摘要:
Provided is an optical module in which wiring density may be reduced to ensure isolation between lines to reduce crosstalk. A flexible printed circuit includes: dielectric layers; a first pattern facing portion including a first ground conductor pattern and a first wiring pattern electrically connected to an electric terminal, which are facing each other through the dielectric layer; and a second pattern facing portion including a second ground conductor pattern and a second wiring pattern electrically connected to the electric terminal, which are facing each other through the dielectric layer, the second pattern facing portion facing the first pattern facing portion, in which when the dielectric layer is bent along a portion between the first pattern facing portion and the second pattern facing portion, at least one of the first ground conductor pattern and the second ground conductor pattern is located between the first wiring pattern and the second wiring pattern.
摘要:
A method of manufacturing an optical apparatus having an optical element, a holding member, and a base member includes preparing the holding member and fixing the optical element to the first member. The method further includes fixing a second member of the holding member to the base member and plastically deforming a first member of the holding member and the second member to adjust the position of the optical element.
摘要:
To provide a laminate excellent in weather resistance, moisture-proof property, adhesion between layers and its long-term stability, and a process for its production. A laminate comprising a substrate sheet containing a fluororesin, an adhesive layer, and a moisture-proof layer containing, as the main component, at least one inorganic compound selected from the group consisting of an inorganic oxide, an inorganic nitride and an inorganic oxynitride, laminated in this order, wherein the adhesive layer contains, as the main component, at least one metal oxide selected from the group consisting of zirconium oxide, tantalum oxide and hafnium oxide.
摘要:
An optical modulator includes first and second modulation waveguides, a demultiplexer, first and second phase adjustment waveguides that changes phases of a light of the first and second modulation waveguides, a multiplexer that combines light outputs from the first and second phase adjustment waveguides, a gain controller and a modulator bias controller in which voltages of the first and second modulation signals are controlled so that a result of adding light from the first modulation waveguide to light from the second modulation waveguide where light from the first modulation waveguide has a predetermined phase is equal to a result of adding light from the first modulation waveguide to light from the second modulation waveguide where light from the second modulation waveguide has a predetermined phase. A phase-adjustment bias controller that controls phase amounts changed by the first and second phase adjustment waveguides so as to cancel phase errors.
摘要:
To provide a laminate excellent in weather resistance, moisture-proof property, adhesion between layers and its long-term stability, and a process for its production. A laminate comprising a substrate sheet containing a fluororesin, an adhesive layer, and a moisture-proof layer containing, as the main component, at least one inorganic compound selected from the group consisting of an inorganic oxide, an inorganic nitride and an inorganic oxynitride, laminated in this order, wherein the adhesive layer contains, as the main component, at least one metal oxide selected from the group consisting of zirconium oxide, tantalum oxide and hafnium oxide.
摘要:
A fluororesin film, of which discoloration, a change in the visible light transmittance and a decrease in the mechanical strength can be suppressed for a long period of time even though it contains titanium oxide, the fluorescent film having a pigment dispersed in a fluororesin, which pigment are composite particles each comprising a particle containing titanium oxide, a first covering layer containing cerium oxide and a second covering layer containing silicon oxide in this order from the inside, wherein the amount of cerium oxide is from 5 to 30 parts by mass based on 100 parts by mass of titanium oxide, the amount of silicon oxide is from 5 to 60 parts by mass based on 100 parts by mass of titanium oxide, and the average particle size of the composite particles is from 0.15 to 3 μM; and a process for its production.
摘要:
To provide a fluororesin film on which no bubble streaks are formed even when it contains a sufficient amount of titanium oxide, in which deterioration of the fluororesin is suppressed, and which has a low transmittance of ultraviolet light at a wavelength of at most 360 nm and has excellent weather resistance and heat resistance, a method of its use, a backsheet for a solar cell module, and a solar cell module.A fluororesin film containing an ethylene/tetrafluoroethylene copolymer as the main component, to be used for an outermost layer of a backsheet of a solar cell module, which contains specific titanium oxide composite particles and has an arithmetic mean roughness Ra of the film surface to be in contact with the air of at most 3 μm, and a method of its use. Further, a backsheet 1 comprising a laminate having a fluororesin film 11, and a solar cell module comprising the backsheet.
摘要:
To provide a release film which does not need to be changed often for hot press and is easy to be changed; a releasable cushion material which can reduce the frequency of changing a cushion material main body; and a process for producing a printed board with good productivity and low cost.A release film 10 which is to be provided on a surface of a cushion material made of silicone rubber, and which has a layer 14 containing Si on one side of a substrate 12 made of a fluororesin; a releasable cushion material wherein the release film is provided on a surface of the cushion material made of silicone rubber so that the layer containing Si is located on the cushion material side; and a process for producing a printed board wherein, when a laminate of a printed board main body and coverlay films is subjected to hot press as sandwiched between press boards, the release film is disposed on a surface of the cushion material of the coverlay film side so that the layer containing Si is located on the cushion material side.
摘要:
To provide composite particles of which discoloration, decomposition and photocatalytic reaction of titanium oxide by ultraviolet rays are suppressed and which are excellent in resistance against hydrogen fluoride; a printing ink containing the composite particles; a resin film with a coating layer having a coating layer made of the printing ink, of which discoloration, a change in the visible light transmittance and a decrease in the mechanical strength are suppressed for a long period of time; and a coating composition containing the composite particles.As the composite particles, composite particles each comprising a particle containing titanium oxide, a first covering layer containing cerium oxide and a second covering layer containing silicon oxide in this order from the inside, wherein the amount of cerium oxide is from 3 to 30 parts by mass based on 100 parts by mass of titanium oxide, the amount of silicon oxide is from 5 to 60 parts by mass based on 100 parts by mass of titanium oxide, and the average particle size of the composite particles is from 0.15 to 3 μm, are used.
摘要:
Includes a stem with a hole, a dielectric sealed into the hole of the stem and including a pair of pin insertion holes, and a pair of high frequency signal pins that penetrate and fit into the pair of pin insertion holes of the dielectric, and constituting differential lines connected to an optical semiconductor element.