Abstract: The object of the present invention is to provide an optical laminate capable of reducing reflectance not only with respect to light incident vertically but also light incident obliquely, and further capable of obtaining a neutral reflected color tone even when light is incident obliquely. The optical laminate includes a base material, an antireflection film provided on one surface of the base material, and a light shielding film provided on the other surface of the base material. The optical laminate satisfies all of the following characteristics (i) to (iii): 0.5<R(?1a,?1a)/R(?1b,?1b)<1.5;??(i) Y(?2)?3%; and??(ii) Y(?3)?10%;??(iii) in which R (?, ?) designates reflectance when light of a wavelength of ? nm is incident at an angle of ?, provided that ?1a=380 nm, ?1a=60° and ?1b=650 nm, ?1b=60°; and Y (?) designates luminous reflectance at an incident angle of ?, provided that ?2=5° and ?3=60°.

Abstract: A reflective transparent screen (1) capable of displaying an image light projected from a projector as an image to an observer who is on the same side as the projector, is provided with two transparent substrates and a metal thin film (23) sandwiched therebetween, wherein the color tone of the image light reflected from the metal thin film (23) or the image visibility is improved by adjusting the metallic composition of the metal thin film (23).

Abstract: To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 ?m; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.

Abstract: The object of the present invention is to provide an optical laminate capable of reducing reflectance not only with respect to light incident vertically but also light incident obliquely, and further capable of obtaining a neutral reflected color tone even when light is incident obliquely. The optical laminate includes a base material, an antireflection film provided on one surface of the base material, and a light shielding film provided on the other surface of the base material. The optical laminate satisfies all of the following characteristics (i) to (iii): 0.5<R(?1a,?1a)/R(?1b,?1b)<1.5;??(i) Y(?2)?3%; and??(ii) Y(?3)?10%;??(iii) in which R (?, ?) designates reflectance when light of a wavelength of ? nm is incident at an angle of ?, provided that ?1a=380 nm, ?1a=60° and ?1b=650 nm, ?1b=60°; and Y (?) designates luminous reflectance at an incident angle of ?, provided that ?2=5° and ?3=60°.

Abstract: Provided is a sample plate for mass spectrometric analysis, which comprises a substrate and a metal thin film formed on the substrate. The metal thin film contains Ag, Al or Cu as the main component and further contains a specific additive element MAg, MAl or MCu depending on the element as the main component, in a ratio (MAg/Ag) of the total number of atoms of the additive element MAg to the number of atoms of Ag of from 0.001 to 0.5, a ratio (MAl/Al) of the total number of atoms of the additive element MAl to the number of atoms of Al of from 0.001 to 0.5, or a ratio (MCu/Cu) of the total number of atoms of the additive element MCu to the number of atoms of Cu of from 0.001 to 0.5.

Abstract: A reflective transparent screen (1) capable of displaying an image light projected from a projector as an image to an observer who is on the same side as the projector, is provided with two transparent substrates and a metal thin film (23) sandwiched therebetween, wherein the color tone of the image light reflected from the metal thin film (23) or the image visibility is improved by adjusting the metallic composition of the metal thin film (23).

Abstract: To provide an image projecting structure having a wide viewing angle and whereby the visibility of a projected image is high. The image projecting structure comprises a first transparent layer having irregularities formed on its surface, a reflective film formed on the surface on which the irregularities are formed, of the first transparent layer, and a second transparent layer formed on the reflective film, wherein the transmittance of visible light is from 5 to 95%; the value obtained by dividing the haze by the diffuse reflectance of visible light is at least 0.1 and at most 1; the vertical difference Sk in the core section defined by ISO 25178, of the surface on which the irregularities are formed, is at least 0.1 ?m; and the value obtained by dividing the shortest autocorrelation length Sal by the vertical difference Sk in the core section is at least 1.2 and at most 190.

Abstract: To provide a sample plate for mass spectrometric analysis, which requires no use of a matric in combination, of which the ionization-assisting effect will hardly decrease with the lapse of time, of which in-plane dispersion of the ionization-assisting effect is small, with which a favorable efficiency of formation of cationized sample molecules is achieved without using a cationizing agent in combination, and which can easily be produced, a mass spectrometric analysis method and a mass spectrometric analysis device using it. A sample plate for mass spectrometric analysis, which comprises a substrate 12 and a metal thin film 14 formed on the substrate 12, wherein the metal thin film contains Ag, Al or Cu as the main component and further contains a specific additive element MAg, MAl or MCu depending on the element as the main component, in a ratio (MAg/Ag) of the total number of atoms of the additive element MAg to the number of atoms of Ag of from 0.001 to 0.

