摘要:
Provided is an adhesive composition having both excellent storability and excellent connection reliability. The adhesive composition comprises (a) a polyimide soluble in organic solvents, (b) an epoxy compound, (c) particles of a curing accelerator, and (d) inorganic particles, the amounts of the organic-solvent-soluble polyimide (a) and the curing-accelerator particles (c) being 15-90 parts by weight and 0.1-50 parts by weight, respectively, per 100 parts by weight of the epoxy compound (b), and the content of the inorganic particles (d) being 30-80 wt. % of the total amount of (a) to (d).
摘要:
The present invention is an optical waveguide-forming paste composition including (A) barium sulfate particles with a mean particle diameter of 1 nm or more to 50 nm or less, (B) a compound having a polymerizable group and a carboxyl group, or a phosphoric ester compound having a polymerizable group, and (C) an organic solvent.
摘要:
Problems: an object of the present invention is to provide an optical waveguide-forming paste composition that allows short-time curing and provides excellent developability.Means for Solving: The present invention is directed to an optical waveguide-forming paste composition including (A) barium sulfate particles with a mean particle diameter of 1 nm or more to 50 nm or less, (B) a compound having a polymerizable group and a carboxyl group, or a phosphoric ester compound having a polymerizable group, and (C) an organic solvent.
摘要:
This invention is a resin composition for optical wiring, comprising an inorganic filler with an average particle size of 1 nm to 100 nm and a resin, having a ratio nf/nr (where nf is the refractive index of the inorganic filler and nr is the refractive index of the resin) of 0.8 to 1.2, a thermal expansion coefficient of −1×10−5 /° C. to 4×10−5/° C., and a true dependency value of its refractive index on the temperature of −1×10−4/° C. to 1×10−4/° C. in a temperature range from −20° C. to 90° C., and substantially incapable of absorbing light in a wavelength range from 0.6 to 0.9 μm or from 1.2 to 1.6 μm. This invention also provides an optoelectronic circuit board.
摘要:
This invention is a resin composition for optical wiring, comprising an inorganic filler with an average particle size of 1 nm to 100 nm and a resin, having a ratio nf/nr (where nf is the refractive index of the inorganic filler and nr is the refractive index of the resin) of 0.8 to 1.2, a thermal expansion coefficient of −1×10−5/° C. to 4×105/° C., and a true dependency value of its refractive index on the temperature of −1×10−4/° C. to 1×10−4/° C. in a temperature range from −20° C. to 90° C., and substantially incapable of absorbing light in a wavelength range from 0.6 to 0.9 μm or from 1.2 to 1.6 μm. This invention also provides an optoelectronic circuit board.