| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an optical pickup which has higher quality and can more surely protect an objective lens and an information recording medium. <P>SOLUTION: The optical pickup is provided with the objective lens 16 for converging laser beams and emitting the laser beams to an information recording medium 17, a rotation frame 19 surrounding the rim of the objective lens 16, having a circular outer circumferential edge centering on the optical axis of the objective lens and rotating in conjunction with the objective lens 19, a lens holder 15 having a recessed step part 10 for supporting the rotation frame 19 rotatably and combined with the rotation frame 19 after rotation adjustment, and a projecting part 20 projecting from the rotation frame 19 toward the information recording medium 17. <P>COPYRIGHT: (C)2009,JPO&INPIT |
