Abstract: A glass antenna is installed on a glass having a first edge and a second edge opposite the first edge. A first antenna element extends linearly in a direction from the first edge to the second edge of the glass. A second antenna element extends in a direction opposite to the direction of the first antenna and is connected to a grounding point provided on the first edge of the glass. At least one third antenna element extends along the circumference of the glass and intersects one of a tip of the first antenna element and a base of the second antenna element.

Abstract: A glass substrate for a reflective mirror of a rear projection television (RPTV) which ensures display quality by quantitative control, and can reduce control cost and manufacture cost is provided. A reflective mirror 3 of the rear projection television (RPTV) includes a float glass plate (glass substrate) 1 formed to have a plate thickness of 3 mm by a float process, and a reflection enhancing film 2 constituted of aluminum (Al) formed on one surface 1a of the glass substrate 1 by a sputtering method. In the measurement condition of a cut-off value of 0.8 to 8 mm, the maximum amplitude of a filtered waviness curve is 0.1 ?m or less, the maximum value of a viewability index value ? (=A/D3) in a range of spatial frequencies 2 to 500/mm by spectral analysis of the filtered waviness curve is 0.02 (/m2) or less, and an integral value of the viewability index value ? is 2.0 (/m3) or less.

Abstract: In a rod lens array having a structure in which a plurality of rod lens elements are arranged between two side panels and a resin is filled and cured in spaces between the rod lens elements to be integrally formed, the side panels are made of a glass fiber reinforced epoxy resin and a phenol-based curing agent is used as a curing agent of the epoxy resin. In detail, the curing agent is exemplified by a phenol-based curing agent including a tris-hydroxyphenyl-methane skeleton.

Abstract: A vehicular antenna apparatus includes a radiating conductor directly patterned on a glass surface of a vehicle, a base plate fixed to the glass surface, a frame screwed to the base plate, a power feeding substrate and a circuit substrate accommodated and held in the frame, a connecting small substrate electrically connecting both substrates, and a cover attached on the top of the frame. A patterned surface of the power feeding substrate is close to and faces the glass surface, and thereby indirect power feeding can be performed. Both ends of the connecting small substrate are received in connecting holes. A power feeding pattern and a preamplifier circuit are connected via a microstrip line.

Abstract: In a wavelength selective optical device, a lens for transmitting multiplexed optical signals having a plurality of wavelengths is provided to face an end of a first optical fiber such that light output from the end of the first optical fiber is converted into parallel light, and an optical filter is provided at a location to which the parallel light output from the lens is input. A second optical fiber is provided at a location in which the light reflected from the optical filter is input to the lens again to be focused by the lens. The lens is configured by bonding the ends of two gradient index rod lenses having different refractive index distribution constants and the substantially same outer diameter to each other to align their optical axes to each other.

Abstract: An optical film which enables desired optical properties to be obtained easily, and enables the durability to be improved. A metal film 32 is formed on an inner major surface 12a of a glass substrate 12. A plurality of first island structures 33 is formed scattered as islands on an inner major surface 32a of the metal film 32. A plurality of second island structures 31 is formed scattered as islands on the inner major surface 12a of the substrate 12. At least one set of the plurality of first island structures 33 and the plurality of second island structures 31 are made of at least one selected from the group consisting of metals and metal oxides having a different standard electrode potential to a metal of the metal film 32.

Abstract: The invention is an coated article composed of a substrate and an organic-inorganic composite film, which is coated on the substrate and has an oxide of a cation atom capable of forming an oxide network coated on the surface of the substrate, and the same has a part of oxygen of the oxide substituted by an organic group, wherein the organic-inorganic composite film includes alkaline metal oxides at a ratio of 0.1 through 30% of the total number of the alkaline metal atoms and the cation atoms expressed in terms of the number of alkaline metal atoms, and the article coated with a high-performance organic-inorganic composite film, is able to withstand outdoor uses and has high hardness.

Abstract: There is provided a planar light emitter which is easy to manufacture and is capable of preventing degradation of a light-emitting layer which would otherwise occur over a long time period. The planar light emitter 4 is comprised of an organic EL laminate 1 in the form of a flat plate, and transparent intermediate films 3a and 3b filling spaces between the organic EL laminate 1 and two plate glasses 2a and 2b arranged in facing relation to each other to sandwich the organic EL laminate 1 such that they are each spaced therefrom by a predetermined distance. The intermediate films 3a and 3b are each larger in area than the organic EL laminate 1, and bonded to each other around the periphery of the organic EL laminate 1.

