Abstract: Signal transmission crosstalk between substrates is suppressed even when light emitting elements or light receiving elements are densely arranged. Provided is an optical interconnection device 1 in which optical signals are sent and received between a plurality of semiconductor substrates arranged in a laminated manner. A light emitting element 2 or a light receiving element 3 arranged in one semiconductor substrate 10 includes a pn junction part 10pn that uses the semiconductor substrate 10 as a common semiconductor layer, and is formed on one surface side of the semiconductor substrate 10. For a pair of the light emitting element 2 and the light receiving element 3 respectively sending and receiving optical signals between the different semiconductor substrates 10, light emitted by the light emitting element 2 is transmitted through the semiconductor substrate 10 and received by the light receiving element 3.

Abstract: When a visible light image and an image of a long-wavelength region with a near-infrared wavelength or longer are acquired using one imaging sensor, a clear image of the long-wavelength region with the near-infrared wavelength or longer is obtained. In an imaging sensor 1 in an imaging device, a plurality of photoelectric conversion parts 2 (2A, 2B) are formed on one semiconductor substrate 10. The respective photoelectric conversion parts 2A in a group of the plurality of photoelectric conversion parts 2 (2A, 2B) exhibit spectral sensitivity characteristics that peak in a long-wavelength region with a near-infrared wavelength or longer. The plurality of photoelectric conversion parts 2 (2A, 2B) include photoelectric conversion parts 2B exhibiting spectral sensitivity characteristics that peak in a visible light region.

Abstract: An optical interconnection device for transmitting and receiving an optical signal between a plurality of laminated semiconductor substrates. The optical interconnection device has a plurality of light emitting elements or a plurality of light receiving elements that are arranged in one of the semiconductor substrates and have pn junction parts using the semiconductor substrate as a common semiconductor layer. The light emitting element and the light receiving element, which form a pair and which transmit and receive an optical signal between the different semiconductor substrates, emit and receive light at a common wavelength.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a cherry rose flower color and semi-creeping plant growth habit, is disclosed.

Abstract: Provided are a ferritic stainless steel having a corrosion resistance at a certain level or more and a temper-color removal performance at a certain level or more and a method for manufacturing the ferritic stainless steel. A ferritic stainless steel has a composition containing, by mass %, C: 0.001% to 0.030%, Si: 0.03% to 0.30%, P: 0.05% or less, S: 0.01% or less, Cr: more than 22.0% to 28.0%, Mo: 0.2% to 3.0%, Al: 0.01% to 0.15%, Ti: more than 0.30% to 0.80%, V: 0.001% to 0.080%, and N: 0.001% to 0.050%; Mn: 0.05% to 0.30% and Ni: 0.01% to 5.00%, or Mn: 0.05% to 2.00% and Ni: 0.01% to 0.30%; Nb: 0.05% or less as an optional component; and the balance being Fe and inevitable impurities, and the steel has a surface where TiN having a grain diameter of 1 ?m or more is distributed at a density of 30 particles/mm2 or more.

Abstract: An optical interconnection device for transmitting and receiving an optical signal between a plurality of laminated semiconductor substrates. The optical interconnection device has a plurality of light emitting elements or a plurality of light receiving elements arranged in one of the semiconductor substrates that have pn junction parts using the semiconductor substrate as a common semiconductor layer. The light emitting element and the light receiving element, which form a pair and which transmit and receive an optical signal between the different semiconductor substrates, emit and receive light at a common wavelength.

Abstract: A stainless steel for a fuel cell having good corrosion resistance throughout a wide potential range and a method for producing the same are provided. In particular, a coating having an intensity ratio [(OO/OH)/(Cr/Fe)] of 1.0 or more determined by X-ray photoelectron spectroscopy analysis is formed by performing an anodic electrolyzation treatment on a surface of a stainless steel in an electrolyte solution, the stainless steel containing 16% by mass or more of Cr and preferably having a composition that includes, in terms of percent by mass, C: 0.03% or less, Si: 1.0% or less, Mn: 1.0% or less, S: 0.01% or less, P: 0.05% or less, Al: 0.20% or less, N: 0.03% or less, Cr: 20 to 40%, at least one selected from Nb, Ti, and Zr, in total: 1.0% or less, and the balance being Fe and unavoidable impurities.

Abstract: Provided is a semiconductor ring laser apparatus including an Si semiconductor substrate, a ring resonator configured by an optical waveguide formed in the Si semiconductor substrate, a semiconductor laser part that is provided with a light emitting amplification part at least in a part of the optical waveguide and that generates two beams of laser light traveling around in opposite directions in the ring resonator, and a light detection part formed in the Si semiconductor substrate to extract the two beams of laser light from the ring resonator and detect a frequency difference between the two beams of laser light. The light emitting amplification part includes a pn junction obtained by annealing on a second semiconductor layer, which is obtained by doping a first semiconductor layer in the Si semiconductor substrate with boron at high concentration, the annealing being performed while radiating light onto the second semiconductor layer.

