Method for manufacturing optical elements according to a prescription
US12180575B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2021 |
| Grant date | Dec 31, 2024 |
| Priority date | — |
| Expiry date | Jan 20, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/14
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A manufacturing facility for manufacturing an optical element according to a prescription includes a first station configured for surfacing and polishing a second face of a lens blank and pre-cleaning the second face of the lens blank including a finishing drying which allows the lens blank to be put on hold, a second station configured for deep cleaning the second face of the lens blank and hard coating the second face of the lens blank, a tunnel oven configured to degas the lens blank, a vacuum box coater configured to apply an antireflection (AR)-coating, and a third station configured to deblock the processed lens blank from the block piece.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.