Abstract: A CIS solar cell having flexibility and high conversion efficiency may be produced, using, as a substrate, a polyimide film which is prepared from an aromatic tetracarboxylic acid component comprising 3,3?,4,4?-biphenyltetracarboxylic dianhydride as the main component and an aromatic diamine component comprising p-phenylenediamine as the main component, and has a maximum dimensional change in the temperature-increasing step of from 25° C. to 500° C. within a range of from +0.6% to +0.9%, excluding +0.6%, based on the dimension at 25° C. before heat treatment.

Abstract: A polyimide precursor for obtaining a polyimide film having excellent adhesiveness to metals and improved transmittance in the UV-visible range, a polyimide in which the polyimide precursor is used, a polyimide film in which the polyimide is used, and a method for manufacturing a triazine compound used for manufacturing the polyimide precursor, polyimide film and polyimide.

Abstract: A switch device (1) includes the operation knob (20) supported to be swingable relative to a substrate (6), at least a first cam surface and a second cam surface (23a-1, 23b-1) formed along the swinging direction on a substrate-facing side of the operation knob, and first and second switch contacts (Ma, Mb) disposed on the substrate corresponding to the first and second cam surfaces. At a neutral position of the operation knob, the first switch contact and the second switch contact are maintained in mutually opposite ON/OFF states by a cam action of the first cam surface and the second cam surface.

Abstract: A polyimide film, which is produced by the reaction of a tetracarboxylic acid component comprising 3,3?,4,4?-biphenyltetracarboxylic dianhydride as the main component and a diamine component comprising p-phenylenediamine as the main component, is heated at a temperature of from 460° C. to 550° C., and then water or an alkaline aqueous solution is sprayed on a surface of the polyimide film for surface treatment, thereby improving adhesiveness, while maintaining the excellent properties inherent in the polyimide film.

Abstract: A display controller includes circuitry configured to cause a display device to display self-portrait photographing information in response to receiving an indication that the display device and an imaging unit are in a predetermined positional relationship.

Abstract: A method for manufacturing a polyimide-metal laminate including forming a polyimide film, in which at least surfaces of both sides of the film are formed by thermally fusion-bondable polyimide layers (a), and thermal compression-bonding metal layers on both sides of the polyimide film; in which forming the polyimide film includes reacting a tetracarboxylic dianhydride component with a diamine component containing a diamine compound represented by general formula (1) to give a solution of a polyamic acid (a), forming a self-supporting film from the solution of the polyamic acid (a) and imidizing the self-supporting film by heating at a maximum heating temperature of 440° C. or lower to form the polyimide layer (a); in which R1 represents hydrogen or alkyl or aryl having 1 to 12 carbon atoms; and R2 represents hydrogen or alkyl or aryl having 1 to 12 carbon atoms.

Abstract: A polyimide-metal laminate comprising a polyimide film and a metal layer for use as an electrode, which is formed on the side (Side B) of the polyimide film which was in contact with a support when producing a self-supporting film in the production of the polyimide film, is used to produce a CIS solar cell.

Abstract: A display controller includes circuitry configured to cause a display device to display self-portrait photographing information in response to receiving an indication that the display device and an imaging unit are in a predetermined positional relationship.

Abstract: Disclosed is a polyimide film prepared from an aromatic tetracarboxylic acid component and an aromatic diamine component, which has a dimensional change from 25° C. to 500° C. within a range of from ?0.3% to +0.6% based on the initial dimension at 25° C. The polyimide film may be used as a substrate for a CIS solar cell.

Abstract: A fuel gauge (15) provided with an inner structural body (27) that is formed of an insulator; an outer structural body (23) that is formed of an insulator and disposed on the outer circumference side of the inner structural body (27) over the entire circumference thereof; an inner electrode (29) that is attached to an outer circumferential surface of the inner structural body (27); and an outer electrode (25) that is attached to an inner circumferential surface of the outer structural body (23). The fuel guage measures the capacitance between the inner electrode and the outer electrode and detects the level of fuel that exists between the inner electrode and the outer electrode. The outer structural body is provided with a plurality of outer through-holes (31) that allow electric charge to move from an outer circumferential surface thereof to the outer electrode.

Abstract: An image capturing device includes an assistant image synthesizing unit that changes a degree of transparency of a first assistant image in a transparent background area set in a second assistance image, when generating a synthesized assistant image by synthesizing the first and second assistant images providing assistance information for capturing, and a display control unit that overlaps the synthesized assistant image with a captured image and displays the image on a display unit.

Abstract: A composite tank that can suppress electrification, corrosion and strength degradation, a wing comprising the composite tank, and a method for manufacturing the composite tank.

