| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an objective lens or the like capable of easily supplying an adhesive to a coil stored in a house-shaped holder. <P>SOLUTION: An OBL holder 21 of this invention includes a principal plane part 56 provided with a fixing part to which an objective lens 31 is fixed, and a first side wall part 52 and a second side wall part 53 provided with bobbins 57 to 60 for winding tracking coils 36 to 39 for driving the OBL holder 21 itself by magnetic action. In the invention, a continuous hole 63 provided in the bobbin 58 penetrates the first side wall part 53 to communicate an inner side and an outer side, and a focus coil 29 is arranged at this part. Thus, an adhesive can be supplied to the focus coil 29 via the continuous hole 63. <P>COPYRIGHT: (C)2013,JPO&INPIT |