Abstract: An organic LED element has a plurality of light emitting regions that are connected in series is provided, and the light emitting regions include a first electrode and a second electrode, between two adjacent light emitting regions. The first electrode of one light emitting region and the second electrode of another light emitting region are connected via a barrier layer, and a C concentration in an interface region between the first electrode and the barrier layer, or an interface region between the second electrode and the barrier layer, is 10 atomic % or lower.

Abstract: To provide a fluorinated ether composition capable of satisfying both high lubricity and high adhesive property, a lubricant, surface modifier or surfactant containing the fluorinated ether composition, and a liquid composition containing the fluorinated ether composition. The fluorinated ether composition comprises a fluorinated ether compound (A) represented by (X)n—YA—(Z)m and a fluorinated ether compound (B) represented by (X)s—YB—(Z)t, wherein the content of the fluorinated ether compound (A) is from 15 to 80 mass % to the total amount of the fluorinated ether compound (A) and the fluorinated ether compound (B), and in the above formulae, X is HO—CH2—P1-[(CaF2aO)b(CFQ1CF2O)c]—, Z is R—P2—[(CdF2dO)e(CFQ2CF2O)f]—, n is 5 or 6, m is an integer of from 0 to 10, n+m is an integer of from 5 to 16, s is an integer of from 0 to 4, t is an integer of from 0 to 10, s+t is an integer of from 2 to 14, and each of YA and YB is a linking group.

Abstract: The present invention provides a TiO2—SiO2 glass in which when used as an optical member for an exposure tool for EUVL, a thermal expansion coefficient is substantially zero at the time of irradiation with high-EUV energy light, and physical properties of a multilayer can be kept over a long period of time by releasing hydrogen from the glass. The present invention relates to a TiO2-containing silica glass having a fictive temperature of 1,100° C. or lower, a hydrogen molecule concentration of 1×1016 molecules/cm3 or more, and a temperature, at which a linear thermal expansion coefficient is 0 ppb/° C., falling within the range of from 40 to 110° C.

Abstract: The present invention provides a TiO2—SiO2 glass in which when used as an optical member for an exposure tool for EUVL, a thermal expansion coefficient is substantially zero at the time of irradiation with high-EUV energy light, and physical properties of a multilayer can be kept over a long period of time by releasing hydrogen from the glass. The present invention relates to a TiO2-containing silica glass having a fictive temperature of 1,100° C. or lower, a hydrogen molecule concentration of 1×1016 molecules/cm3 or more, and a temperature, at which a linear thermal expansion coefficient is 0 ppb/° C., falling within the range of from 40 to 110° C.

Abstract: A connection method for connecting an end of a signal wire (53) of a cable (51) to the connecting face of a contact (59) of a connector (52). The lengthwise direction of the connecting face of the contact (59) and the lengthwise direction of the signal wire (53) are mutually matched in connection. The end of the signal wire (53) is pressured against the connecting part by a pair of electrodes (69A, 69B) disposed in mutual separation in the lengthwise direction of the signal wire (53), and an electric current is passed between the pair of electrodes (69A, 69B). Thereby, the end of the cable (51) and the connecting part are mutually welded.

Abstract: A laminate having improved visible light transmittance and abrasion resistance, which comprises a substrate, and a titanium oxide layer, a metal layer and a titanium oxide layer laminated alternately in this order on the substrate in (2n+1) layers (wherein n is a positive integer), wherein an interlayer having a refractive index of less than 2.4 at a wavelength of 550 nm is interposed at at least one interlaminar boundary between the titanium oxide layer and the metal layer.

Abstract: In a connection method for connecting an end of a signal wire (53) of a cable (51) to the connecting face of a contact (59) of a connector (52) the cable (51), in which the lengthwise direction of the connecting face and the lengthwise direction of the conductor (53) are mutually matched in connection, the end of the signal wire (53) is pressured against the connecting part by a pair of electrodes (69A, 69B) disposed in mutual separation in the lengthwise direction of the signal wire (53) and an electric current is passed between the pair of electrodes (69A, 69B), and thereby the end of the cable (51) and the connecting part are mutually welded.

Abstract: The present invention, relating to a method for removing dimethyl sulfide and tertiary butyl mercaptan present in city gas as the odorants, is aimed at removal of the sulfur compounds from city gas. The present invention removes dimethyl sulfide and tertiary butyl mercaptan in city gas in the presence of a sulfur compound adsorbent containing one of faujasite, &bgr;, L and MFI type zeolite. The adsorbent, being composed of zeolite and an inorganic binder, can be regenerated under heating.

Abstract: A light absorptive antireflector provided with a titanium oxy-nitride film having a geometrical film thickness of from 5 to 25 nm, wherein O/Ti (atomic ratio)=0.11 to 0.33, and a film composed mainly of silica and having a geometrical film thickness of from 70 to 130 nm, and a process for its production.