| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical head which can adequately prevent a light- reflection preventive film from being damaged and keep the irradiation efficiency of light to an optical recording medium excellent for a long period. <P>SOLUTION: The optical head H having objectives 5a and 5b for converging a light beam, a surface 53a which faces an optical recording medium D across an air layer 70 and projects the light beam converged by the objectives 5a and 5b on the optical recording medium D, and the light-reflecting preventive film provided on the surface 53a, is characterized by that a recessed part 53b is formed on the surface 53a and a light-reflection preventive film 6 is provided in the recessed part 53b. <P>COPYRIGHT: (C)2003,JPO |
