Patent ID: 8711666

Claim:
An adhesive structure of an optical device, comprising: a case which has an adhesive joint to adhere the optical device; an optical device which is held by a holder and adjusted in accordance with relative positioning with the case so that an adhesive joint is opposed to the adhesive joint of the case to which an adhesive agent is applied and optically optimum sensitivity is attained for light passing through an optical path connected to the case; and an adhesive agent which is provided between the adhesive joint of the case and the adhesive joint of the optical device held by the holder, and which is formed by pressing into a predetermined thickness and hardened by ultraviolet rays, and wherein a plurality of pairs of banks are formed in positions between which an adhesive agent application area of the adhesive joint of the case is formed, and a height of a bank on a side of an optical path is higher than a height of other bank, in each pair of banks, and the adhesive agent which is pressured in accordance with a relative positioning operation of the case and the optical device held by the holder is hardened in a state where it overflows over the other bank and is spread between the both adhesive joints.