Abstract: A solar reflector plate maintains an excellent reflectance of a reflective layer and has excellent sand resistance and weather resistance. The solar reflector plate includes a substrate; a reflective layer provided onto the substrate; and a protective layer provided onto the reflective layer, wherein the protective layer contains silicon in an amount of 10% by mass to 60% by mass in terms of SiO2 and an organic substance, and has 1.5 to 3.2 oxygen atoms on average that form a chemical bond with silicon.

Abstract: Provided is ferritic stainless steel that realizes high corrosion resistance of a welded zone and that has high resistance to weld cracking. The ferritic stainless steel contains, by mass %, C: 0.001% to 0.030%, Si: 0.03% to 0.80%, Mn: 0.05% to 0.50%, P: 0.03% or less, S: 0.01% or less, Cr: 19.0% to 28.0%, Ni: 0.01% to less than 0.30%, Mo: 0.2% to 3.0%, Al: more than 0.15% to 1.2%, V: 0.02% to 0.50%, Cu: less than 0.1%, Ti: 0.05% to 0.50%, N: 0.001% to 0.030%, and Nb: less than 0.05%. The expression Nb×P?0.0005 is satisfied in which each element symbol represents the content (by mass %) of the element, and the balance is Fe and inevitable impurities.

Abstract: Provided are a stainless steel for a proton-exchange membrane fuel cell separator having high durability and a low contact resistance (i.e., high electrical conductivity) and a proton-exchange membrane fuel cell using the same. More specifically, a stainless steel for a proton-exchange membrane fuel cell separator has a composition comprising 0.03% mass % or less of C, 16-45 mass % of Cr, 0.03 mass % or less of N, 0.1-5.0 mass % of Mo, wherein a total of the C content and the N content satisfies 0.03 mass % or less; a balance portion is comprised of Fe and unavoidable impurities; an atomic ratio of Cr/Fe with respect to Al, Cr, and Fe contained in a passive film on a surface of the stainless steel is 1 or greater.

Abstract: The invention provides ferritic stainless steels exhibiting good weldability and excellent corrosion resistance even under such welding conditions that sensitization is induced. The ferritic stainless steel includes, by mass %, C: 0.001 to 0.030%, Si: more than 0.3 to 0.55%, Mn: 0.05 to 0.50%, P: not more than 0.05%, S: not more than 0.01%, Cr: 19.0 to 28.0%, Ni: 0.01 to less than 0.30%, Mo: 0.2 to 3.0%, Al: more than 0.08 to 1.2%, V: 0.02 to 0.50%, Cu: less than 0.1%, Nb: 0.005 to 0.50%, Ti: 0.05 to 0.50%, and N: 0.001 to 0.030%, the balance being Fe and inevitable impurities, the ferritic stainless steel satisfying Equations (1) and (2).

Abstract: A stainless steel having a low surface contact resistance for fuel cell separators is provided. The stainless steel has a Cr content of 16 to 40 mass % or more. The stainless steel includes a region having a fine textured structure on its surface, and the area percentage of the region is 50% or more, preferably 80% or more. The region having a fine textured structure is a region which has a structure having depressed portions and raised portions at an average interval between depressed portions or raised portions of 20 nm or more and 150 nm or less when observed with a scanning electron microscope.

Abstract: Stainless steel for fuel cell separators are provided which exhibit stable contact resistance characteristics and excellent practical utility. The stainless steel contains not less than 16 mass % of Cr. When the surface configuration of the stainless steel is analyzed with a scanning electron microscope at a spatial resolution of not more than 0.1 ?m, the surface modulus is not less than 1.02. Preferably, the chemical composition further includes C: not more than 0.03%, Si: not more than 1.0%, Mn: not more than 1.0%, S: not more than 0.01%, P: not more than 0.05%, Al: not more than 0.20%, N: not more than 0.03%, Cr: 16 to 40%, and one or more of Ni: not more than 20%, Cu: not more than 0.6% and Mo: not more than 2.5%, the balance being Fe and inevitable impurities.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a rose with vein flower color and mounding plant growth habit is disclosed.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a purplish-rose flower color and semi-creeping growth habit is disclosed.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a purplish-rose flower color and semi-creeping growth habit is disclosed.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a rose flower color with red-purple veins and purple mid vein and mounding plant growth habit is disclosed.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a pink with red-purple vein flower color and mounding plant growth habit is disclosed.

Abstract: A new Petunia-Calibrachoa hybrid plant particularly distinguished by having a cherry rose flower color and semi-creeping plant growth habit, is disclosed.