Abstract: An optical film which enables desired optical properties to be obtained easily, and enables the durability to be improved. A metal film 32 is formed on an inner major surface 12a of a glass substrate 12. A plurality of first island structures 33 is formed scattered as islands on an inner major surface 32a of the metal film 32. A plurality of second island structures 31 is formed scattered as islands on the inner major surface 12a of the substrate 12. At least one set of the plurality of first island structures 33 and the plurality of second island structures 31 are made of at least one selected from the group consisting of metals and metal oxides having a different standard electrode potential to a metal of the metal film 32.

Abstract: An on-board antenna including a radiation element provided on a dielectric substrate, and a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion, wherein the radiation element has an inner cut-out portion so that the surface of the dielectric substrate to be exposed therethrough.

Abstract: An on-board antenna having a grounding conductor provided on a surface of a first dielectric substrate and an antenna element including a first radiation element provided on the surface of the first dielectric substrate and a second radiation element provided on the first radiation element so as to protrude from a surface of the first dielectric substrate and extend in a vertical direction.

Abstract: An on-board antenna comprising a radiation element provided on a dielectric substrate, a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion, a substantially box-shaped reflecting member including an opening thereof. The opening of the reflecting member is closed by the surface of the dielectric substrate so as to face the radiation element, and a conductive member is provided at least partially on an inner surface of the reflecting member.

Abstract: The present invention provides a substrate for photoelectric conversion devices including an undercoating film and a conductive film that are formed sequentially on a glass sheet. Chloride fine particles are present in the undercoating film or at the interface between the undercoating film and the conductive film. Convex portions are formed on the surface of the conductive film above the chloride fine particles.

Abstract: A high transmittance glass sheet is provided that is formed of a soda-lime-silica glass composition containing, expressed in wt. %, less than 0.020% of total iron oxide in terms of Fe2O3 and 0.006 to 2.0% of zinc oxide. The glass sheet allows the formation of nickel sulfide particles to be suppressed by the addition of a zinc compound to a glass raw material.

Abstract: An on-board antenna includes a radiation element provided on a dielectric substrate, a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion, and a conductive member provided on the surface at a position spaced away outwardly from an outer edge portion of the grounding conductor.

Abstract: An on-board antenna having a grounding conductor provided on a surface of a first dielectric substrate and an antenna element including a first radiation element provided on the surface of the first dielectric substrate and a second radiation element provided on the first radiation element so as to protrude from a surface of the first dielectric substrate and extend in a vertical direction.

Abstract: An on-board antenna including a radiation element provided on a dielectric substrate, and a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion, wherein the radiation element has an inner cut-out portion so that the surface of the dielectric substrate to be exposed therethrough.

Abstract: An on-board antenna comprising a radiation element provided on a dielectric substrate, a grounding conductor surrounding a periphery of an outer edge portion of the radiation element at a position spaced away outwardly from the outer edge portion, a substantially box-shaped reflecting member including an opening thereof. The opening of the reflecting member is closed by the surface of the dielectric substrate so as to face the radiation element, and a conductive member is provided at least partially on an inner surface of the reflecting member.

Abstract: A process for producing an article having a fine uneven surface, coated with a film which has high heat resistance, does not crack and does not peel off from a substrate. The process for producing the article comprises disposing a film-forming solution between a substrate and a mold in the form of a film so as to make the solution closely contact with the substrate and the mold, said solution being prepared by carrying out the hydrolysis and dehydration polycondensation reaction of a stock solution containing a specific silane compound (A) having an unhydrolyzable organic group and a hydrolyzable group, a specific silane compound (B) having a hydrolyzable group and a catalyst, and heating to form an article having an uneven film having a surface shape which is the inversion of the surface shape of the mold on the surface of the substrate. The film-forming solution contains the above silane compounds (A) and (B) in the form of unhydrolysates in amounts of 0.5 to 40 wt % and 0.

Abstract: The optical module has a semiconductor light emitting device, a lens, a holder for the device and the lens, and a receptacle core onto which a ferule of a counter optical plug is to be fitted. When the optical plug is connected, the semiconductor light emitting device is optically coupled with an optical fiber in the ferule by the lens. A step portion which forms a circular opening with setting the optical axis as the center axis and which eliminates coupling undesired light is disposed at a position which is on an emission side of the lens with respect to a contacting position of the-holder and the lens. Preferably, the optical module satisfies the following expressions:0.9<.phi./(NA.times.L.sub.1)<1.3 and L.sub.2 <L.sub.1 /2where .phi. is a diameter of the circular opening, NA is a numerical aperture of the optical fiber, L.sub.1 is a distance between an opening end on the side of the lens and the optical fiber, and L.sub.