Patent ID: 7018112

Claim:
A method of assembling an optical system with an optical package in advance, the optical package comprising a body that contains an integrated-circuit chip having an optical sensor on its front face, and the optical system having a ring into which an optical device intended to be placed in front of the optical sensor is screwed, comprising: depositing adhesive on at least one of an internal thread of the ring and an external thread of the optical device; screwing the optical device into the ring as far as an entered position; fixing the ring provided with the optical device to the body of the optical package after screwing of the optical device is completed; bringing the optical device to an adjustment position relative to the optical sensor following fixing of the ring to the optical package, the adjustment position being away from its entered position in an unscrewing direction relative to the ring; and applying a treatment to the adhesive so as to fix the optical device in the ring at the adjustment position reached.