| 摘要 |
PURPOSE:To provide the subject optical article treated with an activated gas, with the weight ratio of fluorine to silicon within a specified range, excellent in antistatic nature, thus prevented from dust or dirt adherence thereto. CONSTITUTION:The objective optical article with the weight ratio of fluorine to silicon falling between 0.02 and 10, treated with an activated gas, suitable as an optical lens such as for spectacles or cameras. |
