked with calcium ions or magnesium ions is provided. To produce a porous material utilizing DNA, a production method for a cell culture membrane and a production method for a porous material, fine pores of 1 nm to 100 ?m in diameter are prepared in the porous material.

Abstract: A hemispherical Luneberg dielectric lens including a hemispherical center layer having a hemispherical outer surface, and a plurality of hemispherical dome-shaped layers each having concentric hemispherical inner and outer surfaces, the outer surfaces of the center layer and dome-shaped layers having different diameters and the inner surfaces of said dome-shaped layers having different diameters. The center layer and dome-shaped layers are successively concentrically fitted into one another and integrated into a hemispherical shape. The center layer is a foam molding of ceramic-containing thermoplastic resin expanded beads, while each of said dome-shaped layers is a foam molding of thermoplastic resin expanded beads containing 0 to 80% by weight of a ceramic. The ceramic content per unit volume of the center and dome-shaped layers decreases from the center layer to the outermost dome-shaped layer, and the standard deviation of the apparent density of each of the center and dome-shaped layers is 0.

Abstract: In a radio wave lens antenna, a lens cover for covering the surface of the lens is stably fixed to the reflector. The antenna has a semispherical Luneberg lens, a semispherical shell-shaped lens cover for covering the surface of the lens, a radio wave reflector, a ring-shaped plate placed along the outer circumference of the lens, a primary feed placed at the focal point of the lens, and a holding part for the primary feed. A flange provided at the opening edge of the lens cover is clamped by the reflector and the plate to fix the lens cover to the reflector, and more preferably, the lens cover is caused to be in contact with the lens, and the lens is pressed also in the radial direction by the plate via the lens cover.

Abstract: A radio wave lens antenna device including a semispherical Luneburg lens and a radio wave reflection plate. The radio wave lens antenna device prevents the signal reception sensitivity from being lowered in rain or snow. The radio wave lens antenna device includes a semispherical Luneburg lens 1, a radio wave reflection plate 2 that is larger than the diameter of the lens, an antenna element 3, and a holder 4 that holds the antenna element. The radio wave reflection plate 2 is arranged in an erected state. An ice-snow-water resistant means, which includes a first cover 5 and a second cover 6, prevents rain, snow, and ice from collecting and running off the Luneburg lens.

Abstract: In a radio wave lens antenna, a lens cover for covering the surface of the lens is stably fixed to the reflector. The antenna has a semispherical Luneberg lens, a semispherical shell-shaped lens cover for covering the surface of the lens, a radio wave reflector, a ring-shaped plate placed along the outer circumference of the lens, a primary feed placed at the focal point of the lens, and a holding part for the primary feed. A flange provided at the opening edge of the lens cover is clamped by the reflector and the plate to fix the lens cover to the reflector, and more preferably, the lens cover is caused to be in contact with the lens, and the lens is pressed also in the radial direction by the plate via the lens cover.

Abstract: A hemispherical Luneberg dielectric lens including a hemispherical center layer having a hemispherical outer surface, and a plurality of hemispherical dome-shaped layers each having concentric hemispherical inner and outer surfaces, the outer surfaces of the center layer and dome-shaped layers having different diameters and the inner surfaces of said dome-shaped layers having different diameters. The center layer and dome-shaped layers are successively concentrically fitted into one another and integrated into a hemispherical shape. The center layer is a foam molding of ceramic-containing thermoplastic resin expanded beads, while each of said dome-shaped layers is a foam molding of thermoplastic resin expanded beads containing 0 to 80% by weight of a ceramic. The ceramic content per unit volume of the center and dome-shaped layers decreases from the center layer to the outermost dome-shaped layer, and the standard deviation of the apparent density of each of the center and dome-shaped layers is 0.

Abstract: The present invention provides a method for performing a biological test under conditions in which an artificially prepared cell pattern with initial position coordinates that can be determined is three-dimensionally cultured within a gelled matrix. The present invention relates to a biological test method that comprises testing a biological indicator with reference to at least one selected from the group consisting of cell proliferation, cell movement, and cell differentiation in a cell pattern substantially embedded in gel. The present invention also relates to a kit for the biological test method.

Abstract: An expanded polypropylene bead for forming a dielectric material, including a polypropylene resin containing a ceramic in an amount of from 10 to 80 wt %, having an apparent density of from 0.03 to 1.7 g/cm3, having an intrinsic endothermic peak specific to the polypropylene resin on a DSC curve obtained by a differential scanning calorimetry, and also an endothermic peak at a higher temperature side of the intrinsic endothermic peak, and in that a caloritic value of the endothermic peak at the higher temperature side represents from 2 to 35% of a caloritic value of the peaks of the entire endothermic curve.

