Patent ID: 6530698
Filing Date: 2003-03-11
Classification: G02B

Abstract:
An optical device comprising:a first optical part having an optical axis and an end for transmitting light, the end being slanting to the optical axis at a slanting angle &agr;; a second optical part facing the first optical part for exchanging light with the first optical part; and a transparent resin having a refractive index akin to the first optical part for covering the end of the first optical part, the second optical part and a space between the first optical part and the second optical part, wherein the first optical part is a ferrule holding an optical fiber having a slanting end of an angle of two degrees to eight degrees, the ferrule is fixed in a V-groove on a silicon bench or a ceramic substrate, the second optical part is a light emitting device of an LD or an LED fixed upon the silicon bench or the ceramic substrate, the transparent resin enclosing the space between the first optical part and the second optical part is one of silicone-group resins or acrylate-group resins, and an opaque resin covers the transparent resin, the first optical part and the second optical part, and the substrate.