Abstract: Power conversion equipment which can detect a short circuit failure of series connected smoothing capacitors is provided. The equipment includes a capacitor failure detecting circuit having switch units, exciting resistors, contact resistors, and diodes. A switch unit is provided with an exciting circuit and a contact circuit, and when a predetermined current flows through the exciting circuit, the contact circuit is closed. The exciting circuit and an exciting resistor are alternately connected in series, and the contact circuit and a contact resistor are alternately connected in series. These serially-connected circuits are connected in parallel with each capacitor. When excitation of a switch circuit having a lowest potential is turned OFF, it is judged that one or more of the series connected capacitors has failed via a short circuit.

Abstract: A display controller includes circuitry configured to cause a display device to display self-portrait photographing information in response to receiving an indication that the display device and an imaging unit are in a predetermined positional relationship.

Abstract: A polyimide film for production of a wiring board having a metal wiring, which is formed by forming a metal layer on one side (Side B) of the polyimide film, and etching the metal layer; the polyimide film is curled toward the side (Side A) opposite Side B; and the curling of the polyimide film is controlled so as to reduce the drooping of the wiring board having a metal wiring formed thereon. The handling characteristics and productivity in IC chip mounting may be improved by the use of the polyimide film.

Abstract: A thermosetting solution composition composed of a biphenyltetracarboxylic acid compound containing a partial lower aliphatic alkyl ester of 2,3,3?,4?-biphenyltetracarboxylic acid and/or a partial lower aliphatic alkyl ester of 2,2?,3,3?-biphenyltetracarboylic acid, an aromatic diamine compound in a molar amount larger than a molar amount of the biphenyltetracarboxylic acid compound, a partial lower aliphatic alkyl ester of 4-(2-phenylethynyl)phthalic acid compound in a molar amount as much as 1.8-2.2 times a molar amount corresponding to a difference between the molar amount of the aromatic diamine compound and the molar amount of the biphenyltetracarboxylic acid compound, and an organic solvent composed of a lower aliphatic alcohol is of value for manufacture of a prepreg.

Abstract: A method for manufacturing a polyimide-metal laminate including forming a polyimide film, in which at least surfaces of both sides of the film are formed by thermally fusion-bondable polyimide layers (a), and thermal compression-bonding metal layers on both sides of the polyimide film; in which forming the polyimide film includes reacting a tetracarboxylic dianhydride component with a diamine component containing a diamine compound represented by general formula (1) to give a solution of a polyamic acid (a), forming a self-supporting film from the solution of the polyamic acid (a) and imidizing the self-supporting film by heating at a maximum heating temperature of 440° C. or lower to form the polyimide layer (a); in which R1 represents hydrogen or alkyl or aryl having 1 to 12 carbon atoms; and R2 represents hydrogen or alkyl or aryl having 1 to 12 carbon atoms.

Abstract: Disclosed is a polyimide foam made of an aromatic polyimide composed of a tetracarboxylic acid component, which is composed of 0 to 90% by mole of a 3,3?,4,4?-biphenyltetracarboxylic acid component and 100 to 10% by mole of a 3,3?,4,4?-benzophenone tetracarboxylic acid component and/or a 2,3,3?,4?-biphenyltetracarboxylic acid component, and a diamine component, which is composed of 50 to 97% by mole of m-phenylenediamine and 50 to 3% by mole of 4,4?-methylenedianiline. The polyimide foam can be produced easily, has uniform and fine cells, and has the mechanical properties required for practical use as a foam, such as flexibility that prevents the foam from cracking easily even when deformed and excellent cushioning properties, as well as heat resistance that can resist use at high temperatures.

Abstract: A coenzyme Q10-containing composition comprising a coenzyme Q10 and a hydrophilic fatty acid ester of a polyhydric alcohol; a coenzyme Q10-containing composition comprising a coenzyme Q10, a lipophilic fatty acid ester of a polyhydric alcohol and a hydrophilic fatty acid ester of a polyhydric alcohol; and a food or beverage comprising the coenzyme Q10-containing composition as defined above.

Abstract: An aircraft fuel tank that is capable of suppressing the occurrence of sparks on a pipe caused by a lightning current through the pipe during a lightning strike, and also suppressing static electricity charging of a pipe caused by flow electrification generated by the fuel. An aircraft fuel tank (1) in which a storage section is formed using a conductive upper skin (5), a conductive lower skin (7) and conductive spars (9), the tank comprising: pipes inside the tank, such as a refuel pipe (17), an engine feed pipe (19) and an inert gas pipe (21), which are disposed inside the storage section and are earthed (27) at a plurality of locations, and pipe outer surface layers (31) having semiconductor properties that are formed in an integrated manner on the outer surfaces of the pipes inside the tank such as the replenishing pipe (17), the supply pipe (19) and the gas pipe (21).