Abstract: A compact lens antenna assembly A which is a Luneberg lens antenna comprising a hemispherical lens and a reflecting plate so as to converge incoming radio waves on a feed, and which can receive radio waves from not only a geostationary satellite or an orbiting satellite with high gain even if the incidence angle of the incoming radio waves is large includes lens antenna body 10 including a base plate 11, a reflecting plate 13 and a hemispherical lens 14 made by laminating dielectric materials. The plate 13 and the lens 14 are rotatably mounted on the base plate 11. The antenna body further includes feeds 16a and 16b that can be moved to a desired position along guide rails 15. The antenna assembly further includes a reflecting plate support means 20 mounted on a base 21 and capable of inclining the reflecting plate 13 in a desired direction. By inclining the reflecting plate 13, the incidence angle of radio waves from the satellite is adjustable to a value within a predetermined range.

Abstract: An antenna device using an approximate Luneberg lens, wherein high gain and low side-lobe are made compatible. A lens antenna device comprising, combine with each other, a radio wave lens (1) formed of a dielectric satisfying the condition, 0<a?r, where the distance from the front surface of a lens (4) to the focal point of the lens is a, and the radius of the lens r, and a primary radiator (2) having a 10-dB beam width ? wherein A, determined by the expression, A=?/2×(1+2a/r), is at least 40 and up to 80, more preferably at least 50 and up to 70.

Abstract: An object of the present invention is to provide a means capable of transferring a cell sheet, a cell pattern or the like to a desired material at a high speed. The present invention provides a substrate for cell culture comprising a base and a cell adhesive region formed on a surface of the base, wherein the cell adhesive region is formed of a film that is rendered cell adhesive by applying an oxidation treatment and/or a decomposition treatment to a cell-adhesion inhibitory hydrophilic film containing an organic compound having a carbon-oxygen bond.

Abstract: An easy-to-install Luneberg lens antenna device is constituted by combining a hemispherical Luneberg lens and a radio wave reflector. The Luneberg lens antenna device comprises an antenna fixing jig (2), and a fixing means, e.g., a bolt (3), for fixing the radio wave reflector (1b) of the antenna device (1) removably to the antenna fixing jig (2). The reflector (1b) and the antenna fixing jig (2) are previously provided, respectively, with fixing parts for fixing by the fixing means, the antenna fixing jig (2) is fixed to an antenna installing section and the reflector (1b) is fixed to the antenna fixing jig (2) by the fixing means.

Abstract: An antenna device using an approximate Luneberg lens, wherein high gain and low side-lobe are made compatible. A lens antenna device comprising, combine with each other, a radio wave lens (1) formed of a dielectric satisfying the condition, 0<a?r, where the distance from the front surface of a lens (4) to the focal point of the lens is a, and the radius of the lens r, and a primary radiator (2) having a 10-dB beam width ? wherein A, determined by the expression, A=?/2×(1+2a/r), is at least 40 and up to 80, more preferably at least 50 and up to 70.

Abstract: Lens antenna equipment including a hemispherical Luneberg lens made of dielectric, a reflector which has a size larger than the lens diameter and which is to be provided on a face equivalent to a cross-section made by halving a globular shape of the lens, a primary feed to be arranged at a focus part of the lens, and an arm for holding the primary feed, all of which are unitarily assembled together, wherein the holder of the arm can be turned about an axis that is a perpendicular line passing the center of the lens when the reflector is attached to its installation position in a substantially perpendicular manner with respect to the ground surface, and wherein the primary feed can be moved along the surface of the lens, on a plane that is perpendicular to the axis passing the center of the lens, and on a semicircle centering the axis.

Abstract: A multi-beam lens antenna for individual communication with communication satellites spaced at small elongations. The multi-beam antenna comprises primary feeds 3 each of which is composed of a waveguide having an opening at the end and a dielectric body 6 disposed at the end, a hemispherical Luneberg radio wave lens, and a reflective plate attached to the circular opening of the hemispherical radio wave lens and adapted for reflecting a radio wave incoming from the sky or emitted toward a target. The waveguides are preferably rectangular waveguides 4 rather than circular waveguides 5. The dielectric bodies 6 are preferably tapered.

Abstract: In accordance with the present invention, an implant in which cells are arranged in a fine pattern that is available for immediate implantation and that does not need to be removed after implantation is provided. The present invention relates to a cell-containing sheet, which comprises cells and a support comprising a bioabsorbable material, in which the support has a cell adhesion protein-containing layer on the surface thereof and the cells form a pattern on the support.

Abstract: It is an object of the present invention to provide a dielectric resin foam which has high and uniform dielectric properties and is preferable for use as various dielectric materials. A dielectric resin foam obtained by expanding a resin composition comprising a synthetic resin and a fibrous and/or plate-like dielectric inorganic filler is provided.

Abstract: A luneberg lens, which is configured by combining a plurality of lens parts, has a problem on keeping of a combined condition of lens parts and securement of good moisture prevention, and displacement of lens parts not only becomes a cause of cost-up but also has a bad influence on an electric performance, and furthermore, intrusion of moisture and humidity deteriorates an electric performance, and therefore, these problems are solved by a simple and inexpensive method. A lens portion 2, which is configured by combining lens parts of spherical core and spherical shell-like resin foams, is configured by a luneberg lens which is sealed by a synthetic resin film 3 which is formed along a surface of that lens portion 2 and in which a thickness is 100 ?m or less and of which own relative dielectric constant is higher than a relative dielectric constant of the outermost layer of the above-mentioned lens portion.