Abstract:
PROBLEM TO BE SOLVED: To provide a particle material having excellent dispersibility, with which good conductive properties are obtained when used as a conductive material of an anisotropic conductive adhesive film.SOLUTION: An insulation-coated conductive particle 5 includes: a conductive particle 3 having a conductive surface; and an insulating fine particle 1 coating at least a part of the surface of the conductive particle 3. The insulating fine particle 1 includes: a core fine particle including an organic polymer; and a shell layer coating at least a part of the surface of the core fine particle. The shell layer includes a crosslinking polysiloxane formed of a hydrolyzable silane including a tetra-functional silane compound and a tri-functional silane compound and/or a bi-functional silane compound.
Abstract:
PROBLEM TO BE SOLVED: To provide a suspension particle device achieving both retention of a transmissive state and a uniform optical modulation operation.SOLUTION: The suspension particle device includes a first substrate, a second substrate, and a first electrode, a second electrode, a third electrode, and a suspension liquid disposed between the first substrate and the second substrate. The first electrode is formed on the first substrate; and the second electrode and the third electrode are formed on the second substrate. The suspension liquid contains light-controlling particles and a dispersion medium, in which the light-controlling particles are charged. By applying an AC voltage to at least one of the first electrode, the second electrode, and the third electrode, an orientation state of the light-controlling particles is controlled; and by applying a DC voltage to at least one of the first electrode, the second electrode, and the third electrode, the light-controlling particles are dispersed in the suspension liquid or unevenly distributed to be present on the third electrode.
Abstract:
PROBLEM TO BE SOLVED: To provide a conductive particle suitable for a circuit connection material, which provides sufficiently good connection reliability, which allows the achievement of both the sufficient insulation between adjacent electrodes, and the sufficient electrical conduction between electrodes opposed to each other at high levels on the same substrate, and which enables good insulation and good electrical conduction to be kept over a prolonged period of time.SOLUTION: A conductive particle comprises: a core 12 including a material having a melting or softening temperature of T(°C) as a primary component; a conductive layer 14 covering the surface of the core 12, and including a low-melting temperature metal having a melting temperature of T(°C) as a primary component; and an insulator layer 16 covering the surface of the conductive layer 14 and made of a resin composition having a softening temperature of T(°C). The temperatures T, Tand Tmeet the following inequality (1), and Tis 130-250°C: T>T>T(1).
Abstract:
PROBLEM TO BE SOLVED: To provide an optical waveguide which is downsized and in which the diameter of an optical fiber on a light emission side can be reduced by converting the core diameter of the light emission side.SOLUTION: An inventive optical waveguide is provided with a multiplexing core which multiplexes three or more beams made incident from light incident part sides and propagates them to a light emission side. Among the three or more light incident parts, at least one light incident part is at a height different from that of the other two or more light incident parts which are at the same height, and the multiplexing core has a taper shape part of which breadth and thickness decrease from the light incident part toward the light emission part.
Abstract:
PROBLEM TO BE SOLVED: To provide a modifying agent for an adhesive, which enables an adhesive having excellent film formability and developing sufficiently high adhesion strength at low temperature and in a short time to be provided, and has a sufficient heat resistance.SOLUTION: The modifying agent for an adhesive contains a repeating unit represented by formula (1) and a repeating unit represented by formula (2). In the formula (1), R is a residue of a diamine or a diisocyanate, and a plurality of R may be identical or different in the same molecule; and m is an integer of 1 to 30. In the formula (2), R is a residue of a diamine or a diisocyanate, and a plurality of R may be identical or different in the same molecule; and m is an integer of 1 to 30.