VAPOR DEPOSITION DEVICE FOR OPTICAL LENSES

摘要

A vapor deposition apparatus for an optical lens (3) includes a lens holding body (10) including a plurality of lens holes (24) formed to be slightly larger than the optical lens (3). This apparatus also includes a holding means (26) for pressing the outer peripheral surface of the optical lens in each lens hole of the lens holding body. This apparatus moreover includes lens receptacles (27a, 27b) which are provided in portions opposed to the holding means on the inner peripheral surface defining each lens hole, and receive the outer peripheral surface of the optical lens. The number of components required to hold the optical lens (3) can be minimized. A film can be formed on the entire optical surface of the optical lens (3) with little possibility that this optical surface will be scratched. A vapor deposition substance adhering and depositing on the holding means (26) is less likely to peel off and adhere onto the optical surface of the optical lens (3). Fine particles generated upon evaporation of the vapor deposition substance are less likely to enter the portion above the optical lens (3) upon passing through the gap between each lens hole (24) and the optical lens (3), so a failure in vapor deposition hardly occurs.